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Archive for January, 2004

Grrr Athlons do have MMX

If you have an Athlon based system with Fedora Core and you are trying to compile/run a custom kernel, it seems that choosing “Athlon” as your cpu is the wrong way to go. Seems like “Athlon” no longer implies MMX. Must be the ‘new’ gcc 3.2 that FC1 uses.

Some random netfilter kernel module and the NVidia binary kernel module are not happy without “_mmx_copy”. Compiled as a P3, and everything is happy now.

Pics of the dev box. ;)

Bad OpenCarpet

If you’re running any of the rpm based Linux distros, you should really check out RedCarpet by Ximian. Its basically like Windows Update for Linux. Eg, looks at what RPM’s you have and what RPMs have been updated. Gives you a nice gui to select them and then downloads and installs them.

For more and better info go here .

Anyways, back to the story. Recently on several FC1 boxes, I haven’t been able to run RedCarpet as rcd looses it and starts eating all the cpu. Eventually tracked it down to OpenCarpet. It seems like rcd goes into an endless loop trying to retrieve data from open-carpet.org. So how to fix it?

Remove open-carpet.org references from the rcd config file. /var/lib/rcd/services.xml

So that gets rcd and RedCarpet running again, unfortunately I now don’t have a solution for getting updated rpms, other than running the dog slow RedHat updater.

Update: OpenCarpet now seems to be fine on my home dev box. Will see what happens tomorrow with the FC1 boxes at work.

CanoScan LIDE 20

There are 4 things going for this scanner.

1. Its cheap ($50)
2. Its small
3. Its powered via the USB (no wall wart power cord)
4. Its got Mac (manufacturer) and Linux (not manufacturer) support.

Good stuff. However the Windows/Mac software that is provided is less that ideal.

1. It doesn’t let you do a “preview” scan. Eg I threw something on the scanner, do a quick very lo rez scan, and then let me use the mouse to select part of the picture I really want to scan. The scanning tools under linux do that.
2. It insists on “linking” to something. On windows it “links” to the AcDeeSee wanna-be software that it comes with. Eg, after the scan is done, it hands the picture over to somebody else to display. So on the Mac you will probably want to link it to the Preview app.
3. The Linux support is no _all_ there yet. Yes you can scan, but the the colors are off. This is on Fedora Core 1. Supposedly, the latest greatest SANE has color calibration routines, so I will try fiddling with those.

MySQL Gotchas

Installation
-On a FC1 box, you will need to download the server and client rpms. You will also want to download mysqlcc, the Enterprise Manager equivalent.
-The RPMs set the mysql data dir to be /var/lib/mysql

Configuration
-MySQL supports several different table implementations, and the default, on MySQL 4.1, is the “old” non-transactional table type. Not so much as useful for our purposes.
-MySQL’s main table types are
–MyISAM - default, non-transactional
–InnoDB - transactional
–DBD - Berkley DB
-You need to put a my.cnf file in /etc . There are samples that ship with the RPMs in /usr/share/mysql.
–Take one of the examples and add “default-table-type=InnoDB” below the [mysqld] entry

Where is java on the mac?

FYI, The JRE on the mac is located in:
/System/Library/Frameworks/JavaVM.framework/Home

Need that to create a project in Intellij on the mac.

Scanner Art

Saw some prints of these on the Taos NM trip. Very nice.

http://www.katinkamatson.com/500/water_lily.html

Test Post from the RSS Reader

Test post from Net News on the mac.

Blog is Up

So I figured I’d try and get the blog up before I start diving into a bunch of work on SANE and openh323 so I could post what I figure out.

The installation instructions for MT suffer from a lack of focus, eg they are trying to put directions for people running thier own servers and for peopel in hosted configurations in the same doc.

bah.

Ah, so why am I using MT and not some java based blogger. MT has the biggest userbase and so you get the most goodies “free”, eg somebody already put together a plugin that does image verfication for comment spamming.

Also I it would be good to get friendlier with perl seeing as how Nokia is going to put it on thier phones. ;)