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nixos/doc: re-format

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This commit is contained in:
Jan Tojnar
2019-09-18 22:13:35 +02:00
parent 83c2ad80ca
commit ea6e8775bd
124 changed files with 1946 additions and 5715 deletions
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nixos/doc/manual/administration/rollback.xml
+3 -12
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@@ -6,19 +6,11 @@
<title>Rolling Back Configuration Changes</title>
<para>
After running <command>nixos-rebuild</command> to switch to a new
configuration, you may find that the new configuration doesn’t work very
well. In that case, there are several ways to return to a previous
configuration.
After running <command>nixos-rebuild</command> to switch to a new configuration, you may find that the new configuration doesn’t work very well. In that case, there are several ways to return to a previous configuration.
</para>
<para>
First, the GRUB boot manager allows you to boot into any previous
configuration that hasn’t been garbage-collected. These configurations can
be found under the GRUB submenu “NixOS - All configurations”. This is
especially useful if the new configuration fails to boot. After the system
has booted, you can make the selected configuration the default for
subsequent boots:
First, the GRUB boot manager allows you to boot into any previous configuration that hasn’t been garbage-collected. These configurations can be found under the GRUB submenu “NixOS - All configurations”. This is especially useful if the new configuration fails to boot. After the system has booted, you can make the selected configuration the default for subsequent boots:
<screen>
# /run/current-system/bin/switch-to-configuration boot</screen>
</para>
@@ -30,8 +22,7 @@
This is equivalent to running:
<screen>
# /nix/var/nix/profiles/system-<replaceable>N</replaceable>-link/bin/switch-to-configuration switch</screen>
where <replaceable>N</replaceable> is the number of the NixOS system
configuration. To get a list of the available configurations, do:
where <replaceable>N</replaceable> is the number of the NixOS system configuration. To get a list of the available configurations, do:
<screen>
<prompt>$ </prompt>ls -l /nix/var/nix/profiles/system-*-link
<replaceable>...</replaceable>