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S Feb 8, 2023 at 10:18 history suggested pateksan CC BY-SA 4.0
Format; a short paragraph added from a popular comment.
Feb 8, 2023 at 6:54 review Suggested edits
S Feb 8, 2023 at 10:18
Aug 21, 2021 at 3:03 comment added ToiletGuy Can I avoid reboot?
Jan 26, 2021 at 9:18 history edited GAD3R CC BY-SA 4.0
added 1 character in body
Sep 7, 2017 at 10:57 comment added alex Sorry, had to reinstall the whole system. WiFi still doesn't work. But, at least, after by removing the .../setup file and following your solution the error doesn't occur anymore.
Sep 7, 2017 at 10:54 vote accept alex
Sep 5, 2017 at 12:53 history edited GAD3R CC BY-SA 3.0
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Sep 5, 2017 at 11:03 comment added alex Thank you very much for your time and effort! Please adapt your answer to the concluding remark "Delete everything from your interfaces...". I will then check the answer as the solution. Seems I have to research further for the WiFi issues. If you have something in mind what could help me send me a short comment. Have a good day! :)
Sep 5, 2017 at 10:54 comment added alex OK: networking.service is working fine and the NetworkManger too (meaning it is showing the connections and not device not managed as before). However the WiFi is not conecting -- even if it is showing the networks.
Sep 5, 2017 at 10:46 comment added GAD3R Delete everything from your interfaces configuration file , just keep auto lo and iface lo inet loopback then reboot
Sep 5, 2017 at 10:26 comment added alex Thank you. Added EDIT3 as requested inside the question. Please do consider also that after the last try, before, the error was not there, but the networking service did start very slowly -- a timer started counting more then a minute, while after booting the NetworkManager was again stating device not managed for cable and WiFi. The networking service in working now, however the WiFi doesen't work. Could it be that there are two distinct issues I have: (1) networking service isn't starting properly at boot-time, (2) WiFi not working with right with the NetworkManager.
Sep 5, 2017 at 9:57 comment added GAD3R Before reinstalling the system , Update the output of sudo systemctl status networking.service then we will try the old predictable network interface names
Sep 5, 2017 at 9:38 comment added alex Tried as suggested, to replace eth0 with enp3s0 inside the /etc/network/interfaces.d/setup along with the changes suggested inside your answer. It doesn't work. Since I've lost too much time with this issue I consider to reinstall the whole system and prepare (a USB drive) to provide the WiFi drivers at installation time -- which I've didn't do last time. Do you think it could work?
Sep 4, 2017 at 20:54 comment added alex Tried like told above (without removing variant, and 2X allow-hotplug ...). Sadly it did not work. The behavior changed: (1) the boot error remained, (2) the NetworkManager doesn't see/shows any WiFi or LAN networks anymore showing device not managed message for both. However the cable-LAN connection & internet works. Any idea? Did you read the comment of JdeBP below the question?
Sep 4, 2017 at 20:37 history edited GAD3R CC BY-SA 3.0
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Sep 4, 2017 at 19:55 comment added alex So I've tried as indirectly suggested by the text with eth0, rebooted, and then eth1 and rebooted again. Non of them worked. Please see also the interface names in the question EDIT2 above. I've added the complete interface names there. Please help me to find the right interface name (consider the comment of JdeBP below my question). Thank you.
Sep 4, 2017 at 19:27 comment added alex Thank you for the solution. Please give me a hint what "<your_interface_here>" is, or where I find it?
Sep 4, 2017 at 19:19 history edited GAD3R CC BY-SA 3.0
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Sep 4, 2017 at 19:09 history answered GAD3R CC BY-SA 3.0