Linux Commands:
ls: List directory contents. Usage:
ls [options] [file/directory]-l: Long listing format.-a: Include hidden files.-h: Human-readable sizes.
cd: Change directory. Usage:
cd [directory]cd ~: Navigate to the home directory.cd ..: Move up one directory.
pwd: Print working directory. Usage:
pwd- Displays the current directory path.
mkdir: Make directory. Usage:
mkdir [directory]mkdir -p: Create parent directories if they do not exist.
rm: Remove files or directories. Usage:
rm [options] [file/directory]-r: Recursive deletion for directories.-f: Force deletion without confirmation.
grep: Search text. Usage:
grep [options] [pattern] [file]-i: Ignore case.-r: Recursive search in directories.
chmod: Change file permissions. Usage:
chmod [options] [permissions] [file]chmod +x filename: Make a file executable.
Git Commands:
git init: Initialize a Git repository. Usage:
git initgit clone: Clone a repository into a new directory. Usage:
git clone [repository_url]git clone [repository_url] [directory_name]: Clone with a different directory name.
git add: Add file changes to the staging area. Usage:
git add [file(s)]git add .: Add all changes in the current directory.
git commit: Record changes to the repository. Usage:
git commit -m "Commit message"-m: Specify a commit message.
git push: Update remote refs. Usage:
git push [remote] [branch]git push origin main: Push changes to the main branch on the origin remote.
git pull: Fetch from and integrate with another repository or a local branch. Usage:
git pull [remote] [branch]git pull origin main: Pull changes from the main branch on the origin remote.
GitHub Commands:
git remote: Manage set of tracked repositories. Usage:
git remote [options] [command] [remote_name] [remote_url]git remote add origin [repository_url]: Add a remote named origin.
git branch: List, create, or delete branches. Usage:
git branch [options] [branch_name]git branch -d [branch_name]: Delete a branch.
git checkout: Switch branches or restore working tree files. Usage:
git checkout [branch_name]git checkout -b [new_branch]: Create and switch to a new branch.
git merge: Join two or more development histories together. Usage:
git merge [branch_name]git merge [source_branch] [target_branch]: Merge changes from source to target branch.
This cheat sheet covers essential commands for Linux, Git and GitHub, providing a quick reference for DevOps engnieer. If you enjoyed what you read, please consider following and giving it a thumbs up to show your support...
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