[Docker Administration] [Part I] Install Docker and Command Managment

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Introduce Docker

For Overview Docker, please klik Link

Create 2 Instance with hostname using vagrant link :

  1. vm1.roomit.tech 192.168.33.11
  2. vm2.roomit.tech 192.168.33.12

Change Hostname in vm1

hostnamectl set-hostname vm1.roomit.tech

Change Hostname in vm2

hostnamectl set-hostname vm2.roomit.tech

or visit Link

Using Ubuntu Bionic

Login to VM Via ssh, open 2 terminal

vagrant ssh vm1

vagrant ssh vm2

in Both Server and please do it :

Install Docker

sudo apt update
sudo apt -y install docker.io
sudo systemctl status docker

if not running start service with

systemctl start docker

Management Images

  1. View Docker Version 
    sudo docker version
  2. Check Docker info 
    sudo docker info
  3. Testing Hello World On Docker 
    sudo docker run hello-world
  4. Pull Image 
    sudo docker pull wajatmaka/dockerizing:flask
  5. Lisitng Images 
    sudo docker image ls
  6. Tags Image For Pushing 
    sudo docker image push wajatmaka/dockerizing:flask
  7. Push Image 
    sudo docker image push wajatmaka/dockerizing:flask
  8. Inspect Image 
    sudo docker image inspect  [ID IMAGE]
  9. Build Image 
    sudo docker image build .
  10. Remove Image 
    sudo docker image rm  [ID IMAGE]

Management Container

  1. Lisiting Container 
    sudo docker container ls -a
  2. Stop Container 
    sudo docker container stop [ID CONTAINER]
  3. Start Container 
    sudo docker container start [ID CONTAINER]
  4. Restart Container 
    sudo docker container restart [ID CONTAINER]
  5. Monitoring Container Realtime 
    sudo docker container stats [ID CONTAINER]
  6. Copy File To Container 
    sudo docker container cp [NameOfFile] [ID CONTAINER]:/
  7. Commit if changes in container, this is will create new image 
    sudo docker container commit [[ID CONTAINER] wajatmaka/dockerizing:flask2
  8. Login To Container 
    sudo docker container exec -it [ID CONTAINER] bash
  9. Show Container Logs 
    sudo docker container logs [ID CONTAINER]
  10. Pause Process Container 
    sudo docker container pause  [ID CONTAINER]

    testing access with curl:

    curl localhost:4000

    output will be timeout.

  11. Unpause Process Container 
    sudo docker container unpause [ID CONTAINER]

    testing access with curl:

    curl http://localhost:4000

    output will be get code 200 success.

  12. Kill Process Container 
    sudo docker container kill [ID CONTAINER]
  13. Cleaning All Container when Container Stopped 
    sudo docker container prune
  14. Inspect Information Container 
    sudo docker container inspect [ID CONTAINER]

    Inspect Spesific, example how to get IP container:

     sudo docker container inspect -f "\{\{ \.NetworkSettings.IPAddress \}\}"  [ID CONTAINER]
  15. Destroy Container 
    sudo docker container rm [ID CNTAINER]