cPanel: Fix SMTP Error 535 Incorrect Authentication Data
The SMTP error 535: Incorrect authentication data on cPanel servers typically means a PHP script, contact form, or mail ...
cPanel: How to Increase Tomcat JVM Heap Memory Size
If Tomcat-based Java applications on your cPanel server are running slowly, throwing OutOfMemoryError, or crashing under load, the default ...
Installing Zimbra Mail Server on CentOS 7 / AlmaLinux
This guide covers installing Zimbra Collaboration Server on CentOS 7 / RHEL 7. Note: Zimbra 8.6 is EOL. The ...
cPanel/WHM Transfer: Fix “This System Already Has a Database Owner Named” Error
When transferring a cPanel account to a new server via WHM's Transfer Tool, you may encounter: "This system already ...
Legacy PHP mongo Extension: Installation Guide and Migration to mongodb
The legacy mongo PHP extension was the original driver for connecting PHP to MongoDB. It was officially deprecated in ...
How to Install the MongoDB PHP Extension on CentOS / AlmaLinux (+ cPanel)
The MongoDB PHP Extension (mongodb) allows PHP applications to connect to and query a MongoDB database. This guide covers ...
Essential Exim Mail Server Commands: The Complete Admin Reference
Exim is the default Mail Transfer Agent (MTA) on cPanel servers and many other Linux hosting environments. This reference ...
