Questions tagged [appstream]

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How to handle appstream:// links in Ubuntu?

I have some AppStream links (for ex.: appstream://org.kde.k3b.desktop) that I want to open, I tried to find an app to open them but couldn't find any, so any ideas on how to do this ?
1
vote
1answer
78 views

How does Discover decide which applications it should feature?

Kubuntu's software management suite is called Discover (or plasma-discover if you're using a terminal) and is analogous to the Ubuntu Software Center (or gnome-software). Its main panel displays a ...
4
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0answers
183 views

`fwupd.xml` Errors during 16.04 LTS update [duplicate]

I'm new to Ubuntu, I have 16.04 LTS. And I came across this error during the last update: AppStream system cache was updated, but problems were found: Metadata files have errors: /var/cache/app-info/...
2
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1answer
997 views

Metadata and appstream Error while Updating

I am getting an error while updating as a root. After Update log below error was shown in terminal. AppStream system cache was updated, but problems were found: Metadata files have errors: /var/...
1
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0answers
297 views

Apt update failing after updating appstream [duplicate]

this issue is linked to how I can fix "AppStream cache update completed, but some metadata was ignored due to errors."?" I had similar problem as described in issue and the approved ...
-2
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2answers
614 views

What does the apt update error mean? [duplicate]

After running "sudo apt update" it seems to work but I get this error "AppStream cache update completed, but some metadata was ignored due to errors." What does it mean? ubuntu 16.04 LTS Hit:1 http:/...
12
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1answer
6k views

appstreamcli: AppStream system cache was updated, but problems were found: Metadata files have errors: /var/cache/app-info/xmls/fwupd.xml

How do I get rid of this? $ sudo apt-get update Hit:1 http://se.archive.ubuntu.com/ubuntu xenial InRelease Hit:2 http://se.archive.ubuntu.com/ubuntu xenial-updates InRelease ...
1
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0answers
29 views

Updating package lists in 16.04 [duplicate]

I'm running 16.04 from a thumb drive and receiving an error message when I attempt to update package lists. ubuntu@ubuntu:~$ sudo apt-get update Ign:1 cdrom://Ubuntu 16.04.4 LTS _Xenial Xerus_ - ...
1
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0answers
32 views

Running command sudo apt-get update, getting error “Error while moving old databse out of the way” App stream cache update failed [duplicate]

Error while moving old database out of the way. App stream cache update failed
73
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7answers
62k views

E: Problem executing scripts APT Update::Post-Invoke-Success error during apt-get update

I cannot install any package. It seems the command apt-get update must be run but it throws some errors: $ sudo apt-get update Get:1 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 ...
27
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2answers
74k views

E: Problem executing scripts APT::Update::Post-Invoke-Success [duplicate]

I am getting the following error when I run sudo apt update Aborted (core dumped) Reading package lists... Done E: Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin/test -w /var/...
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0answers
448 views

AppStream problems found “Metadata files have errors: /var/cache/app-info/xmls/fwupd.xml” on Ubuntu 17.04 [duplicate]

I have researched this, and there are no other entries on the internet that I can find with this problem, so posting here. It may be that the wording in 17.04 is different leading to no hits. But ...
11
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3answers
17k views

Ubuntu 16.04: appstreamcli error while get-update [duplicate]

I am trying to enable WiFi. I tried sudo apt-get update. But I am getting this error: The AppStream system cache was updated, but some errors were detected, which might lead to missing metadata. ...
3
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1answer
297 views

Is it safe to upgrade appstream if APT has kept it back?

I ran apt upgrade the other day, and got this: The following packages have been kept back: appstream According to a related question somewhere on this site, appstream is safe to even remove. How ...
22
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1answer
6k views

What is AppStream? Why is it installed? What is it doing?

There's another question about AppStream that has —for better or worse— focussed on what seems to be a particular bug in AppStream but that left me realising I don't have a clue what this thing ...
76
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2answers
17k views

appstreamcli hanging with 100% CPU usage during update

appstreamcli is overheating my laptop by constantly using 100% of a core. My only solution is to kill it. Here's a screenshot of top: I can kill appstreamcli with either sudo kill pid or sudo killall ...
3
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1answer
3k views

appstreamcli: Detected colliding ids: XY.desktop was already added with the same priority

I have recently found that when running sudo apt-get update on Ubuntu GNOME 16.04 (though it is the same on all flavours) that this is the output: Get:1 http://gb.archive.ubuntu.com/ubuntu xenial ...