How to run firefox under different profiles simultaniusly?

Firefox has multiple profiles and I am aware of choosing them by invoking firefox with the -P option.

But I find that after one firefox instance under one profile is running, even I choose another profile during starting with -P, the new instance is still running under the existing profile.

How to run firefox with multiple profiles at the same time?

You can add the -no-remote option when you start firefox and it will allow you to run firefox under multiple profiles at the same time.

By default, firefox will delegate a command to an already running instance.

-no-remote will disable this:

-no-remote

Don't connect to any other running instances of firefox. Use this if you want to run firefox in an entirely new process.

Check more on firefox manual.

To identify which profile you are running firefox under, the “Show Profile” plugin will be useful:

https://addons.mozilla.org/en-US/firefox/addon/show-profile/

Answered by Eric Z Ma.

Eric Z Ma

Eric is a father and systems guy. Eric is interested in building high-performance and scalable distributed systems and related technologies. The views or opinions expressed here are solely Eric's own and do not necessarily represent those of any third parties.

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