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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5
votes
5answers
10k views

Bad anti-aliasing in some applications

There was an update a few weeks ago that seemed to mess with anti-aliasing in some applications. Firefox, Thunderbird, and the text in some apps such as Mousepad and Leafpad (but not the rest of the ...
23
votes
1answer
8k views

Firefox Middle Mouse Button Scroll

How can I get the middle mouse button to behave correctly in Ubuntu? Clicking the middle button does not show the arrow which allows me to scroll the page by moving the mouse. Information: Firefox ...
10
votes
5answers
994 views

Emacs keybindings for textboxes in firefox?

I'm so used to emacs that sometimes, when I'm typing something in a textbox in firefox, I sometimes try and do C-p to move up a line. It is seriously annoying to have to cancel a print dialog box ...
9
votes
1answer
4k views

Firefox not affected by gtk theme

How can I make firefox use Adwaita theme like all other apps do? Good: Bad: Preferably also make web pages darker as well.
9
votes
2answers
5k views

how to resume download in wget which is integrated with firefox via flashgot

I use wget as a downloader. It is an excellent, outstanding application. I integrated it with Firefox using Flashgot. How can I resume a download which was stopped by a CTRL+C key press or a shutdown ...
8
votes
3answers
5k views

Ibus incompatible with Tor Browser in 13.10

I have recently updated to 13.10 from 13.04 and noticed a compatibility issue between the new Ibus and the Tor Browser. Basically, the Tor Browser does not accept any keyboard inputs, while all other ...
8
votes
2answers
3k views

How to make Firefox use the Gnome Keyring vault for password storage and retrieval?

With Chrome it is quite simple to use Gnome Keyring for password storage. But with Firefox 4 on ubuntu 11.04, I don't know how to achieve this. I remember that firefox 4 supposedly has OS integration ...
8
votes
4answers
7k views

Firefox application associations not working

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 ...
7
votes
5answers
15k views

4oD (UK) - Can't stream

I'm using the most up-to-date version of firefox and flash player. When I go on 4oD and press play I used to get the loading screen showing forever with nothing playing. I then had a search and ...
7
votes
2answers
2k views

Why do firefox 4 and evolution always open maximized in Unity? [duplicate]

Possible Duplicates: Prevent Unity from auto-maximizing How to keep programs from launching maximized? 11.04 Why do Firefox 4 and Evolution always open maximized in Unity? Even after you ...
6
votes
1answer
6k views

How to fix the fonts in Firefox?

It has only stated today after installing KDE's system settings and configuring it to make KDE apps look native . Firefox has started using a thinner font. so how do i make it use the default ...
4
votes
4answers
3k views

My Facebook doesn't work on Ubuntu 10.10 but works on Windows XP

I have both operating systems installed on my PC, but Facebook only works on XP. I have tried Firefox and Chromium, but it works the first time, but after I log in it doesn't work, and can only open ...
3
votes
1answer
3k views

Why do I have to enable the AppArmor profile for Firefox? Why isn't it “on” by default?

I have a pretty standard default install of 11.10 (Unity 3D). I'm trying to understand a bit about AppArmor. sudo aa-status shows me that the available Firefox profile isn't being enforced (since it ...
12
votes
3answers
3k views

How to use American English spelling dictionary in Firefox?

My Firefox spellchecker was complaining this morning that I spelled 'neighbor' in the American English style, not the British English style ('neighbour'). Same is true for color (colour), analyze ...
9
votes
3answers
17k views

How to install Firefox addon from command line in scripts?

I want to improve my unattended script adding some Firefox addon, however I cant find the way, Can someone help to find out how to? Example: (Want to install adblockPlus plugin and set a new ...
8
votes
1answer
5k views

Global menu bar integration add-on missing in Firefox 22 for Ubuntu 12.04

I just installed Firefox 22 via PPA, and during installation I noticed the global menu bar integration add-on version 22 also was included, but when I launch Firefox I cannot locate the add-on to ...
8
votes
6answers
3k views

Firefox Slow Performance

I have to say, firefox on ubuntu's performance is attrocious. Very quickly it gets into 100% cpu use (thank god I have multiple cores) and hundreds of megs of ram. Even closing tabs does not help the ...
7
votes
2answers
38k views

How to install Java plugin in Firefox? [duplicate]

I am trying to install Java and plugins for firefox. I installed both jdk and jre. When I try with the sudo update-alternatives --config java command it shows only one choice available. Plugins are ...
7
votes
1answer
5k views

Should I force enable hardware acceleration in the browser?

Neither firefox nor chromium have hardware acceleration enabled by default right now. Firefox 4 has an option its registry to force it: layers.acceleration.force.enabled , which is by default set to ...
6
votes
3answers
2k views

How do I change the default browser?

Despite Chromium being set as my preferred web browser under "System Info", when I click a link in an IM window of Pidgin, it opens in Firefox. How do I make it so that links open in Chromium? I am ...
3
votes
2answers
976 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
4answers
1k views

How can I install Firefox 4 nightlies and Firefox 3.6 stable on the same system [closed]

I started using the firefox nightlies a while ago. I would get updates for both versions 4 (Minefield) and 3.7 (Namoroka). Now I want to keep version 4 nightly, but replace the 3.7 nightly with 3.6 ...
2
votes
3answers
928 views

Firefox doesn't display website text

Firefox 11 doesn't show any text on some sites as Google and Youtube. Also Lotus Symphony doesn't show many UI Labels. This problem occurred suddenly. Firefox display error: Symphony ...
1
vote
2answers
879 views

“/usr/bin/ld: cannot find -lX11” building Firefox OS?

Tried to Build Firefox OS with Ubuntu 13.10 and got this error: host SharedLib: libOpenglRender (out/host/linux-x86/obj/lib/libOpenglRender.so) /usr/bin/ld: cannot find -lX11 /usr/bin/ld: cannot find ...
0
votes
2answers
2k views

Bash Script using a Firefox Profile to open URLs

Working on a script to automate some tasks in Firefox. These tasks should run through a clean Firefox profile, so they are fast and don't interfere with any of my regular surfing. #!/bin/bash # ...
20
votes
2answers
1k views

Why is natty-proposed suggesting an upgrade to a beta version of Firefox?

Well I loaded up update manager today and it wants to replace Firefox 4.0.1 with 5.0beta5. To double check I fired out apt-cache policy firefox and there it is: ...
8
votes
4answers
2k views

How to make firefox use notifyOSD?

I have a computer that has 10.04 installed on it. When I download something off the internet, NotifyOSD displays to say the download is complete (Firefox is using NotifyOSD). I'm using 11.04 on ...
8
votes
3answers
3k views

Why doesn't Ctrl + F5 work in Firefox?

I'm using Xubuntu 11.04, and with a Windows XP in my VirtualBox. Both have latest Firefox 4 installed. But inside my Ubuntu, Ctrl+F5 never works, and because I don't know what else I could do to force ...
7
votes
1answer
131 views

How to execute a terminal command every time the firefox windows closes

I need to execute this: rm -rf ~/.wine-pipelight/*; rm -rf ~/.wine-pipelight/./.*; cp -a ~/viewright_backup/. ~/.wine-pipelight every time the Firefox window closes. But not necessarily when all ...
7
votes
2answers
4k views

Address bar in Firefox automatically redirects to google search

Whenever I type something in my address bar (other than a url), Firefox automatically uses Google search to give me results for it. Where can I change this behaviour in Firefox? I'm using Ubuntu 12.04 ...
7
votes
2answers
4k views

Why is Firefox Prism not in the repositories anymore?

Prism is a simple XULRunner-based browser which hosts web applications without the full browser interface. It seems as if Firefox Prism was removed from the repos since 10.04; there is no package for ...
7
votes
5answers
5k views

How can I manually change the default web browser? [closed]

Firefox is not showing in system-settings - system info. So I cannot use the menu to choose it. (I don't want to seem off-topic but I think a little background would be helpful here: The previous ...
7
votes
1answer
8k views

Mouse wheel click scrolling in Firefox

Just installed Ubuntu 11.10. Been a while since I used any distro and I'm very impressed. To be difficult, does anyone know how to enable the middle mouse button scroll option when browsing? I don't ...
6
votes
2answers
11k views

How to completely remove firefox so it won't update?

I really don't like firefox, so the first thing I did after installation was install chromium as a browser and removed firefox via terminal using: sudo apt-get remove --purge firefox But every time ...
6
votes
2answers
28k views

How to completely uninstall and reinstall Firefox?

How can I completely uninstall Firefox, then re-install? My brothers Firefox icon is just blank for some reason on the Unity sidebar. It launches but the icon is completely blank nothing there. If I ...
6
votes
2answers
1k views

What does Firefox AppArmor restrict/allow?

I know the AppArmor profiles resides in /etc/apparmor.d/, but I do not know how to interpret it. Any translation would be enlightening.
5
votes
2answers
1k views

How can I re-enable the global menu in Firefox?

Until recently, Firefox on my machine used the standard Unity global menu. However, recently the menu is no longer global and, strangely, is centered. See this screenshot: firefox-globalmenu is ...
5
votes
6answers
1k views

Is there a WINE version of Flash as a plugin to Firefox or Chrome?

I've seen complaints about flash performance. Would it be possible to use WINE as a plugin to firefox in order to get better performance out of flash? (Hopefully WINE would utilize some sort of ...
4
votes
3answers
1k views

Fonts in Firefox weird after installing kubuntu-desktop

I've installed KDE with the intentions to try it out, but now, after removing it and going back to Unity, I noticed that the fonts in Firefox are still like in KDE. How can I revert the font type to ...
4
votes
3answers
3k views

Can I sync bookmarks between Firefox and Chromium?

So, Firefox has turned so resource intensive that my netbook can't run it without making me want to pull my hair out. Thus, I have been trying Chromium with quite some success (I have managed to find ...
4
votes
2answers
521 views

How to make Firefox use chromify-osd?

I understand that Chrome has chromify-osd, an extension that lets it use notify-osd for notifications. Is it possible to customize it such that it works for Firefox as well?
3
votes
1answer
82 views

Unable to play FIFA videos, StarSports Videos on Firefox 30 (Ubuntu 14.04 64 bit)

I am using FF 30 on Ubuntu 14.04. I installed flash and youtube is working fine. However some videos from some sites aren't playing - Foot ball videos (FIFA) and Cricket videos (Starsports) etc. Just ...
3
votes
3answers
12k views

Where is Firefox's plugins directory?

I know that there are extensive, "proper" methods for installing Firefox plugins. However, I would like to know where the folder is for linking shared-object (.so) files, such as libnpjp2.so and ...
3
votes
2answers
2k views

How can I open pdfs in firefox using evince (not acrobat)?

I already installed mozplugger sudo apt-get install mozplugger Then I changed the pdf part of /etc/mozpluggerrc into the following: application/pdf:pdf:PDF file application/x-pdf:pdf:PDF file ...
3
votes
2answers
3k views

How do I make a digital certificate available to LibreOffice Writer for digital signatures?

I obtained a client certificate from CAcert through Firefox. I want to use that certificate to sign a document created with LibreOffice Writer. In Writer, I click File > Digital Signatures... to ...
3
votes
2answers
276 views

Firefox update fails with “not found” error

I got 3 update notifications for firefox: Yet when I click update, it fails with a "not found" error: Any idea why this is? How to fix this?
3
votes
1answer
930 views

How can I run simultaneously two different firefox profiles

In (K)ubuntu, how can I run more than one Firefox profile simultaneously? I need this to run different websites with different extensions.
3
votes
1answer
2k views

Is there an equivalent to FireShot for Firefox?

On windows, I can use Fireshot with FireFox to take screenshots, ufortuately, its works only on Windows... how can I do the same on Ubuntu? The main features I will need are: Take full scrolling ...
2
votes
1answer
55 views

Occasional artifacts when displaying characters

To summarize the answer: switching to proprietary drivers should work, but the artifacts disappeared for me even on the free drivers now. Update: since switching back to the proprietary AMD driver ...
2
votes
1answer
145 views

what is the code to disable “open file” under menu tab in Firefox userChrome.css? [closed]

I want to disable the open file option in the menu tab in Firefox. I have written menuitem[label=Open File]{ display:none; } but it's not working.