check screensaver and wlan power off

[khassel]

• https://www.raspberrypi.org/documentation/configuration/screensaver.md

• https://www.kuerbis.org/2016/03/raspberry-pi-3-kurztipps-wlan-sleep-mode-verhindern/

[khassel]

@guysoft thanks for this info.

So wlan power save is remaining. This is enabled by default:

pi@magicmirroros:~ $ iw wlan0 get power_save
Power save: on

I'm not sure if this can lead to a black screen.
We can wait if someone reports this or we can add sudo iw wlan0 set power_save on in the start script run_magicmirroros. Please let me know ...

[guysoft]

take a look at this. The last non upvoted on about the interfaces file: https://raspberrypi.stackexchange.com/questions/96606/make-iw-wlan0-set-power-save-off-permanent

[khassel]

checked this link already, but failed to get this working.

Solutions working are

• sudo iw wlan0 set power_save off in run_magicmirroros
• /sbin/iw wlan0 set power_save off in /etc/rc.local