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nixos-configuration-on-vm: show initialHashedPassword #1159

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nixos-configuration-on-vm: show initialHashedPassword #1159

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15 changes: 7 additions & 8 deletions source/tutorials/nixos/nixos-configuration-on-vm.md
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Original file line number Diff line number Diff line change
Expand Up @@ -52,11 +52,10 @@ To be able to log in, add the following lines to the returned attribute set:
};
```

Additionally, you need to specify a password for this user.
For the purpose of demonstration only, you specify an insecure, plain text password by adding the `initialPassword` option to the user configuration:
Additionally, you need to specify a password for this user. You can generate a hashed password with `mkpasswd` and then add it as:

```nix
initialPassword = "test";
initialHashedPassword = "$y$j9T$1Cxi0roo3nE7GNTBz0NKs.$uGc0FJbwMhU2PgscNZlEmpMml1vShvbC6JSxdyM0is8";
```

We add two lightweight programs as an example:
Expand All @@ -68,8 +67,8 @@ We add two lightweight programs as an example:
];
```

:::{warning}
Do not use plain text passwords outside of this example unless you know what you are doing. See [`initialHashedPassword`](https://nixos.org/manual/nixos/stable/options.html#opt-users.extraUsers._name_.initialHashedPassword) or [`ssh.authorizedKeys`](https://nixos.org/manual/nixos/stable/options.html#opt-users.extraUsers._name_.openssh.authorizedKeys.keys) for more secure alternatives.
:::{note}
you can also use [`ssh.authorizedKeys`](https://nixos.org/manual/nixos/stable/options.html#opt-users.extraUsers._name_.openssh.authorizedKeys.keys) for passwordless login.
:::

(sample-nixos-config)=
Expand All @@ -86,7 +85,7 @@ The complete `configuration.nix` file looks like this:
users.users.alice = {
isNormalUser = true;
extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
initialPassword = "test";
initialHashedPassword = "$y$j9T$1Cxi0roo3nE7GNTBz0NKs.$uGc0FJbwMhU2PgscNZlEmpMml1vShvbC6JSxdyM0is8";
};

environment.systemPackages = with pkgs; [
Expand Down Expand Up @@ -231,7 +230,7 @@ The complete `configuration.nix` file looks like this:
users.users.alice = {
isNormalUser = true;
extraGroups = [ "wheel" ];
initialPassword = "test";
initialHashedPassword = "$y$j9T$1Cxi0roo3nE7GNTBz0NKs.$uGc0FJbwMhU2PgscNZlEmpMml1vShvbC6JSxdyM0is8";
};

system.stateVersion = "24.05";
Expand Down Expand Up @@ -286,7 +285,7 @@ Arguments to QEMU can also be added to the configuration file:
users.users.alice = {
isNormalUser = true;
extraGroups = [ "wheel" ];
initialPassword = "test";
initialHashedPassword = "$y$j9T$1Cxi0roo3nE7GNTBz0NKs.$uGc0FJbwMhU2PgscNZlEmpMml1vShvbC6JSxdyM0is8";
};

system.stateVersion = "24.05";
Expand Down