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authorLennart Poettering <lennart@poettering.net>2016-11-18 17:31:49 +0100
committerLennart Poettering <lennart@poettering.net>2016-11-21 22:58:27 +0100
commit640be8806e1ce366b9046a4828889515c98b72f9 (patch)
treee1f3b508a845910898c532212dd21ef3f3535d3b /man/nss-resolve.xml
parentd9ec2e632df4905201facf76d6a205edc952116a (diff)
downloadsystemd-640be8806e1ce366b9046a4828889515c98b72f9.tar.gz
man: make /etc/nsswitch.conf documentation for nss-resolve match example
Fixes: #4683
Diffstat (limited to 'man/nss-resolve.xml')
-rw-r--r--man/nss-resolve.xml20
1 files changed, 7 insertions, 13 deletions
diff --git a/man/nss-resolve.xml b/man/nss-resolve.xml
index 9f24f65019..4e102cec26 100644
--- a/man/nss-resolve.xml
+++ b/man/nss-resolve.xml
@@ -63,16 +63,13 @@
hostnames via DNS.</para>
<para>To activate the NSS module, add <literal>resolve</literal> to the line starting with
- <literal>hosts:</literal> in <filename>/etc/nsswitch.conf</filename>.</para>
-
- <para>It is recommended to place <literal>resolve</literal> early in <filename>/etc/nsswitch.conf</filename>'
- <literal>hosts:</literal> line (but after the <literal>files</literal> or <literal>mymachines</literal> entries),
- replacing the <literal>dns</literal> entry if it exists, to ensure DNS queries are always routed via
- <citerefentry><refentrytitle>systemd-resolved</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
-
- <para>Note that <command>nss-resolve</command> will chain-load <command>nss-dns</command> if
- <filename>systemd-resolved.service</filename> is not running, ensuring that basic DNS resolution continues to work
- if the service is down.</para>
+ <literal>hosts:</literal> in <filename>/etc/nsswitch.conf</filename>. Specifcally, it is recommended to place
+ <literal>resolve</literal> early in <filename>/etc/nsswitch.conf</filename>' <literal>hosts:</literal> line (but
+ after the <literal>files</literal> or <literal>mymachines</literal> entries), right before the
+ <literal>dns</literal> entry if it exists, followed by <literal>[!UNAVAIL=return]</literal>, to ensure DNS queries
+ are always routed via
+ <citerefentry><refentrytitle>systemd-resolved</refentrytitle><manvolnum>8</manvolnum></citerefentry> if it is
+ running, but are routed to <command>nss-dns</command> if this service is not available.</para>
</refsect1>
<refsect1>
@@ -94,9 +91,6 @@ ethers: db files
rpc: db files
netgroup: nis</programlisting>
-
- <para>This keeps the <command>dns</command> module as a fallback for cases where the <command>nss-resolve</command>
- module is not installed.</para>
</refsect1>
<refsect1>