Questions tagged [firefox]

A free and open source web browser created by Mozilla.

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votes
1answer
44 views

linux slackware: boring error with firefox

This strange error is really simple. But i don't know how to solve I download a html page,for example site.com.html When i click on download icon(blue arrow on top right side) and i open..it open ...
3
votes
1answer
212 views

Keeping dotfiles in sync for different folders

I am using Dropbox for storing my dotfiles from which I create soft links to my home directory. For configuration files which I do edit by myself it works very good, however applications like firefox ...
1
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0answers
53 views

Firefox resets all browser settings to default on each update. Why?

Whenever I update Firefox browser, all my settings are reset to default, and the updated browser looks factory fresh. Why is this happening? How can I make my settings persist?
0
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1answer
2k views

Linux Mint - Facebook font rendering in Chrome is ugly

I'm using Linux Mint 18.1 x64 Cinnamon. The fonts in Facebook look really ugly in Google Chrome. Firefox has no issues with it though. Here's a comparison: Fonts in Google Chrome - Notice how the ...
1
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2answers
4k views

run a graphical web browser on windows subsystem for linux?

How to Geek says that Windows 10 will only give CLI access to Linux. Is there possibly any way to run, specifically, Firefox from this bash shell?
1
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0answers
26 views

How to bootstrap Firefox Sync on many machines?

Is it possible to automate the configuration of Firefox Sync on a bunch of machines? I've tried copying profiles.ini and the services.sync.* settings from ~/.mozilla/firefox/*/prefs.js to user.js, but ...
0
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1answer
202 views

Installed EmojiOne, now entirety of Firefox is in serif font

I'm not quite sure what's going on here.. I installed the EmojiOne Color SVGinOT Font from their Github page because I was tired of black & white emojis on Ubuntu, but must have made a grave ...
19
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4answers
8k views

How to decompress jsonlz4 files (Firefox bookmark backups) using the command line?

There seems to be various JavaScript+browser specific ways of decompressing this, but isn't there some way to transform jsonlz4 files to something unlz4 will read?
0
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1answer
76 views

Background process to automatically kill unwanted popups

I am using the newest version of Firefox and I occasionally get a window that is displayed I don't wish. As an example I get a full Firefox ( takes the whole screen ) that I have a virus and says ...
1
vote
1answer
866 views

Linux http_proxy env vars and Firefox websocket connection

The question: is there an env var like http_proxy that will cause Firefox to make WebSocket connections through my proxy when "Use system proxy settings" is selected? I'm running Linux and ...
1
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0answers
237 views

Some apps throw GTK+ errors

System: Ubuntu desktop 16.04.1 LTS I get the following errors when running, gedit from a terminal command line: (gedit:5688): Gtk-WARNING **: GTK+ module libgail.so cannot be loaded. GTK+ 2.x ...
1
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0answers
34 views

Firefox always opens behind calling program

I am opening a local html file with Firefox on RHEL 6.3 with Gnome 2.28.2 and Metacity 2.28.0. Unfortunately, regardless of how I open it (terminal or java) Firefox always opens in the background, ...
0
votes
1answer
616 views

Error: cannot open display: :0.0 - Red Hat Enterprise Linux Server [duplicate]

I am trying to open up firefox in my Red Hat machine. I am doing, export DISPLAY=:0.0 and typing, firefox I am getting Error: cannot open display: :0.0 Is there any way to know what packages are ...
41
votes
4answers
37k views

Debugging high (near total) CPU/memory usage of “Web Content” application on Linux Mint

I have Linux Mint installed on 3 computers at home, and all of them are almost unusably slow whenever Firefox is open. Here is the output from top: As you can see, "Web Content" and Firefox are ...
2
votes
1answer
755 views

How to recover my Firefox bookmarks from an unbootable laptop

I installed Ubuntu 16.04 two months ago and encrypted my partitions using Luks. Everything worked fine until today when I couldn't boot into my system. However I managed to get a copy my home folder ...
0
votes
1answer
302 views

Mathxl (MyMathLab) with Debian

Mathxl is a (expensive) platform I need to use for homework but I can't get it to work. (It's a white screen) The stated system requirements include Linux Ubuntu Firefox 46.0 to latest Which ...
0
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1answer
1k views

Firefox mysteriously crashing

I just started Firefox on my Gentoo machine upon which it crashed with ATTENTION: default value of option force_s3tc_enable overridden by environment. Now, a bit of research gave me nothing tangible ...
0
votes
1answer
217 views

How to debug: Firefox can not lookup DNS

Suddenly Firefox-ESR and Iceweasel can not lookup DNS but /etc/hosts works fine. Other programs does also work fine: konqueror, wget and curl. I have gone through http://mzl.la/1xKrMnN Firefox can't ...
2
votes
1answer
266 views

How to minimize the Firefox build footprint?

After building Firefox with mach build, about 2 GB is in the build folder. Deleting the SDK folder (added to the build folder) saves about 1 GB. So there is about 1 GB of files in a clean build of ...
1
vote
1answer
2k views

Firefox not reading default configuration file

I've built Firefox on CentOS and am having trouble setting default preferences. According to the official docs: Create a JavaScript file in defaults/pref (on Linux) called autoconfig.js Here ...
1
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0answers
712 views

How to create a KDE Desktop shortcut for firefox?

I have installed new firefox on my Fedora 21 Linux "outside of a package manager" through the following webpage instructions: Install Firefox on Linux However, it does not create a shortcut on my ...
-1
votes
1answer
176 views

Compiling Firefox 50 under GLibc 2.12

I've successfully been able to configure the latest Firefox (source) without errors. All the required dependencies are in place (i.e. GCC 4.9.2 via devtoolset-3, Python 2.7, Yasm, libffi 3.2.1, and on)...
1
vote
2answers
1k views

No sound from Firefox or Chrome HTML5 videos, but flash works (alsa)

I am posting this question up mostly because after years (yes, years - cf. [this post][1], for example) of living with this frustration, I finally solved this yesterday and would like to spare others ...
4
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0answers
655 views

Fullscreen works in Chrome but not in Firefox in XMonad

I have searched for people in similar situations, but mostly found out about people who could not make Chrome go fullscreen, but for whom Firefox would. In my case, I can only get fullscreen to work ...
2
votes
0answers
595 views

Why is Firefox stuck, and how might I get it unstuck?

Firefox is hung. Usually I kill it with -1, -9 or -15, but this time, dang it, I want to find out why. I have an hour or so to waste on this, and seek education above actually solving the problem. ...
3
votes
1answer
651 views

GNOME confuses names of multiple different Firefox installations

I use GNOME on Debian Jessie and I have different Firefox installations: the ESR version bundled with GNOME, which I cannot remove (as it is a dependency) the stable version installed from the ...
2
votes
2answers
3k views

How to Watch Netflix/Amazon Video on Firefox 49?

As some may know, Firefox 49 now includes the Google Widevine CDM for Linux!!! This works perfectly for viewing some encrypted streams such as the ones here: http://demo.castlabs.com/, however when ...
1
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0answers
214 views

xorg crashes when firefox starts

When I log in and start Firefox, my computer crashes. I get back to the lightdm login screen. When I log in for the second time, Firefox runs with no problem. This is what Firefox prints to stderr: ...
1
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2answers
1k views

Firefox ESR update on Debian - stutter in Flash videos, laggy response of YouTube's HTML5 player

I'm using 64bit Debian Jessie. Yesterday I pulled an update of Iceweasel using apt-get update and apt-get upgrade. For my surprise now its no longer called like that and instead it has the name ...
0
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2answers
881 views

How to install Firefox to home directory on Solaris?

How can I install Firefox to my home directory on Solaris? I do not have root or administrator access.
13
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3answers
5k views

How to tell Firefox to use another ALSA device?

I have an onboard sound card, and also a connected bluetooth headset. I have configured the bluetooth device in /etc/asound.conf: # cat /etc/asound.conf pcm.bluetooth { type bluetooth device ...
1
vote
2answers
2k views

Firefox doesn't want to execute

I removed previous version of firefox and I downloaded the 45.3.0esr. I moved it to /home/user/firefox. Obviusly, if I type: firefox It raises: bash: /usr/bin/firefox: No such file or directory So ...
3
votes
0answers
136 views

Error encounterd while running Firefox in Xvfb: “Xlib: extension ”RANDR“ missing on display ”:99“.” [duplicate]

I'm trying to run Firefox in Headless mode in a CentOS Linux release 7.0.1406 (Core) I have already have firefox-45.3.0-1.el7.centos.x86_64 installed. I have run the following commands for the ...
1
vote
1answer
93 views

Weird internet problem

I am using Debian 8.5, with dnsmasq. I am having a very weird internet access problem which I couldn't understand why. I have a pretty stupid internet provider (turktelekom) and when you exceed ...
12
votes
5answers
3k views

How to set fallback encoding to UTF-8 in Firefox?

I've written a Norwegian markdown document: $ file brukerveiledning.md brukerveiledning.md: UTF-8 Unicode text I've converted it to HTML using the markdown command: $ markdown > brukerveiledning....
1
vote
0answers
724 views

Firefox on i3 - all hieroglyphs

I just ran a system update on my Arch System, after a rather long while. There were some issues with the automatic update for Firefox so I uninstalled it completely and reinstalled it later. ...
0
votes
1answer
78 views

What is a MURSKY.desktop?

I was setting up some default .desktop files and happened to come across one titled, userapp-Firefox-MURSKY.desktop, which contained the following: [Desktop Entry] Encoding=UTF-8 Version=1.0 Type=...
2
votes
0answers
462 views

Scrollbar width of Linux-Firefox

On my system (I am just running Fluxbox 1.3.7 on FreeBSD 10.3 – but I've seen that on Linux, too) Firefox has a much more narrow scrollbar than on Windows (which also behaves differently). How do I ...
1
vote
1answer
691 views

Updated Flash on Firefox for Linux

Using the freshplayer wrapper one can use Chrome's flash player on Firefox and Firefox based browsers. The reason being that Adobe's flash is outdated. For Ubuntu 16.04 and 15.10. And possibly ...
7
votes
4answers
21k views

Error when executing headless firefox through Selenium

I am trying to execute headless firefox on the remote machine(running Ubuntu 16.04) through Selenium via SSH. However, this gives me a "Error: GDK_BACKEND does not match available displays" error. My ...
2
votes
2answers
137 views

Firefox download - how to get option to open

When I download a file in Firefox, I sometimes get an option to open or save the file, and once set, the default app to use to open the file stays set. But other filetypes only show a save option, ...
0
votes
1answer
2k views

Unable to locate package firefox-mozilla-build

So I have Kali Linux installed on my Raspberry Pi 2B... and I searched up online how to install Mozilla Firefox, all of them said to uninstall iceweasel and then run the following commands: apt-get ...
1
vote
1answer
60 views

How do I re-enable search from the menu bar?

I restored add-ons, bookmarks, and favorites from another installation (Manjaro) by copying the contents of ~/.mozilla/firefox/??????.default into the correct folder of this installation. Now, I ...
4
votes
3answers
2k views

How can I make sure that Firefox doesn't use my GTK theme in the non-chrome part?

I'm using a dark GTK theme. The non-chrome part also uses my GTK theme, which is annoying because the buttons and inputs are black and many sites set the text color of them to dark grey so I can't ...
1
vote
1answer
1k views

Using firefox is ridiculously slow with users having home directory in NFS. Why? [closed]

We are using vnc viewer and firefox started being very very slow. Not just loading pages, but also clicking on tabs, opening or closing of tabs/browser, almost every action on firefox is slow. And ...
0
votes
1answer
2k views

How to get the package containing a file? [duplicate]

I just installed firefox but it display the following error : XPCOMGlueLoad error for file /usr/lib/firefox/libmozgtk.so: libwayland-efl.so.1: cannot open shared object file : no such file or ...
3
votes
2answers
115 views

Firefox opens *.bz2 in GIMP

Firefox tries to open downloaded *.bz2 archives in GIMP even though both xdg-open and nautilus open it with file-roller as intended. This only happens when clicking on the downward arrow next to the ...
3
votes
1answer
289 views

Why I can't find cookies from websites accessed via IP address on Firefox cookies.sqlite?

Regarding this question, I was setting some cookies on a PythonFlask app which is accessed directly via http://127.0.0.1:8000, and I realized that it seems that, after accessing the address above, no ...
3
votes
0answers
459 views

SEC_ERROR_UNKNOWN_ISSUER particular website

I am a relatively new user to linux (< 3 years) and am having this issue on a MacBook Air running Ubuntu Mate with Firefox. Fortunately the IT helpdesk at my university is incredibly helpful and ...
2
votes
0answers
27 views

Is there a OS-wide sound normalisation software compatible with Linux mint 18? [closed]

Well VLC have sound normalisation and that's cool but I like to have an OS-wide implementation of it, it is mostly for web browser videos but still... Or is there sound normalisation add-on for ...