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Containerization with LXC

You're reading from   Containerization with LXC Build, manage, and configure Linux containers

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Product type Paperback
Published in Feb 2017
Publisher Packt
ISBN-13 9781785888946
Length 352 pages
Edition 1st Edition
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Author (1):
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Konstantin Ivanov Konstantin Ivanov
Author Profile Icon Konstantin Ivanov
Konstantin Ivanov
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Table of Contents (10) Chapters Close

Preface 1. Introduction to Linux Containers FREE CHAPTER 2. Installing and Running LXC on Linux Systems 3. Command-Line Operations Using Native and Libvirt Tools 4. LXC Code Integration with Python 5. Networking in LXC with the Linux Bridge and Open vSwitch 6. Clustering and Horizontal Scaling with LXC 7. Monitoring and Backups in a Containerized World 8. Using LXC with OpenStack A. LXC Alternatives to Docker and OpenVZ

Building containers with OpenVZ

OpenVZ is one of the oldest operating-system-level virtualization technologies, dating back to 2005. It is similar to LXC in the sense that it is geared toward running an entire operating system, rather than a single program such as Docker. Being a containerization technology, it shares the host OS kernel with no hypervisor layer. OpenVZ uses a patched version of the Red Hat kernel that is maintained separately from the Vanilla kernel.

Let's explore some of the OpenVZ features and see how they compare to LXC:

For this example deployment, we are going to use Debian Wheezy:

root@ovz:~# lsb_release -rd
Description:      Debian GNU/Linux 7.8 (wheezy)
Release:    7.8
root@ovz:~#

Start by adding the OpenVZ repository and key, then update the package index:

root@ovz:~# cat << EOF > /etc/apt/sources.list.d/openvz-rhel6.list
deb http://download.openvz.org/debian wheezy main
EOF
root@ovz:~#
root@ovz:~# wget ftp://ftp.openvz.org/debian/archive.key
root@ovz...
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