pacman

Pacman Cheatsheet #

pacman is the package manager for Arch Linux and its derivatives. It is used for installing, updating, and managing software packages.

Basic Commands #

Command/Option	Example	Description
`pacman -S <package>`	`pacman -S nginx`	Install a package
`pacman -R <package>`	`pacman -R nginx`	Remove a package, but keep configuration files
`pacman -Rns <package>`	`pacman -Rns nginx`	Remove a package and its unused dependencies
`pacman -U <file>`	`pacman -U /path/to/package.pkg.tar.zst`	Install a package from a local file
`pacman -Q`	`pacman -Q`	List all installed packages
`pacman -Qi <package>`	`pacman -Qi nginx`	Display detailed information about an installed package
`pacman -Ql <package>`	`pacman -Ql nginx`	List all files installed by a package
`pacman -Qd`	`pacman -Qd`	List all dependencies that are no longer needed

Command/Option	Example	Description
`pacman -Syu`	`pacman -Syu`	Update the system and all installed packages
`pacman -Sy <package>`	`pacman -Sy nginx`	Sync the package database and install a package
`pacman -Scc`	`pacman -Scc`	Clean the package cache
`pacman -Syy`	`pacman -Syy`	Force a refresh of all package databases

Command/Option	Example	Description
`pacman -Ss <query>`	`pacman -Ss nginx`	Search for packages in the repositories
`pacman -Sw <package>`	`pacman -Sw nginx`	Download a package without installing it
`pacman -Qm`	`pacman -Qm`	List all packages that were installed explicitly, but are not in the repositories

Command/Option	Example	Description
`pacman -Qk <package>`	`pacman -Qk nginx`	Verify the integrity of installed files for a package
`pacman -Qe`	`pacman -Qe`	List all explicitly installed packages

This cheatsheet covers essential pacman commands and options for managing packages on Arch Linux and its derivatives.