If you look major book sellers for Linux Kernel books, you will be disappointed, there aren’t many titles available, I remember a long time ago, when Alessandro Rubini wrote his first book about Linux Device Drivers, I think it was the first big hit, then shortly it became obsolete, as Linux runs fast. Accordingly to Amazon the most popular Linux Kernel book nowadays is Linux Kernel Development written by Robert Love, in it’s second edition focused in version 2.6. I was deeply involved in other subjects, reading piles of books when it came out few years ago. Right now in…

“(…) Best Current Practices for Wireless Internet Service Provider (WISP) Roaming. (…) WISPr was chartered by the Wi-Fi Alliance to describe the recommended operational practices, technical architecture, and Authentication, Authorization, and Accounting (AAA) framework needed to enable subscriber roaming among Wi-Fi based Wireless Internet Service Providers (WISPs). This roaming framework allows using Wi-Fi compliant devices to roam into Wi-Fi enabled hotspots for public access and services. User can be authenticated and billed (if appropriate) for service by their Home Entity (such as another service provider or corporation).” Download WISPr V. 1.0!

Ulrich Drepper works for Red Hat, is the lead contributor and maintainer of glibc, telling you this I don’t need to comment how talented he is. Last year he gave a talk in Red Hat Summit in Nashville about CPU Caches, in his opinion the time for the talk was not enough to transfer all his thoughts about the subject, after this he worked around six months on a document titled What every programmer should know about memory, 100 pages of pure high quality knowledge, Drepper released it in PDF for free.