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Author: halfgaar
Speed up xsltproc xhml – install DTDs
I keep forgetting which package to install in Ubuntu to get the DTDs for html, to stop xsltproc from hanging forever. So, for posterity: w3c-sgml-lib. I think it was w3c-dtd-xhtml in Ubuntu 16 and older. Read More »
Setting up a Zimbra authenticated proxy
On March 18th, Synacor posted about a critical Zimbra security vulnerability (CVE 2019 9670), which was quick to be exploited in the wild, and subsequently evolved to be harder to erradicate.
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Programming my friend’s remote
I built a sound system for a friend, and programmed Philips RC5 remote control into the microcontroller. I recently ordered this remote:
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Git and Tig config base
Here's just a quick .gitconfig:
[core]
commentchar = %
[tig "color"]
date = cyan black bold
diff-header = cyan black
[tig]
ignore-case = yes
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Attempt to repair short on motherbord
At work, we had a small embedded PC that had a short in the mainboard. I attempted a fix, mostly for educational purposes. It wasn't successful, but I wanted to post the method and result anyway. The method I used is elaborately explained on Youtube, so go hunt there for more details.
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Garbled screen in tmux on Ubuntu 18.04 in Konsole
There is a bug in Konsole with tmux: lines often aren't cleared properly. To fix, put this in tmux.conf:
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Nginx maintenance page
Just some example code for an nginx maintenance page:
server {
listen 80;
listen 443 ssl;
server_name www.example.com;
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Softstarter (ballast start) relay charred after years of use
This is an interesting case. I made a sound system for a friend in 2012. In it is a soft-starter, that engages the heavy transformer through a ballast, so that the fuse doesn't trip. This is it:
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Digital audio passthrough on TVs
I was researching how TVs pass through audio coming in from HDMI, and I found this. Just dumping it here as memory. Read More »
Spectre and Meltdown Status
Just some quick links with the status of Spectre and Meltdown:
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