As conadm in one of the CentOS virtual machines, do the following:

1. Launch a container called cont-adv in attached mode, with two variables (HISTSIZE=100 and MYNAME="RedHat"), host port 9000 mapped to container port 8080, and /host_perm2 mounted at /cont_perm2
2. Check and confirm the settings while inside the container
3. Make a file inside of the /cont_perm2 directory
4. Exit out of the container without stopping it, and check the port mapping outside the container and the contents of /host_perm2 which should have a new file