Introduction Are you a professional Linux Systems Administrator, Architect, or Site Reliability Engineer? Do you use Fedora, Red Hat Enterprise Linux (RHEL) or a derivative in the course of your work? Do you find it difficult to keep up with all of the changes that have been going on with RHEL in the last few
Today, I noticed that the WordPress Admin Console was complaining that I was using PHP 7.2 which is getting old. I was kind of dreading upgrading because upgrades are a nightmare, but then I realized I had put everything in containers. One of the things that makes containers awesome is how easy it is to
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Update January 3rd, 2022: Please see: The State of Enterprise Linux in 2022 Change is hard. Explaining that change in a way that makes sense is hard. Not getting frustrated when someone is explaining change to you, or while explaining it is hard. We are all human, so please be patient. But, before you
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Updated 06/02/2020 Understanding Container Images To fully understand how to compare container base images, we must understand the bits inside of them. There are two major parts of an operating system – the kernel and the user space. The kernel is a special program executed directly on the hardware or virtual machine – it
Background I have used Linode for about 10 years now because the service and price are great. They are one of the most automated cloud providers and they invest in tools to do things like resizing existing VMs. It’s super useful for lab environments and experiments. As such, I wanted to use Linode for my
Why Should I Care About DevSecOps? Are you a frustrated security professional, trying to get your organization to change (aren’t we all)? Or perhaps, you are trying to get management to value security more? Or maybe, you are a security conscious Developer (wait, do those actually exist? Yes, yes, they do) or Sysadmin who knows
Background My problem, like most technologists, is that I only have a slice of my time to dedicate toward acquiring and maintaining knowledge about any given technology, product, project, tool, platform, etc. Split that with the fact that almost every CIO is preaching that we, as technologists, need to be closer to the business, and
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This presentation is a 16 slide introduction to what must be thought about when building a production cloud. Proper image management is critical engineering task.
This presentation is a 16 slide introduction to what must be thought about when building a production cloud. Proper image management is critical engineering task.
This presentation is a 16 slide introduction to what must be thought about when building a production cloud. Proper image management is critical engineering task.
Continue Reading “Red Hat Tech Exchange 2016: Ho Chi Minh: Linux Containers 101, 201, and 301”