Day 12 of 90DaysOfDevOps Challenge: Crafting Your Essential Linux and Git-GitHub Cheat Sheet 🛠️
This is #90DaysofDevops challenge under the guidance of Shubham Londhe sir.
Day 12 TASK
Introduction
Welcome to Day 12 of the #90DaysOfDevOps challenge! Today, we're diving into the world of Linux and Git-GitHub commands, and I'm excited to share with you a comprehensive cheat sheet that will be your go-to guide throughout your DevOps journey.
Let's get started!
Linux & Git Cheat-Sheet 🚀
🐧 Linux Cheat-Sheet
Navigation:
cd [directory]: Move to a different directory.ls: List files and directories.pwd: Display the current directory's path.mkdir [directory]: Create a new directory.rm [file]: Delete a file.rm -r [directory]: Remove a directory and its contents.
File Operations:
touch [file]: Create a new file.cat [file]: View file contents.cp [source] [destination]: Copy files.mv [source] [destination]: Move or rename files.
User and Group Management:
sudo [command]: Execute a command with superuser privileges.useradd [username]: Create a new user.passwd [username]: Set a password for a user.su [username]: Switch to another user.userdel [username]: Delete a user.chmod [permissions] [file]: Change file permissions.chown [owner:group] [file]: Change file owner and group.chgrp [group] [file]: Change file group.
Process Management:
ps: Display running processes.top: Monitor system resources and processes.kill [pid]: Terminate a process.
Networking:
ping [host]: Check network connectivity.ifconfig: View network interfaces.netstat: Display network connections and statistics.
System Monitoring:
df -h: Show disk space usage.free -h: Display available memory.top: Display CPU utilization and other process information.
Additional Commands:
tar -czvf [archive.tar.gz] [files/directories]: Create a compressed tarball.tar -xzvf [archive.tar.gz]: Extract a tarball.grep [pattern] [file]: Search for a pattern in a file.sed 's/old/new/g' [file]: Replace text in a file.uname -a: Display system information.apt update: Update package lists.apt install [package]: Install a package.apt remove [package]: Uninstall a package.
🐙 Git-GitHub Cheat-Sheet
Repository Management:
git init: Initialize a new Git repository.git clone [repository]: Clone a repository from GitHub.git add [file]: Add a file to the staging area.git commit -m "[message]": Commit changes with a message.git push: Push commits to a remote repository.git pull: Fetch and merge changes from a remote repository.
Branching and Merging:
git branch: List branches.git branch [branch]: Create a new branch.git checkout [branch]: Switch to a branch.git merge [branch]: Merge changes from a branch.git rebase [branch]: Rebase changes onto another branch.
Stashing and Cleaning:
git stash: Temporarily shelve changes.git stash pop: Apply stashed changes and remove from stash.
Cherry-Picking:
git cherry-pick [commit]: Apply a specific commit to the current branch.
Collaboration:
git remote add [name] [url]: Add a remote repository.git fetch [remote]: Fetch changes from a remote repository.git pull [remote] [branch]: Pull changes from a remote branch.git push [remote] [branch]: Push commits to a remote branch.
Undoing Changes:
git reset --hard [commit]: Reset to a specific commit, discarding changes.git revert [commit]: Revert changes introduced by a commit.
Feel free to keep this cheat sheet handy for quick reference during your DevOps journey. Let it remind you of the important commands and concepts we've covered together.