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March
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Using a Flashdisk and take care about limited writes
03/25/08
For me it is sufficient to have data written every 20 Minutes.
To enable this i use laptop-mode and set some values in /etc/sysctrl.conf:
vm.swappiness = 0
vm.laptop_mode = 1200
vm.dirty_writeback_centisecs = 120000
vm.dirty_expire_centisecs = 120000
vm.dirt -
Install minimal sid with cdebootstrap from ubuntu gutsy
03/22/08
To bootstrap debian sid on a second harddisk do following
* create partitions / filesystems
cfdisk /dev/hdc
mkfs.ext2 /dev/hdc1
mount -o rw,suid,dev /dev/hdc1 /mnt
mkswap -f /dev/hdc2
swapon /dev/hdc2
* bootstrap (with a deb proxy like appro -
digitemp with collectd
03/16/08
I used following schematic
Additionally i connected three twisted pair wires with a 100 Ohm resistor. At the end of each wire a schottky diode reverse biased across the DS18S20 sensor against spikes is used.
At the moment i have 5 DS18S20 temperature sensors (inside -
Linksys SPA-3102 call throu PSTN / Call Forward no answer (CFNA)
03/13/08
I will make calls from my phone to PSTN and with dial extension "#9" to my voip account.
This is done with following dialplan "(xx.<:@gw0>|<#9,:>xx.)"
If a call from PSTN is not answered within 20 sec the call should be redirected via voip (see C
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Using a Flashdisk and take care about limited writes
- February
- January
- 2007