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.
Initially, you will need to download the latest tarball of Mozilla's 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 to apply 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/firefoxtar xjf FirefoxSetup.tar.bz2 -C /opt/firefox/
To replace the Firefox ESR application with the one you just installed, make a backup copy of the original Firefox containing 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 have to run the following commands, or first is to download the latest version and the second 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
mv /usr/lib/firefox-esr/firefox-esr_orig /usr/lib/firefox-esr/firefox-esr
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