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View Full Version : How to run Firefox profile in Firefox-ESR along with main profile (2 sessions)



Fli
06-16-2022, 01:11 PM
Main Firefox/ESR profile window and another instance with different profile/plugins.

Second profile can be done under Linux by copying Firefox launcher menu entry making same new one and modifying command line to have -p parameter. For example:


/usr/lib/firefox/firefox %u -p -no-remote

(right FF path discovered using command "whereis firefox")

Now after launching it i can see the profile chooser menu.
Selecting my secondary profile it was complaining it can not use it since i am using different (older?) version of Firefox (actually Firefox ESR).
And prompted to quit or make new profile.

SOLUTION:
List profiles:
ls -lt /home/$(whoami)/.mozilla/firefox/
change particular profile file:

nano /home/$(whoami)/.mozilla/firefox/myprofilehere.default-release/compatibility.ini

Prefix line "LastVersion=..." by # character (commenting out). Save

Now it launched profile anyway and i see plugins was active and it restored tabs.