In this lab, we will create docker container by pulling an existing docker image and interact with it
In case you prefer a video, check below our YouTube video for this lab
Create docker hub account Docker Hub skip this step if you already have one
Open Play with Docker
login with your docker hub account.
Click on start
It will start a 4 hr session
click on + ADD NEW INSTANCE
Task: pull below docker images
ubuntu
ubuntu:18.04
ubuntu:20.10
ubuntu:16.04
alpine
alpine:3.12.0
alpine:3.11.6
alpine:3.10
Solution
Use below command to complete this task
docker pull ubuntu
docker pull ubuntu:18.04
docker pull ubuntu:20.10
docker pull ubuntu:16.04
docker pull alpine
docker pull alpine:3.12.0
docker pull alpine:3.11.6
docker pull alpine:3.10
Task: check docker images available on local system
Solution
docker images
Task: check all docker images available on local system
Solution
docker images -a
Task: check all docker images for ubuntu available on local system
Solution
docker images ubuntu
Task: check all docker images with docker image command
Solution
docker image ls
Task: Run a docker container with image alpine
and run command ls -la inside it
Solution
docker container run alpine ls -l
Task: Run a docker container with image alpine and run command echo “hello from alpine” inside it
Solution
docker container run alpine echo "hello from alpine"
Task: Run a docker container with image alpine and connect to its shell
Solution
docker container run alpine /bin/sh
Task: Run a docker container with image alpine and connect to its shell
write to “hello world” to hello.txt
Solution
docker container run -it alpine /bin/ash
echo "hello world" > hello.txt
Task: list all running docker containers on local system
Solution
docker container ls
docker container ls -a
Task: Start docker container from previous step
Solution
docker container start <container ID>
TasK: Connect to docker container used in previous step using docker exec
Solution
docker container exec -it <container ID>
Delete all open nodes/instances and close session
- Select the node and click on DELETE
- Repeat same for any other open nodes
- click close session
