Nagios event handlers for NRPE
I used to use custom scripts to monitor services and get alerts of failures till Bas Moussa introduced me to Nagios. Monitoring and self-healing has been flowers and rainbows since. Nagios event handlers allow you to put in place measures to self-heal your services. The Nagios documentation on setting them up is superb. How do […]
How to update your local yum repo
There are a number of Ā great resources on how to set-up a local yum repo. This one from Digital Ocean is particularly good: https://www.digitalocean.com/community/tutorials/how-to-set-up-and-use-yum-repositories-on-a-centos-6-vps How though do you update the said yum repo? I needed to upgrade bash on some hosts to protect them against being ShellShock-ed.Ā This required anĀ upgrade toĀ theĀ local repo from which all these […]
Run a Java Application as a linux service
I needed to run a Java program as a service on a server running RHEL. I used the script below to get it working. I got direction from 1. http://stackoverflow.com/questions/11203483/run-a-java-application-as-a-service-on-linux 2. http://www.apexninjas.com/blog/2011/02/start-java-program-as-linux-daemon/ and 3. http://fedoraproject.org/wiki/Packaging:SysVInitScript#Initscript_template The third link provides a detailed explanation on init scripts; I recommend that, at the very least, you skim through […]