Do you want to install and use Firefox Developer Edition on your Ubuntu and don’t know how to go about it?! If your answer is yes, then this article is for you. Am sure you’ve seen some documentations out there but in this one we will add Firefox Developer Edition to our Unity launcher. You’re welcome! 😉

Please follow the steps below…

Step 1Download the firefox*.tar.bz2 file from Mozilla’s website.

Step 2

Open Terminal.

Step 3

Navigate to the folder where the file is saved.

Step 4

Copy firefox*.tar.bz2 file to the /opt folder.

sudo cp -rp firefox*.tar.bz2 /opt

Step 5

Delete the downloaded firefox*.tar.bz2 file.

sudo rm -rf firefox*.tar.bz2

Step 6

Navigate to the /opt directory.

cd ~cd /opt

Step 7

Un-tar the firefox*.tar.bz2 file in opt folder.

sudo tar xjf firefox*.tar.bz2

Step 8

Delete the firefox*.tar.bz2 file in opt folder.

sudo rm -rf firefox*.tar.bz2

Step 9

Change ownership of the folder containing Firefox Developer Edition /opt/firefox

sudo chown -R $USER /opt/firefox

Step 10

Create the Firefox Developer Edition's shortcut

nano ~/.local/share/applications/firefox_dev.desktop

The content of this file is,

[Desktop Entry]Name=Firefox DeveloperGenericName=Firefox Developer EditionExec=/opt/firefox/firefox %uTerminal=falseIcon=/opt/firefox/browser/chrome/icons/default/default128.pngType=ApplicationCategories=Application;Network;X-Developer;Comment=Firefox Developer Edition Web Browser.StartupWMClass=Firefox Developer Edition

Step 10

Mark the launcher as trusted and make it executable.

chmod +x ~/.local/share/applications/firefox_dev.desktop

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I hope this article has helped you to set-up your new Firefox Developer Edition.