Linux templates

A template is a script allowing to populate a container’s pseudo-filesystem for it to run a given Linux distribution.

To display a template’s options:

$ lxc-create -t <template> -h

For more information:

$ emacs /usr/share/lxc/templates/lxc-<template>

Useful commands

List existing containers and their network address (if running):

$ lxc-ls --fancy

NAME                STATE   AUTOSTART GROUPS IPV4       IPV6
example-centos-test RUNNING 0         - -
example-ubuntu-test RUNNING 0         - -

Container lifecycle

CentOS 7

Prerequisite: yum

$ lxc-create -t centos -n example-centos-test -- -R 7
$ lxc-start -n example-centos-test
$ lxc-attach -n example-centos-test
# do something with the container
$ lxc-stop -n example-centos-test
$ lxc-destroy -n example-centos-test

Debian 8

Prerequisite: debootstrap

$ lxc-create -t debian -n example-debian-test
$ lxc-start -n example-debian-test
$ lxc-attach -n example-debian-test
# do something with the container
$ lxc-stop -n example-debian-test
$ lxc-destroy -n example-debian-test

Ubuntu 16.04

Prerequisite: debootstrap (recent version)

$ lxc-create -t ubuntu -n example-ubuntu-test -- -r xenial
$ lxc-start -n example-ubuntu-test
$ lxc-attach -n example-ubuntu-test
# do something with the container
$ lxc-stop -n example-ubuntu-test
$ lxc-destroy -n example-ubuntu-test