Archives for posts tagged ‘network’

Uptime down

Well my little Solaris running mini itx system finally no longer has a giant uptime. At about 779 days and 45 minutes the power went out for about 5 seconds bringing this mini system’s big uptime to an end. That’s what I get for connecting a temporary system to wall power I guess…because in IT [...]

IR Sensor network.

I was thinking about making a sensor network. I considered just making every sensor fat with Ethernet. Ethernet modules run around $25 + $0.50 for a MAC address eeprom. That can really add up fast if you have no budget. Then there are ip addresses, configuration code, local interfaces, cables, and power, and wait…a cable, [...]

Ethernet Arduino

The Arduino folks in Italy hinted at bringing an Ethernet + Arduino w/POE to market. I can hardly wait. I just came across someone else’s project. IMAGINATION, a branding company that does auto shows and the like made their own, including DHCP + TFTP network bootloader! Imaguino

DHCP Options (for clocks)

A couple DHCP options that are handy for network clocks: 42: NTP Server 100: IEEE 1003.1 TZ String. 101: Reference to the TZ Database. RFC2132, RFC4833