CPanel utilizes a script called “optimizefs” that removes the atime attribute from certain files on the system. For larger servers, this can create a lot of i/o load for a problem that can be fixed simply by mounting your file systems with the noatim Metabolic Masterpiece e flag if your file system is ext2 or…
Read moreWhen hosting websites, whether as a mainstream hosting provider, a hobby, or to supplement another service, it’s your job to make sure your customers have access to technical support in case they need help. Customer support is one of the highest expenses that a web host can encounter. Just my making a few small changes,…
Read moreI wrote this nice one-liner for a user in the cPanel forums asking how to change all their current default addresses to :fail: – http://thecpaneladmin.com/files/changedefaultaddr.sh.txt Before you do anything like this, you should back up /etc/valiases. Keep in mind also that you can change the default address for new accounts in WHM > Tweak Settings.…
Read moreA common question we get from cPanel administrators is whether it’s Ok to remove /home/.cpan since, on many servers, it tends to grow to a size exceeding 1G. The short answer is yes – installation files. If you find that yours is occupying too much disk space, delete it, and run the following commands: perl -MCPAN…
Read moreFtp is easy to configure on a cPanel server using WHM or the pureFTP configuration file. The FTP service configuration in WHM is a no-brainer, but for those looking to set up FTP from command line (such as for automation purposes), you can use cPanel’s built-in template system to apply configuration options that will not…
Read moreUpdate: As of cPanel 11.4x, Roundcube only supports SQLite. cPanel 11.25 introduces a new feature: The ability to have RoundCube use SQLite instead of MySQL. After benchmarking resource usage and performance, I’ve come to the conclusion that SQLite is definitely the best way to go for Roundcube. Having trou Duplicate File Cleaner ble making the…
Read moreIf you have a server with single standalone drives, you may have considered the possibility of adding additional hard drives to provide more disk capacity to your system. Luckily, this is very easy to set up and use with cPanel. First things first, I’ll assume that you already have the hard drive physically installed in…
Read moreThere may come a point in time where you need to change the shared IP address of a server, with little to no interruption in service for your users. This guide will show you how to change the shared IP of your cPanel server with the method I’ve used in the past. This is intended…
Read moreIt was announced by cPanel on April 14, 2010 that cPanel 11.25.1 will include a new database mapping feature that’s been long requested: the removal of cPanel username prefixes from the database names. This is a non-reversible, opt-in feature that some hosts may find very valuable. But is it a feature that you need? Who…
Read moreThis article will not go into detailed technicalities on identifying, troubleshooting, tracing, and fixing hacks. These topics are far too broad to cover in a single article, and is outside the scope of this article’s intent. This guide is to help you, the system admin, come up with a plan to handle situations involving breached…
Read more