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Which Docker version
$ docker –version
Images – list of images on docker
$ docker images
Downloading image from repository
$ docker pull httpd
‘ps -a’ – List all the docker containers running/exited/stopped with container details.
$ docker ps -a
exec – Access the docker container and run commands inside the container.
$ docker exec -it
Run – Run the docker image mentioned in the command.
$ docker run -it -d httpd
Removing container – Remove the docker container with container id mentioned in the command.
$ docker rm containerID
Remove image
$ docker rmi imageID
Stopping Docker – Docker stop command stops the container gracefully
$ docker stop containerID
Restart Docker
$ docker restart containerID
Kill – Stop the docker container immediately.
$ docker kill containerID
Checking history – history of a docker image with the image name mentioned in the command.
$ docker history httpd
Logs – Show the logs of the docker container with contained id mentioned in the command.
$ docker logs containerID
Installing plugin – Install a docker plugin $ docker plugin install pluginName

Updating configuration – Update container configurations.
$ docker update [options]

In Sonarqube – go to Configuration >> General Settings >> Email.

Fill in the fields with your e-mail server configuration and then click on the Save Email Settings button

Mailer – This plugin allows you to configure email notifications for build results. This is a break-out of the original core based email component.
Script Security – Allows Jenkins administrator to control what in-process scripts can be run by less-privileged users.
JUnit – Allows JUnit format test results to be published.
Pipeline: API – Plugin that defines Pipeline API.
Git client: Utility plugin for Git support in Jenkins.