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No matter how many articles have i found and read about installing and using Cockpit on Ubuntu, but I am no able to manage Networking and Updates in same time. While I want to manage network, I must have NetworkManager service up and running, otherwise i can see just blank white sceen in Network tab. But while NetworkManager service is up and running, I am not able to manage updates (receiving "Cannot refresh cache whilst offline" error message). Does anyone has solution for this strange behaviour, please?

wil hermes
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This worked for me.

sudo snap install network-manager && sudo snap remove network-manager && sudo shutdown -r now

Reference https://github.com/cockpit-project/cockpit/issues/8477#issuecomment-737046753

ForEachLoopThing
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  • Thank you! Unfortunatelly this is not working on my testing server somehow. Network tab is missing completely after I remove Network Manager when I tried "snap method". It is strange, because, I am missing this tab even if I use "renderer method". – wil hermes Feb 22 '21 at 09:47
  • Perhaps do a fresh install of 20.04? I did a fresh install and ran updates without messing around too much. I did this on 6 separate servers and they all came good. – ForEachLoopThing Feb 23 '21 at 12:01