SSL ciphers
I can seldom remember which SSL ciphers to set up, which is why I’m so glad https://cipherli.st exists. That makes it so much easier to get an A rating on the SSL Labs security tests.
View ArticleHow to find BOTs in a LAN
If you’re a Systems or Network Administrator and you have Windows PCs on your network, this How to find BOTs in a LAN article may be of interest.
View Articlehome automation
I recently gave a presentation on Home Automation to a room full of engineers/programmers. I was asked several times to share the presentation. The state of home automation has improved greatly since a...
View ArticleChild Automation and our Yale Deadbolt
I found almost exactly the lock I was looking for in the Yale YRD240-ZW-605. The wife and kids love it too, making me even happier with the choice.
View ArticleMotion Sensors
Thanks – very helpful! I’m curious – what model of motion sensors are you using? Have you had good luck with them? What’s the battery life like? Is it practical to put them in pretty much every room...
View ArticleAn auspicious start to DOS programming
In 1992 I was a young geek of 19 years. My programming experience consisted of the BASIC programs in the manual that came with our Commodore 64 and a few others in our schools Apple II lab. I had also...
View ArticleBandwidth shaping on Mac OS X
By what dark magic has Apple accomplished this task? Inspecting the network interface didn't turn up anything special so I checked the firewall rules (sudo pfctl -sa) and found dummynet rules! In the...
View ArticleApple data centers on 100% renewable power
Apple is spending an eye popping $850 million to build a ginormous solar farm (280 megawatts) that will power their entire California operations. This new solar farm is not to be confused with the 70MW...
View Articlenginx and cronolog
Since the last century, I've been in the habit of piping my web server log files through cronolog and off to automatically selected files in the pattern /var/log/http/2015/10/23/access.log. This works...
View Articleheat pump water heater
In July I purchased a GE Geospring ($700 at Lowes in Seattle) 50 gallon heat pump water heater. I installed it myself in the basement. It’s wired the same as a typical electric water heater, so I just...
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