Month: May 2013

Load Balancing with DNS

Introduction: A DNS based approach is a classical approach to sharing the load between multiple servers. DNS responds to domain name look-up requests issued by clients and returns the corresponding...

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Drupal.Org Resets 1 Million Passwords After Data Breach

The distributors of the popular open-source content-management framework Drupal are resetting the passwords of nearly 1 million user accounts after hackers gained unauthorized entry to sensitive user data, including email...

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How to Install Postfix on CentOS 6

About Postfix Postfix is free open source Mail Transfer Agent which works to route and deliver email. Cyrus is a server that helps organize the mail itself. Step One —Install...

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How To Define Nagios Contacts With Email

Nagios is one of the best open source server and network monitoring solutions available.  Using the flexible nagios framework, you can monitor pretty much anything (including database and custom application)....

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How To Install Nagios On CentOS 6

Step 1 – Install Packages on Monitoring Server rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm yum -y install nagios nagios-plugins-all nagios-plugins-nrpe nrpe php httpd chkconfig httpd on && chkconfig nagios on...

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How To Increase size of /var/tmp and /tmp (Centos)

I was frequently getting an error message that the /var/tmp directory in one of my cPanel CentOS 5.5 server is full and I need to delete some data. A cronjob...

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Installing and configuring FFmpeg and FFpeg-Php

FFMPEG is a complete solution to record, convert and stream audio and video segments. It includes libavcodec, the leading audio/video codec library. NOTES: This guide had been used effectively on several...

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CentOS 6 – MySQL Server & PHPMyAdmin

Install and Configure Notes If you already have MySQL installed from the yum repositories, then you won’t be able to follow this guide as your MySQL version is too old....

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CentOS 6 – Apache Web Server

Install, Configure and Secure Environment Fresh install of CentOS-6.3-x86_64-minimal with the latest updates yum update -y # uname -sro Linux 2.6.32-279.22.1.el6.x86_64 GNU/Linux I used nano as the text editor, but you can just as easily...

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Clear Memory Cache on Linux Server

By default the Linux OS has a very efficient memory management process that should be freeing any cached memory on the machine that it is being run on. However when...

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