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I'll try to make it as tl;dr as possible

  • I got a brand new Dell XPS 9380 with fresh ubuntu-mate 18.04 from the IT guy in my job.
  • I wasn't sure about mate so I tried different environments with tasksel
  • finally I decided to keep mate and I unchecked the others from tasksel
  • tasksel removed A LOT of dependencies, I ended up without graphical interface
  • I booted from a ubuntu-mate live-usb, mount encrypted partition and chrooted into it, ran tasksel again trying to install what it removed. I got graphical interface again, but NO WIFI.
  • from lspci I can tell that card is: Qualcomm Atheros QCA6174

What I've already tried:

  • sudo apt install linux-firmware (up to date)
  • sudo apt install linux-firmware-nonfree (can't find package)
  • copying QCA6174 binaries from /lib/firmware/... from live-usb into my system.

In debian installation you can chose an advanced option to manually go to one of the stages of installation, but I couldn't find that in ubuntu-mate graphical installation.

I don't have a clue of what I'm missing, and I would prefer not to completely reinstall in new partitions, since guys from IT encrypted the disc, installed anti-virus and set domain name, etc.

alete
  • 111

1 Answers1

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It is known that taskel should not be used to remove things.
It is very bad that you have learned this in painful way.

You may try to boot into the current console mode and then setup internet from it with terminal version of Network Manager interface:

nmtui

Or better - obtain somewhere USB or Thunderbolt Ethernet adapter and fix system from it.

If you want to install MATE DE back - use one of these commands:

sudo tasksel install ubuntu-mate-desktop

or

sudo apt-get install ubuntu-mate-desktop^
N0rbert
  • 103,263