Přeinstalování MIME (gnome, xfce)

https://askubuntu.com/questions/292728/broken-file-type-associations-after-running-update-mime-database?utm_source=chatgpt.com

 

Broken file type associations after running update-mime-database

Asked 11 years, 7 months ago

Modified 6 years, 1 month ago

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7

After running sudo update-mime-database /usr/share/mime my gnome doesn't recognize any file types anymore. In Nautilus all files are now text/plain type and all now open with gedit by default. Gnome-commander does the same.

I guess that it's not that file associations are broken but rather file type recognition problem.

Tried to (not in that order):

• rerun update-mime-database several times
• reinstal package gnome-mime-data
• delete ~/.local/share/applications/*
• logout and login many times
• reboot

Nothing helped so far.

My system:

Ubuntu 10.04 LTS (Lucid Lynx)
Gnome 2.30.2

• gnome
• mime-type
• file-association
• file-type

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edited Jun 22, 2014 at 15:44

Charo

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asked May 8, 2013 at 20:06

Andrew

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3 Answers

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6

I had a similar problem and I solved it reinstalling the shared-mime-info package with

sudo apt-get install --reinstall shared-mime-info

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edited Nov 5, 2018 at 7:47

pomsky

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answered Jun 22, 2014 at 15:27

Charo

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• 1
  Still useful in Ubuntu 22.04, but you'll probably need to reboot immediately after this.

  – bitinerant

  Commented May 28, 2022 at 9:56

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2

Try to use assoGiate program - a file types editor. To install it from Terminal, use next command:

sudo apt-get install assogiate

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answered May 8, 2013 at 21:07

Radu Rădeanu

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• Done that already. File types database is in place and seems to be correct.

  – Andrew

  Commented May 9, 2013 at 18:32
• Some additional details. $ file --mime-type -k 144408743.jpg 144408743.jpg: image/jpeg $ xdg-mime query filetype 144408743.jpg application/octet-stream $ mimetype --all --debug 144408743.jpg > Data dirs are: /home/alomaka/.local/share, /usr/share/gnome, /usr/local/share, /usr/share > Checking inode type > Checking globs for basename '144408743.jpg' > Checking for extension '.jpg' > Checking all magic rules > File exists, trying default method > First 10 bytes of the file contain control chars 144408743.jpg: application/octet-stream $

  – Andrew

  Commented May 9, 2013 at 18:42
• It looks like my GNOME doesn't look at system-wide file types database. Only in my personal ~/.local/share/mime.

  – Andrew

  Commented May 9, 2013 at 18:44

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0

Running update-mime-database as root removes 'other' access from some mime database files. Running

chmod -R o+r /usr/share/mime

afterwards will fix this up.