Starting My DevOps Journey: Learning Linux

Hello everyone,

Welcome back to my DevOps journey! It’s been two days since I embarked on this exciting path, and today, I’m diving into one of the foundational skills for any DevOps engineer: Linux.

Why Linux?

Linux is the backbone of many DevOps practices and tools. Most servers and development environments in the tech industry run on Linux due to its stability, security, and open-source nature. Understanding Linux is crucial for efficiently managing infrastructure and deploying applications.

What is Linux?

Linux is an open-source operating system kernel that powers a wide range of devices, from personal computers to servers and mobile phones. It provides the essential tools and features needed to run and manage software.

Key Features of Linux:

1. Open Source: Linux’s source code is freely available, allowing anyone to modify and distribute it.

2. Security: Known for its robust security features, Linux is a preferred choice for servers and critical applications.

3. Stability: Linux systems are known for their reliability and can run for years without needing a reboot.

4. Flexibility: Linux offers a variety of distributions (distros) tailored for different needs, such as Ubuntu, CentOS, and Fedora.

Linux in DevOps:

Linux plays a vital role in the DevOps ecosystem. Here’s how:

1. Server Management: Most cloud servers and on-premises infrastructure run on Linux, making it essential for system administration.

2. Containerization: Tools like Docker use Linux kernel features to create containers, which are lightweight, portable environments for running applications.

3. Automation: Many DevOps automation tools, such as Ansible and Jenkins, are built to work seamlessly with Linux.

4. Scripting: Linux offers powerful scripting capabilities with shell scripting, allowing for automation of repetitive tasks.

Getting Started with Linux:

1. Choose a Distribution: Start with a beginner-friendly distro like Ubuntu or Fedora. They offer extensive documentation and community support.

2. Learn Basic Commands: Familiarize yourself with essential commands for navigating and managing the filesystem, such as ls, cd, cp, mv, and rm.

3. Practice Shell Scripting: Begin with simple scripts to automate tasks, gradually moving to more complex scripts.

4. Explore Package Management: Learn how to install, update, and manage software packages using tools like apt for Debian-based systems or yum for Red Hat-based systems.

Resources for Learning Linux:

• Books: "The Linux Command Line" by William Shotts and "Linux for Beginners" by Jason Cannon.

• Online Courses: Platforms like Coursera, Udemy, and edX offer comprehensive courses on Linux.

• Documentation: The official documentation for various Linux distributions provides valuable insights and tutorials.

My Experience So Far:

Over the past two days, I’ve been exploring Linux basics, setting up a virtual machine with Ubuntu, and practicing shell commands. It’s fascinating to see how powerful and versatile Linux is, and I’m excited to delve deeper into its capabilities.

What’s Next?

Next, I’ll be diving into more advanced Linux topics, such as user management, permissions, and networking. I’ll also explore how to set up a development environment on Linux and begin working with containerization using Docker.

Join Me:

I invite you to follow along and share your experiences and tips as we navigate the world of Linux and DevOps together. Let’s learn and grow as a community!

Stay tuned for more updates on my DevOps journey.

Cheers,

shriyansh kaurav