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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1answer
631 views

Autoproxy's auto mode doesn't work

I don't if this is the right place to ask this question, so please let me know if I can get better answer elsewhere. I just moved to Ubuntu 11.04 from Windows Vista. I've been using Firefox ...
5
votes
1answer
1k views

How do I switch Flash players?

Firefox shows that I've got Gnash installed, but in Synaptic I have the most recent Adobe Flashplayer. I've been having trouble with Flash content not working, and I'd like to try switching to the ...
5
votes
2answers
46 views

How can I upgrade to Firefox 34.0.5 on Ubuntu 14.04?

I have Firefox 34.0 installed on a system running Ubuntu 14.04 (Trusty). Many websites want to inform me that my browser is outdated, as apparently 34.0.5 has some significant security updates. ...
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votes
7answers
1k views

Adobe Flash Plugin is vulnerable/outdated but there is no update in Firefox

I am using Ubuntu 14.04 LTS. When I open a site which requires flash plugin (e.g. Youtube), Firefox says This plugin is vulnerable and should be updated. However if I click Check for updates... ...
5
votes
1answer
862 views

how tell Thunderbird to open links in a certain Firefox instance?

I'm using Firefox and Thunderbird profiles for different activities and have them running as separated instances (processes) on different virtual desktops. This works great in general. But a big ...
5
votes
1answer
559 views

Text colors in unity

If I want to try out a different GTK3-Theme using the Unity Shell, I always have troubles with colors of the text. Many themes seem to have trouble with upper bar using similar text colors (i.e. black ...
5
votes
1answer
1k views

What's the ultimate way to install debug Flash Player in Firefox?

What's the easiest way to get a debug Flash Player (the one you can download from here, though I don't care if it's downloaded automatically) working in Firefox? 64 bit system, default Firefox from ...
5
votes
2answers
2k views

Menubar text color and firefox black making is unreadable with Ambiance. How do I fix this?

Ever since I purged kubuntu-desktop from my ubuntu installation, my firefox menu bar text changed to black. I now have trouble using firefox with the ambiance theme. Is there a package or something ...
5
votes
3answers
837 views

Cannot enable Firefox “submit crash report” option

Inside Firefox, I try to check the box in Edit->Preferences->Advanced->General which says Submit crash report, but each time I close the browser and open it again it remains unchecked. What could be ...
5
votes
2answers
176 views

Unbearably Slow Network Performance in Chrome/Firefox (14.04)

I've been tolerating miserable performance on my Ubuntu desktop for some time and am finally taking the time to look into it. Symptom: Using a web browser (Firefox or Chome; doesn't seem to matter) ...
5
votes
2answers
171 views

Is it possible for Adobe Flash to kill my GPU?

The question Is it possible that Adobe Flash in Ubuntu 12.04 on Firefox could damage my GPU? History So... there I was, using my beloved Ubuntu 12.04, Doing some PHP/Javascript/HTML development in ...
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0answers
49 views

Visiting launchpad.net in browser causes icon to appear in launcher, how do I remove it? [duplicate]

Possible Duplicate: How do I remove a website from Ubuntu’s web applications? Using Ubuntu 12.10 with Unity. I think I agreed to install a Launchpad add-on in Firefox the first time I ...
5
votes
2answers
675 views

Ubuntu tweak and Mozilla (firefox and thunderbird) cache

I usually use Ubuntu tweak to do cleanup jobs on my PC. This includes apt and program cached data and old kernels. This goes alright for most programs except Mozilla based application - Firefox and ...
5
votes
2answers
132 views

How do I disable the fourth button on an Apple Mighty Mouse?

I have an Apple Mighty Mouse, but it's been banged up a bit. The side buttons (4th buttons) are way too easily pressed. When I'm using Firefox, the 4th button can accidentally click and I'd go back ...
5
votes
1answer
684 views

Firefox global application menu in Classic Desktop? [closed]

I am using Natty without unity, but I am a fan of the global menu applet. Unfortunately, it does not work for Firefox 5 (and other programs that draw them themselves). How can I activate the special ...
4
votes
2answers
307 views

How to show list of installed extensions for firefox via command line?

What is the command line to show the list of all installed extensions on the firefox browser? Is there any. I checked man firefox but did not help.
4
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?
4
votes
1answer
8k 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 ...
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votes
3answers
3k 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.
4
votes
3answers
10k 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 ...
4
votes
2answers
10k views

How to integrate KeyPass2 and Firefox using Keefox/PassIFox in Ubuntu 13.04 & 13.10

I have already Installed KeePass2 and also installed both Add-ons Keefox, PassIFox. But I don't know how to integrate it. Pls help me with the instructions.
4
votes
2answers
3k views

Flash debug player installation problem

Standard Version: When I download the player without the debugger from here and place the libflashplayer.so file into the ~/.mozzila/plugins/ directory the player works fine. Debugger version: But ...
4
votes
2answers
377 views

Is running an add on like “No Script” in Firefox needed on a linux system? [duplicate]

Possible Duplicate: Should I use No-Script? A friend recommended the "No Script" add on for Firefox, however this friend runs a windows system. Is running "No Script" on a Linux system ...
4
votes
1answer
1k views

How can place Firefox’s tab close buttons on the left?

I would like to make Firefox fit more to the Ubuntu default themes Ambiance and Radiance. Therefore I would like to place the tab close buttons on the left instead of the right of each tab. I found ...
4
votes
4answers
4k views

Does Firefox have something similar to ActiveX in terms of security vulnerabilities?

People always say that Linux is more secure than Windows. The main reason seems to be the general system design philosophy and the fact that users are users and not root. One main security concern ...
4
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2answers
441 views

How to start a Firefox 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: ...
4
votes
1answer
810 views

Allow fullscreen - where is this list stored?

I'm running Ubuntu 14.04, Mozilla Firefox 29.0 for Ubuntu Canonical 1.0. After installation I've watched some YouTube videos and clicked fullscreen, and the popup 'allow full screen?' appeared. By ...
4
votes
3answers
4k views

How to launch different firefox profiles via the keyboard using Unity

I'm a heavy user of firefox profiles - a general one, work and one just for facebook so facebook doesn't know where I'm browsing. I have customised my firefox launcher icon to give me access to ...
4
votes
1answer
3k views

How can I stop Firefox throwing a NS_ERROR_FILE_CORRUPTED error?

I had a powercut last night and ever since then when I try to access the Ask Ubuntu Chat, I see the following error in Firebug. Component returned failure code: 0x8052000b (NS_ERROR_FILE_CORRUPTED) ...
4
votes
2answers
7k views

How can I join a Skype Public chat via links?

In Windows, I can join a Skype Public chat by pasting a Skype chat link into a web browser's address bar (or clicking a link which contains that URI), but it doesn't work in my Ubuntu 10.04 using ...
4
votes
3answers
3k views

How can I change Firefox switching tabs shortcuts?

I was used to press Control+1, Control+2 and so on to switch between tabs in Firefox. Now, in Unity, I have to use the Alt key instead. How can I change that? Thanks!
4
votes
3answers
1k views

How to disable the warning sound when closing firefox

I appreciate to be warned when I try to close Firefox with multiple tabs open, but I really don't want to hear the warning sound. How can I disable the warning sound for firefox? Thanks in advance.
4
votes
3answers
892 views

Firefox becomes default browser after upgrade. Cannot revert to Google Chrome

Upgraded my notebook to Natty Beta 1 two days ago. All seems to be in order except for a very annoying little thing. I used to have Google Chrome as my default browser, and after the upgrade, this ...
4
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9answers
8k views

Font rendering in Firefox is blurry

A picture is worth a thousand words... so does anyone know how to fix this font blurriness in Firefox? (You'll need to right-click the picture below go to View Image to view it full-size; it's too ...
4
votes
1answer
140 views

How do I set startup/ home page to a desired website?

How do I set up the start up page to the desired website? Automatically goes to Google Search. Not sure how to adjust.
4
votes
8answers
40k views

Adobe Flash Player is not working in 12.04

I am facing problems when opening some videos and contents from some web sites. I figured out that Adobe Flash Player is not working properly in my system. I have installed a fresh copy of 12.04 on ...
4
votes
4answers
33k views

How to start firefox in fullscreen mode?

how do i start firefox 4 in fullscreen mode (the one activated by pressing f11)?
4
votes
4answers
11k views

How to Fix Firefox when it freezes completely after open it?

First time ever today Firefox Version 3.6.13 freezed for me on Ubuntu 10.10 64bit. I open Firefox normally but then nothing respond on the GUI.The only thing I can do is close it. When Closed I try ...
4
votes
2answers
584 views

How to make Firefox use native notification (notify-osd)?

I've seen this: As you can see Firefox is using the Ubuntu notification to notify the user. How to do that? I just want to get notifications for anything in general: for example, if a download is ...
4
votes
2answers
435 views

Black dashes when scrolling on webpages. Firefox 13.10

On Firefox with Ubuntu 13.10, and Cinnamon desktop I get dashes appearing on webpages when I scroll. See screenshot: Any ideas about what this is and how to get rid of it would be appreciated. It ...
4
votes
2answers
3k views

Is running Latest Firefox on older versions of Ubuntu possible?

Is running Latest Firefox (ver. 16) on Ubuntu 8.04 possible? If so, what do I need to do to accomplish this? (If I can keep that latest support Firefox 3.6.17 alongside the latest Firefox 16, that's ...
4
votes
4answers
2k 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 ...
4
votes
1answer
1k views

How to always show menu in Firefox?

How do I get the application menu to be placed inside the Firefox window? I'm running Ubuntu 11.10 and Firefox 12.0. I like Unity as a whole, but the Mac-style "globalmenu" idea provides bad ...
4
votes
2answers
1k views

Why does X-forwarding firefox take so long?

I ssh -X from Ubuntu to an Ubuntu Server, on which I've installed X, x11-apps and Firefox. Running xeyes shows the eyes, so I know that the X forwarding works. But when I try firefox, nothing happens: ...
4
votes
2answers
6k views

Kubuntu 12.04 Firefox and Rekong don't know how to open downloaded files

I just installed Kubuntu 12.04 beta 1. Both Rekong and Firefox don't know how to "Open Containing Folder" for downloaded items. They also don't know how open the item itself. (I'll give the specific ...
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
1answer
270 views

How do I make Firefox 5 localized?

Before upgrading from Firefox 4 to Firefox 5, my interface was Dutch. After the upgrade, it suddenly became English. Is this a bug in Firefox 5 or am I missing something? Output of apt-cache policy ...
4
votes
1answer
128 views

Which firefox.desktop prevails?

If there is a firefox.desktop file in ~/.local/share/applications, does it override the firefox.desktop in /usr/share/applications? If not, is there a way to make it do so?
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2answers
2k views

.conf page for Firefox's about:config

Is there any such .conf file for Firefox to edit about:config?
4
votes
1answer
2k views

How can I install multiple versions of Firefox (4.0 and 3.6), preferably using apt

I have the firefox package (Firefox 3.6) installed in Ubuntu 10.04. I'd like to install Firefox 4.0 from the Mozilla PPA but keep 3.6? The instructions look like they'll replace the current firefox ...