1. Personally, I try to do as little mucking around with systems serving important functions as I can.
2. I wouldn't be using eXtplorer regardless. I would still be updating to TKL v12.1 even if you did get it working as it should.
So by all means hone your Linux skills on this server, but I'd only be doing that once you have a new server up and running to fullfil the fileserver role...
I'm sure it's possible
But 2 things...
1. Personally, I try to do as little mucking around with systems serving important functions as I can.
2. I wouldn't be using eXtplorer regardless. I would still be updating to TKL v12.1 even if you did get it working as it should.
So by all means hone your Linux skills on this server, but I'd only be doing that once you have a new server up and running to fullfil the fileserver role...