The latest articles on DEV Community by Labby (@labby). https://dev.to/labby https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F1606694%2Fd9443cf7-7b8f-49bc-ab8c-3d83a7fe7a4e.jpg https://dev.to/labby en Labby Sat, 25 Apr 2026 17:12:43 +0000 https://dev.to/labex/master-mongodb-4-hands-on-labs-to-insert-data-query-and-create-indexes-bf5 https://dev.to/labex/master-mongodb-4-hands-on-labs-to-insert-data-query-and-create-indexes-bf5 <p>Ready to level up your database skills? MongoDB is the go-to choice for modern, scalable applications, and you don't need to watch endless videos to learn it. We have curated four practical, hands-on labs that get you straight into the terminal, helping you build real-world expertise in NoSQL data handling.</p> <h2> Create MongoDB Indexes </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmongodb-create-mongodb-indexes-422078" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmongodb-create-mongodb-indexes-422078" alt="Create MongoDB Indexes" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>Learn essential MongoDB indexing techniques to optimize database performance, improve query speed, and understand how to create, manage, and utilize different types of indexes.</p> <p><a href="https://labex.io/labs/mongodb-create-mongodb-indexes-422078" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/mongodb-create-mongodb-indexes-422078" rel="noopener noreferrer">Tutorial →</a></p> <h2> Insert Data in MongoDB </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmongodb-insert-data-in-mongodb-420696" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmongodb-insert-data-in-mongodb-420696" alt="Insert Data in MongoDB" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 35 minutes</p> <p>Learn essential MongoDB data insertion techniques, from single document inserts to bulk operations, with practical examples and error handling strategies.</p> <p><a href="https://labex.io/labs/mongodb-insert-data-in-mongodb-420696" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/mongodb-insert-data-in-mongodb-420696" rel="noopener noreferrer">Tutorial →</a></p> <h2> Write Basic MongoDB Queries </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmongodb-write-basic-mongodb-queries-420824" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmongodb-write-basic-mongodb-queries-420824" alt="Write Basic MongoDB Queries" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>Learn essential MongoDB query techniques to retrieve, filter, and manipulate data efficiently using MongoDB's powerful querying capabilities for beginners.</p> <p><a href="https://labex.io/labs/mongodb-write-basic-mongodb-queries-420824" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/mongodb-write-basic-mongodb-queries-420824" rel="noopener noreferrer">Tutorial →</a></p> <h2> Your First MongoDB Lab </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmongodb-your-first-mongodb-lab-420660" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmongodb-your-first-mongodb-lab-420660" alt="Your First MongoDB Lab" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 30 minutes</p> <p>Learn the basics of MongoDB by creating a database, inserting documents, and performing simple data operations in this beginner-friendly hands-on lab.</p> <p><a href="https://labex.io/labs/mongodb-your-first-mongodb-lab-420660" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/mongodb-your-first-mongodb-lab-420660" rel="noopener noreferrer">Tutorial →</a></p> <p>You now have a clear roadmap to becoming proficient with MongoDB. These labs are designed to be practical, fast, and effective. Stop reading about databases and start building with them today—dive into these exercises and see your skills transform in just a few hours!</p> mongodb nosql database tutorial Labby Fri, 24 Apr 2026 17:17:50 +0000 https://dev.to/labex/5-sqlite-labs-from-pragma-tuning-to-full-text-indexing-mastery-4563 https://dev.to/labex/5-sqlite-labs-from-pragma-tuning-to-full-text-indexing-mastery-4563 <p>Ready to level up your database skills? SQLite is the world's most widely deployed database engine, and for good reason—it's fast, reliable, and incredibly easy to use. Whether you are building a mobile app or managing local data, our curated learning path gives you the hands-on practice you need to go from beginner to pro. Let's dive into five practical labs that will transform how you handle data.</p> <h2> SQLite PRAGMA Tuning </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fsqlite-sqlite-pragma-tuning-552554" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fsqlite-sqlite-pragma-tuning-552554" alt="SQLite PRAGMA Tuning" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, we will explore SQLite PRAGMA tuning to optimize database performance and reliability. The lab focuses on configuring key aspects of SQLite's behavior through PRAGMA statements. We will configure journal mode, enable foreign key checks, perform integrity checks, and adjust cache size.</p> <p><a href="https://labex.io/labs/sqlite-sqlite-pragma-tuning-552554" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/sqlite-sqlite-pragma-tuning-552554" rel="noopener noreferrer">Tutorial →</a></p> <h2> SQLite Full-Text Indexing </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fsqlite-sqlite-full-text-indexing-552551" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fsqlite-sqlite-full-text-indexing-552551" alt="SQLite Full-Text Indexing" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, you will learn how to leverage SQLite's FTS5 extension for efficient full-text searching. The lab guides you through creating FTS5 tables, inserting searchable data, executing full-text searches, and optimizing search queries using <code>MATCH</code> clauses.</p> <p><a href="https://labex.io/labs/sqlite-sqlite-full-text-indexing-552551" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/sqlite-sqlite-full-text-indexing-552551" rel="noopener noreferrer">Tutorial →</a></p> <h2> SQLite Database Maintenance </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fsqlite-sqlite-database-maintenance-552549" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fsqlite-sqlite-database-maintenance-552549" alt="SQLite Database Maintenance" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, we will explore SQLite database maintenance techniques to optimize performance and reclaim wasted space. The lab focuses on using the <code>VACUUM</code> command, rebuilding indexes, analyzing table statistics, and verifying the impact of these optimizations.</p> <p><a href="https://labex.io/labs/sqlite-sqlite-database-maintenance-552549" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/sqlite-sqlite-database-maintenance-552549" rel="noopener noreferrer">Tutorial →</a></p> <h2> Setting Up SQLite in Linux </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fsqlite-setting-up-sqlite-in-linux-552335" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fsqlite-setting-up-sqlite-in-linux-552335" alt="Setting Up SQLite in Linux" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, you will learn how to set up SQLite on a Linux system using the LabEx VM environment. This hands-on tutorial covers installing SQLite, verifying the installation, accessing the SQLite CLI, and running basic commands like .help and .exit. Perfect for beginners, it provides practical experience with a lightweight, file-based RDBMS in the ~/project directory.</p> <p><a href="https://labex.io/labs/sqlite-setting-up-sqlite-in-linux-552335" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/sqlite-setting-up-sqlite-in-linux-552335" rel="noopener noreferrer">Tutorial →</a></p> <h2> SQLite Table Joining </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fsqlite-sqlite-table-joining-552556" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fsqlite-sqlite-table-joining-552556" alt="SQLite Table Joining" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, we will explore SQLite table joining techniques, focusing on combining data from multiple related tables. We'll cover INNER JOIN, LEFT JOIN, joining multiple tables, and filtering joined results. Learn to retrieve and combine data efficiently using SQLite.</p> <p><a href="https://labex.io/labs/sqlite-sqlite-table-joining-552556" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/sqlite-sqlite-table-joining-552556" rel="noopener noreferrer">Tutorial →</a></p> <p>Mastering SQLite is a game-changer for any developer working with local storage. These labs are designed to be practical, interactive, and straight to the point. Don't just read about databases—get your hands dirty in our SQL playground today and start building better, faster applications!</p> sqlite database sql backend Labby Thu, 23 Apr 2026 17:28:41 +0000 https://dev.to/labex/comptia-security-labs-mastering-nmap-nikto-and-vulnerability-scanning-techniques-2g53 https://dev.to/labex/comptia-security-labs-mastering-nmap-nikto-and-vulnerability-scanning-techniques-2g53 <p>Stepping into the world of cybersecurity can feel overwhelming, but the secret to success isn't just theory—it's hands-on practice. Our CompTIA learning path is designed to bridge the gap between textbook knowledge and real-world IT defense. In this guide, we walk you through five foundational labs that transform you from a curious beginner into a capable security analyst, mastering the tools that professionals use every single day.</p> <h2> Web Server Scanning with Nikto </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Flinux-web-server-scanning-with-nikto-656147" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Flinux-web-server-scanning-with-nikto-656147" alt="Web Server Scanning with Nikto" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, you will learn how to perform rapid, specialized web server audits using Nikto. You will scan a target HTTP server to quickly identify dangerous misconfigurations, default administrative files, and outdated server components.</p> <p><a href="https://labex.io/labs/linux-web-server-scanning-with-nikto-656147" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/linux-web-server-scanning-with-nikto-656147" rel="noopener noreferrer">Tutorial →</a></p> <h2> Vulnerability Scanning with NSE </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Flinux-vulnerability-scanning-with-nse-656143" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Flinux-vulnerability-scanning-with-nse-656143" alt="Vulnerability Scanning with NSE" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, you will use Nmap as an active vulnerability scanner. By leveraging the specific 'vuln' and 'exploit' script categories within the NSE, you will actively probe target services to identify known CVEs and dangerous server misconfigurations.</p> <p><a href="https://labex.io/labs/linux-vulnerability-scanning-with-nse-656143" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/linux-vulnerability-scanning-with-nse-656143" rel="noopener noreferrer">Tutorial →</a></p> <h2> Searching Exploit-DB via CLI </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Flinux-searching-exploit-db-via-cli-656146" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Flinux-searching-exploit-db-via-cli-656146" alt="Searching Exploit-DB via CLI" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, you will learn how to use searchsploit, the command-line interface for the Exploit Database, to map discovered software versions to publicly known exploits and analyze exploit source code to understand attack vectors.</p> <p><a href="https://labex.io/labs/linux-searching-exploit-db-via-cli-656146" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/linux-searching-exploit-db-via-cli-656146" rel="noopener noreferrer">Tutorial →</a></p> <h2> Nmap Output Formats </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Flinux-nmap-output-formats-656136" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Flinux-nmap-output-formats-656136" alt="Nmap Output Formats" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, you will learn how to properly document and parse penetration testing data. You will configure Nmap to save its scan results into Normal, Grepable, and XML formats, and use Linux text-processing tools to quickly extract lists of open ports for downstream exploitation tools.</p> <p><a href="https://labex.io/labs/linux-nmap-output-formats-656136" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/linux-nmap-output-formats-656136" rel="noopener noreferrer">Tutorial →</a></p> <h2> Optimizing Scan Performance </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Flinux-optimizing-scan-performance-656137" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Flinux-optimizing-scan-performance-656137" alt="Optimizing Scan Performance" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 15 minutes</p> <p>In this lab, you will learn how to tune Nmap to scan large enterprise networks efficiently. You will practice optimizing scan speeds using timing templates (-T), controlling parallel host execution, and targeting highly specific port lists to reduce scan times from hours to minutes.</p> <p><a href="https://labex.io/labs/linux-optimizing-scan-performance-656137" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/linux-optimizing-scan-performance-656137" rel="noopener noreferrer">Tutorial →</a></p> <p>These five labs are more than just exercises; they are the building blocks of a successful career in IT security. By mastering these tools, you are not just learning to scan networks—you are learning to think like a defender. Ready to put your skills to the test? Dive into our CompTIA learning path today and start building your professional toolkit.</p> comptia cybersecurity nmap penetration Labby Wed, 22 Apr 2026 17:19:02 +0000 https://dev.to/labex/5-matplotlib-hands-on-labs-from-bar-charts-to-custom-line-plots-231 https://dev.to/labex/5-matplotlib-hands-on-labs-from-bar-charts-to-custom-line-plots-231 <p>Ready to turn raw data into compelling visual stories? Matplotlib is the gold standard for Python plotting, and we have built the perfect roadmap to get you started. Forget boring video tutorials; our interactive labs let you write real code in a live environment. Whether you are a data science beginner or just looking to sharpen your plotting skills, these five hands-on exercises will take you from zero to hero in no time.</p> <h2> Matplotlib Bar Charts </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-bar-charts-596563" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-bar-charts-596563" alt="Matplotlib Bar Charts" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn how to create and customize vertical and horizontal bar charts using Matplotlib, a powerful plotting library in Python.</p> <p><a href="https://labex.io/labs/matplotlib-matplotlib-bar-charts-596563" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/matplotlib-matplotlib-bar-charts-596563" rel="noopener noreferrer">Tutorial →</a></p> <h2> Matplotlib Scatter Plots </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-scatter-plots-596569" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-scatter-plots-596569" alt="Matplotlib Scatter Plots" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn how to create and customize scatter plots using Matplotlib, a powerful plotting library in Python. You will practice generating data, plotting points, and modifying marker size and color.</p> <p><a href="https://labex.io/labs/matplotlib-matplotlib-scatter-plots-596569" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/matplotlib-matplotlib-scatter-plots-596569" rel="noopener noreferrer">Tutorial →</a></p> <h2> Matplotlib Histograms </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-histograms-596566" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-histograms-596566" alt="Matplotlib Histograms" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn how to create and customize histograms using Matplotlib, a powerful plotting library in Python.</p> <p><a href="https://labex.io/labs/matplotlib-matplotlib-histograms-596566" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/matplotlib-matplotlib-histograms-596566" rel="noopener noreferrer">Tutorial →</a></p> <h2> Matplotlib Customizing Line Plots </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-customizing-line-plots-596565" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-customizing-line-plots-596565" alt="Matplotlib Customizing Line Plots" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn how to customize various aspects of line plots in Matplotlib, including color, markers, line style, titles, and axis limits to create more informative and visually appealing graphs.</p> <p><a href="https://labex.io/labs/matplotlib-matplotlib-customizing-line-plots-596565" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/matplotlib-matplotlib-customizing-line-plots-596565" rel="noopener noreferrer">Tutorial →</a></p> <h2> Matplotlib Installation and Import </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-installation-and-import-596567" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-installation-and-import-596567" alt="Matplotlib Installation and Import" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn the fundamental steps to get started with Matplotlib, including installation, importing the library, and creating your first empty plot.</p> <p><a href="https://labex.io/labs/matplotlib-matplotlib-installation-and-import-596567" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/matplotlib-matplotlib-installation-and-import-596567" rel="noopener noreferrer">Tutorial →</a></p> <p>Data visualization is a superpower in the world of data science, and Matplotlib is the tool that makes it happen. By completing these five labs, you will gain the practical confidence to handle real-world data projects. Stop reading about code and start writing it—jump into these labs today and start building your portfolio!</p> python matplotlib visualization datascience Labby Tue, 21 Apr 2026 17:20:02 +0000 https://dev.to/labex/4-essential-rhel-skills-ssh-security-password-aging-autofs-and-persistent-storage-3e8k https://dev.to/labex/4-essential-rhel-skills-ssh-security-password-aging-autofs-and-persistent-storage-3e8k <p>Ready to level up your Linux game? Red Hat Enterprise Linux (RHEL) is the gold standard for enterprise environments, and mastering it is a career-defining move. We have curated four hands-on labs that take you from basic user management to advanced container storage. No fluff, no long videos—just pure, practical terminal time to sharpen your skills.</p> <h2> Change Passwords and Adjust Password Aging for Local User Accounts </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Frhel-change-passwords-and-adjust-password-aging-for-local-user-accounts-588224" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Frhel-change-passwords-and-adjust-password-aging-for-local-user-accounts-588224" alt="Change Passwords and Adjust Password Aging for Local User Accounts" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 10 minutes</p> <p>In this challenge, you will learn how to change passwords and adjust password aging for local user accounts on a Linux system.</p> <p><a href="https://labex.io/labs/rhel-change-passwords-and-adjust-password-aging-for-local-user-accounts-588224" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/rhel-change-passwords-and-adjust-password-aging-for-local-user-accounts-588224" rel="noopener noreferrer">Tutorial →</a></p> <h2> Configure Key-Based Authentication for SSH </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Frhel-configure-key-based-authentication-for-ssh-588231" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Frhel-configure-key-based-authentication-for-ssh-588231" alt="Configure Key-Based Authentication for SSH" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 10 minutes</p> <p>In this challenge, you will learn how to configure key-based authentication for SSH, a more secure alternative to password-based authentication.</p> <p><a href="https://labex.io/labs/rhel-configure-key-based-authentication-for-ssh-588231" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/rhel-configure-key-based-authentication-for-ssh-588231" rel="noopener noreferrer">Tutorial →</a></p> <h2> Configure Autofs </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Frhel-configure-autofs-588226" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Frhel-configure-autofs-588226" alt="Configure Autofs" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 5 minutes</p> <p>In this challenge, you will configure the autofs service to automatically mount a remote NFS share on demand. This is a common task for system administrators to provide seamless access to network resources.</p> <p><a href="https://labex.io/labs/rhel-configure-autofs-588226" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/rhel-configure-autofs-588226" rel="noopener noreferrer">Tutorial →</a></p> <h2> Attach Persistent Storage to a Container </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Frhel-attach-persistent-storage-to-a-container-588221" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Frhel-attach-persistent-storage-to-a-container-588221" alt="Attach Persistent Storage to a Container" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 5 minutes</p> <p>In this challenge, you will learn how to attach persistent storage to a container, allowing data to persist beyond the container's lifetime.</p> <p><a href="https://labex.io/labs/rhel-attach-persistent-storage-to-a-container-588221" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/rhel-attach-persistent-storage-to-a-container-588221" rel="noopener noreferrer">Tutorial →</a></p> <p>These four labs are just the beginning of your RHEL mastery. By getting your hands dirty in a real terminal environment, you are building the muscle memory needed for real-world IT challenges. Don't just read about Linux—start building, breaking, and fixing it today. Dive into these labs and take control of your enterprise systems!</p> rhel linux devops security Labby Mon, 20 Apr 2026 17:21:09 +0000 https://dev.to/labex/master-matplotlib-4-hands-on-labs-for-subplots-line-plots-and-bar-charts-2o0j https://dev.to/labex/master-matplotlib-4-hands-on-labs-for-subplots-line-plots-and-bar-charts-2o0j <p>Data is just a collection of numbers until you give it a voice. Whether you are a budding data scientist or an analyst looking to sharpen your reporting skills, Matplotlib is your most reliable tool for turning raw data into compelling visual narratives. This learning path is designed to take you from the very first import statement to crafting complex, multi-panel dashboards, all through hands-on practice in an interactive environment.</p> <h2> Matplotlib Subplots Creation </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-subplots-creation-596570" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-subplots-creation-596570" alt="Matplotlib Subplots Creation" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn how to create and customize multiple subplots in a single figure using Matplotlib, a powerful plotting library in Python. You will practice creating subplots, plotting data on them, and adjusting layouts.</p> <p><a href="https://labex.io/labs/matplotlib-matplotlib-subplots-creation-596570" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/matplotlib-matplotlib-subplots-creation-596570" rel="noopener noreferrer">Tutorial →</a></p> <h2> Matplotlib Customizing Line Plots </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-customizing-line-plots-596565" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-customizing-line-plots-596565" alt="Matplotlib Customizing Line Plots" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn how to customize various aspects of line plots in Matplotlib, including color, markers, line style, titles, and axis limits to create more informative and visually appealing graphs.</p> <p><a href="https://labex.io/labs/matplotlib-matplotlib-customizing-line-plots-596565" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/matplotlib-matplotlib-customizing-line-plots-596565" rel="noopener noreferrer">Tutorial →</a></p> <h2> Matplotlib Installation and Import </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-installation-and-import-596567" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-installation-and-import-596567" alt="Matplotlib Installation and Import" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn the fundamental steps to get started with Matplotlib, including installation, importing the library, and creating your first empty plot.</p> <p><a href="https://labex.io/labs/matplotlib-matplotlib-installation-and-import-596567" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/matplotlib-matplotlib-installation-and-import-596567" rel="noopener noreferrer">Tutorial →</a></p> <h2> Matplotlib Bar Charts </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-bar-charts-596563" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fmatplotlib-matplotlib-bar-charts-596563" alt="Matplotlib Bar Charts" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn how to create and customize vertical and horizontal bar charts using Matplotlib, a powerful plotting library in Python.</p> <p><a href="https://labex.io/labs/matplotlib-matplotlib-bar-charts-596563" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/matplotlib-matplotlib-bar-charts-596563" rel="noopener noreferrer">Tutorial →</a></p> <p>Visualization is a skill honed through repetition and experimentation. By completing these four labs, you are not just learning syntax; you are building the muscle memory required to communicate complex data insights clearly. Stop watching videos and start coding—dive into these interactive exercises today and watch your data analysis capabilities transform.</p> python matplotlib visualization datascience Labby Sun, 19 Apr 2026 17:10:22 +0000 https://dev.to/labex/5-practical-jenkins-labs-from-plugin-management-to-git-cicd-automation-ff6 https://dev.to/labex/5-practical-jenkins-labs-from-plugin-management-to-git-cicd-automation-ff6 <p>Continuous Integration and Continuous Delivery (CI/CD) are the backbones of modern DevOps, and Jenkins remains the industry standard for automating these workflows. If you are looking to move beyond theory and start building real-world pipelines, this curated learning path offers a practical, hands-on approach to mastering Jenkins without the fluff of video tutorials.</p> <h2> Managing Plugins in Jenkins </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fjenkins-managing-plugins-in-jenkins-595307" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fjenkins-managing-plugins-in-jenkins-595307" alt="Managing Plugins in Jenkins" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, you will learn the complete lifecycle of managing plugins in Jenkins, including how to browse, install, update, configure, and uninstall plugins to extend Jenkins functionality.</p> <p><a href="https://labex.io/labs/jenkins-managing-plugins-in-jenkins-595307" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/jenkins-managing-plugins-in-jenkins-595307" rel="noopener noreferrer">Tutorial →</a></p> <h2> Exploring the Jenkins Interface </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fjenkins-exploring-the-jenkins-interface-595303" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fjenkins-exploring-the-jenkins-interface-595303" alt="Exploring the Jenkins Interface" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, you will learn the basics of the Jenkins user interface by navigating the dashboard, creating your first Freestyle project, running a build, and viewing the results.</p> <p><a href="https://labex.io/labs/jenkins-exploring-the-jenkins-interface-595303" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/jenkins-exploring-the-jenkins-interface-595303" rel="noopener noreferrer">Tutorial →</a></p> <h2> Parameterizing Builds and Using Scripts </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fjenkins-parameterizing-builds-and-using-scripts-595308" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fjenkins-parameterizing-builds-and-using-scripts-595308" alt="Parameterizing Builds and Using Scripts" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, you will learn how to make your Jenkins jobs more flexible and powerful by using parameters, executing shell scripts, and handling build failures conditionally.</p> <p><a href="https://labex.io/labs/jenkins-parameterizing-builds-and-using-scripts-595308" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/jenkins-parameterizing-builds-and-using-scripts-595308" rel="noopener noreferrer">Tutorial →</a></p> <h2> Configuring Basic Freestyle Projects </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fjenkins-configuring-basic-freestyle-projects-595302" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fjenkins-configuring-basic-freestyle-projects-595302" alt="Configuring Basic Freestyle Projects" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn how to configure a basic Jenkins Freestyle project, including adding build steps, post-build actions, build triggers, archiving artifacts, and cleaning up the workspace.</p> <p><a href="https://labex.io/labs/jenkins-configuring-basic-freestyle-projects-595302" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/jenkins-configuring-basic-freestyle-projects-595302" rel="noopener noreferrer">Tutorial →</a></p> <h2> Integrating Jenkins with Source Control (Git) </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fjenkins-integrating-jenkins-with-source-control-git-595304" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fjenkins-integrating-jenkins-with-source-control-git-595304" alt="Integrating Jenkins with Source Control (Git)" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, you will learn how to integrate Jenkins with a Git source control repository. You'll install the Git plugin, configure a project to pull code from Git, and set up automatic builds using SCM polling.</p> <p><a href="https://labex.io/labs/jenkins-integrating-jenkins-with-source-control-git-595304" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/jenkins-integrating-jenkins-with-source-control-git-595304" rel="noopener noreferrer">Tutorial →</a></p> <p>Mastering Jenkins is a journey of continuous practice. By completing these five labs, you will transition from a beginner to a confident practitioner capable of setting up robust, automated pipelines. Dive into these exercises today to build the skills that top DevOps teams demand.</p> jenkins devops automation tutorial Labby Sat, 18 Apr 2026 17:10:55 +0000 https://dev.to/labex/kali-linux-labs-for-beginners-master-environment-setup-file-management-and-networking-1m9f https://dev.to/labex/kali-linux-labs-for-beginners-master-environment-setup-file-management-and-networking-1m9f <p>Ready to dive into the world of ethical hacking? Kali Linux is the industry standard for security professionals, but getting started can feel overwhelming. We have designed a hands-on learning path that skips the boring theory and gets you straight into the terminal. Let’s explore three foundational labs that will transform you from a complete beginner into a confident Kali user.</p> <h2> Setting Up Your Kali Linux Environment </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fkali-setting-up-your-kali-linux-environment-552195" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fkali-setting-up-your-kali-linux-environment-552195" alt="Setting Up Your Kali Linux Environment" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 28 minutes</p> <p>In this lab, you'll learn to set up a Kali Linux environment using Docker in the LabEx VM. You'll launch the image, verify the container, explore the terminal, review how Kali package management works in this environment, and inspect version and system information.</p> <p><a href="https://labex.io/labs/kali-setting-up-your-kali-linux-environment-552195" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/kali-setting-up-your-kali-linux-environment-552195" rel="noopener noreferrer">Tutorial →</a></p> <h2> Navigating and Managing Files in Kali </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fkali-navigating-and-managing-files-in-kali-552194" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fkali-navigating-and-managing-files-in-kali-552194" alt="Navigating and Managing Files in Kali" width="800" height="400"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 30 minutes</p> <p>In this lab, explore the essentials of navigating and managing files in Kali Linux, a key OS for cybersecurity. Learn fundamental commands like pwd, ls, cd, touch, nano, cp, rm, and cat through hands-on exercises. Build a practical foundation for file and directory operations in a Linux environment with step-by-step guidance.</p> <p><a href="https://labex.io/labs/kali-navigating-and-managing-files-in-kali-552194" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/kali-navigating-and-managing-files-in-kali-552194" rel="noopener noreferrer">Tutorial →</a></p> <h2> Basic Networking Tools in Kali </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fkali-basic-networking-tools-in-kali-552191" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fkali-basic-networking-tools-in-kali-552191" alt="Basic Networking Tools in Kali" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, explore fundamental networking tools in Kali Linux to manage network configurations effectively. Designed for beginners and intermediates, learn to use ip a, ping, netdiscover, and nmap for network diagnostics, connectivity testing, and port scanning within the LabEx VM environment.</p> <p><a href="https://labex.io/labs/kali-basic-networking-tools-in-kali-552191" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/kali-basic-networking-tools-in-kali-552191" rel="noopener noreferrer">Tutorial →</a></p> <p>You don't need to be a Linux wizard to start your cybersecurity career. These three labs provide the practical, real-world experience you need to build a solid foundation. Stop watching videos and start typing commands. Jump into the LabEx environment today and take your first real step toward becoming a security professional!</p> kali cybersecurity linux networking Labby Fri, 17 Apr 2026 17:15:39 +0000 https://dev.to/labex/mastering-red-hat-enterprise-linux-process-scheduling-container-storage-and-user-security-5g83 https://dev.to/labex/mastering-red-hat-enterprise-linux-process-scheduling-container-storage-and-user-security-5g83 <p>Red Hat Enterprise Linux (RHEL) stands as the backbone of modern enterprise infrastructure. Whether you are managing high-performance compute nodes or deploying scalable containerized applications, mastering the nuances of RHEL is non-negotiable for IT professionals. This curated selection of hands-on labs is designed to move you beyond theory, providing the practical muscle memory required to handle real-world system administration tasks with confidence.</p> <h2> Adjust Process Scheduling </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Frhel-adjust-process-scheduling-588219" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Frhel-adjust-process-scheduling-588219" alt="Adjust Process Scheduling" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 10 minutes</p> <p>In this challenge, you will learn how to adjust process scheduling on a Linux system.</p> <p><a href="https://labex.io/labs/rhel-adjust-process-scheduling-588219" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/rhel-adjust-process-scheduling-588219" rel="noopener noreferrer">Tutorial →</a></p> <h2> Attach Persistent Storage to a Container </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Frhel-attach-persistent-storage-to-a-container-588221" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Frhel-attach-persistent-storage-to-a-container-588221" alt="Attach Persistent Storage to a Container" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 5 minutes</p> <p>In this challenge, you will learn how to attach persistent storage to a container, allowing data to persist beyond the container's lifetime.</p> <p><a href="https://labex.io/labs/rhel-attach-persistent-storage-to-a-container-588221" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/rhel-attach-persistent-storage-to-a-container-588221" rel="noopener noreferrer">Tutorial →</a></p> <h2> Change Passwords and Adjust Password Aging for Local User Accounts </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Frhel-change-passwords-and-adjust-password-aging-for-local-user-accounts-588224" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Frhel-change-passwords-and-adjust-password-aging-for-local-user-accounts-588224" alt="Change Passwords and Adjust Password Aging for Local User Accounts" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 10 minutes</p> <p>In this challenge, you will learn how to change passwords and adjust password aging for local user accounts on a Linux system.</p> <p><a href="https://labex.io/labs/rhel-change-passwords-and-adjust-password-aging-for-local-user-accounts-588224" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/rhel-change-passwords-and-adjust-password-aging-for-local-user-accounts-588224" rel="noopener noreferrer">Tutorial →</a></p> <p>These labs represent the intersection of performance, reliability, and security—the three pillars of RHEL administration. By completing these exercises, you are not just checking boxes; you are building the technical foundation necessary to manage complex, production-grade Linux systems. Dive into the LabEx environment today and transform your theoretical knowledge into actionable expertise.</p> rhel linux devops security Labby Thu, 16 Apr 2026 17:27:07 +0000 https://dev.to/labex/master-ansible-automation-hands-on-labs-for-shell-script-and-apt-modules-2m3e https://dev.to/labex/master-ansible-automation-hands-on-labs-for-shell-script-and-apt-modules-2m3e <p>If you are tired of manually logging into servers to run repetitive tasks, it is time to embrace infrastructure as code. Our structured Ansible learning path is designed to take you from zero to automation hero through hands-on, browser-based practice. Forget long-winded videos; these interactive labs get you straight into the terminal to build real-world skills.</p> <h2> Ansible Shell Module </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fansible-ansible-shell-module-289409" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fansible-ansible-shell-module-289409" alt="Ansible Shell Module" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, you will learn how to use the Ansible Shell module to execute shell commands on remote hosts. The Shell module is useful when you need to run shell commands that are not covered by existing Ansible modules or when you require more flexibility and control over the execution.</p> <p><a href="https://labex.io/labs/ansible-ansible-shell-module-289409" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/ansible-ansible-shell-module-289409" rel="noopener noreferrer">Tutorial →</a></p> <h2> Ansible Script Module </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fansible-ansible-script-module-289411" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fansible-ansible-script-module-289411" alt="Ansible Script Module" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 15 minutes</p> <p>In this lab, you will learn how to use the Ansible Script module to execute custom scripts on remote hosts. The Script module allows you to run scripts written in any programming language on the target hosts, providing flexibility and customization options in your automation tasks.</p> <p><a href="https://labex.io/labs/ansible-ansible-script-module-289411" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/ansible-ansible-script-module-289411" rel="noopener noreferrer">Tutorial →</a></p> <h2> Ansible Apt Module </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fansible-ansible-apt-module-289651" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fansible-ansible-apt-module-289651" alt="Ansible Apt Module" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 15 minutes</p> <p>In this lab, you will explore the Ansible Apt module, which allows you to manage packages on Debian-based systems using the Apt package manager. The Apt module provides a wide range of options to install, update, and remove packages, as well as manage repositories.</p> <p><a href="https://labex.io/labs/ansible-ansible-apt-module-289651" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/ansible-ansible-apt-module-289651" rel="noopener noreferrer">Tutorial →</a></p> <p>Automation is not just about saving time; it is about building reliable, repeatable systems. By completing these three labs, you will gain the foundational confidence needed to manage complex server fleets. Ready to stop typing the same commands over and over? Dive into our interactive playground today and start building your automation toolkit.</p> ansible automation devops linux Labby Wed, 15 Apr 2026 17:21:57 +0000 https://dev.to/labex/master-linux-basics-vim-nano-file-management-and-terminal-navigation-4a8a https://dev.to/labex/master-linux-basics-vim-nano-file-management-and-terminal-navigation-4a8a <p>Stepping into the world of Linux can feel overwhelming, but the secret to proficiency lies in mastering the fundamentals. Our structured Linux learning path is designed to take you from a complete novice to a confident system user through hands-on, interactive exercises. Forget passive video tutorials; it is time to get your hands dirty in a real terminal environment.</p> <h2> Intro to Vim </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fintro-to-vim-636003" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fintro-to-vim-636003" alt="Intro to Vim" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn the basics of the Vim text editor. You will practice opening a file, switching modes, inserting text, deleting lines, and saving your changes.</p> <p><a href="https://labex.io/labs/intro-to-vim-636003" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/intro-to-vim-636003" rel="noopener noreferrer">Tutorial →</a></p> <h2> Editing Files with Nano </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fediting-files-with-nano-636002" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fediting-files-with-nano-636002" alt="Editing Files with Nano" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, you will learn how to use the nano text editor in Linux. You will practice opening files, editing text, saving changes, and exiting the editor comfortably.</p> <p><a href="https://labex.io/labs/editing-files-with-nano-636002" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/editing-files-with-nano-636002" rel="noopener noreferrer">Tutorial →</a></p> <h2> Determining File Types </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fdetermining-file-types-636001" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fdetermining-file-types-636001" alt="Determining File Types" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 15 minutes</p> <p>In this lab, you will learn how to identify file types in Linux using the file command. You will practice distinguishing between text files, binary executables, and image files, regardless of their file extensions.</p> <p><a href="https://labex.io/labs/determining-file-types-636001" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/determining-file-types-636001" rel="noopener noreferrer">Tutorial →</a></p> <h2> Removing Files and Directories Safely </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fremoving-files-and-directories-safely-635991" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fremoving-files-and-directories-safely-635991" alt="Removing Files and Directories Safely" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 15 minutes</p> <p>In this lab, you will learn how to safely remove files and directories in Linux. You will practice using the rm and rmdir commands to delete data without errors.</p> <p><a href="https://labex.io/labs/removing-files-and-directories-safely-635991" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/removing-files-and-directories-safely-635991" rel="noopener noreferrer">Tutorial →</a></p> <h2> Paging Through Large Files </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fpaging-through-large-files-636004" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fpaging-through-large-files-636004" alt="Paging Through Large Files" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this lab, you will learn how to use the less command to view and navigate through large text files efficiently in the Linux terminal.</p> <p><a href="https://labex.io/labs/paging-through-large-files-636004" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/paging-through-large-files-636004" rel="noopener noreferrer">Tutorial →</a></p> <p>These five labs form the bedrock of your Linux journey. By practicing these commands in our interactive playground, you are not just memorizing syntax—you are building the muscle memory required for real-world system management. Start your first lab today and take the next step toward Linux mastery.</p> linux vim terminal tutorial Labby Tue, 14 Apr 2026 17:23:00 +0000 https://dev.to/labex/5-practical-pandas-labs-master-data-cleaning-filtering-and-statistics-5fh8 https://dev.to/labex/5-practical-pandas-labs-master-data-cleaning-filtering-and-statistics-5fh8 <p>Data science is rarely about building complex models from day one; it is about the grit of data manipulation. If you are looking to transition from raw, messy datasets to actionable insights, mastering Pandas is your most critical step. This curated learning path on LabEx provides a hands-on roadmap to move from basic DataFrame construction to sophisticated data cleaning, ensuring you build the muscle memory required for professional-grade analysis.</p> <h2> Pandas Descriptive Statistics </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fpandas-pandas-descriptive-statistics-596392" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fpandas-pandas-descriptive-statistics-596392" alt="Pandas Descriptive Statistics" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn how to compute various descriptive statistics for a Pandas DataFrame, including mean, median, min/max, and more.</p> <p><a href="https://labex.io/labs/pandas-pandas-descriptive-statistics-596392" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/pandas-pandas-descriptive-statistics-596392" rel="noopener noreferrer">Tutorial →</a></p> <h2> Pandas Filtering Data </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fpandas-pandas-filtering-data-596393" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fpandas-pandas-filtering-data-596393" alt="Pandas Filtering Data" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn the fundamental techniques for filtering data in Pandas DataFrames, including boolean indexing, combining conditions, using isin, and handling missing values.</p> <p><a href="https://labex.io/labs/pandas-pandas-filtering-data-596393" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/pandas-pandas-filtering-data-596393" rel="noopener noreferrer">Tutorial →</a></p> <h2> Handling NaN and Duplicates </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fpython-handling-nan-and-duplicates-189438" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fpython-handling-nan-and-duplicates-189438" alt="Handling NaN and Duplicates" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 20 minutes</p> <p>In this challenge, you will deal with a dataset containing missing (NaN) values and duplicate entries. The main objective is to clean and preprocess the dataset by handling these NaN and duplicate values using pandas library. This challenge will test your ability to work with complex data structures, manipulate and analyze data, and make decisions based on the dataset's characteristics.</p> <p><a href="https://labex.io/labs/python-handling-nan-and-duplicates-189438" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/python-handling-nan-and-duplicates-189438" rel="noopener noreferrer">Tutorial →</a></p> <h2> Pandas Creating DataFrames </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fpandas-pandas-creating-dataframes-596391" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fpandas-pandas-creating-dataframes-596391" alt="Pandas Creating DataFrames" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn the fundamental ways to create Pandas DataFrames, including from dictionaries, and how to customize their columns and indexes.</p> <p><a href="https://labex.io/labs/pandas-pandas-creating-dataframes-596391" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/pandas-pandas-creating-dataframes-596391" rel="noopener noreferrer">Tutorial →</a></p> <h2> Pandas Basic Data Cleaning </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fpandas-pandas-basic-data-cleaning-596390" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fog-image.labex.io%2Flabs%2Fpandas-pandas-basic-data-cleaning-596390" alt="Pandas Basic Data Cleaning" width="1200" height="630"></a></p> <p><strong>Difficulty:</strong> Beginner | <strong>Time:</strong> 25 minutes</p> <p>In this lab, you will learn the fundamental techniques for cleaning data using the Pandas library, including handling missing values, removing duplicates, and correcting data types.</p> <p><a href="https://labex.io/labs/pandas-pandas-basic-data-cleaning-596390" rel="noopener noreferrer">Practice on LabEx →</a> | <a href="https://labex.io/tutorials/pandas-pandas-basic-data-cleaning-596390" rel="noopener noreferrer">Tutorial →</a></p> <p>Data manipulation is a craft that improves with practice, not just theory. By completing these five labs, you will gain the technical proficiency to handle real-world data challenges with confidence. Stop reading about Pandas and start building—dive into these interactive exercises today and transform your data analysis capabilities.</p> pandas python datascience tutorial