In order to take full advantage of all the features provided by cPanel & WHM,
such as multiple SSL Certificates on a single IPv4 Address,
we highly recommend you use CentOS version 6.
You can force the install on a CentOS version 5 using the –force option.
Removing /root/installer.lock
Burada CentOS 6 kurmanızı tavsiye ediyor.
Çözüm :
rm -f /root/installer.lock
sh latest –force
diyerek tekrar kurulumu deneyin.