The latest articles on DEV Community by Abdul Aziz Zailani (@aazizzailani). https://dev.to/aazizzailani 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%2F2452433%2F54ecb3a0-4c5d-44fc-a975-4fb89c4119d2.png https://dev.to/aazizzailani en Abdul Aziz Zailani Tue, 10 Dec 2024 09:17:55 +0000 https://dev.to/aazizzailani/networking-basics-for-devops-beginners-p31 https://dev.to/aazizzailani/networking-basics-for-devops-beginners-p31 <p><em>Indonesia version <a href="https://aazizzailani.wordpress.com/2024/12/09/day-1-devops-networking-basics-untuk-pemula/" rel="noopener noreferrer">Blog</a></em><br> _<br> <strong>What is a Network?</strong></p> <p>A network connects devices so they can communicate and share data. Understanding networks is key to managing DevOps systems effectively.</p> <p><strong>Key Concepts</strong></p> <ol> <li> <strong>IP Address:</strong> The unique identifier for a device in a network, like your home address.</li> <li> <strong>DNS (Domain Name System):</strong> Converts website names into IP addresses for communication.</li> <li> <strong>Ports:</strong> Entry/exit points for connections, like specific doors for tasks.</li> <li> <strong>Protocols:</strong> Rules for data exchange, such as HTTP, HTTPS, and SSH.</li> </ol> <p><strong>Quick Exercises</strong></p> <ol> <li>Find Your IP Address:  </li> </ol> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>Windows: ipconfig Linux/Mac: ifconfig </code></pre> </div> <ol> <li>Check a Domain's IP Address: </li> </ol> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>nslookup example.com </code></pre> </div> <ol> <li>Ping a Server to Test Connection: </li> </ol> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>ping example.com </code></pre> </div> <p><strong>Common Ports</strong><br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>HTTP: 80 HTTPS: 443 SSH: 22 DNS: 53 </code></pre> </div> <p><strong>Why It's Important</strong></p> <p>Understanding networking helps troubleshoot issues, secure systems, and ensure smooth communication between services in DevOps environments.</p> <p><strong>Stay Connected!</strong></p> <p>Linkedin : <a href="https://www.linkedin.com/in/aazizzailani/" rel="noopener noreferrer">aazizzailani</a></p> devops programming beginners tutorial