Free Software Linux

Discover mashups, an interactive Web development methodology. Essentially a mix of linked content put together from many sources, mashups provide dynamic content for a great user experience. Getting Ajax and mashup chops into your toolbox will benefit you with high demand in the Web 2.0 workspace.

Some subtle (and largely unwritten) rules govern the use of shared state in Web applications, of which many applications unknowingly fall afoul. The result is that many stateful Web applications have subtle and serious flaws. Find out how to avoid them.

"Hurrah! 2.0 has been released!" said Matthew Dillon, announcing the eighth major release of DragonFly BSD. This release is the first to include HAMMER, a new clustering filesystem that already boasts an impressive list of features, including: "crash recovery on-mount, no fsck; fine-grained snapshots, snapshot management, snapshot-support for filesystem-wide data integrity checks; historically accessible by default; mirroring: queueless incremental mirroring, master to multi-slave; undo and rollback; reblocking; multi-volume, maximum storage capacity of 1-Exabyte." Other highlighted changes in this release include, "native fairq-queue implementation using ALTQ, for PF", and "native connection state recovery to PF, so router reboots do not drop active TCP connections."