Default applications

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Notes: please use the first argument of the template to provide more detailed indications. (Discuss in Talk:Default applications#)

There are numerous places to configure default applications on Linux. This page will attempt to address problems related to the following issues:

  • You need to change a certain default application (e.g. after switching desktop environments), but there appears to be nowhere to configure it, or an application ignores your configuration
  • You regularly switch back and forth between several desktop environments, and need to configure some applications (e.g. file manager) on a per-desktop-environment basis, but need to configure others (e.g. web browser) globally

Until there is more information/organization, it will just be a dumping ground of random tricks

Changing a default application


There is a file Template:Filename that seems to have something to do with default applications. The format is

[Default Applications]

For example,

[Default Applications]

Gnome 3


Sometimes, a certain application will not appear in the right-click Open With... dialog. To fix this problem, locate the Template:Filename file in Template:Filename, edit it as root, and add Template:Codeline to the end of the Template:Codeline line. For example, Kile currently has this problem; you need to edit Template:Filename and change the line reading Template:Codeline to read Template:Codeline. Also, please file a bug against the upstream project if you notice this problem.

As far as I can tell, on Gnome 3, there are two configuration systems, GConf (older) and dconf (newer). GConf can be configured with Template:Codeline; in particular, you can try messing with the Template:Filename key, but changing settings there didn't fix any problems I had.


To configure the default terminal for the package nautilus-open-terminal to Konsole, use

$ gsettings set org.gnome.desktop.default-applications.terminal exec konsole
$ gsettings set org.gnome.desktop.default-applications.terminal exec-arg "'-e'"

The second command tells Template:Codeline to expect a command to be passed to it as part of the invocation. ``nautilus-open-terminal needs this because it passes a Template:Codeline command in order to switch to the appropriate directory. For example, opening a terminal in your Template:Filename directory will invoke something like

$ konsole -e cd "~/Desktop"

Web browser

To configure the web browser used by the AUR package gnome-gmail-notifier, run

$ gconf-editor

and edit the Template:Filename key. You may want to change Template:Filename, Template:Filename, and Template:Filename keys while you're at it.

File manager

XChat is using Thunar instead of Nautilus for some reason. More info once I get this figured out...

Maintaining settings for multiple desktop environments

More info later...