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man: add an example to (re-)apply new settings to a network interface

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Closes #26601.
This commit is contained in:
Yu Watanabe
2023-03-04 20:07:56 +09:00
parent 9b7f499ff1
commit 181d719542
1 changed files with 17 additions and 0 deletions
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man/systemd.link.xml
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@@ -1140,6 +1140,23 @@ Name=dmz0</programlisting>
<filename>99-default.link</filename>, i.e. it needs a numerical prefix, to have any effect at all.</para>
</example>
<example>
<title>(Re-)applying a .link file to an interface</title>
<para>After a new .link file has been created, or an exisiting .link file modified, the new settings
may be applied to the matching interface with the following commands:</para>
<programlisting>$ sudo udevadm control --reload
$ sudo ip link set eth0 down
$ sudo udevadm trigger --verbose --settle --action add /sys/class/net/eth0</programlisting>
<para>You may also need to stop the service that manages the network interface, e.g.
<filename>systemd-networkd.service</filename> or <filename>NetworkManager.service</filename> before
the above operation, and then restart the service after that. For more details about
<command>udevadm</command> command, see
<citerefentry><refentrytitle>udevadm</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
</example>
<example>
<title>Debugging <varname>NamePolicy=</varname> assignments</title>