As in the title description, I can't surf on the internet by wifi connection (probably also with ethernet connection but at the moment I can't test it) after I upgraded from Ubuntu 17.10 to Ubuntu 18.04. My device is a Dell Inspiron 15 with Qualcomm Atheros QCA9377 as the wireless network adapter.

If I do ping it seems working but if I do ping google.com or some other one It not works...

Can someone help me?

  • Please edit your question to add the result of the terminal command: ls -al /etc/resolv.conf – chili555 Sep 23 '18 at 19:03

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