A customer wanting to do basic monitoring , i had a google and found the following script which is very handy. #!/bin/bash # # Script to notify admin user if Linux,FreeBSD load crossed certain limit # It will send an email notification to admin. # # Copyright 2005 (c) nixCraft project # This is free…
Anyone who has hosted peoples websites before, has had either a blog hacked, or some guy thinking he is going to send mass mailouts using PHP or similar happen. Its extremely hard to trackdown and deal with, and yet it can get your server listed at spam service denying legitimate email from getting through. This…
We recently discovered that the way we install a VPS differs slightly from the usual CD install. This is not something we do specifically but something that can be improved on in the set-ups of CentOS5.3. When you install from a CD it automatically enables MD5 encryption in passwords (which should be the norm), however…
Need an init script for a Java service? Like tomcat, liferay, or jboss? Regular Linux init scripts often don’t work so well. e.g. Java apps typically want to be run by a particular user (e.g. tomcat or liferay). e.g. They may require a ‘special’ shutdown mechanism (e.g. with Tomcat sending a signal to a particular…