Debian package management, apt & apt-get

apt install  apt-get install Installs a package.

 

apt remove  apt-get remove         Removes a package.

 

apt purge  apt-get purge         Removes package with configuration.

 

apt update  apt-get update         Refreshes repository index.

 

apt upgrade  apt-get upgrade Upgrades all upgradable packages.

 

apt autoremove  apt-get autoremove Removes unwanted packages.

 

apt full-upgrade apt-get dist-upgrade Upgrades packages with auto-handling of dependencies.

 

apt search  apt-cache search Searches for the program.

 

apt show  apt-cache show         Shows package details.

 

 

apt list --installed                    Lists installed packages.

apt list               Lists packages with criteria (installed, upgradable etc).

apt edit sources Edit sources list.

source

The following will attempt to install a package to which we have a deb file and also download/install any dependencies;

apt install -f ./somePackage.deb

additionally, dpkg -i somePackage.deb 

To upgrade a package, firstly do;

apt update

then apt list --upgradable

then apt-get install --only-upgrade packageName