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
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Background Packaging is one of those nagging problems that has buggered me for years. When do you create your own RPM or DEB package? Of course the answer is, it depends. I have found two distinct use cases which have Basics I don’t think the use cases for this tool have been identified in this
Continue Reading “Marketing Small OpenSource Projects: Packaging”
Continue Reading “Marketing Small OpenSource Projects: Packaging”
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
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It is a sad day for me because Springpad has been a great tool: http://support.springpad.com/customer/portal/articles/1566742-how-much-longer-can-i-use-springpad- A couple of years back, I compared Springpad with Evernote. Since then, Evernote has improved greatly, and that is where I will be going now. Good by SpringPad!!!!
Esta presentacion fue presentado en CampusLink 2.0. Fue la primera vez que yo he hablado profesionalmente en Español. Disfruté esta experiencia demasiado y espero tener la oportunidad hacerlo de nueva en años futuros.
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
I just finished going through the release notes for RHEL7 Release Candidate and Technical Notes… Features Fast Block Devices Caching Slower Block Devices Systemd controls cgroups Hardware Event Reporting Mechanism (HERM) RAS Daemon: Unifies all error data & reporting Live migration of a guest from the Red Hat Enterprise Linux 6.5 host to the Red
Background Open Source Software Proprietary Software have very different supply chain mechanics. Programmers, Architects, and Systems Administrators need to understand the long term impact of leveraging Open Source software versus Proprietary Software. For as long as I have been programming, it has been common for programmers to leverage libraries of code. Historically, these libraries were
Continue Reading “Open Source vs. Proprietary Software in the Supply Chain”