Apt Commands in Ubuntu

This is a list of the apt commands I use the most in my Ubuntu servers.

The file /etc/apt/sources.list contains a list from which to retrieve the desired package files.

To get the latest info about all Ubuntu packages from the repositories

apt-get update

I normally update my servers like that

apt-get update # Fetches the list of available updates
apt-get upgrade # Strictly upgrades the current packages
apt-get dist-upgrade # Installs kernel updates

To install an Ubuntu package

apt-get install package-name

How to list all installed packages in Ubuntu

apt list --installed

This command is used to update a PPA or any Ubuntu package

apt-get install --only-upgrade package-name

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