Monitoring Tomcat via JMX–Lessons Learned: Part 1

Requirement : monitoring vital Tomcat statistics such as active & idle threads, memory consumption and so on. JMX (java monitoring extensions) is quite well documented – so a google search should bring you up to speed, but in a nutshell, JMX is almost like a java-centric SNMP. Java app developers can make certain attributes such … Continue reading Monitoring Tomcat via JMX–Lessons Learned: Part 1

Linux script for automatic notification of failed download

Scenario: We need a CentOS machine to periodically automatically download a file from a remote server on the internet. If this download fails for any reason, the network admin should be emailed to investigate further. Resolution: A simple cron job can be used which executes a download script. The following script was used: #!/bin/bash wget … Continue reading Linux script for automatic notification of failed download