Linux Flavors

Yesterday my oldest son came into my office and started telling me how his day was. The topic of Red Hat Linux came up and he expressed a desire to have a copy. This started a whole discussion on the different flavors of Linux.

When I first installed Linux on one of my office machines over ten years ago, I went down to a local book store and bought a book about Linux. In the back of the book was a CD that came with a copy of the operating system. It was Slackware Linux and seemed to work just fine. I played around a bit but couldn't get the graphical user interface (GUI) working with my hardware. So I went to a computer store and bought a copy of Red Hat Linux. I think it was version 2. I was able to get the X windowing environment (Linux's GUI) running. Since then I have always been a fan of Red Hat Linux.

I purchased several more copies of Red Hat Linux before they decided to concentrate on becoming a server-centric operating system provider. Most of the work I do is for other people and they have their own servers. That means I don't really need a server-specific version of Linux. Not to worry, Red Hat created Fedora Core for people like me. It is freely downloadable from the Internet and so I don't have to get in my car and drive to the local computer store to get it.

About a year ago, one of my clients asked me to put together a staging server at my office. A staging server is used to test changes in software before they are moved into the production environment. This is very helpful if you want to upgrade your database software but need to ensure it will work before you make the change. Simply upgrade the staging server and run through a bunch of tests. Once you are satisfied the upgrade won't break anything, you can roll out the new database software to the production system.

My client is barely above water financially and so I wanted to save them a bit of money. The production servers run Red Hat Enterprise Linux Server but that costs about $2,500 per server (if I remember correctly . . . I just tried to look it up but you now have to purchase it from a reseller . . . what a pain). Since I really don't care about technical support for the staging server, I decided to load it with CentOS. CentOS basically looks like Red Hat Enterprise Linux but is free. That means if there are any problems you have to figure them out yourself. I wouldn't recommend it for a production environment unless you have one or two Linux experts on staff who are used to figuring things out for themselves. So far it has worked perfectly for my client's staging server. I told my son that if he really wants to give Red Hat Enterprise Linux a try, he should just use CentOS.

There are many different flavors of Linux and these only represent a handful of distributions available. I have a good friend who works for Cannonical who are the guys behind Ubuntu Linux. He keeps trying to get me to switch to his distribution. I am reluctant to do so because I am so familiar with what I am already using. Oh well, I would probably make a bad customer anyways because I try to avoid paying for anything.