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Downloading from repositories with no Release files - Wacom

in flag

I've been trying to install the following: https://github.com/linuxwacom/xf86-input-wacom/wiki/Building-The-Driver in my 20.04.1 Ubuntu device.

This concerns Wacom tablet drivers. I've managed to successfully install the Kernel drivers, however, when it comes to the X Driver which is an optimization for the device, I get the following messages in my terminal:

sudo sh -c "apt-get update && apt-get install xserver-xorg-input-wacom$(dpkg -S $(which Xorg) | grep -Eo -- "-hwe-[^:]*")"
...       
Err:9 http://ppa.launchpad.net/doctormo/wacom-plus/ubuntu focal Release        
  404  Not Found [IP: 91.189.95.85 80]
Get:10 http://cy.archive.ubuntu.com/ubuntu focal-backports InRelease [108 kB]
Reading package lists... Done       
E: The repository 'http://ppa.launchpad.net/doctormo/wacom-plus/ubuntu focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

I've tried going to the sources.list file, to permit the source, however even after I add it with a [trusted=yes] mark, the problem persists. Any ideas for a solution? I'm providing the sources.list file below as well. I tried manually adding deb [trusted=yes] http://ppa.launchpad.net/doctormo/wacom-plus/ubuntu focal Release' but it did not work. I wanted to provide my sources.list file as it is but StackOverflow won't let me cause it is 'spam'.

If it would be possible I'd like the steps to be explained as detailed as possible, as I am quite a newbie to linux devices in general, let alone know specifics about these things. However, any sort of answer would be helpful. Thanks in advance.

N0rbert avatar
zw flag
Remove the [problematic PPA](https://launchpad.net/~doctormo/+archive/ubuntu/wacom-plus) by `sudo add-apt-repository -r ppa:doctormo/wacom-plus` and then use official Wacom package named [`xserver-xorg-input-wacom`](https://packages.ubuntu.com/focal/xserver-xorg-input-wacom).
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