Gentoo Linux: Update All Installed Packages Command

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In Gentoo Linux, you can update all installed packages using the emerge command. Here’s the basic syntax:

emerge --update --deep --newuse world

This command will update all installed packages, including their dependencies, to the latest available version. The options used are:

  • --update updates the packages to the latest version
  • --deep updates the dependencies of the packages as well
  • --newuse updates packages to take into account changes in the use flags

After running this command, you may need to resolve any conflicts that arise and run emerge --depclean to remove any packages that are no longer needed as dependencies. Before updating all packages, it’s recommended to check the Gentoo news to see if any special actions are required.

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