• Execute “uname -i” to get the OS arch so that you can download the appropriate installer package.

[root@server ~]# uname -i
x86_64

• Run “cat /etc/redhat-release” to check the name & version of the OS installed

[root@server ~]# cat /etc/redhat-release
CentOS release 5.2 (Final)

• Run the following 3 commands, to check if Apache, PHP & MySQL are preinstalled by the OS:

[root@server ~]# rpm -qa | grep -i http
[root@server ~]# rpm -qa | grep -i php
[root@server ~]# rpm -qa | grep -i mysql

• If the above are found to be installed [most of the time they are] by the OS, they conflict with the applications Plesk installs, hence remove them using…

[root@server ~]# yum remove http*
[root@server ~]# yum remove php*
[root@server ~]# yum remove mysql*

• Check SELinux status, we have it disabled but still… execute “getenforce” it should say “Disabled” or “Not enforcing“. If it’s enforcing, disable it by executing: “setenforce 0“.

root@server [~]# getenforce
Disabled

Change your working directory to where you want to download the Auto-installer utility:

[root@server ~]# mkdir /root/plesk
[root@server ~]# cd /root/plesk

[root@server ]# wget plesk_auto_installer_link

You can get the link from plesk website.

Eg : http://www.parallels.com/download/plesk9

[root@server ]# chmod +x plesk_auto_installer_file_name

[root@server plesk]# ./plesk_auto_installer_file_name

Read installation notes displayed on the screen and type ‘n’ to proceed to the next screen. Press ENTER.

Select the product versions that you want to install: type the number corresponding to the product version you need and press ENTER, then type ‘n’ and press ENTER to continue.