Commands

Question 1

docker build -t friendlyname .

Answer 1

Create image using this directory’s Dockerfile

Question 2

docker run -p 4000:80 friendlyname

Answer 2

Run “friendlyname” mapping port 4000 to 80

Question 3

docker run -d -p 4000:80 friendlyname

Answer 3

Same thing, but in detached mode

Question 4

docker ps

Answer 4

See a list of all running containers

Question 5

docker stop

Answer 5

Gracefully stop the specified container

Question 6

docker ps -a

Answer 6

See a list of all containers, even the ones not running

Question 7

docker kill

Answer 7

Force shutdown of the specified container

Question 8

docker rm

Answer 8

Remove the specified container from this machine

Question 9

docker rm $(docker ps -a -q)

Answer 9

Remove all containers from this machine

Question 10

docker images -a

Answer 10

Show all images on this machine

Question 11

docker rmi

Answer 11

Remove the specified image from this machine

Question 12

docker rmi $(docker images -q)

Answer 12

Remove all images from this machine

Question 13

docker login

Answer 13

Log in this CLI session using your Docker credentials

Question 14

docker tag username/repository:tag

Answer 14

Tag for upload to registry

Question 15

docker push username/repository:tag

Answer 15

Upload tagged image to registry

Question 16

docker run username/repository:tag

Answer 16

Run image from a registry

Question 17

docker stack ls

Answer 17

List all running applications on this Docker host

Question 18

docker stack deploy -c

Answer 18

Run the specified Compose file

Question 19

docker stack services

Answer 19

List the services associated with an app

Question 20

docker stack ps

Answer 20

List the running containers associated with an app

Question 21

docker stack rm

Answer 21

Tear down an application

Question 22

docker-machine create –driver virtualbox myvm1

Answer 22

Create a VM (Mac, Win7, Linux)

Question 23

docker-machine create -d hyperv –hyperv-virtual-switch “myswitch” myvm1

Answer 23

Create a VM (Win10)

Question 24

docker-machine env myvm1

Answer 24

View basic information about your node

Question 25

docker-machine ssh myvm1 “docker node ls”

Answer 25

List the nodes in your swarm

Question 26

docker-machine ssh myvm1 “docker node inspect “

Answer 26

Inspect a node

Question 27

docker-machine ssh myvm1 “docker swarm join-token -q worker”

Answer 27

View join token

Question 28

docker-machine ssh myvm1

Answer 28

Open an SSH session with the VM; type “exit” to end

Question 29

docker-machine ssh myvm2 “docker swarm leave”

Answer 29

Make the worker leave the swarm

Question 30

docker-machine ssh myvm1 “docker swarm leave -f”

Answer 30

Make master leave, kill swarm

Question 31

docker-machine start myvm1

Answer 31

Start a VM that is currently not running

Question 32

docker-machine stop $(docker-machine ls -q)

Answer 32

Stop all running VMs

Question 33

docker-machine rm $(docker-machine ls -q)

Answer 33

Delete all VMs and their disk images

Question 34

docker-machine scp docker-compose.yml myvm1:~

Answer 34

Copy file to node’s home dir

Question 35

docker-machine ssh myvm1 “docker stack deploy -c “

Answer 35

Deploy an app