Install and configure nagios core 4 on Ubuntu 12.04 LTS

In this tutorial we will install and configure nagios core 4 on Ubuntu 12.04 LTS. Nagios Core 4 has recently been released,at the time of writing this post Nagios core 4.0.2 was available. Nagios is one of the most popular,reliable and robust Monitoring System.You can find number of plugins to monitor the network and server … Read more

Install nagios 4.0.2 in CentOS 6 using tarball

In this tutorial we will learn about how to install nagios 4.0.2 in Linux using tarball.Nagios is one of the famous and very robust Monitoring Server.The installation has been done in minimal installed CentOS 6.4.Recently Nagios team has released its much awaited 4.x version.The installation steps is applicable to other Nagios version also. Details of … Read more

Error: Could not open command file ‘/usr/local/nagios/var/rw/nagios.cmd’ for update!

While installing the Nagios 4.0.2 from tarball I got this issue Error: Could not open command file ‘/usr/local/nagios/var/rw/nagios.cmd’ for update!. The problem was clearly stating about permission issue.Hence we have to only modify the permission and restart the nagios service. The problem was occurring when I was clicking on Re-schedule the next check of this … Read more