diff options
Diffstat (limited to 'man/daemon.xml')
| -rw-r--r-- | man/daemon.xml | 49 |
1 files changed, 44 insertions, 5 deletions
diff --git a/man/daemon.xml b/man/daemon.xml index b708bdcfba..fb22e6c616 100644 --- a/man/daemon.xml +++ b/man/daemon.xml @@ -678,7 +678,8 @@ <listitem><para>If your daemon registers a D-Bus name on the bus, make sure to use - <varname>Type=dbus</varname> if + <varname>Type=dbus</varname> in the + service file if possible.</para></listitem> <listitem><para>Make sure to set a @@ -703,16 +704,45 @@ operating system-independent.</para></listitem> + <listitem><para>Since not all syslog + implementations are socket-activatable + yet, it is recommended to place an + <varname>After=syslog.target</varname> + dependency in service files for + daemons that can log to + syslog. <filename>syslog.target</filename> + then either pulls in the syslog daemon + itself or simply the activation + socket. A <varname>Wants=</varname> or + even <varname>Requires=</varname> + dependency should generally not be + added, since it should be up to the + administrator whether he wants to + enable logging or not, and most syslog + clients work fine if no log daemon is + running.</para></listitem> + <listitem><para>Make sure to include - an <literal>[Install]</literal> section including - installation information for the unit - file. See + an <literal>[Install]</literal> + section including installation + information for the unit file. See <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry> for details. To activate your service on boot make sure to add a <varname>WantedBy=multi-user.target</varname> or - <varname>WantedBy=graphical.target</varname> directive.</para></listitem> + <varname>WantedBy=graphical.target</varname> + directive. To activate your socket on + boot, make sure to add + <varname>WantedBy=sockets.target</varname>. Usually + you also want to make sure that when + your service is installed your socket + is installed too, hence add + <varname>Also=foo.socket</varname> in + your service file + <filename>foo.service</filename>, for + a hypothetical program + <filename>foo</filename>.</para></listitem> </orderedlist> </refsect2> @@ -800,6 +830,15 @@ if [ "$1" -eq 0 ]; then /usr/bin/systemd-install --realize disable foobar.service foobar.socket >/dev/null 2>&1 || : fi</programlisting> + <para>Depending on whether your service should + or should not be started/stopped/restarted + during package installation, deinstallation or + upgrade, a different argument to + <option>--realize=</option> may be + specified. See + <citerefentry><refentrytitle>systemd-install</refentrytitle><manvolnum>1</manvolnum></citerefentry> + for details.</para> + </refsect2> </refsect1> |