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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82 views

Removing the Firefox top panel

I would like to remove this top panel in Firefox (I'm using Firefox Developer Edition): I am running Ubuntu GNOME 15.10. How do I remove the top panel hilighted in the picture above?
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0answers
5 views

WebGL not working

I have Ubuntu Mate 15.10, and Firefox 44, and I am trying to play eyewire from eyewire.org. Persistently I get errors. I have tried modifying the WebGL options in about config to force webGL to run, ...
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0answers
66 views

How to uninstall ffmpeg installed via Firefox addon YouTube Video and Audio Downloader 0.5.2?

Firefox Addon YouTube Video and Audio Downloader 0.5.2 URL is https://addons.mozilla.org/firefox/addon/youtube-video-and-audio-dow/?src=api. After ffmpeg is installed, YouTube Downloaders (YouTube-dlg,...
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0answers
6 views

How can I find out why/how Firefox under Kubuntu 16.04 allows cookies from sites I have blocked?

I have blocked the site exactly as how the domain is specified in the cookie itself. I have also blocked the domain with a wild card. Still it is able to create cookies in my browser. How can I ...
0
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0answers
16 views

Firefox + streaming video (m3u8 playlist)

I'm running a fresh install of Ubuntu 16.04 with Firefox 47. I'm finding that streaming HTML5 video does not play inline in the browser when a <video> tag is used that specifies an m3u8 ...
3
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2answers
4k views

Reset firefox from command line

Mozilla firefox gives an option to reset it. Check the below images to ee how its done graphically; I need to make a script where this can be done through bash. Can someone tell me the command ...
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2answers
39 views

ubuntu 15.10 firefox 47 java plugin weirdness

I have just updated my system to use oracle java 8 build 91 (latest and greatest) and can't get the firefox plugin to work. Every time I try to verify it, it crashes. When I tried the approved ...
2
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0answers
47 views

spaces affect the firefox commands in terminal [on hold]

firefox -private & This command open private browsing . but the same command firefox -private& without space between ampersand and the -private option will only open normal browsing ...
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0answers
13 views

How can I get youtube's notification bell icon for comments working on firefox/16.04?

On Firefox, youtube's notification bell icon does not display the number of unread messages. If I click on the bell, it says "Please sign in to view your notifications." even though I am signed in.
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2answers
2k views

Youtube videos on Firefox not playing properly

I've reinstalled Ubuntu 14.04 multiple times because Youtube videos haven't been playing properly. I thought maybe reinstalling Ubuntu might help but apparently it hasn't. During video playback, the ...
0
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2answers
851 views

Firefox freezing on youtube

The title says it all. Once I try accessing youtube, firefox freezes and I have to force kill it with killall firefox or xkill firefox . The issue is youtube specific; other video websites , such as ...
1
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2answers
531 views

Firefox Becomes Unstable Playing Youtube Videos

I'm having an issue with Firefox. Anytime I try to play a video on YouTube (or an embedded YouTube video on another site) my browser becomes unstable. The video is jumpy, going full screen to window ...
1
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1answer
2k views

Website video slow/choppy; somehow fixed it briefly on Chrome (but not on Firefox), but problem resumed on restart

Watching video content on any website (YouTube, news sites, TV sites etc) the picture is slow/choppy, not at all smooth. The sound is fine. I'm mainly using Chrome, which has the latest Flash enabled. ...
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2answers
5k views

Ubuntu 14.04: Videos refusing to go fullscreen and freeze on Firefox

In Firefox on Ubuntu 14.04, just upgraded from 13.10, I can't make any video full screen without issues. When I tried it usual do this: video freezes, and sometimes you can hear the audio, but not ...
3
votes
2answers
1k views

Firefox freezes frequently

Good day, The application Firefox freezes very frequently and I have to use 'force quit" to get out and hence I lose all my activities and it is extremely frustrating. Only in one occasion, there ...
1
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0answers
16 views

Rolling back an application upgrade

I don't think an actual rollback or system restore exists in Linux/Ubuntu, so I'm looking at other options to reverse a recent browser upgrade. I would like to revert to a slightly older version of ...
36
votes
5answers
154k 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 ...
3
votes
2answers
37 views

Firefox opens downloaded PDFs in File Roller

When I download a PDF and try to open it from the Downloads window, it will attempt to open it in File Roller, which will complain that about PDF not being a supported archive type; I'd like to open ...
1
vote
1answer
125 views

Firefox Gstreamer vaapi

I have a laptop with not much CPU power, so I want that Firefox and Gstreamer (and maybe Rhythmbox) uses the VAAPI on my Ubuntu 15.10. vainfo gives me already the following output, so the vaapi driver ...
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2answers
55 views

Why http://openbittorent.com/ can't be opened with firefox?

I have set global proxy with shadowsocks in my openwrt. Now almost every web page can be opened in my firefox. It is so strange that http://openbittorent.com/ can not be opened. It can be pinged in my ...
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0answers
20 views

Firefox change theme automatically

My firefox changed the theme without me choose. How can I go back to the default theme? I uninstalled and installed again but not resolved.
4
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1answer
42 views

How to increase text size systemwide including browsers ubuntu?

I have a new laptop which is 1920x1080 width(15') . The thing is text size in display is very small which puts a strain on my eyes. I changed the text size inside ubuntu through system settings-> ...
7
votes
2answers
2k views

Ctrl+F4 doesn't work in KDE for Firefox / Chrome / Chromium

I observed that the shortcut for closing a tab in Firefox/Chrome/Chromium (Ctrl+F4) doesn't work on KDE. It seems it is being intercepted by KWin. Is there any fix or workaround for this problem?
3
votes
5answers
4k views

How can I get Firefox to use Dolphin instead of Nautilus?

I am using dolphin as my file manager and when I download something via firefox, I right click the download dialog and choose "open folder", I always get nautilus. Why doesn't firefox open the ...
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2answers
64 views

Firefox or Ubuntu browsers not connecting to WiFi but WiFi connected OK

Firefox or Ubuntu browsers not connecting to wifi. wifi connected ok and working on MS Windows laptop. Newly installed Ubuntu on Acer Aspire laptop. Firefox connects to wifi sometimes for a short ...
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2answers
203 views

Xubuntu 16.04 Firefox 46 screen distortion when scrolling

Screen distorts (shimmers, wavy lines/appearance) when scrolling in any web page. Disabling hardware acceleration and smooth scrolling, doesn't make any difference. Problem doesn't exist in Chromium ...
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0answers
9 views

Force Epiphany to open links in default browser

I use Firefox as my default browser and I started using Epiphany for web apps (I use it fox google inbox) as I prefer it as a separate window with it's own icon. What I don't like about it is that ...
3
votes
1answer
29 views

Firefox scrollbars don't reflect Widget theme selection

[This question is similar to another one (for Ubuntu vs Lubuntu) where there was no real answer other than to look for other Firefox themes -- something that has not worked for me in the past. At any ...
4
votes
2answers
1k views

How do I get WatchESPN to work?

I've tried Chromium, Chrome, and Firefox. I've tried various flash players (including Adobe Flash). I'm logged in through my cable provide. Still, no dice. I see some very old posts about ...
3
votes
1answer
6k views

is there a deb package to install firefox ESR?

I would like to have firefox ESR version on my system but I would like to install it via apt-get. Is there a special package to install this? Download Link would be: http://www.mozilla.org/firefox/...
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2answers
77 views

firefox: some tool boxes with black background (unreadable)

In my ubuntu 14.04 machine, and only for one of the user accounts in that machine, firefox has begun to show all those right-click context menus, pop-up lists of suggestions, and the list of recent ...
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2answers
70 views

ssh-tunneled SOCKS proxy connection refusals on Firefox 47.0 / Kubuntu 16.04

I am having difficulty making connections to websites using Firefox over a tunneled SOCKS proxy. SOCKS4/SOCKS5 makes no difference. I set up the tunnel with ssh -D 1234 id@remotehost.example.com ...
0
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1answer
57 views

FireFTP Plugin in Firefox Stopped Working Suddenly

On my Mac, I load an Ubuntu VM 14.04 LTS via VirtualBox. Inside that, I load the Firefox browser and the FireFTP plugin. Without changing any settings on my Mac or Ubuntu, and after having a couple ...
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0answers
36 views

Firefox fails to start after upgrading

I was running Ubuntu 15.04. Knowing that the newest version is 16, I tried to upgrade today. In the update setting in Software Center I've chosen "Any new Ubuntu version". Then I run "sudo apt-get ...
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3answers
6k views

Whatsapp Web QR code not loading on Chrome/Firefox on Ubuntu 14.04

I am trying to use the service https://web.whatsapp.com/ on Chrome/Firefox on Ubuntu 14.04 LTS (Dual boot Windows 8.1). But the QR code that needs to be scanned by the Whatsapp mobile app is not ...
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0answers
9 views

Uploading files online: external drives not visible ubuntu 16.04

First here's what I'm using. Ubuntu server 14.04. Ubuntu client 15.10 and 16.04 both recently updated. Mozilla Firefox as browser. I have a problem When uploading items online. When browsing files ...
0
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1answer
85 views

I can't update or remove java 10.67.2 plugin in firefox 47.0

When I click on (plugin) update now it is blocked and I am re-directed to the update now button to update Java. I updated Java to version 8 update 91. I followed the instructions about removing the ...
1
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2answers
57 views

Can you empty cached items from memory without needing to close Firefox?

I currently have Firefox set up so that a persistent cache is not stored after closing Firefox. I only have the memory cache enabled which it empties when Firefox is closed. Sometimes I need for ...
1
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0answers
34 views

HTML5 for Firefox 46.0.1 Ubuntu 12.04.5 Lts

I am a new user (ie. please be detailed). I have this version of Firefox : 46.0.1 installed and recently learned how to install Flash Player with great difficulty. Now I realize I cannot watch via ...
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0answers
28 views

firefox on ubuntu 16.04 lts freezes scroll [closed]

good day Seems my problem, or bug stand still I will post it I was using firefox, one windows, and google chrome Suddenly it stopped scrolling and no error appeared At that time I opened chromium and ...
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2answers
35 views

Ubuntu doesn't display fonts properly on some sites like Facebook

I had the same issue on OpenSUSE. ms fonts is installed. Tried with the following 2 browsers: Firefox Chrome
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2answers
241 views

Juniper Network Connect not working on ubuntu 16.04

Previously, on Ubuntu 15.04, I had managed to follow this guide http://ubuntuforums.org/showthread.php?t=2275776 and get the Juniper Network Connect to work properly from Firefox and connect to my ...
3
votes
1answer
24 views

Firefox on Lubuntu opens half of its height on startup and then maximizes

Couldn't come up with something better for the title. But I'm trying to explain it better (and the GIF below explains it even better graphically). So, when I open Firefox on Lubuntu, no matter if ...
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0answers
31 views

Firefox crashes randomly

This happens 75% of the time whenever I open a page: Add-ons: ubufox%40ubuntu.com:3.2,%7B972ce4c6-7e08-4474-a285-3208198ce6fd%7D:47.0,firefox%40getpocket.com:1.0.2,loop%40mozilla.org:1.3.2,...
5
votes
1answer
376 views

How do I make firefox hello recognize my usb webcam?

I have a labtec usb webcam. It works well with cheese. It doesn't work with firefox hello. lsusb output Bus 002 Device 004: ID 093a:2626 Pixart Imaging, Inc.
4
votes
1answer
51 views

Sync list of custom words in spell checker

Is there a way to sync the list of custom words I added to the spell checking dictionary of firefox? I would like to sync this list to a different pc. It would be even better if I could sync this to ...
5
votes
3answers
6k views

Flash doesn't work in firefox after upgrade Kubuntu to 14.10

I upgraded Kubuntu 14.04-x64 to 14.10. Now flash does not work in Firefox. Now flash is an empty area which sometimes is black when cursor is under it. But flash still works in Chromium.
1
vote
1answer
33 views

Does Brave browser have ability to sync bookmarks like firefox login mechanism?

I am using Firefox for a long time. But it causes high CPU temperature. Sometimes even it raises to 150-200 %.But Brave causing less CPU usage. I would like to import all the bookmarks in Firefox to ...
0
votes
1answer
40 views

How to change Firefox drop-down menu color?

I've got the same problem as in that question: after the system update, Firefox drop-down menus became black. How can I change their color back to white? (I'm opening a new question because that ...
2
votes
1answer
380 views

How to restore Firefox download progress bar in Unity launcher?

Firefox used to be better integrated with Unity: when downloading it would show the number of files and a progress bar. This was achieved through the Unityfox add-on, but it no longer works and the ...