How to Install Firefox Quantum 68 in Linux

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Ravi Saive

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72 Responses

  1. MikeOh Shark says:

    Mozilla 68.0 would not run on my Linux Mint 13 (yes, I know it is out of support but I run all apps in firejails and behind iptables). I believe it is from an older gtk release. Firefox goes into a constant loop of crash reporter, this even when disabling crash reporter by editing the application.ini file.

    How can I determine what libraries Firefox needs? Can I obtain the correct libraries, copy them to the same folder as Firefox, and still run it in a firejail?

  2. Joe Btsfsplnk says:

    After I type the terminal command /opt/firefox/firefox, I get Syntax error: “(” unexpected

  3. Mirek Zvolsky says:

    XPCOMGlueLoad error for file /var/tmp/firefox/ cannot open shared object file: No such file or directory
    Couldn’t load XPCOM.

    testing machine in VirtualBox/Vagrant, CentOs, ssh/xwindows forwarding :((

    • Ravi Saive says:


      The latest Firefox 60 requires GTK 3.4 to run. The only way to install latest version of Firefox is to upgrade your Linux system.

      • Mirek Zvolsky says:

        yum provides “*/” # -> gtk3
        yum install gtk3

        So I have installed gtk3, xorg-x11-xauth, dejavu-lgc-sans-fonts.
        vagrant ssh (Vagrantfile: forwardconfig.ssh.forward_agent = true ; config.ssh.forward_x11 = true)
        or: ssh [email protected] -X -p 2222

        • Ravi Saive says:


          That’s really great and thanks for sharing, let me give a try on my CentOS 6 box, last day me too facing same problem, but I didn’t tried it installing from YUM package manager thought latest Firefox needs upgraded GTK…:)

      • Mirek Zvolsky says:

        ssh -X # or:

        vagrant ssh
          where in Vagrantfile:
        yum install gtk3
        yum install xorg-x11-xauth
        yum install dejavu-lgc-sans-fonts
        # log out/in (exit/ssh)
        echo $DISPLAY   # will print: localhost:10.0

        We need firefox v58+ (at this time v52 from repo is not enough)

        cd /opt
        tar xfj firefox-60.0.tar.bz2
        ln -s /opt/firefox/firefox /usr/bin/firefox
        exit  # -> normal user
  4. Howard says:

    If coming from Firefox ESR (Extended Support Release) then I think you might want to adjust your edits suggested above as follows:

    1) Do a global search and replace:

    $ sudo vi /usr/share/applications/firefox-quantum.desktop  
    :%s/Firefox ESR/Firefox Quantum/g

    >> 46 substitutions

    2) Include just one Exec line edited as follows:

    -> Exec=/usr/lib/firefox-esr/firefox-esr %u  
    +> Exec=/opt/firefox/firefox %u  

    3) Leave Icon=firefox-esr (otherwise it disappears from my cinnamon menu.) Perhaps someone else can tell me how to do this better.

    4) Simplify StartupWMClass:

    -> StartupWMClass=Firefox-ESR
    +> StartupWMClass=Firefox

    So far this seems to work for me. (Debian Stretch 9.2 / Cinnamon 3.2.7)


    • Andres says:

      I just copied the icon from the quantum firefox directory to the “icon directory??”. (No idea if that’s what pixmaps actually is…)

      # cp /opt/firefox/browser/icons/mozicon.png /usr/share/pixmaps/

      -> Icon=firefox-esr
      +> Icon=mozicon128

      Thanks Howard for all the other info!

  5. David says:

    thanks for the Firefox Quantum installation steps for Linux.

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