Using apt-get upgrade, packages currently installed with new versions available are retrieved and upgraded under no circumstances are currently installed packages removed, or packages not already installed retrieved and installed. When the command is executed, it retrieves the information from the sources configured via sources.list. apt-get upgradeĪpt-get upgrade is used to install all the available upgrades of packages which are currently installed on the system.

Note that an update should always be performed before an upgrade or dist-upgrade.

When apt-get update command is executed, the command retrieves and scans the packages files, so that information about new and updated packages is available. It perform package upgrades or search in and display details about all packages available for installation. apt-get updateĪpt-get update is used to download package information from all configured sources. The apt-get is apt package handling utility (command-line interface for handling packages.)Īpt-get upgrade will not change what is installed (only versions), apt-get dist-upgrade will install or remove packages as necessary to complete the upgrade, apt upgrade will automatically install but not remove packages.apt full-upgrade performs the same function as apt-get dist-upgrade.

Aptget update