148 lines
6.1 KiB
Diff
148 lines
6.1 KiB
Diff
diff --git a/watchdog.8 b/watchdog.8
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index 9b7c6e7..052b1e1 100644
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--- a/watchdog.8
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+++ b/watchdog.8
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@@ -216,6 +216,7 @@ by
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.BR watchdog .
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So you can for instance restart the server from your
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.IR repair-binary .
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+See the Systemd section below for additinal information.
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.PP
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.B watchdog
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will try periodically to fork itself to see whether the process
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@@ -242,6 +243,8 @@ a given interface for traffic. If no traffic arrives the network is
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considered unreachable causing a soft reboot or action from the
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repair binary.
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.PP
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+To start the watchdog when network is available see the Systemd section below.
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+.PP
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.B watchdog
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can run an external command for user-defined tests. A return code not equal 0
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means an error occurred and watchdog should react. If the external command is
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@@ -348,6 +351,9 @@ Child process did not return in time.
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246
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Free for personal watchdog-specific use (was \-10 as an unsigned 8\-bit
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number).
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+.PP
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+With enforcing SELinux policy please use the /usr/libexec/watchdog/scripts/
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+for your test-binary configuration.
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.TP
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245
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Reserved for an unknown result, for example a slow background test that is
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@@ -375,6 +381,9 @@ repair-maximum
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controls the number of successive repair attempts that report 0 (i.e. success) but
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fail to clear the tested fault. If this is exceeded then a reboot takes place. If set
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to zero then a reboot can always be blocked by the repair program reporting success.
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+.PP
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+With enforcing SELinux policy please use the /usr/libexec/watchdog/scripts/
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+for your repair-binary configuration.
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.SH "TEST DIRECTORY"
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Executables placed in the test directory are discovered by watchdog on
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startup and are automatically executed. They are bounded time-wise by
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@@ -413,6 +422,27 @@ As for the repair binary, the configuration parameter
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repair-maximum
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also controls the number of successive repair attempts that report success
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(return 0) but fail to clear the fault.
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+.SH SYSTEMD
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+To start watchdog after the network is available:
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+.PP
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+.br
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+systemctl disable watchdog
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+.br
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+systemctl enable NetworkManager-wait-online
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+.br
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+systemctl enable watchdog-ping
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+.PP
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+
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+When using custom service pid check with custom service
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+systemd unit file please be aware the "Requires="
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+does dependent service deactivation.
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+Using "Before=watchdog.service" or "Before=watchdog-ping.service"
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+in the custom service unit file may be the desired operation instead.
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+See systemd.unit documentation for more details.
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+
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+.SH SELINUX
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+The directories /etc/watchdog.d/ and /usr/libexec/watchdog/scripts/ are
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+recognized locations for custom executables.
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.SH BUGS
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None known so far.
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.SH AUTHORS
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@@ -431,4 +461,4 @@ The watchdog device.
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The pid file of the running
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.BR watchdog .
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.SH "SEE ALSO"
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-.BR watchdog.conf (5)
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+.BR watchdog.conf (5), systemd.unit (5)
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diff --git a/watchdog.conf.5 b/watchdog.conf.5
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index edf7c8b..2803fee 100644
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--- a/watchdog.conf.5
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+++ b/watchdog.conf.5
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@@ -47,7 +47,7 @@ Be careful not to this parameter too low. To set a value less then the
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predefined minimal value of 2, you have to use the \-f command line option.
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.TP
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min-memory = <minpage>
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-Set the minimal amount of memory that has to stay free. Note that
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+Set the minimal amount of virtual memory that has to stay free. Note that
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this is in memory pages (4kB on x86). Default value is 0 pages which means
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this test is disabled. The page size is taken from the system include files.
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The usable memory is computed from MemFree + Buffers + Cached since buffer
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@@ -130,6 +130,7 @@ pidfile = <pidfilename>
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Set pidfile name for daemon test mode.
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This option can be given as often as you like to check several daemons, assuming
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they write their post-forking PID to the specified files.
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+See the Systemd section in watchdog (8) for more information.
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.TP
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ping = <ip-addr>
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Set IPv4 address for ping mode.
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@@ -147,6 +148,8 @@ aliased IP interfaces.
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.TP
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test-binary = <testbin>
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Execute the given binary to do some user defined tests.
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+With enforcing SELinux policy please use the /usr/libexec/watchdog/scripts/
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+for your test-binary configuration.
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.TP
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test-timeout = <timeout in seconds>
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User defined tests may only run for <timeout> seconds. Set to 0 for unlimited.
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@@ -154,6 +157,8 @@ User defined tests may only run for <timeout> seconds. Set to 0 for unlimited.
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repair-binary = <repbin>
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Execute the given binary in case of a problem instead of shutting down the
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system.
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+With enforcing SELinux policy please use the /usr/libexec/watchdog/scripts/
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+for your repair-binary configuration.
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.TP
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repair-timeout = <timeout in seconds>
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repair command may only run for <timeout> seconds. Set to 0 for 'unlimited', but
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@@ -188,6 +193,7 @@ Set the schedule priority for realtime mode passed to sched_setscheduler().
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.TP
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test-directory = <test directory>
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Set the directory to run user test/repair scripts. Default is '/etc/watchdog.d'
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+The /etc/watchdog.d/ is recognized by SELinux policy.
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See the Test Directory section in watchdog(8) for more information.
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.TP
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log-dir = <log directory>
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@@ -202,23 +208,7 @@ large databases or virtual machines might need longer.
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verbose = <level>
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This overrides the command line \-\-verbose option. Generally the verbose mode is
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only enabled for debugging as it creates a lot of syslog chatter, so use this option
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-with consideration. Zero is "normal" operation (quiet), while 1 is typically used
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-for debugging. Values of 2 or more usually generate far too many messages.
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-.TP
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-heartbeat-file = <filename>
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-For debugging this allows a rolling set of status values to be kept on disk
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-.TP
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-heartbeat-stamps = <interval>
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-For debugging this sets the number of entries in the <heartbeat-file>
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-.TP
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-log-killed-pids = <yes|no>
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-This acts like enabling 'verbose' logging, but only for a system reboot, where it
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-enables the logging of the PID values for all processes that are being killed. The
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-results are written to the killall5.log file in the log directory (if at all
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-possible) in this case.
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-Intended for debugging cases where you would like to know what was running at the
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-point the machine triggered the watchdog, but don't want syslog filling up with the
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-usual chatter of activity.
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+with consideration.
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.SH FILES
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.TP
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.I /etc/watchdog.conf
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