Debian 10 buster install the latest Firefox

The distribution Debian Linux comes with the Firefox ESR (Extended Support Release), which in some cases may not fit your needs.

Below we will see how to replace the default Firefox ESR of the Debian distribution with the latest version of Firefox.

First you need to download the latest tar-ball of the proletterof the Mozilla browser. Open a terminal and type (copy and paste) the following command:

Download Firefox in English

wget -O FirefoxSetup.tar.bz2 "https://download.mozilla.org/?product=firefox-latest&os=linux64&lang=en-US"

Download in Greek

wget -O FirefoxSetup.tar.bz2 "https://download.mozilla.org/?product=firefox-latest&os=linux64&lang=el"

If you wish application in another language, select the language from this page.

You can download the application directly, and open a terminal at the point where you saved the download to proceed with the commands mentioned below.

Now that you've downloaded the necessary file, we can create the folder it needs to install, and unzip the tar.bz2 application:

Type (copy and paste) the following commands as root:

mkdir /opt/firefox
tar xjf FirefoxSetup.tar.bz2 -C /opt/firefox/

To replace the Firefox ESR application with the one you just installed, make one copy security files of the original Firefox included with the Debian distribution and create a new symbolic link that points to the latest version of Firefox:

mv /usr/lib/firefox-esr/firefox-esr /usr/lib/firefox-esr/firefox-esr_orig

and

ln -s /opt/firefox/firefox/firefox /usr/lib/firefox-esr/firefox-esr

To update Firefox you should run the following commands, or the first is to download the latest version and the second is to replace the files in /opt/firefox

Download Firefox in English

wget -O FirefoxSetup.tar.bz2 "https://download.mozilla.org/?product=firefox-latest&os=linux64&lang=en-US"

Download in Greek

wget -O FirefoxSetup.tar.bz2 "https://download.mozilla.org/?product=firefox-latest&os=linux64&lang=el"

and

tar xjf FirefoxSetup.tar.bz2 -C /opt/firefox/

To restore the ESR version, run the following commands:

unlink /usr/lib/firefox-esr/firefox-esr

and

mv /usr/lib/firefox-esr/firefox-esr_orig /usr/lib/firefox-esr/firefox-esr

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