Alex Hornung has been working on an I/O scheduler; he’s made some graphs to show results so far. They’re plain, but pictures are always fun.
Matthew Dillon has implemented what he calls “REDO” records in Hammer, which reduce the amount of time taken flushing data to disk. It’ll be in the 2.6 release, but it isn’t on by default.
Jordan Gordeev’s work on 64-bit vkernels has also been brought in, so virtual systems are now available for x86_64 users.
The new code is not compatible with the old metadata format, so users are advised to backup their data and recreate their softraid volumes. As with other metadata version upgrades in the past, booting a kernel with the new code will no longer assemble softraid volumes created
Constantine Aleksandrovich Murenin posted his work on fan control, involving Winbond Super I/O Hardware Monitors. He’s had a series of commits up to this point, and this message nicely sums up the work done, including the presentations for it at BSDCan last year and AsiaBSDCon this year. Even if you aren’t planning to adjust […]
In an effort to catch up…
Matthew Dillon made a change to how material in memory is paged out; it may improve things depending on how much paging your system already does.
The AsiaBSDCon OpenBSD papers are online, with mention of video of the presentations.
Use keys for your SSH login, cause this will only get worse.
Ten Shell […]
When you see a CVS commit
List: openbsd-cvs Subject: CVS: cvs.openbsd.org: www From: Marc Espie (espie () cvs ! openbsd ! org) Date: 2010-03-08 20:43:18 Message-ID: 201003082043.o28KhIWM019271 () cvs ! openbsd ! org Module name: www Modified files: 47.html Log message: pkg_* changed by >8000 lines. This qualifies as "major" changes in my book.
You really ought
Tunnelling out of corporate networks – the end of our quest
In the previous articles, you have read about employees and malware tunnelling out of corporate networks. I explained how this is done and why it is so easy to do. You were shown some concepts that may help you to detect and defend against such threats and I’ve eluded