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When your working environment grows, services may have dependencies with each other, and this would affect your implementation of an effective monitoring solution. In typical cases, the status of a service cannot be judged simply by itself, and we have…

Note that this is a forwarded version from serverfault.com, and the original post is here.  Xen is an hypervisor that runs on metal (the pc / server) and then hosts virtual machines called domains.

The first time I was trying to make a collection of Murphy’s laws was 2 years ago. Now it comes with updates in a list of areas around IT industry. The original version is from Jcdverha.home.

It’s the first major Apache web server update since the 2.2 release in 2005. A key focus in the 2.4 release is improved performance which is delivered by way of multiple innovations.

Along with Steve Jobs and Dennis Ritchie, 2011 marked the passing of many computer visionaries and technology pioneers. The computing industry came of age in the 1950s, and many of the individuals who laid the groundwork for modern computing, smart…

The Lucene project management committee has announced the availability of Apache Lucene 3.5.0 and Apache Solr 3.5.0. Lucene is a high-performance, full-featured text search library. Solr is a standalone search server that uses Lucene at its core for indexing and…

The upgrade between major releases for Debian system is quite easy compared to RHEL / CentOS. How can I upgrade to Debian GNU/Linux 6.0 (Squeeze) from the previous Debian 5.0 (Lenny) remotely?

Technically, HTML5 is a specification from the World Wide Web Consortium (W3C) (Footnote 2). HTML5 is a useful term to describe the rapid changes that are currently happening to the Web platform. This is what the author will mean when…

This is a forwarded copy from Steves Souders‘ blog site. These rules are the key to speeding up your web pages. The key insight behind these best practices is the realization that only 10-20% of the total end-user response time…