Archive | Hosting Tech (Cpanel/Linux)

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Tech Help Blog for Hosting applications. Linux, CentOs, Apache, CPanel, PHP, mySQL & more.

mySQL Optimisation in Windows IIS or Linux / CPanel platforms

Learn how to optimise mySQL in Windows or Linux/CPanel with this informative video by CPanel themselves!


WordPress Fatal error: Allowed memory size of issue and how to fix it

So I have run into this issue with some wordpress sites more often of late, I guess shared hosting servers or similar are tightening their reign on memory allocation? In any case, funnily enough, as I went to post this very post I received the same Fatel error on TechHelp Blog!! So I had to perform my […]


How to install ImageMagick on CPanel plus How to install Imagick on CPanel as a PECL Package from WHM

Learn how to install ImageMagick on CPanel using Shell/Console and the CPanel Script. Also how to install Imagick on CPanel using WHM module installer


How to limit processes or memory usage per user based on time and memory in CPanel using CSF

So here it is, how to limit processes or memory usage on a CPanel server based on time or total memory consumption per user account using Config Server Firewall (CSF)


How to enable Gzip Compression with mod_deflate on CPanel Servers

Gzip will compress the content on the server delivering a much smaller file size to the browser where it is uncompressed and served as per normal, this reduces bandwidth and in most cases drastically reduces the viewing time of your websites.


How to configure domain specific relay hosts in exim using remote_smtp with CPanel

So you have, for whatever reason, a requirement to send all mail from CPanel server x addressed to * via a specific smtp server. I recently ran into this issue and found a relatively simple fix. Unlike Microsoft Exchange and its easy UI where you can create a send connector with a bunch of prerequisites, […]


How to Secure SSH on CPanel and restrict to specific hosts

What I tend to do is restrict ssh to protocol 2 to start with, then change the listening port for ssh and lastly utilize CPanel’s built in hosts access control to restrict what sources are able to access ssh.


Configuring AXFR using ACL’s with BIND/NSD on CPanel

From time to time my configuration of CPanel Hosting servers requires the ability to allow a Windows  (or other) style DNS server to retrieve hosted dns zones from the hosting server. As default AXFR is blocked with Bind/NSD on a CPanel box, and with good cause! My configuration in an environment where Windows DNS servers […]