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3

This will resolve your issue: wget -qO - https://download.opensuse.org/repositories/Emulators:/Wine:/Debian/xUbuntu_18.04/Release.key | sudo apt-key add - Then: sudo apt-get update


3

Remove the http://ppa.launchpad.net/alexlarsson/flatpak/ubuntu ppa. You might've added it from various guides around the internet when flatpak was released, that's how I got it. It's no longer needed as, since 5.1, elementary supports flatpak out of the box. Source: https://github.com/elementary/os-patches/issues/145


2

Resolve Missing Firmware Warnings If everything is working fine, then those warnings are of no importance so technically you can ignore them. Anyway, to have a peace of mind you can get rid of those by manually downloading and installing firmwares. First download all missing firmwares from Intel repository of firmware blobs: For i915: https://git.kernel.org/...


2

Just remove the repo for your system: sudo rm /etc/apt/sources.list.d/vivaldi.list I hope this help you Edit: Could you please try: cd ~ wget https://repo.vivaldi.com/stable/linux_signing_key.pub sudo apt-key add linux_signing_key.pub


2

To disable ad-blocking in eOS, you need to open the browser, click on the gear icon, and set the preferences to allow ads. However, this isn't the kind of fidelity that you're looking for. In Epiphany, the eOS default browser, ad-blocking is binary, meaning that it is either on or it is off. You can't disable it for individual sites while keeping it enabled ...


2

flatpak update fixed it for me as well


1

Your issue seems to be caused by some obsolete / wrong repositories. First one (http://ppa.launchpad.net/djart/minidlna/ubuntu) was not updated since 2014, and using it is a really bad idea. You can remove it safely with: sudo add-apt-repository --remove ppa:djart/minidlna For the next ones, you'll have to do some source.list editing, because they contain ...


1

Here's how I solved the flatpak update issue. Update faltpak in Terminal. flatpak update One package org.freedesktop.Platform.GL.default found but got error when update. List the installed package. flatpak list I found the same package is installed. Uninstall that package. flatpak uninstall [Application ID] Update flatpak and it success. flatpak ...


1

It looks like the file permissions on the flatpak folder in your home directory (or possibly your home directory as a whole) are broken. Have you possibly ran a GUI program with sudo or ran some script that could have caused this? I'd start by resetting the ownership of the flatpak directory. To do this: Run: sudo chown -R ryan:ryan /home/ryan/.local/share/...


1

Uninstall a corrupt repository by hand and it works fine. Download and update.


1

to delete a uncompatile or bad repository try this command in the termnial $ sudo nano /etc/apt/sources.list when nano is openned, remove that bad repository (manuelscheider) and press Ctrl + O to save and Ctrl + X to exit. After this operation run this command in the terminal $ sudo apt-get update && sudo apt-get upgrade -y And that is all. I hope ...


1

Oh god, finally, i solved the issue. When i execute sudo apt update && sudo apt upgrade on terminal, gets following output: samet@samet-X540LA:~$ sudo apt update && sudo apt upgrade Aynı: 1 http://tr.archive.ubuntu.com/ubuntu bionic InRelease Aynı: 2 http://tr.archive.ubuntu.com/ubuntu bionic-updates InRelease ...


1

It's the same you used to login to your account on eOS. That in mind that your are the administrator of that system.


1

This fixed it sudo apt-get upgrade silly me, should have done this first.


1

Now I know what was going on The ISP company that provide my internet has as poor DNS, so I changed the DNS to 1.1.1.1 and 1.0.0.1 to modem's configuration and now everything is updating. All my sources.list.d/ files was poiting to bionic which it's the right thing to do. So if anyone has this problem, please try to check your DNS first Thanks ...


1

There's also the /etc/apt/sources.list.d as well. Each file in that directory can contain other repositories your system will search. Check there to see if you're referencing an outdated repo.


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