Linux, programming and more
This is my live example of permanent (301) redirection to external URL with Nginx, all incoming requests will be redirected to a Facebook group.
cat /etc/nginx/sites-enabled/domain.de
1 2 3 4 5 6 7 8 9 10 | server { server_name domain.de www.domain.de; listen [::]:80; server_tokens off; location / { rewrite ^ http://www.facebook.com/groups/399191/ permanent; } } |
Each 1-Wire slave has stored in ROM a unique 64-bit serial number that acts as its node address device to be individually selected from among many that can be connected to the same bus wire.
About the Protocol [Read more…]
The speed of the sound in the dry air (20° C) is around 343 m/s. Send a short ultrasonic pulse at Frequency of 40Khz in the air, and try to listen to the echo. Of course you won’t hear anything (only a little click noise), but with an ultrasonic sensor the back pulse can be detected. If you know the time of the forth & back travel of the ultrasonic wave, you know the distance, divide the distance by two and you know the range from the ultrasonic sensor to the first obstacle in front of it.
[Read more…]
Roundcube is web based open source multiuser IMAP client, yesterday I upgraded my older installation to a new stable version 0.8.2.
After successfully installation I was able to see a new redesigned login window with stupid server field. [Read more…]
The BeagleBone is the low-cost, high-expansion hardware-hacker focused BeagleBoard. It is a bare-bones BeagleBoard that acts as a USB or Ethernet connected expansion.
BeagleBone brings full-featured Linux to places it has never gone before.
Delicious facts about BeagleBone
AM3359 Processor btw. this is the Datasheet [Read more…]