Virtualisation

Openvz on CentOS

cd /etc/yum.repos.d

wget http://download.openvz.org/openvz.repo

rpm --import http://download.openvz.org/RPM-GPG-Key-OpenVZ

yum install ovzkernel

yum install vzctl vzquota

vi /etc/sysctl.conf

net.ipv4.ip_forward = 1

net.ipv4.conf.default.proxy_arp = 0

net.ipv4.conf.all.rp_filter = 1

kernel.sysrq = 1

net.ipv4.conf.default.send_redirects = 1

net.ipv4.conf.all.send_redirects = 0

net.ipv4.icmp_echo_ignore_broadcasts=1

net.ipv4.conf.default.forwarding=1

sysctl -p

reboot

uname -a

cd /vz/template/cache

wget http://download.openvz.org/template/precreated/contrib/centos-5-i386-default.tar.gz

vzctl create 101 --ostemplate centos-5-i386-default --config basic

vzctl set 101 --onboot yes --save

vzctl set 101 --hostname vz1.iol.co.za --save

vzctl set 101 --ipadd 172.20.80.32 --save

vzctl set 101 --numothersock 120 --save

vzctl set 101 --nameserver 168.210.2.2 --nameserver 172.20.80.27 --nameserver 172.20.80.2 --save

vzctl start 101

vzctl exec 101 passwd

vzctl enter 101

Put in /etc/rc.local: route add default gw 172.20.80.2

vzctl set 101 --diskspace 20G:25G --save

vzctl restart 101

less /etc/vz/conf/101.conf