If you are using capistrano you'll need to add something like the following : run "touch /tmp/restart_resque.txt" If not exist then exec "/bin/bash -c 'echo dne > /dev/null'" else if succeeded then exec "/bin/bash -c 'monit stop resque & monit stop resque_scheduler & rm /tmp/stop_resque.txt'" If not exist then exec "/bin/bash -c 'echo dne > /dev/null'" else if succeeded then exec "/bin/bash -c 'monit restart resque & monit restart resque_scheduler & rm /tmp/restart_resque.txt'"Ĭheck file stop_resque path /tmp/stop_resque.txt Newer versions let you do that in a single file : check file restart_resque path /tmp/restart_resque.txt Hello, i have just installed your plugin and it found monit.php and it cant removit. Start program = "/usr/local/bin/resque_stop.sh" Start program = "/usr/local/bin/resque_restart.sh" With old monit you need 2 files : the monitrc script and a restart script : # monitrc file I like that.Īnd well Monit can actually do something similar. We recommend that you do not make your own settings directly in this file. check process nginx with pidfile /var/run/nginx.pid start program. There are numerous sample settings, some of which are commented out, which are self-explanatory, or whose comments contain help texts. First, you need to create a configuration file in the /etc/monit/conf.d/nginx directory. Nginx and other services have been supporting a neat way to restart processes : a simple file existence check. The Monit program can be configured using the /etc/monit/monitrc file. I don't really like that, it stops me from automating or just firing the deploy from somewhere.
MONIT FILE PASSWORD
Yet in some cases monit handles the daemons and their stop / start events.Īs a result, often we require to enter a password to pass the sudo. The heartbeat/pacemaker packages have their own monitor/restart services, and you don't want two different services fighting each other to restart applications.Nowadays we tend to automate a lot of things. If you are running a heartbeat/pacemaker cluster with built-in monitoring, you will not want your monitoring agents to restart the services. Whether or not you decide to implement corrective action on events will depend upon your systems architecture.
MONIT FILE LICENSE
License is a one-time payment (non-reccuring cost) and does not expire.
MONIT FILE PROFESSIONAL
The MMonit package is proprietary software, with support licenses of Basic (eu: 129 - 10 clients), Professional (eu: 229 - unlimited clients), Premium (eu: 998 - unlimited clients - source access). The MMonit package extends the basic (free) monit program by adding a central monitoring service, with historical tracking of events. Monit provides a web interface that can be used to not just query monitor status but to also control the monitoring of configured services. You also noticed that the monitoring program will take corrective action either in the form of restarting the service, or generating an alert. This says that we generate an alert if the load average is greater than 4 for 5 polling cycles.Īs you can see, the configuration file is easy to interpret, human readable. If loadavg (1min) > 4 for 5 cycles then alert This says to timeout the service if it had to be restarted 2 times within 3 polling intervals. One of the features I liked was the ability to use "conditional logic" in determining the alert action. If failed checksum then exec "/watch/dog" Let us create a file for the same in /etc/monit/conf.d directory with the. Edit: As it was brought to my attention by disasteraverted, newer versions of Monit use. Note that you must exec /bin/bash to write the output of echo to /dev/null or monit will literally echo 'dne > /dev/null'. # Run /watch/dog in the case that the binary was changed This blog describes about monitoring applications using monit on the basis. check file testfile with path /path/to/file if not exist then exec '/bin/bash -c echo dne > /dev/null' else if succeeded then alarm. Then exec "/usr/local/apache/bin/apachectl graceful" # Reload apache if the nf file was changed If failed port 80 protocol http then restart If cpu usage > 95% for 3 cycles then restart If 2 restarts within 3 cycles then timeout
Start program = "/etc/init.d/httpd start" with timeout 60 seconds
With pidfile "/usr/local/apache/logs/httpd.pid"
Set alert httpd port 2812 and use address localhostĪllow localhost # Allow localhost to connect Set daemon 120 # Poll at 2-minute intervals What got me interested in monit, besides the fact that it's FOSS, was the easy configuration.
MONIT FILE INSTALL
You may then install mmonit on a central monitoring management server, who will track all targets and report in the form of a nice "green-light/red-light" web interface. It's not an IPMI or SNMP aware monitoring package, but it's simplicity in setup, and built-in services monitoring is appealing for the situations I needed to track. I've been using a very simple monitoring package called Monit.
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