Running multiple SSH servers on one box

Sometimes, it can be a requirement to run multiple SSH servers on one box. You may want to use one for regular, day-to-day activities, and the other server for backups or automation.

In this case, it's perfectly possible to run two distinct versions of the SSH server at once.

We're going to use centos2 for this, setting up a secondary SSH server on port 2020.

Getting ready

If you haven't already, I would advise destroying your previous Vagrant boxes and deploying new ones for this.

Once new boxes are created, connect to both:

$ vagrant ssh centos1
$ vagrant ssh centos2

Install policycoreutils-python on centos2, for semanage later:

[vagrant@centos2 ~]$ sudo yum -y install...