Plugins conseillés pour Firefox



  • Évites d'installer trop d'extensions pour ne pas risquer de rendre Firefox instable et/ou trop lourd.
  • Installer les extensions une par une, en vérifiant après chaque installation que tout fonctionne correctement.

AdBlock Plus


  • Description : Mieux gérer ses onglets tout en réduisant l'utilisation de la mémoire du système (ce qui accélère notablement le lancement de Firefox pour les personnes qui ont toujours beaucoup d'onglets ouvert).
  • Principales fonctionnalités :
    • classement des onglets par rangées
    • réouverture des derniers onglet fermés
    • pleins d'autres fonctionnalités bien pratiques
  • Remplace : Undo Closed Tabs


N'est plus maintenu : utiliser HackTheWeb à la place.

Recommandés par Gilles Hunault

Flash Player

Adobe flash player

Adobe flash player

Adobe Systems Incorporated
Flash Player for Linux

Adobe recommends that all users upgrade to the latest version of Adobe Flash 
Player for the most recent features, bug fixes, and security fixes.  
For more information on the new features in Flash Player, please visit  For more information on system 
requirements, fixed issues, and known issues, see the release notes at

To confirm which version of Flash Player you have currently installed, see Users should only install 
Players that have been downloaded from trusted sources, such as

Your use of this player is governed by the Adobe End User License Agreement 
found at


Adobe is committed to preserving the privacy of end users. For more 
information on configuring Client-side privacy visit the Settings Manager 

Installation instructions

Installing using the plugin tar.gz:
	o Unpack the plugin tar.gz and copy the files to the appropriate location.  
	o Save the plugin tar.gz locally and note the location the file was saved to.
	o Launch terminal and change directories to the location the file was saved to.
	o Unpack the tar.gz file.  Once unpacked you will see the following:
		+ /usr
	o Identify the location of the browser plugins directory, based on your Linux distribution and Firefox version
	o Copy to the appropriate browser plugins directory.  At the prompt type:
		+ cp <BrowserPluginsLocation>
	o Copy the Flash Player Local Settings configurations files to the /usr directory.  At the prompt type:
		+ sudo cp -r usr/* /usr

Installing the plugin using RPM:
   o As root, enter in terminal:
          + # rpm -Uvh <rpm_package_file>
          + Click Enter key and follow prompts

Installing the standalone player:
   o Unpack the tar.gz file
   o To execute the standalone player,
          + Double-click, or 
          + Enter in terminal: ./flashplayer

Uninstallation instructions

Manual uninstallation (for users who installed the plugin via Install script):
   o Delete binary and flashplayer.xpt file in 
   directory /home/<user>/.mozilla/plugins/

RPM uninstallation:
   o As root, enter in terminal:
          + # rpm -e flash-plugin
          + Click Enter key and follow prompts

Technical Issues and Reporting Bugs
The Adobe Support Center at is a 
free online resource for support and troubleshooting information. 
Bug reports may be submitted at 
To allow us to investigate reported bugs, please include the following 
1) Platform and version
2) Browser version
3) Reproducible steps including a URL to the web site where the problem 
   was encountered.
If we need further information about a bug, you will be contacted. An 
automated reply will be sent to assure you that we have received your 
bug report. Due to the volume of mail received, we are not able to 
individually respond to each report.


Adobe(R) Flash(R) Player. Copyright (C) 1996 - 2017 Adobe Systems 
Incorporated. All Rights Reserved. Adobe and Flash  are either 
trademarks or registered trademarks in the United States and/or 
other countries.


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