Zimbra Mail Server

How to block a domain in Zimbra

To block all emails form a specific domain in zimbra, run following commands as user zimbra (su – zimbra). To


WordPress Redirect Visitor On 404 Error

WordPress shows a 404 page when visitor navigate to a non existent page. To redirect visitor to a specific page,


Install Yarn Package Manager

Yarn is a package manager for JavaScript like npm. It is commonly used for managing dependencies for Node.js applications, but

How to Recover MySQL Table Structure from .frm File

To recover MySQL table structure from .frm file, you can use dbsake. You can find dbsake documentation at http://dbsake.readthedocs.org/en/latest/. To


How to Disable apt Ubuntu Pro Advertisement

On running apt upgrade on Ubuntu 20.04 and newer, Ubuntu shows advertisement abour Ubuntu Pro subscription. To disable the Ubuntu

Plesk Backup

To bakcup a site using SSH, login to server as user root, run the command



To display the effect of rule set changes, use Flush rules


Set unlimited resources for a user in cloudlinux

To set unlimited resources for a user in cloudlinux, run the following command: Back to cloudlinux


Install MATE desktop with xrdp on Ubuntu Server

Login to ubuntu server using SSH and run the following command to install MATE desktop environment Create a normal user.

Install Memcached on cPanel Server

Install Memcached on cPanel Server

Login to WHM as user root, go to Terminal or login to SSH as user root. Then run the command

How to whitelist a hostname in CSF firewall

Firewalls usually allow or block IP addresses. If you need to allow a hostname, you need to find the IP

How to add physical volume and resize LVM

I have a LVM partition that uses 3 physical drives. I need to increase size of this LVM partition by