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17.09 release notes: add network interface rename note

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Fixes #29197.
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Franz Pletz 2017-09-29 00:06:38 +02:00
parent df86f19968
commit 49f175cd0c
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nixos/doc/manual/release-notes/rl-1709.xml
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@ -181,6 +181,53 @@ has the following highlights: </para>
following incompatible changes:</para>
<itemizedlist>
<listitem>
<para>
<emphasis role="strong">
In an Qemu-based virtualization environment, the network interface
names changed from i.e. <literal>enp0s3</literal> to
<literal>ens3</literal>.
</emphasis>
</para>
<para>
This is due to a kernel configuration change. The new naming
is consistent with those of other Linux distributions with
systemd. See
<!--!link href="https://github.com/NixOS/nixpkgs/issues/29197">#29197</link-->
for more information.
</para>
<para>
A machine is affected if the <literal>virt-what</literal> tool
either returns <literal>qemu</literal> or
<literal>kvm</literal> <emphasis>and</emphasis> has
interface names used in any part of its NixOS configuration,
in particular if a static network configuration with
<literal>networking.interfaces</literal> is used.
</para>
<para>
Before rebooting affected machines, please ensure:
<itemizedlist>
<listitem>
<para>
Change the interface names in your NixOS configuration.
The first interface will be called <literal>ens3</literal>,
the second one <literal>ens8</literal> and starting from there
incremented by 1.
</para>
</listitem>
<listitem>
<para>
After changing the interface names, rebuild your system with
<literal>nixos-rebuild boot</literal> to activate the new
configuration after a reboot. If you switch to the new
configuration right away you might lose network connectivity!
If using <literal>nixops</literal>, deploy with
<literal>nixops deploy --force-reboot</literal>.
</para>
</listitem>
</itemizedlist>
</para>
</listitem>
<listitem>
<para>
The <literal>aiccu</literal> package was removed. This is due to SixXS