Installing zend optimizer 3.3 in cpanel

Run this command

/scripts/installzendopt 3.3.0
[~]# /scripts/installzendopt 3.3.0
Installing Zendopt
Determining PHP version
Installing Zend Optimizer binary
Activating Zend Optimizer in /usr/local/lib/php.ini
Zend Optimizer activated

[~]# php -v
PHP 5.2.13 (cli) (built: Jul 14 2010 18:00:25)
Copyright (c) 1997-2010 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2010 Zend Technologies
with the ionCube PHP Loader v3.3.20, Copyright (c) 2002-2010, by ionCube Ltd., and
with Zend Optimizer v3.3.9, Copyright (c) 1998-2009, by Zend Technologies

Changing cPanel servers main IP or full IP address pool

Changing main shared server IP.


/etc/sysconfig/network-scripts/ifcfg-eth0
/etc/sysconfig/network
/etc/hosts


Then add the cpanel license to the new IP.
Update cPanel configurations.

replace $oldip $newip -- /var/cpanel/mainip
replace $oldip $newip -- /var/cpanel/userdata/*/*
replace $oldip $newip -- /var/named/*.db
replace $oldip $newip -- /etc/*
service named restart
/scripts/rebuildhttpconf

If you are adding new block IP's

1) Add the IP through the cpanel.
2) /etc/init.d/ipaliases restart