pacman on Archlinux

PACMAN

https://www.digitalocean.com/community/tutorials/how-to-use-arch-linux-package-management

Update in Arch Linux:

pacman  -Syyu

pacman-db-upgrade                                                     :(

==> Pre-4.2 database format detected - upgrading...

pacman -Qm       ( list the package not in the repository or install manually )