How to install OpenVZ on ubuntu 20.4

How To Install OpenVZ On Ubuntu 20.4


1. Add OpenVZ Repository

Switch to root user:

sudo su

First, we will add OpenVZ Repository.

cat << EOF > /etc/apt/sources.list.d/openvz-rhel6.list
deb wheezy main
# deb wheezy-test main

Import OpenVZ GPG key:

apt-key add archive.key


2. Install OpenVZ kernel

Update software sources using command:

sudo apt-get update

Now, install OpenVZ kernel:

apt-get install linux-image-openvz-amd64

Or, if you still have i686:

apt-get update && apt-get install linux-image-openvz-686


3. Setting up Kernel parameters

Make sure you have added the following kernel parameters before logging into vz kernel.

vi sysctl.conf

Add the following lines:

# On Hardware Node we generally need
# packet forwarding enabled and proxy arp disabled
net.ipv4.ip_forward = 1
net.ipv6.conf.default.forwarding = 1
net.ipv6.conf.all.forwarding = 1
net.ipv4.conf.default.proxy_arp = 0

# Enables source route verification
net.ipv4.conf.all.rp_filter = 1

# Enables the magic-sysrq key
kernel.sysrq = 1

# We do not want all our interfaces to send redirects
net.ipv4.conf.default.send_redirects = 1
net.ipv4.conf.all.send_redirects = 0


5. Install OpenVz usage statistics tools

The following tools to be installed to gather the OpenVZ usage statistics.

apt-get install vzctl vzquota ploop vzstats

→ reboot

While creating VMs, make sure you have the same subnet on both physical and virtual machine. If you want to use different subnet, you have to edit /etc/vz/vz.conf file,

vi /etc/vz/vz.conf

Find and uncomment the line:


And, change it to: