nixos: nixos/doc/manual/administration/logging.xml to CommonMark

nixos/doc/manual/administration/logging.chapter.md

@@ -0,0 +1,38 @@
+# Logging {#sec-logging}
+
+System-wide logging is provided by systemd's *journal*, which subsumes
+traditional logging daemons such as syslogd and klogd. Log entries are
+kept in binary files in `/var/log/journal/`. The command `journalctl`
+allows you to see the contents of the journal. For example,
+
+```ShellSession
+$ journalctl -b
+```
+
+shows all journal entries since the last reboot. (The output of
+`journalctl` is piped into `less` by default.) You can use various
+options and match operators to restrict output to messages of interest.
+For instance, to get all messages from PostgreSQL:
+
+```ShellSession
+$ journalctl -u postgresql.service
+-- Logs begin at Mon, 2013-01-07 13:28:01 CET, end at Tue, 2013-01-08 01:09:57 CET. --
+...
+Jan 07 15:44:14 hagbard postgres[2681]: [2-1] LOG:  database system is shut down
+-- Reboot --
+Jan 07 15:45:10 hagbard postgres[2532]: [1-1] LOG:  database system was shut down at 2013-01-07 15:44:14 CET
+Jan 07 15:45:13 hagbard postgres[2500]: [1-1] LOG:  database system is ready to accept connections
+```
+
+Or to get all messages since the last reboot that have at least a
+"critical" severity level:
+
+```ShellSession
+$ journalctl -b -p crit
+Dec 17 21:08:06 mandark sudo[3673]: pam_unix(sudo:auth): auth could not identify password for [alice]
+Dec 29 01:30:22 mandark kernel[6131]: [1053513.909444] CPU6: Core temperature above threshold, cpu clock throttled (total events = 1)
+```
+
+The system journal is readable by root and by users in the `wheel` and
+`systemd-journal` groups. All users have a private journal that can be
+read using `journalctl`.

nixos/doc/manual/administration/logging.xml

@@ -1,43 +0,0 @@
-<chapter xmlns="http://docbook.org/ns/docbook"
-        xmlns:xlink="http://www.w3.org/1999/xlink"
-        xmlns:xi="http://www.w3.org/2001/XInclude"
-        version="5.0"
-        xml:id="sec-logging">
- <title>Logging</title>
- <para>
-  System-wide logging is provided by systemd’s <emphasis>journal</emphasis>,
-  which subsumes traditional logging daemons such as syslogd and klogd. Log
-  entries are kept in binary files in <filename>/var/log/journal/</filename>.
-  The command <literal>journalctl</literal> allows you to see the contents of
-  the journal. For example,
-<screen>
-<prompt>$ </prompt>journalctl -b
-</screen>
-  shows all journal entries since the last reboot. (The output of
-  <command>journalctl</command> is piped into <command>less</command> by
-  default.) You can use various options and match operators to restrict output
-  to messages of interest. For instance, to get all messages from PostgreSQL:
-<screen>
-<prompt>$ </prompt>journalctl -u postgresql.service
--- Logs begin at Mon, 2013-01-07 13:28:01 CET, end at Tue, 2013-01-08 01:09:57 CET. --
-...
-Jan 07 15:44:14 hagbard postgres[2681]: [2-1] LOG:  database system is shut down
--- Reboot --
-Jan 07 15:45:10 hagbard postgres[2532]: [1-1] LOG:  database system was shut down at 2013-01-07 15:44:14 CET
-Jan 07 15:45:13 hagbard postgres[2500]: [1-1] LOG:  database system is ready to accept connections
-</screen>
-  Or to get all messages since the last reboot that have at least a
-  “critical” severity level:
-<screen>
-<prompt>$ </prompt>journalctl -b -p crit
-Dec 17 21:08:06 mandark sudo[3673]: pam_unix(sudo:auth): auth could not identify password for [alice]
-Dec 29 01:30:22 mandark kernel[6131]: [1053513.909444] CPU6: Core temperature above threshold, cpu clock throttled (total events = 1)
-</screen>
- </para>
- <para>
-  The system journal is readable by root and by users in the
-  <literal>wheel</literal> and <literal>systemd-journal</literal> groups. All
-  users have a private journal that can be read using
-  <command>journalctl</command>.
- </para>
-</chapter>

nixos/doc/manual/administration/running.xml

@@ -14,7 +14,7 @@
  <xi:include href="../from_md/administration/rebooting.chapter.xml" />
  <xi:include href="../from_md/administration/user-sessions.chapter.xml" />
  <xi:include href="../from_md/administration/control-groups.chapter.xml" />
- <xi:include href="logging.xml" />
+ <xi:include href="../from_md/administration/logging.chapter.xml" />
  <xi:include href="cleaning-store.xml" />
  <xi:include href="containers.xml" />
  <xi:include href="troubleshooting.xml" />

nixos/doc/manual/from_md/administration/logging.chapter.xml

@@ -0,0 +1,45 @@
+<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="sec-logging">
+  <title>Logging</title>
+  <para>
+    System-wide logging is provided by systemd’s
+    <emphasis>journal</emphasis>, which subsumes traditional logging
+    daemons such as syslogd and klogd. Log entries are kept in binary
+    files in <literal>/var/log/journal/</literal>. The command
+    <literal>journalctl</literal> allows you to see the contents of the
+    journal. For example,
+  </para>
+  <programlisting>
+$ journalctl -b
+</programlisting>
+  <para>
+    shows all journal entries since the last reboot. (The output of
+    <literal>journalctl</literal> is piped into <literal>less</literal>
+    by default.) You can use various options and match operators to
+    restrict output to messages of interest. For instance, to get all
+    messages from PostgreSQL:
+  </para>
+  <programlisting>
+$ journalctl -u postgresql.service
+-- Logs begin at Mon, 2013-01-07 13:28:01 CET, end at Tue, 2013-01-08 01:09:57 CET. --
+...
+Jan 07 15:44:14 hagbard postgres[2681]: [2-1] LOG:  database system is shut down
+-- Reboot --
+Jan 07 15:45:10 hagbard postgres[2532]: [1-1] LOG:  database system was shut down at 2013-01-07 15:44:14 CET
+Jan 07 15:45:13 hagbard postgres[2500]: [1-1] LOG:  database system is ready to accept connections
+</programlisting>
+  <para>
+    Or to get all messages since the last reboot that have at least a
+    <quote>critical</quote> severity level:
+  </para>
+  <programlisting>
+$ journalctl -b -p crit
+Dec 17 21:08:06 mandark sudo[3673]: pam_unix(sudo:auth): auth could not identify password for [alice]
+Dec 29 01:30:22 mandark kernel[6131]: [1053513.909444] CPU6: Core temperature above threshold, cpu clock throttled (total events = 1)
+</programlisting>
+  <para>
+    The system journal is readable by root and by users in the
+    <literal>wheel</literal> and <literal>systemd-journal</literal>
+    groups. All users have a private journal that can be read using
+    <literal>journalctl</literal>.
+  </para>
+</chapter>