Installing LXC

At the time of writing this book, there are two long-term support versions of LXC: 1.0 and 2.0. The userspace tools that they provide have some minor differences in command-line flags and deprecations, which I'll be pointing out as we use them.

Installing LXC on Ubuntu with apt

Let's start by installing LXC 1.0 on Ubuntu 14.04.5 (Trusty Tahr):

1. Install the main LXC package, tooling, and dependencies:

   root@ubuntu:~# lsb_release -dc
   Description:       Ubuntu 14.04.5 LTS
   Codename:          trusty
   
   root@ubuntu:~# apt-get -y install -y lxc bridge-utils 
         debootstrap libcap-dev 
         cgroup-bin libpam-systemdbridge-utils
   root@ubuntu:~#
   

2. The package version that Trusty Tahr provides at this time is 1.0.8:

   root@ubuntu:~# dpkg --list | grep lxc | awk '{print $2,$3}'
   liblxc1 1.0.8-0ubuntu0.3
   lxc 1.0.8-0ubuntu0.3
   lxc-templates 1.0.8-0ubuntu0.3
   python3-lxc 1.0.8-0ubuntu0.3
   root@ubuntu:~# 
   

To install LXC 2.0, we'll need the Backports repository:

1. Add the following...