Tied up in a recent AWS announcement about a new EC2 high-end instance type (the C5) is a strong suggestion that Amazon’s cloud computing giant has begun to shift its hundreds of thousands of physical servers away from the open source Xen… Continue Reading
Got IT infrastructure? Do you know how secure it is? The answer will probably hurt, but this is the kind of bad news you’re better off getting sooner rather than later. The only reasonably sure way to find out what’s… Continue Reading
This article is excerpted from my Manning book, Linux in Action. Nextcloud is an open source software suite that, when installed on a Linux server, can leverage storage capacity for saving, editing, and consuming a wide range of document types — including services… Continue Reading
Intelligently running Linux services includes knowing how to test for their status which, in turn, requires understanding how modern Linux distributions manage processes. This article — excerpted from the early access edition (MEAP) of my new Manning book “Linux in Action” (which is available… Continue Reading
Open source should be a team sport. Since you’re free to download the code and rewrite it to fit your needs, you should also feel free to share your customizations with your closest friends and family. Over the years, Linux,… Continue Reading
This article is adapted from the chapter “Emergency tools: build a system recovery device” in my Manning book Linux in Action (use discount code fccclinton3 for 37% off). Don’t try to convince yourself otherwise: along with all the good stuff, you’re going… Continue Reading
This article is adapted from chapter 7 of my book, Teach Yourself Linux Virtualization and High Availability: prepare for the LPIC-3 304 certification exam. Let’s focus more on some of the larger architectural principles of cluster management than on any single… Continue Reading
Well of course you are. It’s free, isn’t it? Ok, so then why not double the return on your investment? Why not broaden your reach by becoming a VirtualBox power user? Oracle’s VirtualBox is easy to install, easy to run,… Continue Reading
There are all kinds of ways to play the Docker game and, obviously, no one of them is going to be right for every use case. So what I’m going to do here is give you a brief functional overview… Continue Reading
Although I’ve badly neglected my poor old blog for months now, it’s never been completely forgotten. For now, though, it will have to make do with some simple updates. Aside from a few more layers of review, my book “Learn… Continue Reading