Docker containers

Am I inside the container?

• hostname
  • If you are in the host machine, you get a nice name. Otherwise, you get an automatically assigned docker container id
• check OS version
  • cat /etc/redhat-release

docker cli

After exit from container

• docker ps -all
  • List all containers via
  • double click in putty to copy to clipboard container_id
• docker start container_id
• docker attach container_id
  • back into container shell
  • mai ctrl+C if hangs

Exist and leave container running

• You can detach from the container and leave it running with CTRL-p CTRL-q. (both of them) via https://docs.docker.com/engine/userguide/networking/dockernetworks/

Remove containers

remove all containers

• docker rm --force `docker ps -qa`
  • via https://linuxconfig.org/how-to-remove-all-docker-containers-using-a-single-command