Hello,

 

i have a old Banana Pi M2 with the current Armbian in use.

 

I use the green LED with Heartbeat Signal.

 

Today i try to connect with putty but after Username and PW nothing happen. Samba Service work normal. Then i have look at the Banana and the green LED was lightning constant and no heartbeat blinking.

 

Maybe the trouble was because in a few meters distance sawed with a circular saw. Has perhaps caused interference or power fluctuations. No idea and maybe just coincidence. I have been using Armbian for only two days. Previously, the manufacturers ran Distribution for two years.

 

I have Google and found out that the Banana has software Watchdog and i can install that daemon service.

 

What will be the best watchdog option for reaction for scenario today with no ssh login and no heartbeat Signal but working samba and working ftp?

Edited February 21, 20188 yr by kurto

Thank you very much for the many Hints and helping solving Question.

 

I build my own Hardwarewatchdog observing the LED with a Microcontroller that make Hardreset.

 

Topic can be closed to prevent that this topic overflow with more great hints.