XPN on Docker v2.2 (with Ubuntu 22.04 LTS)

Getting xpn-docker

git clone https://github.com/acaldero/xpn_docker.git
cd xpn_docker
./lab.sh build

Example	To start 3 containers:	Some work from container 1:	To stop the containers:
Expand (native)	./lab.sh start 3 ./lab.sh status	./lab.sh bash 1 source .profile ./data/xpn-mpi-native.sh exit	./lab.sh stop
Expand (bypass)		./lab.sh bash 1 source .profile ./data/xpn-mpi-bypass.sh exit
Expand (fuse)		./lab.sh bash 1 source .profile ./data/xpn-mpi-fuse.sh exit

Action	Command
First time + "each time u22-dockerfile is updated"	./lab.sh build
To start a work session with 3 containers	./lab.sh start 3
To get into container 1	./lab.sh bash 1
Being in container 1, to exit	exit
To stop the work session please use	./lab.sh stop
Available options for debugging: To check running containers: To get the containers internal IP addresses:	Available options for debugging: ./lab.sh status ./lab.sh network

Please beware of:

Any modification outside /work will be discarded on container stopping.
Please make a backup of your work "frequently".
You might need to use "sudo" before ./lab.sh if your user doesn't belong to the docker group
- could be solved by using "sudo usermod -aG docker ${USER}"