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docs/content/redeploying.md
stuebinm b35887d58a migrate old stuff from bookstack 
(at least the few bits that still retain any relevancy at all)
2022-01-05 22:52:09 +01:00

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+++ title = "Redeploying existing host" taxonomies.categories = [ "nix" ] +++

Execute the following script from the root of the haccfiles directory on a NixOS-based host (otherwise initrd secrets and therefore the encrypted boot will break).

nix build -f . deploy.$hostspec
./result $action

$hostspec can be replaced by any hostname or group name. To find out wich groups exist, evaluate the expression lib.attrNames groups in the context of the top-level default.nix.

$action can be one of:

  • switch: make the configuration the boot default and activate now
  • boot: make the configuration the boot default
  • test: activate the configuration, but don't make it the boot default
  • dry-activate: show what would be done if this configuration were activated

It is recommended to run a dry-activate first, and if any of the changes mentioned have a chance of interrupting access to the server, executing a test and only once that succeeds a switch.