Background Impetus Recently, I saw a discussion was started, asking about the importance of the operating system on the LinkedIn OpenStack group: Ubuntu can overtake Red Hat in private clouds because the OS doesn’t really matter I found the conversation wildly interesting because several people expressed reasons for why they think the operating system does
Tag: RHEL
A Practical Introduction to Docker Containers
Background Why Docker has quite an amount of buzz around it today because it makes so many things easy that were difficult with virtual machines. Docker containers makes it easy for Developers, Systems Administrators, Architects, Consultants and others to quickly test a piece of software in a container; much quicker than a virtual machine, and
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Resilient Enterprise Messaging with JBoss A-MQ & Red Hat Enterprise Linux
At JUDCon 2013 in Boston, Scott Cranton and I presented a talk entitled Resilient Enterprise Messaging with Fuse & Red Hat Enterprise Linux. This technical article is the follow up work from that presentation.
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Red Hat Enterprise Linux: Release Speed
Background Recently, I came across an article entitled: 5 Reasons Not to Use CentOS. While I actually disagree with all five points from a technical debate standpoint, I think this article is really the result of a few pain points that some developers express when talking about enterprise editions of Linux. Working as a technology
CentOS Post Mortem & Analysis
Background I manage the crunchtools lab and the infrastructure for this blog similar to a development data center. I have a rigorous weekly checklist, which includes optionally applying operating system patches as they are available. I do not perform the updates every week because of time constraints, but when I do, I patch all of
KVM Cluster with DRBD/GFS
Background Recently, I started a project at (www.eyemg.com) to migrate from VMWare to KVM. Our standard server deployment is based on RHEL5 running on HP DL380 hardware. Given our hardware/software deployment, it made sense to align ourselves with Red Hat’s offering of KVM. We are able to achieve feature parity with VMware server while adding