Installer Docker sur un VPS

Docker est une solution libre de virtualisation par conteneurs logiciels. Il utilise la technologie de virtualisation LXC (Linux Containers). Ici nous allons l’installer sous CentOS 7.

Mise à jour du système

yum update

Installation des paquets epel

yum update epel-release

Installation de Docker

yum install docker-io

Vérification de la version

docker -v

Quelques commandes Docker

attach    Attach to a running container
build     Build an image from a Dockerfile
commit    Create a new image from a container's changes
cp        Copy files/folders between a container and the local filesystem
create    Create a new container
diff      Inspect changes on a container's filesystem
events    Get real time events from the server
exec      Run a command in a running container
export    Export a container's filesystem as a tar archive
history   Show the history of an image
images    List images
import    Import the contents from a tarball to create a filesystem image
info      Display system-wide information
inspect   Return low-level information on a container or image
kill      Kill a running container
load      Load an image from a tar archive or STDIN
login     Register or log in to a Docker registry
logout    Log out from a Docker registry
logs      Fetch the logs of a container
network   Manage Docker networks
pause     Pause all processes within a container
port      List port mappings or a specific mapping for the CONTAINER
ps        List containers
pull      Pull an image or a repository from a registry
push      Push an image or a repository to a registry
rename    Rename a container
restart   Restart a container
rm        Remove one or more containers
rmi       Remove one or more images
run       Run a command in a new container
save      Save an image(s) to a tar archive
search    Search the Docker Hub for images
start     Start one or more stopped containers
stats     Display a live stream of container(s) resource usage statistics
stop      Stop a running container
tag       Tag an image into a repository
top       Display the running processes of a container
unpause   Unpause all processes within a container
update    Update resources of one or more containers
version   Show the Docker version information
volume    Manage Docker volumes
wait      Block until a container stops, then print its exit code