-
-
Notifications
You must be signed in to change notification settings - Fork 1
Linux Repository Configuration
Complete beginner-friendly guide to configuring package repositories on Linux, covering Arch Linux, CachyOS, and other distributions including mirror selection, repository priorities, performance optimization, and troubleshooting.
- Understanding Repositories
- Repository Configuration File
- Mirror Configuration
- Repository Priorities
- CachyOS-Specific Repositories
- Optimizing Repository Performance
- Custom Repositories
- Troubleshooting
Repositories are servers that store and serve software packages.
What they do:
- Store packages: Contain compiled software packages
- Serve packages: Provide packages for download
- Maintain metadata: Keep package information up to date
- Provide security: Packages are signed and verified
Why repositories matter:
- Package availability: Determines what software you can install
- Update speed: Faster mirrors = faster updates
- Reliability: Good mirrors = reliable package downloads
- Performance: Closer mirrors = faster downloads
Main repositories (Arch/CachyOS):
- core: Essential system packages
- extra: Additional software packages
- community: Community-maintained packages
- multilib: 32-bit packages (for 64-bit systems)
Main configuration file:
/etc/pacman.confWhat this file does:
- Defines which repositories to use
- Sets repository priorities
- Configures package signing
- Sets download options
View current configuration:
cat /etc/pacman.confEdit configuration:
sudo vim /etc/pacman.confInstall reflector:
# Arch/CachyOS
sudo pacman -S reflectorGenerate mirrors:
# Generate top 10 mirrors
sudo reflector --country "United States" --latest 10 --sort rate --save /etc/pacman.d/mirrorlist
# Update
sudo reflector --latest 20 --sort rate --save /etc/pacman.d/mirrorlistEdit mirrorlist:
# Edit mirrorlist
sudo vim /etc/pacman.d/mirrorlist
# Uncomment preferred mirrors
# Order matters - first is tried firstSet priorities:
# Edit pacman.conf
sudo vim /etc/pacman.confExample:
[core]
Include = /etc/pacman.d/mirrorlist
[extra]
Include = /etc/pacman.d/mirrorlist
[community]
Include = /etc/pacman.d/mirrorlist
CachyOS-specific repositories:
- cachyos: CachyOS optimized packages
- cachyos-v3: x86-64-v3 optimized packages
- cachyos-v4: x86-64-v4 optimized packages
- cachyos-zen4: Zen4 optimized packages
What each repository contains:
- cachyos: Optimized versions of packages
- cachyos-v3: x86-64-v3 instruction set optimized
- cachyos-v4: x86-64-v4 instruction set optimized
- cachyos-zen4: Zen4 architecture optimized
Configuration:
# Edit pacman.conf
sudo vim /etc/pacman.confAdd CachyOS repositories:
[cachyos]
Server = https://mirror.cachyos.org/repo/x86_64/$repo
[cachyos-v3]
Server = https://mirror.cachyos.org/repo/x86_64-v3/$repo
Rank mirrors by speed:
# Use reflector
sudo reflector --latest 20 --sort rate --save /etc/pacman.d/mirrorlistEnable parallel downloads:
# Edit pacman.conf
sudo vim /etc/pacman.confAdd:
[options]
ParallelDownloads = 5
Add repository:
# Edit pacman.conf
sudo vim /etc/pacman.confAdd:
[custom-repo]
Server = https://example.com/repo
Check repository:
# Check repository (use -Syu for full update)
# Note: -Sy without -u can cause dependency issues
# Only use for quick repository connectivity check
sudo pacman -Syu
# Check mirrors
curl -I https://mirror.example.com/repoChange mirrors:
# Use reflector
sudo reflector --latest 20 --sort rate --save /etc/pacman.d/mirrorlistThis guide covered repository configuration for Arch Linux, CachyOS, and other distributions, including mirror selection, repository priorities, CachyOS-specific repositories, and optimization.
- Package Management - Package management
- Mirror Setup - Mirror setup
- ArchWiki Pacman: https://wiki.archlinux.org/title/Pacman
This guide covers Arch Linux, CachyOS, and other Linux distributions. CachyOS-specific repositories are highlighted where applicable.