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Comment: Differences between installing addons from debian repositories vs addons.mozilla.org
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= Addons/extensions =

Addons can be installed from the [[DebianRepository|Debian repositories]] or from inside the browser by visiting [[https://addons.mozilla.org]]. Each method has it's own advantages

|| ||<style="text-align:center;background-color:#E0E0FF;">'''Debian repositories''' ||<style="text-align:center;background-color:#E0E0FF;">'''addons.mozilla.org''' ||
||'''Freedom''' ||Free-software only ||Both free and non-free ||
||'''Install/uninstall''' ||System-wide ||For each user indivually ||
||'''Browser integration''' ||Can't uninstall from the addons menu ||Standard ||
||'''Updates''' ||Dependent on Debian packager ||Immediate ||
||'''Security''' ||Some scrutiny from Debian packagers ||Whatever comes from the addon ||

  • <!> This page content is outdated and/or wrong (ToDo: cleanup).


Addons can be installed from the Debian repositories or from inside the browser by visiting https://addons.mozilla.org. Each method has it's own advantages

Debian repositories



Free-software only

Both free and non-free



For each user indivually

Browser integration

Can't uninstall from the addons menu



Dependent on Debian packager



Some scrutiny from Debian packagers

Whatever comes from the addon

For a better Mozilla Suite-Debian integration go to Edit Preferences Advanced / System preferences and mark Use Preferences from System (see MIME).

The place where Mozilla is installed is

 /usr/lib/mozilla/mozilla-bin/ and /usr/bin/mozilla 

The user's profile is installed in


 (i.e. /home/user/.mozilla/profile_name; where profile_name is the mozilla user's profile name).

The Mozilla start page (for both Mozilla Web-Browser and Mozilla Firefox ) is in


Plug-ins directory

The mozilla plug-in directory is generally


If installing plugins without root permissions, use


 (i.e. /home/user/.mozilla/plugins )

instead of the plugins subdirectory where Mozilla is installed. You may have to create this directory first.

Mozilla Firefox also uses the same plugins folder.

For a plug-in, you have to install a .so and .xpt file.

You can change the plug-ins to use the system default, going to Edit Preferences Advanced / Plug-in and script and editing it to indicate the folder where the program is.

Type about:plugins in the mozilla address bar to see the plug-ins installed.

See :


Gnome's Evince will handle PDF.

Also, If you installed Adobe Acrobat reader, copy nppdf.so to your Mozilla plugins directory and ensure a copy of acroread is in your path.

Flash player

See FlashPlayer


On Linux, Mozilla requires JRE 1.4.2 or later ( plug-in application/x-java-vm). Remember that the SDK contains the JRE so you don't need to download both.

Enable Java in Mozilla

The easiest way is to install ?BlackDownJava that includes Java plug-in for mozilla.


  • ?JavaScript

See also :


MPlayer has, among others, support for Ogg Vorbis. There is also a browser plugin for Mozilla and Firefox available at http://mplayerplug-in.sourceforge.net/. But you don't really need a Mozilla plug-in, if you use the system default player.

See also