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How to Install OpenVZ on EndeavourOS Latest?

OpenVZ is a free and open-source container-based virtualization solution that allows you to create multiple isolated Linux containers on a single physical server. In this tutorial, we will guide you through the steps of installing OpenVZ on EndeavourOS Latest.

Prerequisites

Before you begin with the installation process, make sure you have the following:

• A running instance of EndeavourOS Latest with an active internet connection.
• Root privileges or a user account with sudo (superuser) access.

Step 1: Update Your System

Make sure your system is up to date by running the following command.

sudo pacman -Syu

Step 2: Install Required Packages

To install OpenVZ, we need to install some required packages first. Run the following command to install them.

sudo pacman -S bridge-utils wget mt-st vzctl1 vzquota1

Step 3: Enable Required Kernel Modules

OpenVZ requires some kernel modules to run. Use the following command to load the required modules.

sudo modprobe nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_conntrack ip_tables iptable_filter ip6_tables xt_state iptable_nat iptable_mangle iptable_raw iptable_security

Then, add these modules to the /etc/modules-load.d/modules.conf file:

echo nf_nat_ipv4 >> /etc/modules-load.d/modules.conf
echo nf_nat >> /etc/modules-load.d/modules.conf
echo nf_conntrack_ipv4 >> /etc/modules-load.d/modules.conf
echo nf_conntrack >> /etc/modules-load.d/modules.conf
echo ip_tables >> /etc/modules-load.d/modules.conf
echo iptable_filter >> /etc/modules-load.d/modules.conf
echo ip6_tables >> /etc/modules-load.d/modules.conf
echo xt_state >> /etc/modules-load.d/modules.conf
echo iptable_nat >> /etc/modules-load.d/modules.conf
echo iptable_mangle >> /etc/modules-load.d/modules.conf
echo iptable_raw >> /etc/modules-load.d/modules.conf
echo iptable_security >> /etc/modules-load.d/modules.conf

Step 4: Download OpenVZ Repository Key and Add It to the System

Download the OpenVZ repository key and add it to your system by running the following commands.

sudo wget -O /etc/pacman.d/akey.asc https://download.openvz.org/RPM-GPG-Key-OpenVZ
sudo pacman-key --add /etc/pacman.d/akey.asc
sudo pacman-key --lsign-key F97D90E910FDC6B1DCABB51DBA9F88C6C4737688
sudo rm -f /etc/pacman.d/akey.asc

Step 5: Add OpenVZ Repository to Pacman

Add the OpenVZ repository to your Pacman configuration file (/etc/pacman.conf) by adding the following lines at the end of the file.

[openvz]
Server = https://download.openvz.org/container/utils

Then, update the package list by running the following command.

sudo pacman -Sy

Step 6: Install OpenVZ Kernel and Tools

Now, install the OpenVZ kernel and tools by running the following command.

sudo pacman -S linux-vz vzctl vzquota

Step 7: Configure OpenVZ

OpenVZ requires some configuration before you can start using it. First, create a configuration file using the following command.

sudo mkdir /etc/vz/conf
sudo touch /etc/vz/conf/ve-vswap-solusvm.conf

Then, edit the configuration file and add the following lines.

## UBC parameter for VE

## numproc is the number of processes available to a VE.
## numproc barrier is a limit of numproc inside a VE.
## Filtering set to 256000 is enough to cope with DDOS attacks up to 20-25 mln pps.
#NUMPROC="256000:256000"
#NUMPROC_BARRIER="256000:256000"

## numtcpsock is the number of TCP sockets available to a VE.
## numtcpsock barrier is a limit of numtcpsock inside a VE.
## Filtering set to 128000 is enough to cope with DDOS attacks up to 20-25 mln pps.
#NUMTCPSOCK="128000:128000"
#NUMTCPSOCK_BARRIER="128000:128000"

## numothersock is the number of non-TCP sockets available to a VE.
## numothersock barrier is a limit of numothersock inside a VE.
#NUMOTHERSOCK="128000:128000"
#NUMOTHERSOCK_BARRIER="128000:128000"

## numfile is the number of files available to a VE.
## numfile barrier is a limit of numfile inside a VE.
#NUMFILE="1000000:1000000"
#NUMFILE_BARRIER="1000000:1000000"

## Swapping parameter for VE
## OOMGUARPAGES is the guaranteed virtual memory limit. When a fork cannot be
## fulfilled due to lack of memory and no further memory is available, the OOM killer
## rips in and selects a process to be killed. The OOM killer is doing the best
## it can to select the one that is the least important. By optimizing your
## software to use less memory, you are less likely to ever hit OOM.
## VMGUARPAGES is the limit of the virtual memory. If the limit is reached, the
## system just denies to allocate further memory.
#PHYSPAGES="0:2147483648"
#AVNUMPROCS="400:400"
#NUMIPTENT="20000:22000"
#DISKSPACE="0:0"
#DISKINODES="2000000:2200000"
#SWAPPAGES="0:2147483648"
#OOMGUARPAGES="262144:9223372036854775807"
#VMGUARPAGES="262144:9223372036854775807"
#KMEMSIZE="259522560:267386880"
#LOCKEDPAGES="524288:524288"
#PRIVVMPAGES="0:9223372036854775807"
#SHMPAGES="0:9223372036854775807"
#DCACHESIZE="0:9223372036854775807"
#NUMFLOCK="200:220"
#NUMPTY="127:255"
#NUMSIGINFO="128:128"
#TCPSNDBUF="112640:4194304"
#TCPRECVBUF="112640:4194304"
#OTHERSOCKBUF="16384:87380"
#

Step 8: Start OpenVZ

Finally, start the OpenVZ services by running the following commands.

sudo systemctl enable vz
sudo systemctl start vz

Congratulations! You have successfully installed OpenVZ on EndeavourOS Latest. You can now create and manage containerized environments using OpenVZ.

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