Performance Tip: Disable Optimizefs

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…

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Mass Change Default (Catch All) Addresses

I 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.…

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Command Line PureFTP Configuration on cPanel

Ftp 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…

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Roundcube: MySQL or SQLite?

Update: 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…

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Managing Multiple Hard Drives with cPanel

If 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…

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Changing an FTP User’s Path

By default, your main FTP (cPanel) user will have and FTP path to the user’s home folder, and each FTP user you create after that will have a path that you specify with you create the account in cPanel > FTP accounts. Unfortunately, cPanel’s interface does not currently let you change the FTP paths for…

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Accessing cPanel Through A Firewall

There’s been a long-standing issue from a hosting provider’s point of where cPanel runs on abnormal ports, causing users behind firewalls to be unable to access cPanel. At first, there was cpanelproxy.net which offered (at that time) an automated script that users could install on their hosting accounts to route cPanel traffic over port 80.…

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Setting Up Wildcard DNS with cPanel

Wildcard DNS allows a server to display and combination of subdomains for a website. For example, wildcard DNS for thecpaneladmin.com will allow any subdomain to resolve to this website, even if they have not been specifically created. Subdomains th The 24 Hour Sinus Breakthrough! at have been created individually in cPanel will still route to…

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