I became aware of the Velocity just after last years conference. ((http://en.oreilly.com/velocity2009)) Many of the presentations were published online and I watched several of them. They were insightful, fresh, and dead on target for web operations education. I fell in love at once. Watch/read the presentations here and here. Then check out the upcoming conference.
Continue Reading “Velocity Web Performance and Operations Conference”
I will be giving an introduction to DevOps ((http://dev2ops.org/blog/2010/2/22/what-is-devops.html)) and the DevOps Toolchain ((http://code.google.com/p/devops-toolchain/wiki/DevOps)) at the Akron Linux Users Group (ALUG) ((http://groups.google.com/group/AkronLUG/web/alug-home-page)), held at the New Era Restaurant at 10 Massillon Rd. Akron Ohio (See map below) Often development and operations seem to have competing goals. Development is the gas, while operations is often perceived
Abstract This presentation was created for the MySQL User Group of Cleveland 2009. It contains lessons learned and features necessary for deployment of MySQL replication and Redhat Clustered MySQL using DRBD. To deploy a production grade version of these solutions, many systems must be tied together including, performance and fault management. Presentation MySQL Replication
Background Caching between a browser and an origin server is controlled by request and response headers . Quite often these headers are misunderstood by users and business owners, so it is important that we as systems administrators and developers understand them well. Secondly, caching can have an impact on web site performance and bandwidth usage.
Continue Reading “Browser & Web Server Cache Control Headers 101”
Background Understanding the basic interaction between a web server and a web browser is critical for a beginning systems administrator or web developer. Basically, text is sent back and forth in a way that is specified by the HTTP protocol. Several versions of the protocol exist, but the details are not required to understand the
Abstract This presentation was created for the Akron Linux Users Group in September 2009. It is a brief overview of several home grown tools and several from the wild. All of the tools used in this presentation are freely down-loadable and all but DejaClick are Open Source. This presentation enumerates philosophy and applied techniques in