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
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1answer
4k 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
415 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
15k 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
1answer
21k views

How can I use Cisco WebEx in Firefox on 64-bit Ubuntu 14.04?

I would like to view screen shares and share my screen via WebEx. I have Firefox installed on Ubuntu 14.04 (64-bit). I can join a meeting, but when I try to share my screen or see others' screens, ...
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 ...
5
votes
4answers
588 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
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 can I do this? I want to remove Firefox because I want to use Google Chrome as my default ...
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
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
14k 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
5k 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
5k views

Is there a way to lock my browser with a password?

It would be OK if it was only with my login password, but I would like to lock both midori and Firefox so that they cannot be used without entering a password. I'm running 12.04.
5
votes
3answers
11k views

How to make new tab open a blank page in firefox?

Today ubuntu software center asked me to update things as usual, and I accepted. But now when I open a new tab in firefox, it shows 9 'mini pages' taken from the history of visited pages. How can I ...
5
votes
2answers
465 views

How to move between Nautilus panes?

I believe Nautilus is the file system in Ubuntu. When I have two tabs open, in say my home directory, how do I move between them easily? Is there a shortcut key? For example: In Firefox, Ctrl + Tab ...
5
votes
3answers
967 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
482 views

How to get a proper Firefox History view?

I have noticed that unlike in other browsers, in Firefox there is no proper History view as such, because the only way to get a history in the right order is to set it on Most Recent Viewed (if you go ...
5
votes
2answers
16k views

Youtube only show videos in 360p quality in Firefox Developer Edition

I've been having this issue with Firefox Developer Edition (FDE) on Youtube, where it show videos only in 360p quality, there's also an "Auto" option, which is also, the 360p quality. I'm in Ubuntu ...
5
votes
2answers
1k views

How do I close a new Firefox window from the Terminal?

I have multiple instances of Firefox running in Ubuntu 14.04. How can I close the most recently opened window/instance from the Terminal? I tried using the cfct alias defined in an answer to a ...
5
votes
2answers
310 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
1answer
9k views

Where do Chrome, Chromium and Firefox store offline data

As the question says, where do each of the browsers store their offline data, be it cache, offline storage from html5, images, flash videos or anything web related that gets stored locally.
5
votes
1answer
723 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
3answers
18k 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
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
4k 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
1k 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
78 views

How to set firefox so that it asks for profile while opening?

How to set Firefox so that it asks for profile while opening. Can I edit the Firefox binary for the same ? if yes, how can it be possible ?
5
votes
1answer
2k 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
2answers
4k views

Can't open Firefox after upgrade to 13.04

I just upgraded my 12.10 to 13.04 with "great" difficulty, but a few issues persist. Firefox refuse even to open when I click the icon. I had to tweak a bit to complete the 13.04 upgrade, so it may ...
5
votes
3answers
8k views

Get the default Firefox profile directory from bash

I'm trying to get the profile directory of the default firefox profile (the one that opens automatically) from Bash. How could I proceed? I can't find any useful options issuing firefox --help
5
votes
2answers
956 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
2k 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 ...
5
votes
3answers
490 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
3answers
4k 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
1answer
812 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
2answers
1k views

Installing a firefox extension via terminal?

Is this possible? Ideally, I'm trying to make script which will take files (my extension backup files) and replace or install them into other user's computer, with all settings saved. Is this ...
5
votes
5answers
31k 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
6answers
6k views

Keefox and Keepass are installed. Yet every time I open Firefox, I'm asked to configure it again

I have installed Keepass2 from the Ubuntu Software Center and Keefox in Firefox. The setup works fine. Both can communicate with each other. However, every time I start Firefox I'm greeted with the ...
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
4answers
3k views

Libre office (read only) issue

I run ubuntu 10.04 with the latest version of LibreOffice (the one release the other day). When downloading a document - like something in excel in my firefox, and want to open it, it opens up in ...
5
votes
3answers
5k 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 ...
5
votes
2answers
941 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
409 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
1answer
811 views

Newly installed Firefox 43 crashes when videos are played

Both my wife and I have 12.04LTS on our desktop PCs. Last Saturday a routine apt-get upgrade upgraded us from Firefox 42.0 to Firefox 43.0. The new version crashes consistently if you try to play and ...
5
votes
1answer
4k views

Firefox cache2 'doomed' folder

I was recently looking in my Firefox cache as I have made it so that it does not cache: And I found this folder called doomed: ...
5
votes
2answers
1k views

How can I change the default download action to gnome-open in Firefox?

Firefox determines which program to use to open a download based on the download's MIME type. More information on that can be found in Mozilla's online documentation. It seems to me that when Firefox ...
5
votes
2answers
5k 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
7k 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
315 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 ...