WRT Router Series Monit: Difference between revisions

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If configured in the manner described in the Configuration File(s) for Monit Service section, each of the following example can be placed in a separate text file in the /etc/monit.d directory.

Apache Example;<syntaxhighlight lang="text">

Apache Example;

check process httpd with pidfile /tmp/run/apache2/httpd.pid

start program "/etc/init.d/apache2 start"

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restart program "/etc/init.d/apache2 restart"

if 5 restarts within 5 cycles then timeout

</syntaxhighlight>BIND / NAMED Example;

</syntaxhighlight>

BIND / NAMED Example;

DHCPC Example

MySQL Example

check process named with pidfile /tmp/run/named/named.pid

start program "/etc/init.d/named start"

stop program "/etc/init.d/named stop"

restart program "/etc/init.d/named restart"

if failed host 192.168.2.1 port 53 type tcp protocol dns then restart

if failed host 192.168.2.1 port 53 type udp protocol dns then restart

if 5 restarts within 5 cycles then timeout

</syntaxhighlight>

DHCPC Example;

check process dhcpd with pidfile /tmp/run/dhcpd.pid

start program "/etc/init.d/dhcpd start"

stop program "/etc/init.d/dhcpd stop"

restart program "/etc/init.d/dhcpd restart"

if failed host 192.168.2.1 port 67 type udp then restart

if 5 restarts within 5 cycles then timeout

</syntaxhighlight>

MySQL Example;

check process mysqld with pidfile /tmp/run/mysqld/mysqld.pid

start program "/etc/init.d/mysqld start"

stop program "/etc/init.d/mysqld stop"

restart program "/etc/init.d/mysqld restart"

if failed unixsocket /tmp/run/mysqld/mysqld.sock then restart

if 5 restarts within 5 cycles then timeout

</syntaxhighlight>

===Notifications & Alerts===

The Monit service can also send email notifications and alerts. This can get annoying over time, but it is useful if troubleshooting or monitoring a process. The annoyance can also be "reigned in" to a certain degree.

@@ Line 33: / Line 33: @@
 If configured in the manner described in the Configuration File(s) for Monit Service section, each of the following example can be placed in a separate text file in the /etc/monit.d directory.
-Apache Example;<syntaxhighlight lang="text">
+Apache Example;
+<syntaxhighlight lang="text">
 check process httpd with pidfile /tmp/run/apache2/httpd.pid
 start program "/etc/init.d/apache2 start"
@@ Line 39: / Line 40: @@
 restart program "/etc/init.d/apache2 restart"
 if 5 restarts within 5 cycles then timeout
-</syntaxhighlight>BIND / NAMED Example;
+</syntaxhighlight>
+BIND / NAMED Example;
-DHCPC Example
+<syntaxhighlight lang="text">
+<syntaxhighlight lang="text">
-MySQL Example
+check process named with pidfile /tmp/run/named/named.pid
+start program "/etc/init.d/named start"
+stop program "/etc/init.d/named stop"
+restart program "/etc/init.d/named restart"
+if failed host 192.168.2.1 port 53 type tcp protocol dns then restart
+if failed host 192.168.2.1 port 53 type udp protocol dns then restart
+if 5 restarts within 5 cycles then timeout
+</syntaxhighlight>
+DHCPC Example;
+check process dhcpd with pidfile /tmp/run/dhcpd.pid
+start program "/etc/init.d/dhcpd start"
+stop program "/etc/init.d/dhcpd stop"
+restart program "/etc/init.d/dhcpd restart"
+if failed host 192.168.2.1 port 67 type udp then restart
+if 5 restarts within 5 cycles then timeout
+</syntaxhighlight>
+MySQL Example;
+<syntaxhighlight lang="text">
+check process mysqld with pidfile /tmp/run/mysqld/mysqld.pid
+start program "/etc/init.d/mysqld start"
+stop program "/etc/init.d/mysqld stop"
+restart program "/etc/init.d/mysqld restart"
+if failed unixsocket /tmp/run/mysqld/mysqld.sock then restart
+if 5 restarts within 5 cycles then timeout
+</syntaxhighlight>
 ===Notifications & Alerts===
 The Monit service can also send email notifications and alerts.  This can get annoying over time, but it is useful if troubleshooting or monitoring a process.  The annoyance can also be "reigned in" to a certain degree.