Questions tagged [discover-software-center]
For questions regarding Discover Software Center, an application installer app for KDE.
36
questions
10
votes
1
answer
6k
views
Getting “The input is not of cabinet format” on Discover
Discover lists 2 items to update:
"Dell System Firmware"
"UEFI dbx"
I don't know how to search for this on the cli. But if I try to install directly in Discover, I get 2 errors “...
- 103
8
votes
1
answer
7k
views
Kubuntu update yeilds, "no metadata URIs for vendor-directory"
Kubuntu 22.04 with backports (upgraded from Kubuntu 20.04 with backports).
When I use Discover to install updates, I get a momentary pop-up in the Discover window that reads "no metadata URIs for ...
- 121
8
votes
1
answer
3k
views
How to force flatpak to ask for a password
When installing a flatpak that will be installed globally anyone in the sudo group can install a flatpak without sudo.
Is there a way to either edit the polkit rules that are installed by flatpak to ...
- 7,107
6
votes
3
answers
4k
views
Software Sources not accessible from Discover
Updated to Kubuntu 22.04 today and i am facing a problem with Software Sources in Discover.
I am able to install and remove programs using discover.
My password is not being accepted. It was working ...
- 111
6
votes
2
answers
134
views
Uninstalling an app I'm not sure how it was installed
Kubuntu 21.10
Foxit Reader is unstable as hell on my PC so I want to remove it, but I don't remember and now can't find how it was installed in the first place so I can do it right. dpkg didn't list ...
4
votes
1
answer
3k
views
What is the difference between lvfs and vendor-directory?
What is the difference between lvfs and vendor-directory?
KDE has recently added support for lvfs. That is enabled by default, but when looking at the software sources I also see 'vendor-directory - ...
- 188
3
votes
2
answers
877
views
Difference between the two Flatpak backends available in apt for Plasma Discover? Is there a problem from Installing both?
So basically I wanted to add Flatpak support to Discover and I came up with these two different Apt commands
sudo apt install plasma-discover-flatpak-backend
sudo apt install plasma-discover-backend-...
3
votes
3
answers
9k
views
KDE Discover You have no authorization to execute this operation (Kubuntu 20.04)
Since yesterday every time I try to download something from KDE Discover on Kubuntu 20.04 I get the following error.
You have no authorization to execute this operation
The only way to download ...
3
votes
0
answers
1k
views
Discover does not start on Kubuntu 23.04
For some reason Discover doesn't start on Kubuntu for me. This has started happening starting a few weeks ago. I can run apt-get commands just fine from the console with no warnings or errors. There ...
- 131
3
votes
1
answer
2k
views
KDE applications installed through plasma-discover not showing, must be launched through Software Center
KDE version: Ubuntu 20.04.3 LTS
Plasma Discover Version: 5.18.5-0ubuntu0.1
I rebooted my PC and afterwards, any applications I had previously installed through plasma-discover (https://userbase.kde....
3
votes
3
answers
6k
views
How to install deb files on kubuntu without using terminal?
I just installed Kubuntu and downloaded chrome, steam, and Dropbox deb files. When I try to install them using Kubuntu's software manager Discover, it says it can not install from an unsigned repo.
Is ...
- 870
3
votes
1
answer
1k
views
Diverging package lists between APT and KDE Discover
When I boot into Kubuntu 20.04, the Discover application launches and shows me a list of available updates. But when I go to the terminal and do an apt-get update followed by apt-get upgrade these ...
- 131
2
votes
1
answer
92
views
Discover wants to install older kernel version
I have recently installed Kubuntu 21.04, and upgraded the kernel manually to version 5.14 because the wifi adapter was not recognized first and I read in a forum that it has been solved in the new ...
- 23
2
votes
0
answers
494
views
Can't install KDE app from Discover on my Kubuntu 22.04
I need to install Kalendar on my Kubuntu 22.04, but Discover can't find it. I tried searching in Discover and got infinite loading, tried opening using plasma-discover --application appstream://org....
2
votes
0
answers
2k
views
19.10: Plasma Discover takes a long time before enabling the "update all" button
I've ran into a strange issue today. After clicking on the "you have updates" icon on the notification panel, discover refreshed sources, found updates for the kernel and... nothing. The update all ...
- 380
1
vote
1
answer
3k
views
managing kernels in Ubuntu 20.04
I tried to get some free space on my system partition. I found a lot of installed kernels and I deleted some. I have 2 questions:
I still have kernel 5.4.0.100 low latency. Shouldn't the normal ...
- 19
1
vote
2
answers
2k
views
KDE Discover - You have no authorization to execute this operation (Kubuntu 20.10)
I have recently installed Kubuntu 20.10 and since yesterday I am getting following error whenever I am trying to remove or install something from Discover.
You have no authorization to execute this ...
- 145
1
vote
0
answers
349
views
Discover Software Loader - Painfully Slow and Barely Operable on Lubuntu 22.04
On Lububtu 22.04 the Discover software loader is painfully slow. I can not scroll down to see the packages and it crashes often. Is there a fix or work around?
- 169
1
vote
0
answers
106
views
Dependency problems - probably from flatpak
I installed a flatpak so I could use the new version of Kcalc on kubuntu 18.04. (It has calculation history now which rocks!)
(I know ... I'm going to upgrade kubuntu as soon as I can.)
Everything ...
- 1,904
1
vote
0
answers
169
views
Why does Discover show a message about universe when it starts?
The following appears briefly when I start the Discover app. I had to take a picture and copy it by hand. I believe it has something to do with dpkg because I have seen similar messages before with ...
- 111
1
vote
2
answers
374
views
Ignore idividual (non-security related) updates fron Discover in Kubuntu 20.04 LTS
Before I get flamed..
I don't want to ignore important security updates or updates for any programs that could be security risks or compromised.
Just programs I use for note taking or music production ...
- 11
1
vote
0
answers
533
views
How to enable automatic updates (all) on Kubuntu 20.04
I would like that Discover in my Kubuntu fully and automatically installs all updates in the background. I looked into Muon and set the opion active: "Install security without confirmation". ...
- 345
1
vote
3
answers
4k
views
Plasma-Discover not starting on Kubuntu 20.04
When I try to start Plasma Discover on my Kubuntu 20.04 by clicking on it nothing happens.
I can only start it on the command line with "sudo plasma-discover". Then it opens but the Discover ...
- 345
1
vote
0
answers
571
views
Why are some snaps missing from Discover searches
I am having a strange issue with Plasma's Discover
Not all snap packages are shown in a search.
If there is only a snap package and a regular Ubuntu (.deb) package it will show both packages.
...
- 7,107
0
votes
1
answer
858
views
Disable fwupd integration in KDE Discover
I'm running the 22.04 Kubuntu beta on an XPS 13 7390. I would like to disable fwupd, as an automatic Dell BIOS update bricked my laptop so badly last time that even the USB recovery wouldn't work. ...
- 121
0
votes
1
answer
883
views
KDE Discover doesnt start up with weird error message
I just freshly installed Kubuntu on my Laptop and everything ran smoothly.
Then plasma-discover stopped working all of a sudden. When I try to start it, the Window appears for a second or so as a ...
- 195
0
votes
1
answer
254
views
Cannot open discover
Tried to open discover but it diddnt open . The error is :
fetch ratings! true
adding empty sources model QStandardItemModel(0x5f1b73a69f30)
Pls anybody help
OS: Kubuntu 24.04 LTS x86_64
Kernel: 6....
0
votes
0
answers
114
views
Once-normal package updates are being labeled System Upgrades
For a week or so now, I've had a "System Upgrade" show up in my Kubuntu (22.04.3 LTS) laptop's Discover at least once a day that, when installed, requested I reboot my system. I was confused ...
0
votes
0
answers
31
views
Kunbuntu Discover Error
Every time I launch Discover I get the following error:
W: GPG error: http://deb.playonlinux.com saucy InRelease: The
following signatures couldn't be verified because the public key is
not available:...
- 1
0
votes
0
answers
145
views
Muon Package mgr will not update packages, cautious upgrade grayed out, bug reporter not functional
Kubuntu 22.04 KDE 5.92.0
Muon Package Manager ver. 5.8.0 New install...
Muon will not get updates, the sparing times that it did, the cautious upgrade would be grayed out, full upgrade is grayed ...
- 389
0
votes
2
answers
140
views
Where can I find debug symbols for KDE Discover
I am trying to provide a backtrace for repeated crashes of KDE Discover, but cannot find (much less install) the needed debug files.
I have attempted to find debugging symbols for Discover by adding ...
- 316
0
votes
1
answer
25
views
Does Discover place icons on the Desktop?
Should Discover automatically put icons for programs it installs on the Desktop? Or is it usually the program's installation program that does this, provided the program's developer intended there be ...
- 533
0
votes
0
answers
214
views
I can't remove a software package that needs to be removed to update my system
This is preventing me from updating my system and also making app installations fail.
The package name is linux-image-5.15.0-25-generic.
I am on Kubuntu 22.04 LTS.
EDIT:
As requested:
To find kernel ...
- 1
0
votes
0
answers
1k
views
Cannot obtain lock in Kubuntu
When ever I connect with the Wi-Fi, it asks wallet password. Is that holding the lock resource? Or should I update from the terminal? The actual error is shown at the bottom of the picture.
https://...
- 143
0
votes
1
answer
257
views
lubuntu 19.10 / myria MY8312SV / discover app / can not obtain lock [duplicate]
I can not install nor upgrade anything
'can not get lock var/lib/dpkg/lock-frontend. it is held by the process 2469 ...'
could you suggest what to do to ?
-1
votes
1
answer
132
views
Which software management application should I use
I'm bit confused which app should I use to uninstall software. Is it "Discover", is it "Snap Store", is it "Software"? Sometimes I can do it with apt, but sometimes not. ...
