Advogato: Personal info for movement

movement is currently certified at Master level.

Name: John Levon
Member since: 2000-04-14 14:10:55
Last Login: 2010-02-09 18:47:56

Notes:
See the project descriptions below, and my homepage, for a description of what open source stuff I'm involved in.

movement @ irc.freenode.net, irc.oftc.net
leader@movementarian.org.

Projects

Contributor on QtArchitect
Lead Developer on Figurine
Lead Developer on OProfile
Contributor on Spamfilter
Lead Developer on functrace
Developer on AikSaurus
Contributor on man-pages
Helper on Mozilla
Contributor on patchutils
Contributor on Doxygen
Developer on kernelnewbies
Contributor on Linux
Lead Developer on LyX
Developer on OpenSolaris
Developer on Xen VMM

Recent blog entries by movement

Syndication: RSS 2.0

31 Jan 2010 »

Changing liferea keyboard shortcuts

Liferea has no keyboard shortcut editor itself, but "Toggle unread status" demands the wrist-breaking chord action of Control-U. It expects you to be able to edit the shortcuts via the editable menu feature of GTK+.

Unfortunately that's disabled on all modern GNOME installs, and there's no UI for re-enabling it. As usual, gconf-editor to the rescue. The key you need to change is /desktop/gnome/interface/can_change_accels. After re-starting Liferea, you can then edit via hovering over the menu item and pressing the combination. Of course, this in itself is buggy: if it clashes with a menu accelerator (as 'r' is), it will perform that action instead.

It's simpler to directly edit the accels file in your Liferea dot dir.

Syndicated 2010-01-31 17:26:00 (Updated 2010-01-31 17:30:24) from John Levon

27 Jan 2010 »

Epson all-in-ones: avoid like the plague

Browsing the net, you might get the impression that Epson Stylus All-in-ones are well supported under Linux. Unfortunately this is not the case. The pipslite driver you have to install is extremely flaky, and Fedora SELinux doesn't work properly with it. There's no "draft" mode for some bizarre reason; printing is extremely slow and often randomly cancels half-printed jobs due to USB resets

The scanner doesn't work at all with the iscan software, despite claims to the contrary.

Syndicated 2010-01-26 23:36:00 (Updated 2010-01-26 23:51:30) from John Levon

26 Jan 2010 »

Setting up JACK on Fedora 12

Audacity is somewhat of a broken joke these days, so I needed to use Ardour to record. And that meant setting up JACK. Since JACK insists on exclusivity, I also needed to route pulseaudio through JACK so I could use other apps at the same time. Unfortunately, this is a bit of a pig to figure out. I hacked it as follows:

First edit /etc/pulse/default.pa, you need to add two lines:


load-module module-jack-sink
load-module module-jack-source

In theory now, a restart of pulseaudio should start using JACK for recording and playback, if jackd is running. However, it tends not to work very well: you might find PA hanging and you have to kill -9 it.

This isn't enough of course, now when you log in again, gnome-session will try to start pulseaudio, but not jackd, so nothing works. It's far from the right way, but I edited /usr/bin/start-pulseaudio-x11 (which is started from a /etc/xdg/autostart/ script), as follows:


amixer -c 0 sset 'Input Source' 'Line'

nohup jackd -d alsa &

sleep 5

/usr/bin/pulseaudio --start "$@"

Note that I have to set the input source by hand: something in desktop start up used to do this for me, but now I'm going through JACK it has to be done by hand.

Syndicated 2010-01-26 17:28:00 (Updated 2010-01-26 17:46:23) from John Levon

17 Jan 2010 »

Liferea strict feed validation tip

New versions of Liferea refuse to parse any feed that fails to validate, even for relatively "minor" problems (the libxml2 recovery facility is no longer used; besides, it abandons the rest of the feed when it hits such problems). I don't want to use Google Reader, since I don't like the interface.

Typically bad feeds have things like high-bit chars or bare ampersands. Thankfully, there's a "conversion filter" feature that you can use to work around the bad feeds. On the two bad feeds, I run this filter:


[moz@pent ~]$ cat bin/fix-ampersands 
#!/bin/bash

sed 's/\o226/&amp;/g' | sed 's/& /\&amp;/g' | sed 's/\o243/GBP/g'

Syndicated 2010-01-17 16:33:00 (Updated 2010-01-17 17:08:35) from John Levon

10 Nov 2009 »

The main indicators of egotism as I intend it here are are loud self-display, insecurity, constant approval-seeking, overinflating one’s accomplishments, touchiness about slights, and territorial twitchiness about one’s expertise. My claim is that egotism is a disease of the incapable, and vanishes or nearly vanishes among the super-capable.

I’m the crippled kid who became a black-belt martial artist and teacher of martial artists. I’ve made the New York Times bestseller list as a writer. You can hardly use a browser, a cellphone, or a game console without relying on my code. I’ve been a session musician on two records. I’ve blown up the software industry once, reinvented the hacker culture twice, and am without doubt one of the dozen most famous geeks alive.

No prizes for guessing who this was.

Syndicated 2009-11-10 16:27:00 (Updated 2009-11-10 16:30:05) from John Levon

279 older entries...

movement certified others as follows:

movement certified davej as Master
movement certified redi as Apprentice
movement certified riel as Master
movement certified prumpf as Master
movement certified quintela as Journeyer
movement certified JMarc as Master
movement certified tim as Journeyer
movement certified fenrus as Journeyer
movement certified Excalibor as Apprentice
movement certified JALH as Apprentice
movement certified baruch as Journeyer
movement certified daniels as Apprentice
movement certified nzkoz as Apprentice
movement certified jdike as Journeyer
movement certified akpm as Master
movement certified dwheeler as Journeyer
movement certified hch as Master
movement certified wli as Master
movement certified zwane as Journeyer
movement certified erikm as Journeyer
movement certified DV as Master
movement certified xmldoc as Journeyer
movement certified psg as Journeyer
movement certified jfreak as Apprentice
movement certified dak as Journeyer
movement certified kerz as Apprentice
movement certified KaiL as Apprentice
movement certified infodragon as Apprentice
movement certified ndw as Master
movement certified braden as Journeyer
movement certified graydon as Journeyer
movement certified LotR as Journeyer
movement certified phe as Journeyer
movement certified fscked as Apprentice
movement certified jeffalo as Apprentice
movement certified madhatter as Apprentice
movement certified rcastro as Journeyer
movement certified ahu as Journeyer
movement certified Mmarquee as Journeyer
movement certified lerdsuwa as Journeyer
movement certified movement as Journeyer
movement certified lukeg as Journeyer
movement certified mulix as Journeyer
movement certified amnesia as Apprentice
movement certified hald as Apprentice
movement certified hussein as Apprentice
movement certified dberlin as Master
movement certified returnoftheredi as Apprentice
movement certified linuxata as Master
movement certified eugeneteo as Journeyer
movement certified bcully as Journeyer
movement certified richlowe as Journeyer

Others have certified movement as follows:

rbrady certified movement as Apprentice
davej certified movement as Master
redi certified movement as Master
JMarc certified movement as Master
Excalibor certified movement as Journeyer
JALH certified movement as Apprentice
baruch certified movement as Master
daniels certified movement as Journeyer
fxn certified movement as Journeyer
hch certified movement as Journeyer
mulix certified movement as Master
erikm certified movement as Journeyer
zwane certified movement as Journeyer
minami certified movement as Journeyer
sits certified movement as Journeyer
braden certified movement as Journeyer
deepfire certified movement as Master
ladypine certified movement as Journeyer
phe certified movement as Journeyer
prla certified movement as Master
fscked certified movement as Master
madhatter certified movement as Journeyer
rcastro certified movement as Journeyer
AlanShutko certified movement as Journeyer
shlomif certified movement as Master
pasky certified movement as Journeyer
richdawe certified movement as Master
asanchez certified movement as Master
lypanov certified movement as Master
amits certified movement as Master
alejandro certified movement as Journeyer
albert certified movement as Master
error27 certified movement as Master
lerdsuwa certified movement as Master
movement certified movement as Journeyer
hussein certified movement as Master
amnesia certified movement as Master
miconof certified movement as Apprentice
returnoftheredi certified movement as Journeyer
nconway certified movement as Master
linuxata certified movement as Master
ncm certified movement as Journeyer
graydon certified movement as Master
eugeneteo certified movement as Journeyer
bcully certified movement as Journeyer
murajov certified movement as Master
ittner certified movement as Master new

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