If it doesn't work and the wrong Java plugin appears to be loaded eg. Launch Firefox and verify your Java version here: Verify Java Version Ln -sf $PWD/lib/i386/libnpjp2.so ~/.mozilla/plugins/ Now the Java needs to be linked to Firefox. Then do the following in a shell to extract the JRE (replacing with 64 bit versions if needed): sudo mkdir -p -v /opt/java/32 Choose the 32 bit or 64 bit version according to the version of Firefox ESR you downloaded. It will be of the form: for the 32 bit version.

Download the tar.gz JRE package for Linux from and store the file in the Downloads folder in your home folder (i.e.

Set the user agent to an earlier version of Firefox on Linux eg.

Add a Firefox extension for switching the user agent eg.

Call the key plugin.load_flash_only and set it to false.

Accept the risks and then add a key (right click mouse -> New -> Boolean).

Launch Firefox and type about:config in the location bar.

Make sure it doesn't auto update by changing the update settings in preferences. Download and extract the Firefox ESR install from here: Download Firefox Extended Support Release.The following steps should work (tested on Mint 18 based on Ubuntu 16.04 and Mint 19 based on Ubuntu 18.04): Use the shortcut key “F11” to toggle the full screen mode on or off.You can use the Extended Support Release of Firefox 52 as follows: There is another way you can enable or disable the full screen mode.

Once you are done with the article, go to the very top and right click on the tabs bar select the “Exit Full Screen Mode” option from the drop down menu to exit fullscreen in firefox. Now you can open up a web page or an online article that you want to read. You will be able to view the website in full screen mode. From the drop down menu, select the “full screen” option to enable the full screen mode in firefox. Step 1 – Clicking on the Fullscreen optionįirst of all, click on the “firefox” button available towards the top left corner of your screen. You can even toggle fullscreen in firefox on and off by using shortcut keys. Knowing how to use the Full screen mode comes in handy when you want to read an article. The full screen mode hides all the elements including the tabs, toolbars and the status bar. In this video, we will show you how to view web pages in full screen mode in Firefox.

How to enable java in firefox video