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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6
votes
1answer
3k views

How do I get 'Main Menu' back?

In 11.04 and previous editions of Ubuntu, I used the 'Main Menu' tool (under 'System/Preferences') to change individual icons that I did not like in the icon theme I use (Faenza, and mainly the ...
6
votes
1answer
384 views

Is Firefox 6 performance worse in Ubuntu than upstream?

It has been said that Firefox 6 will perform better than previous version because it compiles with a newer version of GCC, version 4.5, and aggressive optimization. When I updated to Firefox 6 in ...
6
votes
3answers
12k views

Very High CPU usage (100%) from just browsing the Web

I tested on Firefox and Chromioum. Im at 100% while loading pages which causes them to load slow and when I dont have a application running Im at 40% CPU (At least) Everything is slow basically. Im ...
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.
6
votes
1answer
229 views

How can Firefox install WebApps without root privileges?

When visiting a supported site Firefox shows a pop-up message asking if you want to install a WebApp (for instance facebook, pandora, etc). If you accept, the corresponding package is installed (for ...
5
votes
4answers
574 views

With Xmarks closing down, what is a good alternative?

I'd like to keep my bookmarks synced between different browsers, computers, and operating systems. What's the best browser plugin or other solution to keep my bookmarks synced between all of these?
5
votes
4answers
3k views

Why does Google search always count more results in Firefox or Chrome than in Chromium?

It really puzzles me that any Google search counts far more "results" in Firefox or Chrome than in Chromium. Google says "About 1.460.000 results" for "natty narwhal" in Firefox or Chrome but only ...
5
votes
6answers
2k views

Why does removing Firefox install another browser?

I want to remove firefox (with sudo apt-get purge firefox*) but without installing the epiphany browser. how to do it? PS : I want to remove firefox becouse I want to use and only use google-chrome ...
5
votes
2answers
1k views

Can any browser switch to already open tab, if address you're opening is already open?

If "https://mail.google.com" is already open a tab, it it possible to have a browser switch to that tab if I try opening "https://mail.google.com" in a different tab? What if I try opening the new ...
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 ...
5
votes
3answers
24k 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? ...
5
votes
5answers
11k 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 ...
5
votes
3answers
3k views

How can I change the default web page at the system level?

I am trying to change the default web page, so that people using guest-session will open a specific web page instead of the default site. Also, please note that when I installed Chromium, the Ubuntu ...
5
votes
2answers
4k views

How can install Aurora (Firefox) and keep updating it?

I would like test the Aurora channel on Ubuntu 11.10. How can I do this?
5
votes
3answers
342 views

Switching off images in Firefox

In older versions of Firefox there was an option to switch off loading of graphics. Now, in 28.0 I can no longer find it. It uses to be in [Edit] -> [Preferences] -> ... Is there a simple way ...
5
votes
1answer
9k 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 ...
5
votes
1answer
7k views

How can I disable the global menu in Firefox?

I can't open bookmarks in new tabs from it (this seems to be a bug in Unity), so I disabled the add-on for it. But the latest update for Firefox (22.0) removed that add-on and re-enabled the global ...
5
votes
3answers
11k views

How to install debug flash player 11.1 on 64-bit

I had Firefox working with the debug flash player that I downloaded from Adobe Flash Player Support Center following the instructions on http://ubuntuforums.org/showthread.php?t=1300563. However, ...
5
votes
2answers
2k views

Pencil export page as PNG does not work

I was trying to use the latest Pencil (version 2.0.3) in Ubuntu 12.04, but the PNG exporting does not work, with Pencil working both inside and outside Firefox (which is 19.0.2). The export page as ...
5
votes
3answers
3k views

How can I fix TTF fonts' ligatures (tt, ti, fi, ff, etc) in Firefox?

With certain Windows fonts there is a display issue where ligature-kerning seems to flip out and make the two letters bold. Here's a screenshot of an email using Helvetica in Firefox: As you can ...
5
votes
3answers
822 views

Desktop dims when Thunderbird and Firefox are launched

I am running Ubuntu 12.04 (almost default install regularly updated) Unity interface on ASUS X53U (AMD Brazos Dual Core C60 with 2GB RAM). On launching Thunderbird and Firefox, the application dims ...
5
votes
2answers
296 views

how can I install firefox 5 on Ubuntu 11.04? [duplicate]

Possible Duplicate: How do I install the latest stable version of Firefox? I've seen Firefox 5 has been released. How can I install it for Ubuntu 11.04 without deleting my current Firefox ...
5
votes
2answers
1k views

Can I remove the countdown when installing extensions in Firefox?

When installing an extension in Firefox, the confirmation dialog makes you wait 5 seconds before you can install the extension. I find it annoying and unnecessary, is there a way to shorten or remove ...
5
votes
2answers
2k views

How to change firefox startpage from Ubuntu's to Firefox's?

Well, I installed Ubuntu GNOME Remix. Now I miss the "Restore Previous Session" button that Firefox start page has. How do I get it back? This is what I want:
5
votes
2answers
12k views

Cannot get Java to work in Firefox

In Firefox 17 on Ubuntu 12.04, I cannot get the Java verification applet to work (needless to say I cannot get any Java applications on the browser working). I already tried uninstalling and ...
5
votes
1answer
688 views

How to install Firefox 3.5 side-by-side to default Firefox 4?

My online banking requires Firefox 3.5 instead of the default Firefox 4 that comes with Ubuntu 11.04. How can I install version 3.5 to be able to have it running side-by-side to Firefox 4?
5
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 ...
5
votes
1answer
1k views

No “Hello” icon in Firefox 34

I've just upgraded to Firefox 34, but cannot see "Hello" icon on Firefox toolbar. I could not find any info on that in Internet. There is no "Hello" icon there in "Additional Tools and Features" ...
5
votes
1answer
111 views

Is it safe to browse the web with Firefox during Ubuntu install?

As asked in the title. I clicked on one of the links in the Quantal installer (set up via UNetbootin) and it launched Firefox. Will using it for a longer time during install cause conflict with ...
5
votes
1answer
2k views

How can I get the menu bar in firefox?

I installed a fresh ubuntu desktop 11.10 and in firefox there is no menu bar. I tried several things like pressing the Alt key F1-12 right click on a free space in the tab bar but still no menu ...
5
votes
2answers
3k views

How do I change the browser that gnome terminal opens links with?

I'd like gnome-terminal to open links with the Chrome browser, but it insists on opening them with Firefox. I've followed both pieces of advice found here without any success: ...
5
votes
3answers
889 views

Keyboard shortcut to un-focus form controls

While a form control like <select> or <input> is focused the arrow keys, Page Up, Page Down, Home and End all navigate inside the contents of that control rather than the web page itself. ...
5
votes
2answers
617 views

Transfer browser tabs from Firefox to Google Chrome

If Google Chrome and Firefox are both running, is there any way to transfer all browser tabs from Firefox to Google Chrome? I want to write a shell script that will transfer all tabs from Firefox to ...
5
votes
3answers
357 views

Do I need to be concerned about browser security?

I have been a long time windows user till about thanksgiving when I switched to ubuntu. on windows I used firefox because I could trust the security that it gave. Since malware/virus are next to none ...
5
votes
2answers
3k views

What's the default serif font in firefox?

I'm trying to come up with a solid font stack that incorporates fonts typically found on an ubuntu install. font-family=serif looks great, but for obvious reasons, this isn't appropriate for other ...
5
votes
4answers
35k views

How to start firefox in fullscreen mode?

how do i start firefox 4 in fullscreen mode (the one activated by pressing f11)?
5
votes
1answer
809 views

Firefox & OpenOffice don't use Indicator Applet Application Menu

At present, it seems neither Firefox nor Open Office seem to be using the Indicator Applet Application Menu. Is there a work around/fix committed?
5
votes
5answers
30k views

can't use flash in ubuntu 13.10

Since I upgraded to ubuntu 13.10, my flash isn't working anymore in firefox or opera. It only works in Google Chrome as it is included in the browser. I did check that I have flash plugin for firefox ...
5
votes
2answers
4k views

Middle-click and drag doesn't trigger auto scrolling

I've just came from a Windows system (in fact, I'm dual booting Ubuntu 12.04 and Win7), and in my Firefox installation back then, when I pressed the middle mouse button (mouse wheel), it displayed a ...
5
votes
1answer
2k views

aptitude (apt-get) always crashes

I'm using Ubuntu Quantal. I've recently updated and now my kernel is 3.5.0-23-generic. After upgrade my NVIDIA driver stopped working... no problem! I re-installed it and now it works. Now I ...
5
votes
2answers
2k views

Cannot find firefox in Lubuntu desktop

I have just installed lubuntu-desktop on top of ubuntu 12.04. I understand that chromium is the default browser in lubuntu but I was expecting Firefox to show up under the Internet menu. It is ...
5
votes
2answers
801 views

How to modify the Firefox homepage in LiveCD for every new user?

I have made a custom Ubuntu LiveCD with UCK. How do I modify Firefox's homepage?
5
votes
1answer
392 views

What is the “desktop couch scratch” folder?

What is the "desktop couch scratch" folder, and what do I do with it, if anything?
5
votes
3answers
15k views

Flash On Firefox

Since Adobe recently dropped support for Firefox on Linux, I can't get flash player to work properly on Adobe Connect in Ubuntu. YouTube videos work fine, I only have problems with Adobe Connect. I ...
5
votes
2answers
3k views

Installing a .cer file

I have a cert.cer certificate file for my Mozilla Firefox. I don't have any clue how to go about installing it for my system. Any guidance would be of great help.
5
votes
1answer
6k views

firefox shows only blank screen when opening new pdf

I use ubuntu 12.04 with firefox and adobe pdf plugin. Since ubuntu 11.04 upto 12.04 i have the problem that i can open only one pdf file in the browser. After closing the pdf, firefox only shows a ...
5
votes
1answer
275 views

How do I turn “sudo apt-get” text into clickable download links in Firefox?

In support forums, tech blogs or any other website, one may encounter some instruction similar to the following: Type sudo apt-get install sl in a terminal window, enter your password en you ...
5
votes
1answer
4k views

Why is the font size in google-chrome smaller than firefox on the same system?

Why is the font size in google-chrome smaller than the font size in firefox when displaying exactly the same web page (for example, wikipedia) in the same Ubuntu 11.04 system? How can I make both use ...
5
votes
1answer
2k views

How can I change the hotkey to Firefox's Search Engine field (next to the address bar)

In the Ubuntu version of Firefox, the keybinding to the the Search Engine text-box (next to the addressbar) is different to what I am used to (in the Windows version). Can I change this key form ...
5
votes
1answer
3k views

Can I use the Aurora PPA to install Firefox Developer Edition?

I would like to get an auto-updating version of Firefox Developer Edition rather than a once-off installation. From comments on the announcement and this Mozilla ticket it appears that Firefox ...