Max Wilson mwilsoncoding

## nixtidbits.md

      
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                mwilsoncoding
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              August 27, 2020 01:25
            
          
    Nix Tidbits

In which tidbits regarding nix can be found...
Nix

Inherit
# introduces the 'hi' attribute to the following scope
# only valid inside a let block
nix-repl> let inherit ({greeting = "helloworld";}) greeting; in greeting
"helloworld"


## nixos-remove-old-generations
# nix-env -p /nix/var/nix/profiles/system --delete-generations old
# nix-collect-garbage -d
# nix-env -p /nix/var/nix/profiles/system --list-generations
## Remove entries from /boot/loader/entries:
# sudo bash -c "cd /boot/loader/entries; ls | grep -v <current-generation-name> | xargs rm"