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How To Increase size of /var/tmp and /tmp in CentOS
Published on 26 Jul, 2011 at 16:19 in Server Optimization | | No Comments
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 is already there in crontab to cleanup the temporary data periodically, but I was still getting that error. I looked at the error log and
Protect Your Images with .htaccess Hotlink Protection
Published on 24 Apr, 2011 at 16:16 in Server Optimization | | 11 Comments
One of my clients complained that someone is stealing his bandwidth and asked me if I can do something to stop that. It took me only fifteen minutes to fix the problem. The way someone can literally steal your bandwidth is hot linking images or other downloadable items form your website. When someone hotlink something
vBulletin Server Optimization Tips : Part 1
Published on 30 Dec, 2010 at 23:16 in Server Optimization | | 3 Comments
One of my clients moved his vBulletin powered forum to a dedicated server. The forum was working fine after a successful migration. However, the average server load increased to 15 25 24. He was also experiencing slow page load and connection time out errors. He called me up for help and the server load decreased
How to Install Advanced Policy Firewall (APF)
Published on 23 Nov, 2010 at 23:53 in Server Optimization | | 1 Comment
APF or Advanced Policy Firewall is an iptables (netfilter) based firewall system for Apache Servers running on Linux OS. It’s easy to install and configure if you have root access to your server. It’s a feature rich yet free firewall system available for Linux servers and the best part is you can configure it to
How to Install Mod Pagespeed
Published on 9 Nov, 2010 at 18:07 in Server Optimization | | 2 Comments
mod_pagespeed is a new Apache module from Google and currently at beta stage. It is an open source project and automatically optimizes the websites on a server by applying the Google Pagespeed rules dynamically on the fly. It caches the optimized and minified files (i.e. Images, Javascripts, CSS and HTML) and serves from there. It
