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Last active October 21, 2025 16:48
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NixOS - update all the packages
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update-all-the-packages-nixos.md

steps

  • check the current channel 
    sudo nix-channel --list
  • (optional) set a new channel 
    sudo nix-channel --remove nixos
sudo nix-channel --add https://nixos.org/channels/nixos-XX.YY nixos
  • update the current channel 
    sudo nix-channel --update
  • update the packages 
    sudo nixos-rebuild switch
  • free up disk space 
    sudo nix-collect-garbage && sudo nix-collect-garbage -d

reference

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