🚀 As a DevOps engineer, ideally you should have proficiency in the Linux.

As a DevOps professional, mastering the Linux command line is crucial for efficient server management, automation, and troubleshooting. In this comprehensive guide, we’ll explore top 79 essential Linux commands that every DevOps user should know. Each command is accompanied by a clear explanation and practical examples to help you deepen your Linux proficiency.

This article will help in understanding most of the important and majorly used Linux commands that would be required for a DevOps Engineer.

To execute these commands one can either use any Linux machine / virtual machine / online Linux terminal to quickly start working with the commands.

What is Linux?

  • Linux is an operating system, the same as Windows, iOS, and Mac OS. In fact, Linux is the operating system that powers one of the most well-known platforms, Android.
  • All of the hardware resources connected to your desktop or laptop are managed by an operating system, which is a piece of software.
  • The operating system, in a nutshell, controls how your software and hardware communicate with one another.
  • The operating system (OS) is necessary for the software to run.

Why is Linux used for DevOps?

  • One of the main practices carried out by the majority of IT companies is infrastructure automation.
  • In the area of automating infrastructure, Linux is widely used. The creation of instances takes less time with Linux’s assistance, and operations run more quickly.
  • 47% of businesses will choose Linux by 2021 for major infrastructure versioning and infrastructure automation. So, Is there any ideal Linux for DevOps?

Some of the DevOps-friendly Linux distributions are:

  • Ubuntu: For good reason, Ubuntu is frequently ranked first when this subject is brought up.
  • Fedora: For developers who prefer RHEL, Fedora is a good option to be explored.
  1. ls: List directory contents
  2. cd: Change directory
  3. pwd: Print working directory
  4. mkdir: Create a directory
  5. touch: Create a file
  6. cp: Copy files and directories
  7. mv: Move or rename files and directories
  8. rm: Remove files and directories
  9. find: Search for files and directories
  10. grep: Search for patterns in files
  11. cat: Concatenate and display files
  12. less: View file contents page by page
  13. head: Display the first lines of a file
  14. tail: Display the last lines of a file
  15. vi/vim: Text editor
  16. nano: Text editor
  17. tar: Archive and compress files
  18. gzip: Compress files
  19. gunzip: Decompress files
  20. wget: Download files from the web
  21. curl: Transfer data to or from a server
  22. ssh: Secure shell remote login
  23. scp: Securely copy files between hosts
  24. chmod: Change file permissions
  25. chown: Change file ownership
  26. chgrp: Change group ownership
  27. ps: Display running processes
  28. top: Monitor system resources and processes
  29. kill: Terminate processes
  30. df: Display disk space usage
  31. du: Estimate file and directory space usage
  32. free: Display memory usage
  33. uname: Print system information
  34. ifconfig: Configure network interfaces
  35. ping: Test network connectivity
  36. netstat: Network statistics
  37. iptables: Firewall administration
  38. systemctl: Manage system services
  39. journalctl: Query the system journal
  40. crontab: Schedule cron jobs
  41. useradd: Create a user account
  42. passwd: Change user password
  43. su: Switch user
  44. sudo: Execute a command as another user
  45. usermod: Modify user account
  46. groupadd: Create a group
  47. groupmod: Modify a group
  48. id: Print user and group information
  49. ssh-keygen: Generate SSH key pairs
  50. rsync: Synchronize files and directories
  51. diff: Compare files line by line
  52. patch: Apply a patch to files
  53. tar: Extract files from an archive
  54. curl: Perform HTTP requests
  55. nc: Netcat - networking utility
  56. wget: Download files from the web
  57. whois: Lookup domain registration details
  58. dig: DNS lookup utility
  59. sed: Stream editor for text manipulation
  60. awk: Pattern scanning and processing language
  61. sort: Sort lines in a text file
  62. cut: Extract sections from lines of files
  63. wc: Word, line, character, and byte count
  64. tee: Redirect output to multiple files or commands
  65. history: Command history
  66. source: Execute commands from a file in the current shell
  67. alias: Create command aliases
  68. ln: Create links between files
  69. uname: Print system information
  70. lsof: List open files and processes
  71. mkfs: Create a file system
  72. mount: Mount a file system
  73. umount: Unmount a file system
  74. ssh-agent: Manage SSH keys in memory
  75. grep: Search for patterns in files
  76. tr: Translate characters
  77. cut: Select portions of lines from files
  78. paste: Merge lines of files
  79. uniq: Report or omit repeated lines

⚡ Conclusion

These are some of the top and most popular Linux commands for DevOps that our experts have selected to aid you in your DevOps journey. You can start to feel the pressure of becoming an expert Linux user by inventively integrating these commands into your work processes.

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