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Seems the same problem I've had. Solution was: /etc/NetworkManager/NetworkManager.conf
Content of the file: [main] plugins=ifupdown,keyfile
[ifupdown] managed=true
After upgrade from Wheezy to Jessie managed=false; set it to TRUE and Network-connection will not fail anymore
In my <control-bar> at the bottom of the screen, i have applet networkmanagement installed - before correcting above mentioned file, it always showed that NO network-connection is available.
A workaround was "ifup eth0" in a console-window; that caused software-management (in systemsettings) not to fail in case of beeing 'offline'.
Greetings Herbert
Der Horizont vieler Menschen ist ein Kreis mit Radius Null - und das nennen sie ihren Standpunkt |