Jun 21, 2013
Monitoring Filesystem Events with incron on RHEL 6
Have you ever wanted to know when a file is changed or accessed by the system or user? There is a program that does just that task called Inotify cron (incron). Incron is for monitoring filesystem activity. It consists of a daemon and a table manipulator. You can use it a similar way as the regular cron. The difference is that the inotify cron handles filesystem events rather than time periods incron... read more
Sep 20, 2012
Windows 2008 R2 Cluster Report with PowerShell
You know how it is, manager love reports and really we geeks like some reports as well. Recently I was tasked to generate a health check report for some of the Windows 2008 R2 Active / Passive clusters using PowerShell. With Windows 2008 R2 cluster Microsoft has provided FailoverClusters modules as well as the deprecated cluster command. There is no per say report to check for a status on clusters. Using... read more
May 20, 2012
Installing Nagios Part 2 – The Agents
In following with a previous post on installing Nagios we are ready to move to installing the agents. In particular Linux, Solaris 10 and Windows agents to allow Nagios to do what it does best and monitor. Linux For my installation I am using CentOS 6.2 for which the EPEL repository has all the packages I need for NRPE and Nagios Plugins. # yum search nagios nagios.x86_64 : Nagios monitors hosts and... read more
Apr 14, 2012
Multiple Nagios Instances on a Single Server
In this post I will cover how to run Multiple Nagios Instances on a Single Server. This will take a single installation of Nagios and allow you to run separate instances as you would to separate out different environments, such as production, development, certification, etc…. It allows for flexibility of configurations and allows Nagios to run faster for checks and execution. This installation... read more
Apr 3, 2012
Monitoring CPU temp on Fedora
recently found the need to monitor CPU temp on a Fedora 16 install. $ sudo yum install lm_sensors Once installed we need to configure lm_sensors. Run the command $ sudo sensors-detect You will be prompted with questions, accepting the defaults will work $ sudo sensors-detect # sensors-detect revision 5946 (2011-03-23 11:54:44 +0100) # System: Gigabyte Technology Co., Ltd. EP45C-DS3R This program will help... read more
