diff options
Diffstat (limited to 'man/nss-mymachines.xml')
| -rw-r--r-- | man/nss-mymachines.xml | 48 |
1 files changed, 8 insertions, 40 deletions
diff --git a/man/nss-mymachines.xml b/man/nss-mymachines.xml index 6e48835550..e0e6989c40 100644 --- a/man/nss-mymachines.xml +++ b/man/nss-mymachines.xml @@ -39,22 +39,13 @@ Note that the name that is resolved is the one registered with <command>systemd-machined</command>, which may be different than the hostname configured inside of the container.</para> - <para>The module also provides name resolution for user and group identifiers mapped to containers. All names from - the range allocated to a given container <replaceable>container</replaceable> are exposed on the host as - <literal>vu-<replaceable>container</replaceable>-<replaceable>uid</replaceable></literal> and - <literal>vg-<replaceable>container</replaceable>-<replaceable>gid</replaceable></literal> (see example below). This - functionality only applies to containers using user namespacing (see the description of - <option>--private-users</option> in - <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry>).</para> - - <para>To activate the NSS module, add <literal>mymachines</literal> to the lines starting with - <literal>hosts:</literal>, <literal>passwd:</literal> and <literal>group:</literal> in - <filename>/etc/nsswitch.conf</filename>.</para> + <para>To activate the NSS module, add <literal>mymachines</literal> to the line starting with + <literal>hosts:</literal> in <filename>/etc/nsswitch.conf</filename>.</para> <para>It is recommended to place <literal>mymachines</literal> after the <literal>files</literal> or - <literal>compat</literal> entry of the <filename>/etc/nsswitch.conf</filename> lines to make sure that its mappings - are preferred over other resolvers such as DNS, but so that <filename>/etc/hosts</filename>, - <filename>/etc/passwd</filename> and <filename>/etc/group</filename> based mappings take precedence.</para> + <literal>compat</literal> entry of the <filename>/etc/nsswitch.conf</filename> line to make sure that its + mappings are preferred over other resolvers such as DNS, but so that <filename>/etc/hosts</filename> + based mappings take precedence.</para> </refsect1> <refsect1> @@ -64,8 +55,8 @@ <command>nss-mymachines</command> correctly:</para> <!-- synchronize with other nss-* man pages and factory/etc/nsswitch.conf --> - <programlisting>passwd: compat <command>mymachines</command> systemd -group: compat <command>mymachines</command> systemd + <programlisting>passwd: compat systemd +group: compat systemd shadow: compat hosts: <command>mymachines</command> resolve [!UNAVAIL=return] myhostname files dns @@ -81,7 +72,7 @@ netgroup: nis</programlisting> </refsect1> <refsect1> - <title>Mappings provided by <filename>nss-mymachines</filename></title> + <title>Example: Mappings provided by <filename>nss-mymachines</filename></title> <para>The container <literal>rawhide</literal> is spawned using <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry>: @@ -96,29 +87,6 @@ $ machinectl --max-addresses=3 MACHINE CLASS SERVICE OS VERSION ADDRESSES rawhide container systemd-nspawn fedora 30 169.254.40.164 fe80::94aa:3aff:fe7b:d4b9 -$ getent passwd vu-rawhide-0 vu-rawhide-81 -vu-rawhide-0:*:20119552:65534:vu-rawhide-0:/:/usr/sbin/nologin -vu-rawhide-81:*:20119633:65534:vu-rawhide-81:/:/usr/sbin/nologin - -$ getent group vg-rawhide-0 vg-rawhide-81 -vg-rawhide-0:*:20119552: -vg-rawhide-81:*:20119633: - -$ ps -o user:15,pid,tty,command -e|grep '^vu-rawhide' -vu-rawhide-0 692 ? /usr/lib/systemd/systemd -vu-rawhide-0 731 ? /usr/lib/systemd/systemd-journald -vu-rawhide-192 734 ? /usr/lib/systemd/systemd-networkd -vu-rawhide-193 738 ? /usr/lib/systemd/systemd-resolved -vu-rawhide-0 742 ? /usr/lib/systemd/systemd-logind -vu-rawhide-81 744 ? /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only -vu-rawhide-0 746 ? /usr/sbin/sshd -D ... -vu-rawhide-0 752 ? /usr/lib/systemd/systemd --user -vu-rawhide-0 753 ? (sd-pam) -vu-rawhide-0 1628 ? login -- zbyszek -vu-rawhide-1000 1630 ? /usr/lib/systemd/systemd --user -vu-rawhide-1000 1631 ? (sd-pam) -vu-rawhide-1000 1637 pts/8 -zsh - $ ping -c1 rawhide PING rawhide(fe80::94aa:3aff:fe7b:d4b9%ve-rawhide (fe80::94aa:3aff:fe7b:d4b9%ve-rawhide)) 56 data bytes 64 bytes from fe80::94aa:3aff:fe7b:d4b9%ve-rawhide (fe80::94aa:3aff:fe7b:d4b9%ve-rawhide): icmp_seq=1 ttl=64 time=0.045 ms |