RaspberryPi Zero für 5€ kaufen

Ab heute werden die ersten RaspberryPi Zero verkauft. Die ersten Angebote auf dem deutschen Markt sind in den Startlöchern. Konkrete Bestände zum Verkauf gibt es noch nicht, bestellen kann man aber die nächsten Tage. Spezifikationen A Broadcom BCM2835 application processor 1GHz ARM11 core (40% faster than Raspberry Pi 1) 512MB of LPDDR2 SDRAM A micro-SD…

Solution to “set failed… device or resource busy”

Problem: Cannot change wlan network (device interface) settings (iwconfig) on the RaspberryPi or your Linux Computer / Notebook, because it yields one of these lock errors due to busy device or resource: set failed on device wlan0; set failed on device mon0; failed: Device or resource busy wlan0 device or resource busy set ESSID: set…

RaspberryPi: Faster file transfer

Only have 5MB/s when uploading or downloading files? For faster file transfer, switch to a linux filesystem which is supported by the kernel directly. I have an external harddrive attached to my RaspberryPi. I plugged it straight from the Windows machine (ntfs) to it and used it with Samba. I was able to speed up…

cooling the RaspberryPi with heatsinks 24/7 operating

From Amazon, I bought this heatsink, with great expectations. My configuration for 800Mhz operating:

About 0 o’clock, I put the Raspberry from wooden ground to metal ground, reducing the overall temperature by about 5 °C. I wanted to reach a maximum temperature of 40-45 °C. At 19 o’clock, I shutdown the device to install…

reduce syslog logging for less i/o on the RaspberryPi

I wanted to remove some logging to have less disc (sd-card) i/o on my RaspberryPi. Using the latest Raspbian with rsyslogd, here are a few options for you: 1. cron sessions in auth.log

remove these by replacing the following line in /etc/rsyslog.conf:

by these lines:

  2. remove CRON completely from syslog…