How to install Firefox ESR on Ubuntu 64 bit LTS
Update: 2017-Nov-19: See the last section for automated installation and upgrading, which is now possible.
To read my RSS feeds, I use Tiny Tiny RSS, which worked fine until 21 Feb 2014.
To solve this, I went back to the ESR (Extended Support Release). This was quite a few steps, so I am documenting them here.
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