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How can I set Google Chrome as the default browser? If I set it in the browser settings, nothing happens. The browser says it's default, but in preferred applications in Gnome, there's only Firefox to choose from. Clicking any link i.e in Thunderbird opens a blank Firefox window, not with the link embedded. Can I set the default browser in dconf2 or any configuration file?

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Have you tried setting the default browser via System Info->Default Applications->Web? –  TreefrogInc Jan 17 '12 at 3:34

4 Answers 4

You should have in the ~/.local/share/applications/mimeapps.list file the following lines:

text/html=google-chrome.desktop
x-scheme-handler/http=google-chrome.desktop
x-scheme-handler/https=google-chrome.desktop
x-scheme-handler/about=google-chrome.desktop
x-scheme-handler/unknown=google-chrome.desktop

Make sure these lines are under either the [Default Applications] or [Added Associations] section.

And of course, you need google-chrome installed such that google-chrome.desktop is either located at /usr/share/applications/, /usr/local/share/applications/ or ~/.local/share/applications/.

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Thx. Solved my problem. –  Plankalkül Oct 15 '12 at 14:23

Assuming you are using Unity, click on the dash button in the launcher and search for 'System info'. Then, open 'System info' and move to 'Default applications' section. Then, click on the dropdown list next to Web. There, select 'Google Chrome' and it will be selected as the default web browser for your system.

enter image description here

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Oh well! I was looking for this myself! They really got away with hiding and removing settings in this Ubuntu version, I thought Default Applications was removed! In Gnome Shell you can access it through System Settings > System Info > Default Applications. –  Wolter Hellmund Jan 17 '12 at 22:38

There are a number of places an application might figure out which browser to launch and unfortunately there is no established standard. If the other answers don't work for you (as was the case for me with Skype) you could try:

  • the $BROWSER environment variable
  • /usr/bin/x-www-browser, which is configured via the alternatives mechanism: sudo update-alternatives --config x-www-browser (which is what Skype is launching it seems)
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I have the following when I enter this command. Any idea what the difference between "auto mode" and "manual mode" is? There are 2 choices for the alternative x-www-browser (providing /usr/bin/x-www-browser). Selection Path Priority Status ------------------------------------------------------------ * 0 /usr/bin/google-chrome-stable 200 auto mode 1 /usr/bin/firefox 40 manual mode 2 /usr/bin/google-chrome-stable 200 manual mode –  flickerfly May 2 at 16:58
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From the manpage: Each link group is, at any given time, in one of two modes: automatic or manual. When a group is in automatic mode, the alternatives system will automatically decide, as packages are installed and removed, whether and how to update the links. In manual mode, the alternatives system will retain the choice of the administrator and avoid changing the links (except when something is broken). –  kynan May 2 at 18:07

Alternatively you can do the following instead of editing mimeapp.list: xdg-mime default google-chrome.desktop text/html xdg-mime default google-chrome.desktop x-scheme-handler/http xdg-mime default google-chrome.desktop x-scheme-handler/https xdg-mime default google-chrome.desktop x-scheme-handler/about

To check the current settings you can use: xdg-mime query default text/html xdg-mime query default x-scheme-handler/http xdg-mime query default x-scheme-handler/https xdg-mime query default x-scheme-handler/about

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