Guys...I got this problem solved by running these commands... Install WICD to manage the network
sudo apt-get install wicd-gtk Stop and disable Network-Manager sudo systemctl stop NetworkManager.service sudo systemctl disable NetworkManager.service and uninstall avahi-autoipd and isc-dhcp-client using synaptic But now I'm having two problems, one, system setting is not working 'cause NetworkManager is disabled, two wicd sets a random ip even it's configured as static so when I turn on the system or restart it, I have to disconnect and connect again to wicd recognize the righ ip. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1568560 Title: nm_device_get_device_type: assertion 'NM_IS_DEVICE (self)' failed To manage notifications about this bug go to: https://bugs.launchpad.net/network-manager/+bug/1568560/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
