DevOps Mastery: Linux & Git-GitHub Commands Cheat Sheet 🚀

Linux Commands:

Navigation Commands:

• pwd: Print working directory.

• ls: List files and directories.

• cd: Change directory.

• mkdir: Create a new directory.

• rmdir: Remove an empty directory.

File Operations:

• touch: Create an empty file.

• cp: Copy files or directories.

• mv: Move or rename files or directories.

• rm: Remove files or directories.

• cat: Display file content.

User and Permission Management:

• whoami: Display the current user.

• sudo: Execute a command with superuser privileges.

• chmod: Change file permissions.

• chown: Change file owner.

Process Management:

• ps: Display information about running processes.

• kill: Terminate a process.

• top: Display real-time system statistics.

System Information:

• uname: Display system information.

• df: Display disk space usage.

• free: Display system memory usage.

Text Manipulation:

• echo: Print text to the terminal.

• grep: Search for patterns in files.

• sed: Stream editor for filtering and transforming text.

• awk: Powerful text processing tool.

Git-GitHub Commands:

Basic Git Commands:

• git init: Initialize a new Git repository.

• git clone: Clone a repository into a new directory.

• git add: Add changes to the staging area.

• git commit: Record changes to the repository.

• git status: Display the status of the working directory.

Branching and Merging:

• git branch: List, create, or delete branches.

• git checkout: Switch branches or restore working tree files.

• git merge: Merge branches.

• git rebase: Reapply commits on top of another base commit.

Remote Repositories:

• git remote: Manage set of tracked repositories.

• git fetch: Download objects and refs from another repository.

• git pull: Fetch from and integrate with another repository or a local branch.

• git push: Update remote refs along with associated objects.

Undoing Changes:

• git reset: Reset current HEAD to the specified state.

• git revert: Create a new commit that undoes changes.

• git stash: Stash changes in a dirty working directory.

Viewing History:

• git log: Display the commit history.

• git show: Show various types of objects.

• git blame: Show what revision and author last modified each line of a file.