Building Telephony Systems with OpenSER is a new book from Packt, which acts as a step-by-step guide to building a high performance Telephony System. Written by Flavio E. Goncalves, this book teaches users how to develop a fast and flexible Session Initiation Protocol (SIP) server using OpenSER.

There’s a nice little Facebook app that’s called “Linux” that proudly displays which distribution you use on your profile page:

A good CRM package does you no good if employees aren't willing to use it. Case in point: IMA Financial Group, a medium-sized financial services company based in Wichita, Kansas. IMA had installed a commercial customer relationship management system that "was flexible and configurable and attractive on the front end," says business processes manager Jennifer Hallam.

From time to time I need to start some applications from command line, either to watch for debug messages, or to run the application as a different user.

Google is part of a group of tech heavyweights going on the offensive against the threat of patent-infringement lawsuits, The Wall Street Journal reported on its Web site Sunday evening.

A few days ago I reviewed BasKet, the wonderful KDE application for taking notes, so today I decided upon Tomboy, which is an application for GNOME.

Over the weekend, I converted my laptop to use the ext4 filesystem. So far so good! So far I’ve found one bug as a result of my using ext4 in production (if delayed allocation is enabled, i_blocks doesn’t get updated until the block allocation takes place, so files can appear to have 0k blocksize right after they are created, which is confusing/unfortunate), but nothing super serious yet.

We, the undersigned Linux kernel developers, consider any closed-source Linux kernel module or driver to be harmful and undesirable. We have repeatedly found them to be detrimental to Linux users, businesses, and the greater Linux ecosystem.