Introduction
In this article, we will explore how to use LXC containers to create full desktop Linux guests, similar to virtual machines (VMs), using Fedora Workstation as an example. LXC containers, also known as Linux containers, provide a lightweight and efficient way to run multiple isolated Linux systems on a single host. They share the host's kernel, making them more efficient than traditional VMs.
Prerequisites
Before we begin, make sure you have the following prerequisites:
- A Linux host with graphical hardware acceleration
- Fedora Workstation installed on the host
- Basic knowledge of Linux and container technology
Installing LXC
To install LXC on Fedora Workstation, run the following command:
sudo dnf install lxc lxc-templates
Creating a Container
To create a new container, run the following command:
sudo lxc init
For example, to create a new Ubuntu container, run:
sudo lxc init ubuntu:18.04 my-ubuntu-container
Starting and Stopping a Container
To start a container, run the following command:
sudo lxc start
To stop a container, run the following command:
sudo lxc stop
Connecting to a Container
To connect to a container, run the following command:
sudo lxc exec -- /bin/bash
This will open a new shell session inside the container.
Configuring a Container for Desktop Use
To configure a container for desktop use, we need to install a desktop environment, such as GNOME or KDE, and enable graphical hardware acceleration.
Here's an example of how to install the GNOME desktop environment on an Ubuntu container:
sudo lxc exec my-ubuntu-container -- apt-get update
sudo lxc exec my-ubuntu-container -- apt-get install ubuntu-desktop
To enable graphical hardware acceleration, we need to install the appropriate drivers and configure the X11 server to use them.
Here's an example of how to install the NVIDIA drivers on an Ubuntu container:
sudo lxc exec my-ubuntu-container -- apt-get install nvidia-driver
After installing the drivers, we need to configure the X11 server to use them. This can be done by modifying the /etc/X11/xorg.conf file.
Running a Desktop Environment in a Container
To run a desktop environment in a container, we need to start the X11 server and the desktop environment.
Here's an example of how to start the GNOME desktop environment on an Ubuntu container:
sudo lxc exec my-ubuntu-container -- startx
This will start the X11 server and the GNOME desktop environment inside the container.
In this article, we have explored how to use LXC containers to create full desktop Linux guests, similar to virtual machines (VMs), using Fedora Workstation as an example. We have covered the following topics:
- Installing LXC
- Creating a container
- Starting and stopping a container
- Connecting to a container
- Configuring a container for desktop use
- Running a desktop environment in a container