UbuntuHelp:UbuntuLTSP/Firefox2Revert

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https://help.ubuntu.com/community/UbuntuLTSP/Firefox2Revert

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It has been the experience of some LTSP administrators that Firefox 3 does not work well in an LTSP environment. Personally, I have experienced multiple LTSP networks choking when more than 2 users launch Firefox (this is due to some bugs regarding entropy and the /dev/random device being called too much during startup/profile creation). This can cause the dreaded "Firefox is already running" message for users who have not launched Firefox multiple times. We are confident that these issues will be fixed in Firefox soon, but in the meantime it is fairly simple to revert to Firefox 2.x in Ubuntu Hardy.

• Uninstall Firefox-3

apt-get --purge remove firefox-3.0 firefox-3.0-gnome-support

• Install Firefox-2 and Gnome support for Firefox 2:

sudo apt-get install firefox-2 firefox-2-gnome-support

• Make a symbolic link to Firefox 3 .desktop files, as to not break existing panel icons, etc.

sudo ln -s /usr/share/applications/firefox-2.desktop /usr/share/applications/firefox.desktop

• Follow the Flash|installation for all users page if you want Adobe Flash to work with sound for all users.
• Follow the Java|6 installation for all users page if you want to install the Java 6 plugin for all users.