##create docker containers sharing the same network
Using bash script, Write a script that will automatically provision 3 docker containers running kibana v6.4.2, nginx server, mysql server separately
on each container. Solution should be prepared as only one script, which creates 3 docker images and run the containers from them. The 3 docker containers
should be able to ping each other regardless of where it is being deployed.
##delete user
delete a user account on linux
##archive files and directories
archive specific files and driectory for use in a cronjob