Install and use LXC

Install LXC

$ sudo apt install lxc

Manage containers

Create container

$ sudo lxc-create -n test-container -t ubuntu

Interactive setup

$ sudo lxc-create -t download -n name

Scripted setup

$ sudo lxc-create -t download -n u1 -- --dist ubuntu --release xenial --arch amd64

Show all LXC containers

$ sudo lxc-ls --fancy

Start container

$ sudo lxc-start --name <container_name> --daemon

or

$ sudo lxc-start -n <container_name> -d

Stop container

$ sudo lxc-stop --name <container_name>

or

$ sudo lxc-stop -n <container_name>

Enter container

$ sudo lxc-attach -n <container_name>

Show details about a container

$ sudo lxc-info --name <container_name>

Destroy a container

$ sudo lxc-destroy --name <container_name>

Configuration

Enable SSH

$ sudo apt install openssh-server

Add user

$ sudo adduser <username>

Add the user to the sudo group

$ sudo adduser <username> sudo

Set Autostart

$ sudo vim /var/lib/lxc/lxctest/config

and insert

lxc.start.auto = 1

Enable autocompletion

1. Do this:

$ sudo vim /etc/bash_completion

and insert

. /usr/share/bash-completion/bash_completion

2. Then this:

$ sudo vim /usr/share/bash-completion/bash_completion

Copy paste this from another Ubuntu machine

3. reboot and log in again

This article is not complete, some completions don't work.

See container status

$ sudo lxc-ls --fancy -F NAME,STATE,PID,RAM,SWAP,AUTOSTART,GROUPS,INTERFACE,IPV4,IPV6

Enter container as normal user

$ sudo lxc-console -n <container_name>

Additional info

Click link