Background As legacy applications are redesigned for the cloud, they are converted to run in a stateless manner. In newly designed applications, data flows between application code, messaging infrastructure, caches and databases seamlessly even during individual node failures of any one subsystem. When an active node fails, a new one is instantiated and placed back
Background Red Hat Software Collections 1.2 was recently released and with it, comes a different message to developers on Red Hat Enterprise Linux and CentOS. Unless you need 10 years of support for your application stack (MySQL, PHP, Ruby, Rails), use Red Hat Software Collections (RHSCL). RHSCL provides developers with the latest version of tools
Continue Reading “Software Collections and the Developer Community”
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.
Background One of the key advantages of using Docker is it’s centralized image management server, called a Registry Server. The Docker project, as well as Red Hat, maintain public registry servers which host supported images. The Docker project also provides an Open Source version of the Registry server which can be deployed on premise in
Continue Reading “A Practical Introduction to the Docker Registry Server”
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
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
Continue Reading “A Practical Introduction to Docker Containers”
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 “DevNation 2014: San Francisco: Resiliant Messaging AMQ”
Hey, just a quick update. We ran our first Red Hat Enterprise User Group in Michigan back in January. We are working on the agenda for the next meet up in May, and we have a new site, mailing list, and LinkedIn group!
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
Background In my ever evolving lab, it came time to integrate Red Hat Enterprise Linux (RHEV) with Identity, Policy, Audit (IPA).There were a few caveats and searching Google didn’t help, so hopefully this article can save you some time. Integrating the two was fairly straitforward. The biggest challenge was finding a quick and easy way
Continue Reading “Red Hat Enterprise Virtualization (RHEV) & Identity, Policy, Audit (IPA)”
