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doc: Add documentation for the new option to the Automatic Upgrades section

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Daniel Frank 2019-10-12 22:23:53 +02:00
parent 2de41ccab3
commit 73220589e0
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1 changed files with 9 additions and 4 deletions
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13
nixos/doc/manual/installation/upgrading.xml
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@ -120,12 +120,17 @@ nixos https://nixos.org/channels/nixos-unstable
to <filename>configuration.nix</filename>:
<programlisting>
<xref linkend="opt-system.autoUpgrade.enable"/> = true;
<xref linkend="opt-system.autoUpgrade.allowReboot"/> = true;
</programlisting>
This enables a periodically executed systemd service named
<literal>nixos-upgrade.service</literal>. It runs <command>nixos-rebuild
switch --upgrade</command> to upgrade NixOS to the latest version in the
current channel. (To see when the service runs, see <command>systemctl
list-timers</command>.) You can also specify a channel explicitly, e.g.
<literal>nixos-upgrade.service</literal>. If the <literal>allowReboot</literal>
option is <literal>false</literal>, it runs <command>nixos-rebuild switch
--upgrade</command> to upgrade NixOS to the latest version in the current
channel. (To see when the service runs, see <command>systemctl list-timers</command>.)
If <literal>allowReboot</literal> is <literal>true</literal>, then the
system will automatically reboot if the new generation contains a different
kernel, initrd or kernel modules.
You can also specify a channel explicitly, e.g.
<programlisting>
<xref linkend="opt-system.autoUpgrade.channel"/> = https://nixos.org/channels/nixos-19.09;
</programlisting>