CentOS System Administration Essentials

CentOS System Administration Essentials

CentOS System Administration Essentials

The description of this book is “Become an efficient CentOS administrator by acquiring real-world knowledge of system setup and configuration” and the author, Andrew Mallett, has put together quite a collection of information in there to help you do just that.

Probably worth mentioning here is that this book is obviously designed for someone not only familiar with Linux in general, but also comfortable eough with CentOS to dispatch with the usual obligatory chapters dealing with installation, etc.. Yes, this information is surely aimed for someone who is. or has designs for being a Systems Administrator. As it happens, I am “one of those guys” so I’ll give you my thoughts on how well he did.

One of the interesting things about Linux is there are so many ways to do things and so many areas of focus. This means that this area of information that a system Administrator should know is pretty expansive and what *I* think a System Administrator should be an expert in is not necessarily what someone else may think. Well, up to a point. There are some real basics in there as well. One of those is using vi or vim and noodling around on the command line, and this is right where Mallett heads for in the beginning of the book and rightly so.

After running through some great tips you start to dive into some deep subject matter on Grub, filesystems, processes (all really important stuff). Yum (package management) and managing users are also important standards that are covered well, and then you start diverging a bit from what I would consider “must know” information into, really, the more interesting stuff of the book. You walk through LDAP auth, Nginx web servers and puppet configuration management. While those may not be essentials for your systems, it sure is nice to at least have a basic understanding, and the information here on them can get you up and running. And then lastly we go back into the last topic, security, which is also a “must know”.

I quite liked this book, especially the portion on Nginx, which I had not played with before. It was good information, easy to read and use and the examples worked. I also noted that much unlike some other similar books I have reviewed, this book is not so voluminous as to make it impractical to read through in an afternoon or so and you can do so and come away immediately with some practical and usable information. Again, the book “CentOS System Administration Essentials” by Andrew Mallett, is available from Packt Publishing for under $25 and is well worth it for all you budding (and maybe not so budding) System Administrators out there.

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