Docker for Absolute Beginners

Question 1

How do you install Docker?

Answer 1

Copy and paste instructions on docker website
1: make sure any docker components are removed with yum remove
2: set up repository
3: install docker engine
4: start docker
5: run the hello world container test (sudo docker hello-world)
—–OR—–
install with the “convenience script” on the same instruction page

Question 2

command to check docker version?

Answer 2

docker version

Question 3

command to test if docker is working?

Answer 3

sudo docker hello-world