This document provides instructions for installing and using LXD and Docker containers on a system. It includes commands to install LXD and Docker, launch Ubuntu containers from images, execute commands in the containers via exec, and manage the container lifecycle by starting, stopping, and deleting them. It also shows how to build a Docker image from the current directory, tag and push it to a registry, and run it.

3. cat /proc/1/environ

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11. sudo apt-get install lxd
newgrp lxd

12. lxc remote add images images.linuxcontainers.org
lxc image list images:
lxc launch images:ubuntu/trusty/i386 ubuntu-32

13. lxc list
lxc info ubuntu-32
lxc exec ubuntu-32 /bin/bash

14. lxc file pull ubuntu-32/path/to/file .
lxc file push /path/to/file ubuntu-32/
lxc stop ubuntu-32
lxc delete ubuntu-32

16. sudo apt-get install -y docker.io
sudo ln -sf /usr/bin/docker.io /usr/local/bin/docker
sudo wget -qO- https://get.docker.io/ | sh

17. sudo docker -D info
sudo docker pull busybox
sudo docker images
sudo docker run busybox echo "Hello World!"

18. sudo docker pull -a busybox
sudo docker search ubuntu
sudo docker run -i -t ubuntu:14.04 /bin/bash

19. sudo docker run -i -t ubuntu:14.04 /bin/bash
sudo docker ps
sudo docker attach adoring_colden
root@b810478040dd:/# adduser alex
sudo docker diff b810478040dd
sudo docker stop b810478040dd
sudo docker ps -a
sudo docker rm b810478040dd

22. sudo docker build .
sudo docker login
sudo docker tag c2e3e28302bb aggurio/docker-dey:dey-2.0-r1
sudo docker push aggurio/docker-dey
sudo docker run -it --rm aggurio/docker-dey:dey-2.0-r1 bash