Installing OpenVZ
OpenVZ is operating system-level virtualization based on a modified Linux kernel that allows a physical server to run multiple isolated instances known as containers, virtual private servers (VPS), or virtual environments (VE).
Installing OpenVZ on a CentOS 4 or CentOS 5
Download - http://download.openvz.org/openvz.repo
Import the OpenVZ key
rpm –import http://download.openvz.org/RPM-GPG-Key-OpenVZ
Install the OpenVZ kernel
Depending on which kernel arch you want, simply do:
yum install ovzkernel.i386
or
yum install ovzkernel.x86_64
Reference - http://download.openvz.org/doc/OpenVZ-Users-Guide.pdf
1) Examine /etc/grub.conf to ensure the desired kernel is set to be the default,
2) Edit the /etc/sysctl.conf to enable some kernel features that are needed for OpenVZ and
3) Make sure SELINUX is disabled.
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