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Creating a NixOS live CD: Difference between revisions

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imported>Fadenb
Created page with "== motivation == creating a modified NIXOS live CD out of a working nixos installation gives you the benefits: * verify what is included * no need to download it * it is easy..."
 
imported>Makefu
remove old code
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== motivation ==
== motivation ==
creating a modified NIXOS live CD out of a working nixos installation gives you the benefits:
creating a modified NIXOS live CD out of a working nixos installation gives you the benefits:
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  }
  }


=== step 1/3: starting ssh automatically in the image and adding a ssh key to it ===
=== Start SSH with your SSH key
setting a default password on the boot cdrom (so that nobody can login using the default 'unset' password:
TODO


=== step 2/3: starting ssh automatically in the image and adding a ssh key to it ===
In your configuration.nix:
this is a hack, however it surely gives you an idea how to modify the stuff there:


in '''/etc/nixos/nixos/modules/installer/cd-dvd/installation-cd-base.nix''' add:
<code>
        mkdir -p /root/.ssh/
  services.openssh = {
        echo 'ssh-rsa ssh-rsa  AAAAB3Nz...(cut here)...AzV foo@bar' > /root/.ssh/authorized_keys
    enable = true;
at the end of
    hostKeys = [
* boot.postBootCommands =
      { bits = 8192; type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
    ];
  };
  # enable ssh in the iso boot process
  systemd.services.sshd.wantedBy = lib.mkForce [ "multi-user.target" ];
  users.users.root.openssh.authorizedKeys.keys [
    "ssh-rsa AAAAB3NzaC1y...== me@my-laptop"
  ];


=== step 3/3: starting ssh automatically in the image and adding a ssh key to it ===
</code>
'''THIS IS NOT WORKING YET: IGNORE LINES BELOW'''
vi /etc/nixos/nixos/modules/installer/cd-dvd/system-tarball-pc.nix
comment this line with a leading '#':
jobs.openssh.startOn = "network interfaces started";


== software installation inside the 'once' deployed and booted image ==
== software installation inside the 'once' deployed and booted image ==
in case you have booted from your image you can add software as described here:
in case you have booted from your image you can add software as described here:
* [[install/remove software]]
* [[install/remove software]]
<del>Without NixOS you need to supply the [https://svn.nixos.org/repos/nix/nixos/trunk/ source] instead of /etc/nixos/nixos.</del>(SVN is dead, https://github.com/NixOS/nixpkgs ? )


== references ==
== references ==
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[[Category:Installation]]
[[Category:Installation]]
[[Category:Deployment]]
[[Category:Deployment]]
[[Category:HOW-TO]]
Retrieved from "https://wiki.nixos.org/wiki/Creating_a_NixOS_live_CD"