Spam filtering for SMS messages. (~1,000 messages per second running at the carrier)
Voice and SMS applications hosted in the cloud. 1/2 the price of Twilio and $10 free for signing up.
WiFi Hybrid cellphone, $19/mo with no contract for all you can eat service.
- Older but Still Important
A location specific DNS server for building CDNs, VoIP services and other location based applications.
SRV / NAPTR generic record builder
A generic record builder for non-nativly supported record types in tinydns, part of the djbdns nameserver.
RRDTool based graphing for IP enabled Thermostats.
Form Post Hijacking
What "Form Post Hijacking" is, why spammers hijack forms and what you can do about it.
A picture based CAPCHA system that is free to use on any website.
- Really Old
Sample configuration files for the notoriously finniky Apache Tomcat servlet environment.
Perl script to quickly create a thumbnail webpage of an images directory.
A PostgreSQL schema for recording web access information typically from Apache.
A small content management system in active production at The Stony Brook School.
A student merit / demerit tracking system for boarding schools.
A web driven stock market simulation game that uses prices from the live stock market.
Systems Administration Notes
Unorganized notes primarily from Linux systems administration experience.
Crib sheet on quickly setting up postgres and some comments on performance tuning.
Reverse Classless Delegations with tinydns
Example of how to make tinydns serve a reverse classless name delegation.
Helpfull chart to look up netmasks.
RTP Payload Types
Chart to look up RTP payload codecs.
- PostgreSQL Notes
1030N Set-top Box
Experiences getting Linux running on a box with no moving parts featured on Slashdot.
- Blog Quote
- Totally Obsolete
Linux Netatalk HOWTO
A fairly popular guide covering Linux installation of the Appletalk fileserver.
A database driven car MP3 player featured on the front cover of Maximum Linux magazine in January 2001.
- Linux Netatalk HOWTO