Package Management

Debian

Install .deb Files

# List Installed Packages
dpkg -l
 
# Install .deb Package & Install dependencies
dpkg -i <filename> 
apt install -f

Deb packages can be installed with apt as well

Update System

sudo apt update
# Updates Packages, Installs new Dependencies
sudo apt upgrade
# Update Package, Install new Dependencies, Removes Broken/ Unused Packages
sudo apt full-upgrade
 
# Adding key for Repository
apt-key adv --keyserver hkp://keys.gnupg.net --recv-keys <key-last-8-char>

View Package Information

# Edit Repo List
sudo apt edit-sources
 
# Search package with specified name
apt search <package-name>
 
# View package and its dependencies
apt show <package-name>
 
# List at available packages
apt list [-a] <package-name>
apt list --installed

Remove Packages

sudo apt remove <package-name>
# Remove User data as well
sudo apt purge <package-name>
# Remove old unused files from apt cache
sudo apt autoremove

Arch

pacman can only update packages installed from the Arch Repo
pacman/Rosetta - ArchWiki

Pacman Config: /etc/pacman.conf
Pacman Hooks: /etc/pacman.d/hooks

yay is an AUR Helper, manages packages from Arch Repo and AUR
The yay command should not be prefixed with sudo

Install Packages

# Search for package
[pacman|yay] -Ss <package-name>
 
# Install package
[pacman|yay] -S <package-name>
 
pacman -Q | less        # List Packages
pacman -Qs | less       # List Packages /w description
 
# List Packages /w dependencies (Arch & AUR)
pacman -Qi <package-name>

Update Packages

# Update Packages
[pacman|yay] -Syu

Remove Packages

# Remove Package
[pacman|yay] -Rns <package-name>
 
# Remove Pacman Cache
sudo paccache -r
 
# Remove Orphan & Build Artifacts
yay -Yc --noconfirm && yay -Sc --noconfirm

Update Errors

PGP key invalid error

# Update the Keyring
sudo pacman -Sy archlinux-keyring
 
# Install the Updates
sudo pacman -Syu

Flatpak

Flatpak can download apps from multiple repo. The default is flathub

Install Packages

# Search for package
flatpak search <package-name>
 
# Install package
flatpak install flathub <package-name>
 
# View Package Info
flatpak list
flatpak info <package-id>

Update Packages

# Update Packages
flatpak update -y

Remove Packages

flatpak uninstall <package-id>
# Config Directory
rm -rf ~/.var/app/<package-id>
 
# Remove Orphan & Build Artifacts
flatpak uninstall --unused -y