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LINUX

* KeyboardLayout umstellen:

loadkeys de
setxkbmap de

Networking with DEBIAN jessie

invoke-rc.d networking restart

Note:
' invoke-rc.d networking $ACTION' is exactly the same as running '/etc/init.d/networking $ACTION '

* Having multiple interfaces and you need to ifdown/ifup all of them at once:

sudo invoke-rc.d networking stop && invoke-rc.d networking start

* Dateien nach Alter anzeigen:

ls -alt

Dateigrößen

du -h | sort -h | less
df -h
ncdu
ls -la

NixOS

NixOS official manual

  • upgrade:

nixos-rebuild switch

  • install paket

nix-env -i paket

  • allowUnfree:

nix-env -i paket –arg config '{ allowUnfree = true; }'