OnixOS:Package Management

Pacman Usage Guide

Pacman is the package manager for Arch Linux and its derivatives, designed to manage packages efficiently with simple commands.

Installation

Pacman is included by default in Arch Linux. To ensure it is installed and up to date, run: ``` sudo pacman -Syu ```

Basic Usage

Package Installation

To install a package, use: ``` sudo pacman -S <package_name> ``` For example, to install Firefox: ``` sudo pacman -S firefox ```

Package Removal

To remove a package: ``` sudo pacman -R <package_name> ``` To remove a package along with its dependencies: ``` sudo pacman -Rns <package_name> ```

System Update

To update all installed packages: ``` sudo pacman -Syu ``` To force a database refresh and then update: ``` sudo pacman -Syyu ```

Package Management

Searching for Packages

To search for a package in the official repositories: ``` pacman -Ss <keyword> ``` To check if a package is installed: ``` pacman -Qs <package_name> ```

Package Information

To view package details: ``` pacman -Qi <package_name> ``` To list all installed packages: ``` pacman -Qe ```

Cleaning Up

To remove orphaned dependencies: ``` sudo pacman -Rns $(pacman -Qdtq) ``` To clean the package cache: ``` sudo pacman -Sc ``` To remove all cached packages: ``` sudo pacman -Scc ```

Troubleshooting

Fixing Key Issues

If a signature error occurs: ``` sudo pacman-key --init sudo pacman-key --populate archlinux ``` To refresh keys: ``` sudo pacman-key --refresh-keys ```

Resolving Conflicts

If a file conflict error occurs, manually remove the conflicting file and retry: ``` sudo rm /path/to/conflicting/file sudo pacman -Syu ```

See Also

• Arch Linux Pacman Wiki
• Pacman Manual