electronic notes
To increase the reliability of embedded systems - especially ones that are hard to physically access - one can use an embedded watchdog. The watchdog, once activated, will reset the system if it is not fed for a certain time-interval. This guarantees a clean reset in case the system ends up in …
First of all let, me state that the following instructions are specific for the Raspberry Pi 4 and a machine running CentOS 7. The instructions are based on two articles by Jonathan Bennett published on Hackaday: Hack My House: Running Raspberry Pi Without An SD Card and Network Booting The …
While trying to disable the terminal bell in Gnome on Ubuntu 18.04 I accidentally triggered a bug causing Gnome to play two alert sounds when triggered. The bug has been known (Ubuntu bug #1753070) for quite a while now, but unfortunately has not been fixed yet. In the bug …