How to create LVM with four disks on CentOS 7 linux

In this article we will show you how to create LVM with four disks on CentOS 7 linux. As you may know, LVM is like “dynamic partitions”, meaning that you can create/resize/delete LVM “partitions” (they’re called “Logical Volumes” in LVM-speak) from the command line while your Linux system is running: no need to reboot the […]

How to install WHMCS 7.7.1 on CentOS 7 Linux

As you may know, WHMCS is the leading web hosting management and billing software that automates all aspects of your business from billing, provisioning, domain reselling and etc. In this article, we are going to install WHMCS 7.7.1 on CentOS 7.6. We assume you have a valid WHMCS license and have downloaded its package from […]

How to install CSF on CentOS 7 Linux

In this tutorial, we are going to install CSF on Centos7 Linux. CSF is a great Stateful Packet Inspection (SPI) firewall, Login/Intrusion Detection and Security application for Linux servers. we use latest version of csf. CSF as a lot of great features like: SSH login notification SU login notification SYN Flood protection Ping of death […]

Database replication with mariadb on CentOS 7 linux

In this tutorial, we are going to show you how to setup an active-active three-nodes database replication with mariadb on centos 7 linux.active-active database replication means that two servers exchange update information bidirectional. also arbitrator is a server that will refree between two masters when there is a problem between them about who has lastest […]