my raspberry is losing frequently to internet. All other clients are working fine only raspi is affected. I believe it has to die with DNS or my Fritzbox 7490. When I restart Fritzbox it usually works again. Has anybody a solution for that?
sudo apt-get update Err:1 https://apt.homegear.eu/Debian stretch/ InRelease Could not resolve host: apt.homegear.eu Err:2 https://dl.bintray.com/openhab/apt-repo2 stable InRelease Could not resolve host: dl.bintray.com