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nixos: provide /etc/hostname 

/etc/hostname is the file used by hostnamectl(1) and the
org.freedesktop.hostname1 dbus service (both provided by systemd) to get
the "static hostname". Better provide it so that users of those
tools/services get a proper hostname.

An example of an issue created by the lack of /etc/hostname is that the
bluetooth stack on NixOS identifies itself to peers as "BlueZ $VERSION"
instead of the hostname.

References:
https://www.freedesktop.org/software/systemd/man/hostname.html

Changes v1 -> v2:
  * ensure /etc/hostname ends with a newline
This commit is contained in:
Bjørn Forsman 2017-01-01 16:44:32 +01:00
parent 49d444416c
commit cb9195b7bc
1 changed files with 7 additions and 0 deletions
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7
nixos/modules/tasks/network-interfaces.nix
View File

@ -921,6 +921,13 @@ in
''; '';
}; };
# static hostname configuration needed for hostnamectl and the
# org.freedesktop.hostname1 dbus service (both provided by systemd)
environment.etc."hostname" = mkIf (cfg.hostName != "")
{
text = cfg.hostName + "\n";
};
environment.systemPackages = environment.systemPackages =
[ pkgs.host [ pkgs.host
pkgs.iproute pkgs.iproute