If you’re using pkgin for managing pkgsrc packages, there’s a new bugfix to cover scenarios where there’s an old and new version dependency on the same item, like php between versions 5.2 and 5.3. It’s described in French, or translated English. (Thanks, Antonio Huete)
Normally I hold this for Sunday, but I’ve got a good batch of links already. Something here for everyone, this week.
- A git cheatsheet, and another git cheatsheet. I may have linked to the latter one before, as it looks vaguely familiar. Anyway, bookmark. (Thanks, luxh on EFNet #dragonflybsd)
- What should you do about bad blocks on a disk? Get a new disk.
- If you ever wanted to port software, there’s a pkgsrc developer’s guide (thanks Francois Tigeot) that shows you how.
- It’s NOT LINUX, for the billionth time. It’s BSD UNIX (certified, even) under there!
- “Children of the Cron“. An entertaining pun. (via)
- Nothing to do with BSD, or even computers, really: Gary Gorton, interviewed about the recent financial crisis, at a Fed bank website (!?). Interesting because I like economic matters, and because it’s the first web page where I’ve ever seen pop-up links added usefully, as a sort of footnote that you don’t have to scroll. (via)
- Michael Lucas recently had a machine broken into. Since everything on the machine is suspect, he’s using Netflow data to figure out when it happened, and how, which is not surprising given his most recent book. He has two posts describing how he backtracks his way to the probable source.
If you run pkgsrc-current, not the quarterly releases, the png library has just been updated to 1.5. This may break a few applications for now, and require a lot of rebuilding on your next update, since many packages depend on this.
If you are running a quarterly release of pkgsrc, you are unaffected.
avalon.dragonflybsd.org, also known as mirror-master or git.dragonflybsd.org, should be back online within a few days. Matthew Dillon has details on the upgrade.
The latest quarterly release of pkgsrc, 2010Q4, is out. I’m working on the build of binary packages… It’ll be some days.
Venkatesh Srinivas wrote out a long description of what he’s doing with the removal of the Giant Lock from tmpfs. I’m pasting it here verbatim, for your enjoyment.
Yeah, so those Phoronix benchmarks are crap, but Matthew Dillon went and implemented some things that would speed up Hammer write performance in any case. Read his summary for details.
I removed the Google ad off the sidebar; it was making me enough cash to buy a sandwich on a yearly basis.
I’ve replaced it with a link to my Amazon wishlist. If you’re feeling generous, you can buy me a book! If you aren’t, you can just keep reading, and I’ll keep posting.
The default Hammer version in DragonFly is now version 5, which is the one that includes deduplication. Enjoy, bleeding-edge users! Otherwise, wait for the next release.
Version 6 is there, but don’t upgrade to it yet; there aren’t significant user-visible changes, and the usual disclaimers for new versions apply.
Sascha Wildner is continuing his huge driver-adding streak, this time with tws(4). It’s a port of the FreeBSD driver, for “LSI 3ware 9750 series SATA/SAS RAID controllers”. The commit message has a list of individual models, and further credits.
Sascha Wildner re-added burncd(8); it still works for some people. As Matthew Dillon pointed out, cdrecord is probably the better long-term bet.
Avalon, the machine that works as the master mirror site for DragonFly, and also as git.dragonflybsd.org, is being moved. Binary package downloads and source updates won’t work in the meantime. If you can’t wait for the system to come back, change the settings for pkg_radd or in /usr/Makefile to point at a different host.
Sascha Wildner continues the driver update streak, bringing in the updated FreeBSD version of the aac(4) driver. This adds support for 40+ Adaptec AdvancedRAID cards – the aac(4) man page has a very long list.
A Phoronix test of DragonFly’s Hammer filesystem turned up, via Siju George. It’s not really a benchmark as much as it is a speed test, and it’s not a realistic comparison, but it’s interesting to see numbers.
They need a graph that shows how much historical data can be recovered by each file system, or how long fsck takes after a crash.
Update: Matthew Dillon points out the many ways these tests are wrong.
The burncd command has been removed; it hasn’t been working for some time. The sysutils/cdrtools utility cdrecord is the viable alternative. cdrecord is a pkgsrc application, but it comes on the DragonFly install CD/DVD/image/whatnot.
Ilya Dryomov wrote out some more details about his deduplication work, with some notes on what he plans next for this feature.
The January issue of the Open Source Business Resource is titled “The Business of Open Source”. The first article, titled “Cost Optimization Through Open Source Software“, explains why iXSystems is all BSD, all the time. There’s also an eye-opening breakdown of the dramatic cost savings from going with open-source rather than Windows.
Apparently the surplus money from the recent NYCBSDCon is going to each of the BSD projects. Great news! Now, what to do with it…