This week, I explored the foundational tools that make modern DevOps workflows smooth and scalable. From mastering Git for version control to spinning up Linux servers using Vagrant, each tool brought me a step closer to real-world infrastructure automation.
🔍 What I Learned This Week:
🗂️ Version Control with Git
Learned how to initialize repositories, stage/commit changes, and work with branches. Explored Git logs, diffs, merges, and rebasing to keep history clean and workflows efficient.
📦 Vagrant for VM Automation
Understood how Vagrant simplifies virtual machine provisioning. Worked with Vagrantfile, synced folders, and provisioned Linux environments on the fly.
🖥️ Working with Linux Servers
Practiced logging into servers via SSH, updating packages, managing services, and setting up basic server configurations. Learned the importance of secure remote access and environment consistency.
🧠 Resources That Helped Me:
🎥 Course: Decoding DevOps – Git, Vagrant & Linux Servers
🔗 https://www.udemy.com/course/decodingdevops/learn/lecture/26460570?start=15#questions
📘 Pro Git Book (https://git-scm.com/book/en/v2)
📺 Vagrant in 100 Seconds
🔗 https://www.youtube.com/watch?v=fg4y0KWlN0M
🛠️ Tasks Completed:
✔️ Created and managed multiple Git branches for isolated feature development.
✔️ Resolved merge conflicts and rebased commits for a cleaner project history.
✔️ Initialized a Vagrant box with Ubuntu and provisioned it using shell scripts.
✔️ Accessed virtual servers via SSH and ran system-level commands.
✔️ Simulated real-world Linux server environments for DevOps practice.
⚠️ Common Errors & Solutions:
❌ Error 💡 Solution
Permission denied (publickey) while SSH-ing → Add your SSH key or use vagrant ssh directly
Merge conflict on rebase → Use git status, resolve conflicts, then git rebase --continue
"Command not found" inside VM → Update system with sudo apt update and install missing packages
Vagrant up hangs or fails → Check VirtualBox installation and Vagrant plugins
🎯 Biggest Takeaway:
Version control, virtualization, and Linux server management are pillars of DevOps. Learning to wield Git, automate with Vagrant, and navigate servers confidently is empowering — like building the foundation of a DevOps lab right on your laptop.
Let’s connect if you’re diving into Git, Linux, or building virtual labs with Vagrant!
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