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| -rw-r--r-- | en_US.ISO8859-1/books/handbook/config/chapter.sgml | 53 |
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diff --git a/en_US.ISO8859-1/books/handbook/config/chapter.sgml b/en_US.ISO8859-1/books/handbook/config/chapter.sgml index 9f03cd452e..e255b85bda 100644 --- a/en_US.ISO8859-1/books/handbook/config/chapter.sgml +++ b/en_US.ISO8859-1/books/handbook/config/chapter.sgml @@ -593,6 +593,55 @@ HOME=/var/log any other dependent services during the next reboot, as described below.</para> + <para>Since the <filename>rc.d</filename> system is primarily + intended to start/stop services at system startup/shutdown time; + the standard <option>start</option>, + <option>stop</option> and <option>restart</option> options will only + perform their action if the appropriate + <filename>/etc/rc.conf</filename> variables are set. For + instance the above <command>sshd restart</command> command will + only work if <varname>sshd_enable</varname> is set to + <option>YES</option> in <filename>/etc/rc.conf</filename>. To + <option>start</option>, <option>stop</option> or + <option>restart</option> a service regardless of the settings in + <filename>/etc/rc.conf</filename>, the commands should be + prefixed with <quote>force</quote>. For instance to restart + <command>sshd</command> regardless of the current + <filename>/etc/rc.conf</filename> setting, execute the following + command:</para> + + <screen>&prompt.root; <userinput>/etc/rc.d/sshd forcerestart</userinput></screen> + + <para>It's easy to check if a service is enabled in + <filename>/etc/rc.conf</filename> by running the appropriate + <filename>rc.d</filename> script with the option + <option>rcvar</option>. Thus, an administrator can check that + <command>sshd</command> is in fact enabled in + <filename>/etc/rc.conf</filename> by running:</para> + + <screen>&prompt.root; <userinput>/etc/rc.d/sshd rcvar</userinput> +# sshd +$sshd_enable=YES</screen> + + <note> + <para>The second line (<literal># sshd</literal>) is the output + from the <command>sshd</command> command; not a <username>root</username> + console.</para> + </note> + + <para>To determine if a service is running, a + <option>status</option> option is available. For instance to + verify that <command>sshd</command> is actually started:</para> + + <screen>&prompt.root; <userinput>/etc/rc.d/sshd status</userinput> +sshd is running as pid 433.</screen> + + <para>It is also possible to <option>reload</option> a service. + This will attempt to send a signal to an individual service, forcing the + service to reload its configuration files. In most cases this + means sending the service a <literal>SIGHUP</literal> + signal.</para> + <para>The <application>rcNG</application> structure is not only used for network services, it also contributes to most of the system initialization. For instance, consider the <filename>bgfsck</filename> file. When @@ -637,6 +686,10 @@ HOME=/var/log <para>By using this method, an administrator can easily control system services without the hassle of <quote>runlevels</quote> like some other &unix; operating systems.</para> + + <para>Additional information about the &os; 5.X + <filename>rc.d</filename> system can be found in the &man.rc.8; + and &man.rc.subr.8; manual pages.</para> </sect1> <sect1 id="config-network-setup"> |