Start multiple instances of Firefox

Posted by Vi on Super User See other posts from Super User or by Vi
Published on 2010-03-31T19:26:30Z Indexed on 2010/04/01 4:33 UTC
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firefox

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linux

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security

How can I have multiple independent instances of Mozilla Firefox 3.5 on the same X server, but started from different user accounts (consequently, different profiles)?

Limited success was only with Xephyr :1, DISPLAY=:1 /usr/local/bin/firefox, but Xephyr has no Cygwin/X's "rootless" mode so it's not comfortable (see other question).

The idea is to have one Firefox instance for various "Serious Business" things and the other for regular browsing with dozens of add-ons securely isolated.

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