Docker

Docker is an open platform for developing, shipping, and running applications. Docker enables you to separate your applications from your infrastructure so you can deliver software quickly.

• Lazydocker - terminal gui for docker
• Portainer - web gui for docker and kupernetes

root@dockersrv:~$ docker run -it --rm alpine /bin/ash
(inside container) / # 

Options used above:

    /bin/ash is Ash (Almquist Shell) provided by BusyBox
    --rm Automatically remove the container when it exits (docker run --help)
    -i Interactive mode (Keep STDIN open even if not attached)
    -t Allocate a pseudo-TTY