Quick & Dirty “sniffer” for when you don’t have tcpdump
I recently needed a way to test if packets were reaching a linux device I’m testing. The device didn’t have tcpdump installed, so I didn’t have a real sniffer. Fortunately all I...
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Don’t Forget dmenu
When you install i3 on Ubuntu via apt-get install i3-wm, it should come with dmenu, but it doesn’t. Dmenu is a handy launcher that you can (by default) invoke with mod-d, then start typing the...
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Moving Through i3 Workspaces
The default i3 config file only has commands to move to a specific numbered workspace (e.g. mod-1, mod-2). For better or worse, I’m in the habit of “traveling” through the workspace...
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Getting dnsmasq, virtual machines (libvirt), and vpn to inter-operate
Fixing Dnsmasq to Work With Libvirt There’s a bug written in the Ubuntu tracker (and in Fedora too, I think) about running dnsmasq and libvirt at the same time. Basically, libvirt runs an...
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Controlling Audio with i3
As I mentioned in the last post, I’ve switched to the i3 window manager. After fixing the Caps Lock key, the next order of business is getting the audio keys on my multimedia keyboard to...
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Making Caps Lock an Additional Control in XWindows
Background: I just built a new computer, and “upgraded” to Ubuntu 12.04. I’ve been a fan of Ubuntu for a long time (first Debian, then Ubuntu because of the faster / more...
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GTK3 Example Code
Over the past year or so I’ve been doing a fair bit of GUI programming — both in ${DAYJOB}s and otherwise. Until just recently most of my GUI experience has been with wxWidgets (and most...
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User Interface Hall of Fame
A long, long time ago, I talked about a poor user interface. This is the follow-up “good user interface” post that I promised. I’d like to talk about Anki, which is a flashcard...
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User Interface Hall of Shame
I’m taking MIT’s 6.831: User Interface Design and Implementation through their free OpenCourseWare website. One of the homework assignments is to find two examples each for the “UI...
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Maintaining “Privacy” Under the New Google Privacy Policy
I put “privacy” in quotes, because under the scheme below you’re still giving up a lot of data, but you can (I think) still maintain “silos” of data so that, for...
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New HTML Parser: The long-awaited libxml2 based HTML parser code is live. It needs further work but already handles most markup better than the original parser.
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