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| author | wmertens <Wout.Mertens@gmail.com> | 2014-12-18 22:52:29 +0100 |
|---|---|---|
| committer | wmertens <Wout.Mertens@gmail.com> | 2014-12-18 22:52:29 +0100 |
| commit | 5f7530a1d7bf3a733213f5c7666a6b6398aa48a9 (patch) | |
| tree | ae6dfc0df7415cae6cbfb866e783bd00f2d84881 /nixos/modules/tasks/network-interfaces.nix | |
| parent | 86971fd33bfb127981645d86d2a066e6b020171a (diff) | |
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zfs hostId: Instructions to derive from machine-id
Diffstat (limited to 'nixos/modules/tasks/network-interfaces.nix')
| -rw-r--r-- | nixos/modules/tasks/network-interfaces.nix | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/nixos/modules/tasks/network-interfaces.nix b/nixos/modules/tasks/network-interfaces.nix index 807a56a32d2..4a272483e54 100644 --- a/nixos/modules/tasks/network-interfaces.nix +++ b/nixos/modules/tasks/network-interfaces.nix @@ -233,8 +233,12 @@ in The 32-bit host ID of the machine, formatted as 8 hexadecimal characters. You should try to make this ID unique among your machines. You can - generate a random 32-bit ID using the following command: + generate a random 32-bit ID using the following commands: + <literal>cksum /etc/machine-id | while read c rest; do printf "%x" $c; done</literal> + + (this derives it from the machine-id that systemd generates) or + <literal>head -c4 /dev/urandom | od -A none -t x4</literal> ''; }; |