How to get firefox extention working in DispVM?

[BEBF738VD]

@dev.null.vw

I have installed the extension in fedora-34-clone

@augsch

I install extensions in the “DispVM Template” (which basically is a AppVM, such as fedora-34-dvm)

@tripleh

copy the modified profile directory incl. addons over to the template

This is not recommended and may lead to profile fingerprinting.
Instead consider removing the existing profiles (rm -r /home/user/.mozilla) from the dvm template and check out this guide instead
(If all you want is install the extension, skip to section 2. Policies):

[Guide] Automatically install extensions and configure new (dispvm) hardened Firefox profiles with arkenfox user.js and policies

This was inspired by a number of posts that sometimes pop up on the forum. Section 1 explains how to use arkenfox’s (but you can use any other) user.js file (GitHub - arkenfox/user.js: Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening) and make it compatible with Firefox autoconfig, in order to automatically configure new dispvm (or appvm) profiles without first creating one (so no profile-name fingerprinting). For more information, s…