Questions tagged [firefox]

A free and open source web browser created by Mozilla.

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68 views

Bash: How can I check if a website has finished loading?

Problem I am trying to automate a task in my Firefox browser with xdotool. First, I open a new tab in my browser with: firefox -new-tab "www.domain.tld" Then (after the page www.domain.tld ...
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0answers
12 views

Firefox replacing images with bars

I'm not sure if this is Linux specific, but in Firefox images will sometimes render as bars instead. There does not appear to be a coherent pattern to when this happens, sometimes it will even happen ...
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1answer
14 views

Cannot open multiple instances of Firefox with xdg-open or kde-open5 in OpenSUSE due to “Firefox is already running” error

When I try from the command line $ kde-open5 http://unix.stackexchange.com/ $ xdg-open http://unix.stackexchange.com/ ... I get after a few seconds a dialog box on X11 telling me that Firefox is ...
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1answer
21 views

Use Tor Browser as Default alongside Firefox in GNOME

My system comes with Firefox as its browser and I have installed Tor Browser for my user. It took me a while to determine how to register Tor Browser as GNOME's default browser (Settings > Details &...
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21 views

Sound cracking when browser is open during playing media content

The sound cracking occurs when Firefox is open and I playing media content (music, video) from anywhere e.g: Firefox itself or any other installed application that can play media content. The sound ...
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2answers
87 views

Getting MP4 to play in Firefox in OpenSuse

I'm not sure since when, but MP4 videos are not playable anymore on Firefox. There's an error message in the Web-Console saying HTTP-Content-Type "video/mp4" is not supported. OS: OpenSuse ...
2
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1answer
30 views

Can I use /etc/hosts to whitelist domains?

I set up a little ubuntu box for my son for remote learning and I would like him to only access certain domains in the browser. I was thinking of doing a blanket etc/hosts but I would need to add ...
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0answers
9 views

How to prevent scroll when clicking left and right (in firefox)?

On a thinkpad t470p running xorg 7.7_3 under freeBSD 12.2 release p1. When I use the trackpoint and corresponding mouse buttons as well as touchpad, in e.g. firefox, clicks on the left button scroll ...
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1answer
14 views

Firefox save document window hides document

I apologize in advance this problem seems so strange to me that I can't even properly search for it... Quite often I have to save PDFs from the browser using the download option. This is all fine but ...
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1answer
124 views

Firefox taking 200+% CPU Usage

What is wrong with firefox (Web content)? Is this an issue? Is there a way to reduce it? This 'Web content' always pops-up when I start Firefox (I guess these are different tabs because I closed this ...
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1answer
80 views

Can't Install firefox in OpenBSD/sparc64

I just installed OpenBSD on a sparc64 based pc but when I try to do pkg_add -v firefox it says can't find firefox. I also tried installing nano, which installed fine, so why can't it find firefox.
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1answer
292 views

when starting browser using proxychains i m getting the error below, please anyone help me on this

root@kali:/home/fake# proxychains firefox www.duckduckgo.com [proxychains] config file found: /etc/proxychains.conf [proxychains] preloading /usr/lib/x86_64-linux-gnu/libproxychains.so.4 [proxychains] ...
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1answer
77 views

Why Firefox in Linux have a title bar by default?

In Windows and macOS, Firefox have its title bar hidden by default, but I am curious to know why Firefox have its title bar visible by default in Linux?
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0answers
60 views

Firefox and Xorg without Window Manager

I have been trying to get firefox to work with only X server. For the most part, things have run smoothly, until right now, at the end, I face two seemingly insurmountable obstacles: The dropdown ...
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1answer
68 views

Open Link from Bash in Existing Browser Tab

I'm generating markdown previews from the commandline (to a local file in /tmp) and would like to update the preview tab instead of creating a new one. Firefox has a new tab option but nothing on ...
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1answer
96 views

Error — KIO Client Could not connect to host … SSL negotiation failed

An alternate title might be: PlayOnLinux LOTRO install: Open Store In External Browser Fails This question concerns a Linux installation of Lord Of The Rings Online using Wine 5.2 in a PlayOnLinux ...
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36 views

Firefox 78: change bookmark bar color in userChrome.css

I have this in my userChrome.css: #main-window #PersonalToolbar { background-color: green !important; color: white !important; } After upgrade from Firefox 68.x to 78.3, this no longer has ...
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2answers
31 views

Oversized UI in Firefox (non-high DPI display)

When installing Firefox ESR on a fresh bare-bones Debian 10 net-install with the minimal components of Xfce, the UI appears somehow oversized (like it was a touch device, which is not the case). This ...
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29 views

Firefox Hamburger Menu And Other Toolbar Menus Not Opening On Click

Upon restarting Firefox, the hamburger menu (3-button-menu) as well as all the buttons on the toolbar no longer function. I cannot right click or left click on them. They do not open. Right clicking ...
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0answers
75 views

Is it possible to tell xdg-open (or alikes) to open a window in the background?

I am using xdg-open with cronjobs to open our time-management web-app once per hour to log my time (among other repeating things). This works very well, but has an annoying usability problem. Once ...
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18 views

“Open Containing Folder” in Firefox links to temporary file

When I click on "Open Containing Folder" in Downloads in Firefox, my file manager opens the temporary location of this file. "Open Containing Folder" seems to always direct me to ...
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26 views

How to launch specific programs on particular workspaces at i3 startup without assign?

My workspace 1 is named in the i3 config file as set $ws1 "1: Browser " I have set up execution of Firefox at startup and assigned it to ws1 in the config file as: # Startup appplication ...
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1answer
6 views

Firefox addons break when restoring a tab

Firefox is a memory and CPU hog. It would be great if you could tell Firefox only to give CPU to the active tab. But that does not seem possible. So I often run this to kill all running tabs (without ...
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1answer
11 views

X lock-ups with firefox running from docker

I need a separate browser instance that is configured to connect to a specific proxy that is used for accessing restricted network, but cannot be used for regular browsing, and also to keep the ...
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1answer
111 views

Firefox converts “Nr.” to “№” - how to fix?

I'm using Firefox 80.0.1 in Kubuntu and Xubuntu Focal with language set to German on OS level and FF itself. locale returns de_DE.UTF-8 for everything except LC_ALL (empty). Firefox converts the ...
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0answers
68 views

Are prints to files logged somewhere?

So, I had a little accident the other day. I printed a file from a website to a PDF (using the Firefox print-to-file functionality). Unfortunately, I forgot to change the filename of the destination ...
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18 views

Applications scramble for graphic card GPU (i915) and jam others

My laptop has NVIDIA optimus. Default graphic card is VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller Kernel modules: i915 When I run Firefox, SMPlayer (MPV ...
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1answer
92 views

install application/x-executable files in Debian

I've downloaded Mozilla Firefox for my Debian OS and it contains a application/x-executable file and i have no problem running it but i can't install it like a .deb file . how can i run it from the ...
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51 views

Firefox on openSUSE 15.1 and 15.2 does not load webpages if an internet connection was established after the browser was launched

On my notebook with openSUSE 15.1, Firefox (version 78.1) does not load new webpages if an internet connection was established after launching the browser. If I launch the browser before creating an ...
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1answer
54 views

Why is there a process started by systemd when the service is masked?

The OS is Pop!OS 20.04, a close derivative of Ubuntu (but I was told to post the question here). I don't think my question is pop or ubuntu specific. I have masked these two services, and rebooted. ...
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2answers
391 views

Why doesn't “pgrep firefox” work on Ubuntu 20.04

As the title suggests, the following command on Ubuntu 20.04: pgrep firefox ... returns no results. Meanwhile, the following command: ps aux |grep firefox ... returns 6 results, 5 of which should ...
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2answers
279 views

firefox no longer opens local files

I used to do firefox index.html for a quick and dirty way to build simple html files locally. Now, when I do it, the url looks right: file:///home/me/path/to/index.html but it doesn't load. The ...
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7 views

Set preferences in the order fonts are selected in Firefox

I installed ttf-mscorefonts on my system. That made Firefox to select those fonts for several sites (including this). I really liked my set of fonts for the web and I want to keep it that way. Short ...
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18 views

WebRTC in saved webpage

I set a fake http proxy to Firefox to ensure the saved webpage is unable to connect to the internet, but is it able to create a WebRTC connection that can also connect to the internet? How to check ...
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0answers
15 views

How to make Firefox involve gtk settings at xdg-open action?

My xreader.dekstop file: #!/usr/bin/env xdg-open [Desktop Entry] Version=1.0 Type=Application Terminal=false Exec=xreader Name=xreader Comment=comment Icon=/usr/share/icons/Adwaita/32x32/apps/...
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1answer
233 views

How can I trigger Firefox memory cleanup from the terminal?

Does anyone know how to initiate the garbage collection and memory reduction in Firefox (about:memory > Free memory > GC/CC/Minimize memory usage) from the terminal? This browser is using way to ...
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0answers
70 views

Chromium recognizes headset mic only when pulseaudio is uninstalled

Running Debian Buster XFCE on Asus ImagineBook. Installed 4 days ago. Neither Firefox or Chromium recognises the plugged-in Headset Microphone. Pulse Audio sees it and hears it (I checked). I read ...
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37 views

What's Causing High CPU Use On GMail?

I've seen this on Opera, Vivaldi and Firefox. When a open a gmail page the cpu goes up and keeps there around 2min/3min. If I open my two email pages then it goes crazy... some time ago I left as ...
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193 views

Excessive Firefox CPU and RAM usage (+ choppy audio)?

I'm trying to use both Firefox Quantum 68.10.0 ESR 64-bit and TOR browser 9.5.1 (= based on said Firefox 68.10.0 ESR) on a Linux Mint Debian Edition 4 machine. What's with the resources squander of ...
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1answer
27 views

Open txt file with GVim from webpage link

I have a local web page with links to .txt files; I want Firefox to open the files with GVim, not in the browser window. How do I do this? In Firefox "Options" → "General" → "...
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1answer
34 views

How to prioritize firefox shortcuts over xfce key shortcuts

I would like to use the Firefox shortcuts for e.g. swap between tabs. But when I use CTRL+SHIFT+Pageup, then xfce will change window size. Is there any way to change the priority of shortcuts, so that ...
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60 views

debian 10 microphone not working on browser

In browsers like firefox, chromium, etc microphone not working, but in the conference app like zoom microphone works well, what to do to fix it?
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1answer
187 views

Prevent Firefox from stealing focus from i3 autostart config

I tried i3 no_focus and focus but it's not working for Firefox only. My i3 config: exec i3-msg workspace 1 no_focus [class="Firefox"] exec --no-startup-id i3-msg 'workspace 1; exec /usr/bin/...
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1answer
46 views

Can't click button of firefox when I run it within firejail + xephyr

I run firefox with the following command: firejail --x11=xephy firefox The command usually opens a firefox window (800x600) that fills the xephyr window (800x600). In this case, the following ...
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0answers
142 views

How to blacklist PulseAudio channels for Firefox (namely, Monitor of HDMI Output)?

When I try to do video chatting in Firefox (using Jitsi Meet) it apparently selects the first available Input Source as my microphone which is always invalid. The one selected is "Monitor of HDMI ...
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2answers
42 views

how to redirect a pending firefox download to a named pipe?

My router provides a live capture in an fancy web interface full of authentication and JS stuff. So if I capture the traffic firefox download a pcap file til I stop the job. I want to be able to see ...
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2answers
34 views

How can I scan/test/explore if my Firefox (profile) has been infected?

I use Debian and because of that the version in the reps is outdated, so I have Firefox Quantum that is fully unpacked in a folder where my non-root user has all permissions to read, write and execute....
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0answers
11 views

Firefox and Office Writer cut top margin; test page correct

Background: moving to a new LAN, ended up deleting and re-installing the network printer config, HP Deskjet 2630. This is xfce (Mint 19.1, or Xubuntu 18.04 if you prefer). Since then, when printing ...
2
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1answer
111 views

Rebinding/unbinding Ctrl-w on Firefox or Chromium

Is there a way to prevent Firefox or Chromium from capturing Ctrl+W and close the current tab? I want to pass the keypress on to the javascript application. I am asking because, as a user on Firefox ...
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0answers
16 views

Fonts of languages other than english not visible in firefox installed via snap

I am on Debian 10 (Buster) To get the latest version of firefox, I've installed it via snap. I am not able to read any language other than english. I have installed fonts-indic from debian ...

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