Questions tagged [firefox]

Mozilla Firefox is a free and open source Gecko-based web browser. It is the current default for the Ubuntu desktop.

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31 votes
8 answers
46k views

How do I fix Flash issues?

I am having problems with Adobe Flash in Ubuntu, what are my options?
RobinJ's user avatar
  • 8,890
122 votes
10 answers
102k views

How to install Firefox as a traditional deb package (without snap) in Ubuntu 22.04 or later versions?

As far as I see in the ongoing development for 22.04 Jammy, Firefox is a Snap package. The related Deb package in apt is just a shortcut/link to the that snap version. I prefer my installation not to ...
igi's user avatar
  • 2,575
158 votes
11 answers
166k views

How do I install the latest stable version of Firefox?

I want to install the latest Firefox on my Ubuntu (64bit) box. What is the best way to do this? Is there a specific update site or should I download the binaries manually? If doing manually, in which ...
danimajo's user avatar
  • 1,683
234 votes
12 answers
269k views

How do I install the Firefox Developer Edition?

Mozilla released the Firefox Developer Edition! How do I install it on Ubuntu? Source: Mozilla Releases 'Firefox Developer Edition' for Windows, Mac and Linux - OMG! Ubuntu!
blade19899's user avatar
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32 votes
3 answers
27k views

How to start a GUI application from cron?

I need to run a Java applet from a Firefox. The problem is, I need to run this Firefox from a cron. If I run from the command line and its work fine, but when put the command in the cron it failed: */...
fadabi Nawi's user avatar
74 votes
6 answers
43k views

How do I downgrade Firefox v. 57 to v. 56?

What is the most straight forward way to downgrade Firefox 57 to Firefox 56? This is to have more time to wait for working replacements for legacy extensions.
Jani Saarenpää's user avatar
84 votes
8 answers
90k views

How do I put a web application on the Launcher?

Sometimes I see pictures of screenshots with people with web applications and nice icons on their launcher, how can I set this up?
Jorge Castro's user avatar
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34 votes
2 answers
38k views

Now that I have Firefox 49 or higher, how do I watch Netflix?

Just got the Firefox 49 update (yay!) But Netflix still wants to install Silverlight (boo!) How can I watch Netflix in Firefox, as has been advertised?
Organic Marble's user avatar
83 votes
9 answers
493k views

Removing Firefox in Ubuntu with all add-ons like it never existed

I have been using Firefox for a long time in Ubuntu, I downloaded some add-ons but it made firefox extremely slow, even if I remove them nothing will change. I tried to remove Firefox also, but re-...
Hossein's user avatar
  • 1,687
21 votes
4 answers
48k views

Can I use Chrome's Pepper Flash with Firefox?

As Adobe no longer supports Flash on Linux (see "NOTICE" below), is there a way to use Chrome's Pepper Flash plugin with Firefox? NOTICE! Flash no longer is supported for Linux EXCEPT as part of ...
Thomas Ward's user avatar
  • 74.4k
6 votes
2 answers
24k views

Ubuntu 22.04 Fresh installation Firefox will no load

After a fresh installation of Ubuntu 22.04 Desktop, Firefox (99) does not load after clicking on the icon on the left menu bar. Cursor changes to the rotating circle then disappears after a few ...
E. Dale Franks's user avatar
182 votes
9 answers
82k views

How to solve "Pending update of "firefox" snap. Close the app to avoid disruptions" error?

Recently, this warning appears when open Firefox: Pending update of "firefox" snap Close the app to avoid disruptions What does it mean? And what do I have to do? Is this a bug?
Emilio's user avatar
  • 2,061
47 votes
6 answers
215k views

How can I make Firefox open magnet-links in Transmission?

I can't find out how to make Firefox open magnet-links in Transmission. There is no option to make it the standard program for magnet-links in its properties, and as I am not experienced with the ...
Esso's user avatar
  • 1,035
13 votes
2 answers
6k views

Firefox profiles with different icons in Ubuntu dock

Ubuntu 17.10 (xorg), GNOME 3.26.2, Firefox 58.0 (64 bit). I have a few Firefox profiles setup. When I run each profile, I would like it to be a separate icon on the dock. How do I make that ...
dln949's user avatar
  • 1,267
56 votes
13 answers
69k views

How can one make Firefox ignore my GTK theme entirely?

I have a dark GTK theme installed in my Ubuntu 10.10 install and a persona installed for Firefox that I also like. The problem is that Firefox is using my dark GTK theme for items like buttons and ...
tamale's user avatar
  • 1,459
43 votes
4 answers
90k views

How do I install Firefox 52 ESR on 16.04?

This question asks how to install FF32 bit while keeping the 64 bit. I want the much more simple thing: is there a canonical way to install firefox 52 ESR as "default" firefox in my 16.04? I found ...
GhostCat's user avatar
  • 2,095
31 votes
4 answers
55k views

Adjust Firefox and Thunderbird to a High DPI touchscreen display (retina)

If you are using a high DPI Display with a resolution of 3200x1600 px you can adjust Unity with a System wide Menu and titlebar scaling But Firefox is not really ready for this: All pages and the ...
rubo77's user avatar
  • 32.4k
29 votes
6 answers
70k views

Compatible version of "Adobe Shockwave Player?"

Is there a Ubuntu compatible version of the "Adobe Shockwave Player?" I'm running Firefox and when I try to bring up one of my School's websites it says missing plugin. When I click on "Install ...
Rob's user avatar
  • 12.8k
19 votes
4 answers
57k views

Completely remove firefox snap package

In Ubuntu 22.04 the firefox snap was installed as default. I just removed it using the command sudo snap remove firefox but inside the file computer/var/lib/snapd/seed/snaps there exists an firefox ...
ABHILASH T's user avatar
  • 1,853
13 votes
7 answers
16k views

Firefox application associations not working in the 'Downloads' window

No matter what changes i make to file associations (actions) in the 'Applications' tab in Firefox, they're totally ignored. For example, i set .wmv and .avi files to open with 'smplayer' but when i ...
Pavlos G.'s user avatar
  • 8,834
4 votes
1 answer
523 views

How to execute a command with "=" sign in a desktop shortcut?

I'm trying to modify my Firefox shortcut in Unity so that it started with a specific parameter. From a terminal, I would start like this: VDPAU_DRIVER=va_gl firefox I tried modifying the firefox....
pmichna's user avatar
  • 195
42 votes
2 answers
62k views

"Although GNOME Shell integration extension is running, native host connector is not detected" error in 22.04

I upgraded my system from Ubuntu 20.04 LTS to 22.04 LTS and I'm now facing this error on the GNOME Shell extensions webpage: This was solved in previous versions, and I have tried these solutions: ...
Vam's user avatar
  • 775
26 votes
5 answers
80k views

How do I get WebEx working with audio on Ubuntu?

There is no one guide that I have tried that results in a fully working WebEx on Linux. Typically audio is the feature hardest to get working. How do I get WebEx working with audio on Ubuntu?
mcarans's user avatar
  • 1,175
20 votes
4 answers
24k views

Upgrading Firefox fails. lzma error: compressed data is corrupt

Firefox fails to update due to corrupted download (deb) Preparing to unpack .../firefox_32.0+build1-0ubuntu0.14.04.1_i386.deb ... Unpacking firefox (32.0+build1-0ubuntu0.14.04.1) over (31.0+build1-...
Elder Geek's user avatar
18 votes
5 answers
7k views

GNOME shell extension doesn't work with snap version of web-browser

Got an error from Firefox saying : Although the GNOME Shell integration extension is active, the native host connector is not recognized. Please consult the installation manual. Which is an error ...
Mikaleb's user avatar
  • 182
9 votes
1 answer
9k views

How to make ubuntu 14.04 a kiosk [duplicate]

I have made a clean install of Ubuntu 14.04 LTS Desktop and now want's to convert it into a kiosk with a full screen webbrowser. This was previously done in 10.04 and worked perfect, but due to ...
Thomas's user avatar
  • 103
8 votes
2 answers
25k views

Tor browser not opening

Whenever I start Tor in Ubuntu 13.04, the Vidalia Control Panel opens, loads up and displays a status of "Connected to the Tor network!". However, the tor-infused firefox, does not pop up like it ...
Joren's user avatar
  • 5,053
33 votes
6 answers
142k views

How do I get HTML5 h.264 Video working on Firefox?

According the the release notes for Firefox 26, h.264 video should now be working in Linux. It does also say the appropriate gstreamer plug-ins need to be installed. Does anyone know what these are? ...
HarlemSquirrel's user avatar
27 votes
6 answers
17k views

URL extensions.gnome.org for managing GNOME Extensions not working in any browser

I upgraded my Dell Optiplex 9010 to Ubuntu 18.04 from Ubuntu 16.04. None of my GNOME web-browser-extensions (used for managing and installing extensions) work, neither the ones I have installed on ...
Robert Sederholm's user avatar
24 votes
5 answers
73k views

How do I install Waterfox?

The Waterfox web browser is a 64-bit-only open source project based on Firefox. I would like to see how is the performance compared to Firefox, apparently its better. Being new to Linux, it's a ...
L-tu's user avatar
  • 341
14 votes
7 answers
36k views

How can I get Firefox to open torrent files with Transmission?

Every time I download a torrent file (.torrent), Firefox thinks I should open it with a text editor. How can I get it to open with Transmission? In Edit -> Preferences -> Applications, there's no ...
Jonathan's user avatar
  • 7,440
6 votes
3 answers
4k views

21.10 Firefox Missing Profiles

I upgraded 21.04 to 21.10 and have a couple of issues which I'll separate out. The first is Firefox will not launch. Or rather it does, but only to give the error Your Firefox profile cannot be ...
Paul's user avatar
  • 71
4 votes
2 answers
5k views

Why is Ubuntu using so much memory?

I have just turned on my PC and have two applications running; Thunderbird and Firefox. Whatever else is running is part of Ubuntu's feature set (as well as a few indicators). This has been ongoing ...
Gonzoza's user avatar
  • 2,498
2 votes
1 answer
2k views

Firefox does not use default window bar appearance when running as Snap

Today I upgraded my Ubuntu from 20.04 LTS to 22.04 LTS. As announced, Firefox is now running as a Snap package by default. While the application is running fine, I noticed some weird behavior in the ...
Robert Strauch's user avatar
73 votes
11 answers
132k views

How to tell Chrome what to do with a magnet link?

Right now Chrome throws its apron over its head and calls Firefox, which opens the link with rtorrent. What do I need to do to eliminate the Firefox step?
BevA's user avatar
  • 847
59 votes
6 answers
86k views

How to enable touchscreen scrolling in FireFox?

I have noticed that touchscreen doesn't work in FireFox on Ubuntu 16 desktop (on a touchscreen laptop), which is a major bummer as I am a FireFox guy and the browser is 90% of what I use my personal ...
Hack-R's user avatar
  • 997
49 votes
6 answers
126k views

How to update libavcodec on ubuntu 14.04?

On Ubuntu 14.04.5 I just upgraded firefox to version 50.0; now there is a message on some pages which reads: libavcodec may be vulnerable or is not supported, and should be updated to play videos ...
Alex's user avatar
  • 797
46 votes
9 answers
90k views

Add certificate authorities system-wide on Firefox

I want to add some root CAs that doesn't come with the default firefox on Ubuntu, but I don't know how. I tried adding them to the local certificates with certutil, but it didn't work. It messed up ...
Jorge Suárez de Lis's user avatar
13 votes
1 answer
29k views

How to run GUI applications remotely on a headless server?

I'm new to Ubuntu - sorry for novice questions. What I have - is Ubuntu server, to which I have access only via ftp and putty. What I would like to do - is to run firefox (or any other browser) from ...
user3344830's user avatar
11 votes
5 answers
6k views

Firefox - Websites with custom fonts not displaying

I've just upgraded to FF 57 and websites that use their own fonts have stopped displaying text. I know this is a problem others have had, e.g. Firefox doesn't display website text, but the ...
Bar's user avatar
  • 304
10 votes
2 answers
5k views

Open irc:// links in XChat from Firefox and Chromium

I want to open channels in servers specified in irc:// links in XChat, but directly pointing to XChat binary (in Firefox) did not work - the window to choose servers appears as usual. I don't know how ...
Oxwivi's user avatar
  • 17.8k
7 votes
3 answers
4k views

How to install Firefox 3.6 and 4.0+ in parallel?

Up until last week, I had both Firefox 3.6 and Firefox 4.0 installed, which was good for testing web applications. But now the nightly channel contains Firefox 6 instead of Firefox 4. I tried using ...
Hendrik Brummermann's user avatar
74 votes
6 answers
376k views

How to install the Java plugin for Firefox?

I am trying to install Java and plugins for Firefox. I installed both the JDK and JRE. When I try with the sudo update-alternatives --config java command it shows only one choice available. Plugins ...
user199273's user avatar
69 votes
7 answers
233k views

How do I launch a remote firefox window via SSH?

When I SSH to a remote box $ ssh -X remotebox then start firefox on the remote box remotebox$ firefox and I have firefox running on my local machine, a local firefox window will open. no firefox ...
Lesmana's user avatar
  • 18.4k
68 votes
7 answers
69k views

How to hide title bar in Firefox 57 Quantum?

I used to use an extension to hide/show the title bar in Firefox, but since Firefox 57 was released most of the extensions were disabled. In Chrome I just uncheck the option "Use system title bar and ...
Jamo's user avatar
  • 925
25 votes
3 answers
20k views

Can I hide the Firefox title bar AND still see the close/minimize/maximize icons?

I am using Ubuntu 18.04. I realize with GNOME, or its extensions, I can do things like hide the title bar. However, I want to hide the title bar and still see the windows management icons like on Mac ...
Geesh_SO's user avatar
  • 501
21 votes
5 answers
10k views

Slack refusing to start

from 30 minutes ago on slack refuses to start on my 20.04 box. Last thing i did before it stopped working was updating firefox to 102.0 but i'm not confident if this is related to it. I downloaded the ...
plazmakeks's user avatar
14 votes
2 answers
11k views

Make firefox only use GTK theme on browser chrome, but ignore on websites

I have a dark GTK theme, I don't want firefox to ignore it all together, I only want the theme to effect Firefox's chrome (the buttons, address bar, bookmarks bar, etc., etc.), but I want the theme to ...
KoRnKloWn's user avatar
  • 817
11 votes
7 answers
41k views

How to open magnet links from firefox with deluge

How can I open magnet links with firefox? I tried setting following values in about:config, network.protocol-handler.app.magnet -> /usr/bin/deluge network.protocol-handler.expose.magnet -> true ...
KillianDS's user avatar
  • 876
10 votes
1 answer
3k views

Download YouTube videos from start of batch to end of batch that is part of a playlist

A Youtube video can be watched standalone or it could be a part of a playlist. Example: https://www.youtube.com/watch?v=vbsNiOkm0BU and https://www.youtube.com/watch?v=vbsNiOkm0BU&index=141&...
Rishiraj Surti's user avatar

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