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Once you have configured all of the programs that you want to run, they will be automatically tracked and restarted should they turn off. Stop program = "/etc/init.d/nginx stop" Finish Up Start program = "/etc/init.d/nginx start" Nginx check process nginx with pidfile /var/run/nginx.pid
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Start program = "/etc/init.d/mysql start" MySQL check process mysqld with pidfile /var/run/mysqld/mysqld.pid Stop program = "/etc/init.d/apache2 stop" Start program = "/etc/init.d/apache2 start" with timeout 60 seconds To simply ensure that programs stay online, you can use the /etc/init.d commands to stop or start a program.Īpache: check process apache with pidfile /run/apache2.pid Once the web services are set up, you can begin to input the programs that you want monitored and protected into the "/etc/monit/monitrc" configuration file. Your screen should look something like this. Login with your chosen username and password. You will then be able to access the monit web interface by going to “:2812” Once this is configured, monit should reload and reread the configuration file, and the web interface will be available: monit reload
#Monit set alert password#
Use address 12.34.56.789 # only accept connection from localhostĪllow 0.0.0.0/0.0.0.0 # allow localhost to connect to the server andĪllow admin:monit # require user 'admin' with password 'monit' Once the section is uncommented, write in your server’s IP or domain name as the address, allow anyone to connect, and then create a monit user and password set httpd port 2812 To configure the web interface, find and uncomment the section that begins with set httpd port 2812. Monit comes with it’s own web server running on port 2812. These settings can be altered at the beginning of the configuration file in the set daemon and set logfile lines respectively. By default, it is set up to check that services are running every 2 minutes and stores its log file in “/var/log/monit.log”. Monit is very easy to use nearly out of the box. Typing monit status displays monit’s details: The Monit daemon 5.3.2 uptime: 1h 25mĭata collected Thu, 18:35:00 Configure Monit Monit can be started up with a command that then keeps it running in the background monit Once monit downloads, you can add programs and processes to the configuration file: sudo nano /etc/monit/monitrc
#Monit set alert install#
Monit is easiest to install through apt-get: sudo apt-get install monit This tutorial will cover the most basic setup and configuration. Additionally monit comes with a basic web interface through which all of the processes can be set up. Additionally, you can also view the required capacity planning metrics.Monit is a helpful program that automatically monitors and manages server programs to ensure that they not only stay online consistently, but that the file size, checksum, or permissions are always correct. We support availability status metrics on both count and percentage basis and also support alerts.Ī Root Cause Analysis (RCA) will be generated for every alert and you can view the detailed Outage history of those Servers and analyze the cause in the RCA. In this case, there are only 5 server monitors that are in Available state and the remaining 5 Server monitors are in TROUBLE/CRITICAL/DOWN status, which brings the overall availability to 50%, with 20% monitors in TROUBLE, 10% in CRITICAL and 20% in DOWN status. Consider a scenario where Server1 and Server2 are in TROUBLE status, Server3 is in CRITICAL status, Server4 and Server 5 are in DOWN status. We have released the Capacity Planning beta feature, which provides the analytical data for a group of monitors, and is used to determine the capacity required to optimize your resources for a particular operation or workload.įor instance, if you have a monitor group with 10 servers, you can group all of the servers into one capacity planning and monitor them.