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Containers on Linux

Sometimes an older version of a library or libraries for an application is needed for development. It is faster and easier to use LXC/LXD to setup a Container of that release and work in that Container.


First open a terminal like so:

Pop!_OS : + T

Ubuntu : CTRL+ALT+T

Install the software with this command in the terminal.

sudo apt install lxd lxd-client


Tell LXD what storage and network is needed with this command:

sudo lxd init

Create a container

Now create our first container with this command:

lxc launch ubuntu:16.04 first

This will create a container based on Ubuntu 16.04 with the name 'first'.

List and confirm that the container was created with this command:

lxc list

The container can be stopped with this command:

lxc stop first

Or the container can be deleted:

lxc delete first

Enter the container

Enter the container with this command:

lxc exec first -- /bin/bash

Or just one command can be issued without entering the container:

lxc exec first -- apt update

Sharing files

For pushing a file to the container:

lxc file push filename first/tmp/

For pulling a file from the container:

lxc file pull first/tmp/filename .