Pacman usage
From wikinotes
Key Management
pacman-key --init pacman-key --populate archlinux pacman-key --refresh-keys pacman -S archlinux-keyring # arch's official keys
Package Management
Basics
installing packages
pacman -Ss <pkg> # search pacman -Qo /bin/netstat # search package containing this file pacman -S <pkg> # install pacman -Rs <pkg> # uninstall with dependencies pacman -Rsc <pkg> # uninstall with dependencies, and packages that require this package pacman -Rsd --nodeps <pkg> # uninstall, allowing broken deps (useful for removing video driver)updates
pacman -Syy # refresh package index pacman -Syu # update allmaintenance
pacman -Si <pkg> # info pacman -Q # list of all installed packages pacman -Qi <pkg> | grep Required # list packages depending on this package pacman -Qtd --color=never | awk '{ print $1 }' | xargs sudo pacman -Rsd # remove orphan packages pacman -Sc # remove old packages from pkg-cache (MAKE SURE CleanMethod=KeepInstalled IN /ETC/PACMAN.CONF (default))Downloading old Packages
Archlinux
Manual Downloads
Find the package you'd like to downgrade to here
https://archive.archlinux.org/packages/
.Ex:
firefox https://archive.archlinux.org/packages ## find url to package pacman -U \ https://archive.archlinux.org/packages/l/linux/linux-4.15.3-2-x86_64.pkg.tar.xz \ https://archive.archlinux.org/packages/l/linux-headers-4.15.3-2-x86_64.pkg.tar.xz
WARNING:
Occasionally, you might need to install something to satisfy a current AUR package. But installing the core package will break the existing AUR package dependencies.
You have 2x options:
pacaur -S zfs-linux spl-linux -U https://... https://..Freeze Repo/Mirrorlist to Date
You can now configure your repo to download packages as of a specific date!
configure either
/etc/pacman.conf
# /etc/pacman.conf [core] SigLevel = PackageRequired Server=https://archive.archlinux.org/repos/2014/03/30/$repo/os/$arch [extra] SigLevel = PackageRequired Server=https://archive.archlinux.org/repos/2014/03/30/$repo/os/$arch [community] SigLevel = PackageRequired Server=https://archive.archlinux.org/repos/2014/03/30/$repo/os/$arch
/etc/pacman.d/mirrorlist
# /etc/pacman.d/mirrorlist Server=https://archive.archlinux.org/repos/2014/03/30/$repo/os/$archthen replace all installed packages
pacman -Syyuu
Archlinux-Arm
# find cpu arch uname -a # download package for your arch http://tardis.tiny-vps.com/aarm/packages/f/firefox/firefox-79.0.1-aarch64.tar.xz # install pacman -U firefox-79.0.1-aarch64.tar.xz
Configuration Management
pacman-conf # print current pacman config (incl. all source pacman.d entries)