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Ubuntu - apt - Upgrade installed packages

Same as apt-get upgrade –with-new-pkgs.* 

sudo apt upgrade

NOTE: This will upgrade all installed packages.

To upgrade only a specific program

sudo apt upgrade <package_name>

Another way to perform a complete upgrade

The same as apt-get dist-upgrade. 

sudo apt full-upgrade

WARNING: It is recommended to avoid using this command.

  • The command apt upgrade is very obedient.
    • It never tries to remove any packages or tries to install a new package on its own.
  • The command apt full-upgrade, on the other hand, is proactive.
    • It looks for dependencies with the newer version of the package being installed and it tries to install new packages or remove existing ones on its own.
    • It has a “smart” conflict resolution system. It will attempt to upgrade the most important packages, at the expense of the less important ones.
      • This may lead to the removal of some packages, which you might not want. This is the main reason why dist-upgrade should be avoided on production machines.