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Running different Firefox versions side by side, e.g. 1.5 and 2.0 - multiple instances of Firefox


On linux it is possible to run another version of firefox or firefox with another profile very easily. You basically log in as a different user, set an environment variable (otherwise the firefox start script will start just another instance of your current browser instance - same version, same user) and then you can start firefox with the profile directory being in the home directory of the other user.


This is very useful if you want to test a new (beta) version of firefox, but you want to use the current stable version for your daily business. No troubles with broken or disabled extensions - no troubles with your current profile.

Here is what you have to do:
$ su testuser
[enter password]
$ export MOZ_NO_REMOTE=1
$ ./firefox




Troubleshooting:

$ ./firefox
Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified


(firefox-bin:5160): Gtk-WARNING **: cannot open display:

see: Xlib: connection to ":0.0" refused by server

Last-Modified: Thu, 31 Aug 2006 19:51:45 GMT

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