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If failed host localhost port 3306 protocol mysql with timeout 15 seconds for 3 times within 4 cycles then restart
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Start program = "/etc/init.d/mysql start" For example if you want to be notified each fifth cycle if a service remains in a failed state, you can use:Įnable an embedded HTTP interface which can be used to view status of services monitored and manage services from a web interface:Ĭheck process mysqld with pidfile /var/run/mysqld/mysqld.pid Please note that monit by default sends just one email notification if a service failed and another when/if it recovers. Set alert is possible to get only security releated alert using the following syntax:
#Monit log file monitoring how to
See how to use gmail account to relay email from a shell prompt or Postfix as smarthost using an external smptd/cloud email service): Let us edit out /etc/monit/monitrc using a text editor such as vim command or nano command:įirst set alert recipients email address (your Linux box must be configured to route email. Directories for process/server specific files : /etc/monit/conf-available/ and /etc/monit/conf-enabled/.$ sudo systemctl start monit Configuring monit $ sudo systemctl enable monit How do I start/stop/restart monit service? How do I enable monit service at boot time? Processing triggers for ureadahead (0.100.0-19). Processing triggers for man-db (2.7.5-1). Processing triggers for systemd (229-4ubuntu17). 144487 files and directories currently installed.) Selecting previously unselected package monit. Get:1 xenial/universe amd64 monit amd64 1:5.16-2 The following NEW packages will be installed:Ġ upgraded, 1 newly installed, 0 to remove and 0 not upgraded.Īfter this operation, 826 kB of additional disk space will be used. Type the following apt-get command/ apt command: if a DoS attack is in progress) Monit can stop or restart apache and send you an alert message. if sendmail is not running, Monit can start sendmail again automatically or if apache is using too much resources (e.g.
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Monit can act if an error situation should occur, e.g. Network tests can be performed on a protocol level Monit has built-in tests for the main Internet protocols, such as HTTP, SMTP etc. TCP, UDP and Unix Domain Sockets are supported. Monitor network connections to various servers, either on localhost or on remote hosts. It’s like having a watchdog with a toolbox on your server. With all features needed for system monitoring and error recovery. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations. Monit is a small Open Source utility for managing and monitoring Unix systems.