How to Install and Configure Nagios in CentOS Today, We will learn How to Install and Configure Nagios in CentOS. Nagios is best monitoring tools and nagios offers monitoring and alerting for servers, switches, application, and services. It alerts users when things go wrong and alerts them again when the problem … Continue reading
Linux server load monitor Commands The load average tries to measure the number of active processes at any time. High load averages usually mean that the system is being used heavily and the response time is correspondingly slow. The server load is influenced by memory usage, CPU usage, size of … Continue reading
How to install gd library in php GD is an open source code library for the dynamic creation of images by programmers. The GD library is used for dynamic image creation. From PHP we use with the GD library to create GIF, PNG or JPG images instantly from our code. … Continue reading
date cannot set date Operation not permitted Upon installation of an OpenVZ container (VE/Virtual Environment) I was unable to set the date, and the time-zone was incorrect. date cannot set date Operation not permitted attempts to set the date resulted in the following error. This post explains how to solve … Continue reading
Exim Basic information Exim Basic information has given in this post. Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet. Exim is a very full-featured mail server. It is suitable for most sites, although very small sites … Continue reading