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docker

/// Because the image that Linode provides for Ubuntu 16.04 LTS has a custom Linux Kernel Installed in it. So we can’t install linux-image-extra package normally see

apt-get install -y dmsetup
dmsetup mknodes

##Cheat Sheet sorce

Installation​

Linux​

curl -sSL https://get.docker.com/ | sh

Mac​

Use this link to download the dmg.

https://download.docker.com/mac/stable/Docker.dmg

Windows​

Use the msi installer:

https://download.docker.com/win/stable/InstallDocker.msi

Docker Registries & Repositories​

Login to a Registry​

docker login
docker login localhost:8080

Logout from a Registry.​

docker logout
docker logout localhost:8080

Searching an Image​

docker search nginx
docker search nginx --stars=3 --no-trunc busybox

Pulling an Image​

docker pull nginx
docker pull eon01/nginx localhost:5000/myadmin/nginx

Pushing an Image​

docker push eon01/nginx
docker push eon01/nginx localhost:5000/myadmin/nginx

Running Containers​

Creating a Container​

docker create -t -i eon01/infinite --name infinite

Running a Container​

docker run -it --name infinite -d eon01/infinite

Renaming a Container​

docker rename infinite infinity

Removing a Container​

docker rm infinite

Updating a Container​

docker update --cpu-shares 512 -m 300M infinite

Starting & Stopping Containers​

Starting​

docker start nginx

Stopping​

docker stop nginx

Restarting​

docker restart nginx

Pausing​

docker pause nginx

Unpausing​

docker unpause nginx

Blocking a Container​

docker wait nginx

Sending a SIGKILL​

docker kill nginx

Connecting to an Existing Container​

docker attach nginx

Getting Information about Containers​

Running Containers​

docker ps
docker ps -a

Container Logs​

docker logs infinite

Inspecting Containers​

docker inspect infinite

Containers Events​

docker events infinite

Public Ports​

docker port infinite

Running Processes​

docker top infinite

Container Resource Usage​

docker stats infinite

Inspecting changes to files or directories on a container’s filesystem​

docker diff infinite

Manipulating Images​

Listing Images​

docker images

Building Images​

docker build .
docker build github.com/creack/docker-firefox
docker build - < Dockerfile
docker build - < context.tar.gz
docker build -t eon/infinite .
docker build -f myOtherDockerfile .
curl example.com/remote/Dockerfile | docker build -f - .

Removing an Image​

docker rmi nginx

Loading a Tarred Repository from a File or the Standard Input Stream​

docker load < ubuntu.tar.gz
docker load --input ubuntu.tar

Save an Image to a Tar Archive​

docker save busybox > ubuntu.tar

Showing the History of an Image​

docker history

Creating an Image From a Container​

docker commit nginx

Tagging an Image​

docker tag nginx eon01/nginx

Pushing an Image​

docker push eon01/nginx

Networking​

Creating Networks​

docker network create -d overlay MyOverlayNetwork
docker network create -d bridge MyBridgeNetwork
docker network create -d overlay \
  --subnet=192.168.0.0/16 \
  --subnet=192.170.0.0/16 \
  --gateway=192.168.0.100 \
  --gateway=192.170.0.100 \
  --ip-range=192.168.1.0/24 \
  --aux-address="my-router=192.168.1.5" --aux-address="my-switch=192.168.1.6" \
  --aux-address="my-printer=192.170.1.5" --aux-address="my-nas=192.170.1.6" \
  MyOverlayNetwork

Removing a Network​

docker network rm MyOverlayNetwork

Listing Networks​

docker network ls

Getting Information About a Network​

docker network inspect MyOverlayNetwork

Connecting a Running Container to a Network​

docker network connect MyOverlayNetwork nginx

Connecting a Container to a Network When it Starts​

docker run -it -d --network=MyOverlayNetwork nginx

Disconnecting a Container from a Network​

docker network disconnect MyOverlayNetwork nginx

Cleaning Docker​

Removing a Running Container​

docker rm nginx

Removing a Container and its Volume​

docker rm -v nginx

Removing all Exited Containers​

docker rm $(docker ps -a -f status=exited -q)

Removing All Stopped Containers​

docker rm `docker ps -a -q`

Removing a Docker Image​

docker rmi nginx

Removing Dangling Images​

docker rmi $(docker images -f dangling=true -q)

Removing all Images​

docker rmi $(docker images -a -q)

Stopping & Removing all Containers​

docker stop $(docker ps -a -q) && docker rm $(docker ps -a -q)

Removing Dangling Volumes​

docker volume rm $(docker volume ls -f dangling=true -q)

Docker Swarm​

Installing Docker Swarm​

curl -ssl https://get.docker.com | bash

Initializing the Swarm​

docker swarm init --advertise-addr 192.168.10.1

Getting a Worker to Join the Swarm​

docker swarm join-token worker

Getting a Manager to Join the Swarm​

docker swarm join-token manager

Listing Services​

docker service ls

Listing nodes​

docker node ls

Creating a Service​

docker service create --name vote -p 8080:80 instavote/vote

Listing Swarm Tasks​

docker service ps

Scaling a Service​

docker service scale vote=3

Updating a Service​

docker service update --image instavote/vote:movies vote
docker service update --force --update-parallelism 1 --update-delay 30s nginx
docker service update --update-parallelism 5--update-delay 2s --image instavote/vote:indent vote
docker service update --limit-cpu 2 nginx
docker service update --replicas=5 nginx

Notes​

This work was first published in Painless Docker Course