How to install Firefox ESR on Ubuntu 64 bit LTS
Contents:
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.
On 22 Feb 2014, Ubuntu pushed Firefox 27, Tiny Tiny RSS stopped working, with a Javascript error. After logging in, there would be a pop up error referring to getCookie and tracing to prototype.js.
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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