someone may will borrow me your vps 
i'll try it 
try for upgrade or fresh install? share in here bro so all friends can do
i upgrade on my server working fine
tutorial same with mustafa wrote
B. For Final Release:
# move repo dir
cd /etc/yum.repos.d/
# get repo file -- no need for 6.5.0.c and after
wget https://github.com/mustafaramadhan/kloxo/raw/release/kloxo-mr.repo --no-check-certificate
# move to /
cd /
# install (and then run 'setup.sh' instead 'installer.sh')
yum install kloxomr
# better reboot
reboot
but i'll try fresh install

but i dont have any server again

maybe you will borrow me ?
just for test. please send detail to me