Questions tagged [firefox]

A free and open source web browser created by Mozilla.

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Firefox on Sway starts floating when opening library catalogs websites

I have the problem since I installed sway at least two years ago that firefox windows start floating when opening some specific websites. Strangely they seem to be library catalogs websites ...
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Unable to run old versions of Firefox (<96.0) on Ubuntu 22.04 ("Channel error: cannot send/recv")

I need to use an older version of Firefox for some websites. Any version before 96.0 or so (95.0, 87.0, 79.0, standalone, packaged) gives the error below, and all tabs start up crashed. ###!!! [...
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2 votes
1 answer
907 views

$ firefox /usr/lib/firefox/firefox: /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.30' not found (required by /usr/lib/firefox/firefox)

Getting error on Manjaro after upgrading firefox: $ firefox /usr/lib/firefox/firefox: /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.30' not found (required by /usr/lib/firefox/firefox) $ sudo pacman ...
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fedora 36 encrypted drive password prompt

when i open firefox I get prompted for a password. I have tried looking it up and cant find any answers or similar problems.
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Permission Denied When Opening Local Files in Web Browsers

I've run into a bit of a weird issue: If I try to open a file-local .html file inside of a directory starting with a dot (.) the browser claims that it does not have permission to view it, e.g.: mkdir ...
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1 answer
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A basic Bash script (to start a GUI program) works partially in cron

I use this script to restart Firefox overnight (to apply the package manager and addon updates): #!/bin/bash killall -s SIGTERM firefox; sleep 15 firefox -P "user" & firefox -P "...
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Change default browser screen font size

Running Fedora 34, Xfce desktop. When I run Firefox, the screen is always too small and I find that I'm constantly hitting the Ctrl+ combination to set the screen size to 133% of the default so that I ...
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Problem with shortcuts in KDE

I'm facing something weird since yesterday after I manipulated some shortcuts in Manjaro custom shortcuts. Now when I use Ctrl + LeftArrow in Firefox, it navigates me to previous active tab in ...
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2 votes
1 answer
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Firefox is already running ... error, but only from MS Teams

Whenever I click an HTTP(S) link in my desktop Teams client it hangs for about 5 seconds, then I get an error saying: "Firefox is already running, but is not responding. To use Firefox, you must ...
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19 views

How to open 'About Mozilla Firefox' (update) window with one command

For some reason I have ended up using the 'local' (portable) version of Firefox, and it can check for updates from its dedicated window (Help - About...). Can that window be opened with one command?
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I cannot install anything after locking Firefox to avoid installation of snap version in Kubuntu 22.04

I cannot post on the askubuntu stackexchange because 22.04 is still development branch. My problems are: Snap Firefox in that system has some bugs or buggy features (cannot be pinned to panel task ...
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Does GoToMeeting web client work on Ubuntu Firefox?

Today I tried to use the GoToMeeting web client on Firefox under Ubuntu 18.04. On the initial login page my camera worked, but when I entered the meeting, the controls on the client were completely ...
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35 views

How to limit web usage with nftables?

Between certain times, I would like to limit the amount of internet browsing I can do to force myself to focus (something like visiting ~3 sites per minute). This is what I came up with: table inet ...
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firefox: Does firefox store state information for active private browsing session in some file?

I know about the usual <profiledir>/sessionstore-backups/ files which contain state information organized into different files based roughly on recency. However, the recovery.jsonlz4 file doesn'...
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1 answer
226 views

Puppeteer in alpine docker with chromium headless dosent seems to work

I'm trying to use pageres in my bash script for grabbing screenshot in heruko. But running pageres with alpine:latest throws error with puppeteer. at onClose (/usr/local/lib/node_modules/pageres-cli/...
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-4 votes
2 answers
388 views

I'm unable to install Firefox in WSL [closed]

$ sudo apt install firefox Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package firefox
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4 votes
1 answer
208 views

How can I determine which browser tab is the most network intensive?

top not only shows 'firefox' but also its individual tabs, each identified as 'Isolated Web Co'. So it is possible to find which tab is hogging the processor and kill it with kill <PID>. Is ...
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Firefox starts most websites in dark mode

I have my system (KDE) configured in dark mode as I like these themes, but I don't know why, firefox opens most websites in dark mode (I don't even know how the website knows that I am using a system-...
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1 vote
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22 views

How are Firefox and other long lived sockets terminated when I lock my session?

When I lock my session on xfce, Firefox and apps that rely on socket connections get their connections terminated. I find such behavior bizarre. I haven't been able to figure out why it happens or how ...
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2 votes
2 answers
107 views

killall firefox does not kill firefox

When I had loads of firefox windows open and wanted to close them quickly I did killall firefox using killall from the psmisc package in Ubuntu. Nothing happened. I looked in the list of my processes ...
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3 answers
2k views

Unable to play videos in browsers on Fedora 35

I upgraded from Fedora 32 to Fedora 35 in last December. Lately I have found out that I am unable to play any videos on web browsers. The video loads but never starts. It's stuck at 00:00. If I move ...
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How to Enable chrome-gnome-shell on Ubuntu

This is an issue that has been brought up on other threads, but none of the answers seem to be working for me. I just installed Ubuntu 21.10 on my machine and am trying to configure my desktop. I ...
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1 vote
1 answer
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Firefox dies after a few days of use: CPU limit

My Firefox is dying om me every few days. It says: CPU time limit exceeded (core dumped) Is there a way I can remove or at least raise this limit? ###!!! [Parent][RunMessage] Error: Channel closing: ...
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Set firefox developer edition as the default browser in VS Code on Linux

I have installed firefox developer edition on my MX-Linux. When I tried to configure the live server of VS Code to run it as default, I failed. I followed this link to set up, but ultimately it is not ...
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1 answer
212 views

Always run Firefox ESR in Wayland instead of X.org on Debian

When using the latest stable desktop environment, to enable features like screen share inside of video conference programs, and for stability, Wayland seems to work better than the ancient X.org. I ...
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0 votes
1 answer
48 views

Disable CGI script buffering for web browsers

I have a tiny CGI script written in Perl which prints numbers from 1 to 10 with 1 second interval: root@debian-s-1vcpu-1gb-fra1-01:~# cat /usr/lib/cgi-bin/test #!/usr/bin/perl use strict; local $|=1; ...
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Decision making in selection of appropriate target for Systemd user service that requires desktop environment to be loaded

This question is not duplicate of startup - Systemd run script after GUI is ready? - Unix & Linux Stack Exchange as this is concerned with the informed selection of the right target, while the Url ...
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0 votes
1 answer
89 views

How can I use a terminal within a Firefox tab?

I love the Tree Style Tab extension for organizing tabs in Firefox. In fact, I would like to use it to organize my open terminal windows too! I don't want to launch a terminal window from within ...
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24 views

How to identify one of several Firefox installations (location) by id from `~/.mozilla/firefox/installs.ini`?

I'm writing scripts and see that ~/.mozilla/firefox/installs.ini now as I've downloaded and started another version of Firefox contains two sections with ids, same ids in profiles.ini - as I ...
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41 views

"font-family: Emoji" screws up font spacing

I was using apple music on linux for the first time, and I realized the font looked horrible and the text was way too spaced out. Here's what it should look like: It should look like this but for ...
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1 answer
480 views

Arch linux: find missing fonts and installing them

I use firefox in i3wm on arch linux and I often find pages with broken fonts. It looks like this: How can I find which font am I missing and how to install them ? Thank you for help
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2 votes
1 answer
41 views

Linux setting of the program that opens a file clicked in Firefox downloads list?

Asking this question I thought I knew what this was about. That question was asking how to prevent Firefox from making files listed in its downloads list be opened with wrong programs. I still want to ...
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1 vote
1 answer
92 views

Why is the Firefox option to open downloaded files using wrong programs and how to prevent this?

I am posting this here because it only happens in Linux. I think I have first seen this when I have started using Linux, almost 10 years now. I was already fond of Firefox and still am. I want to keep ...
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  • 968
0 votes
1 answer
21 views

How to run web-ext with Firefox DE under linux?

web-ext is a command line tool designed to speed up various parts of the browser extension development process. When I try web-ext run -t firefox-desktop, I got the following error: Running web ...
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1 vote
1 answer
122 views

In Fedora + KDE Plasma Firefox sometimes ignores change of keyboard layout

I'm using Fedora 35. It was the main version (Gnome), but then I installed KDE pleasma using sudo dnf install @kde-desktop. I have two keyboards English and Persian. Sometimes Firefox ignores the ...
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2 votes
0 answers
170 views

How do I permanently set bluetooth device as default in pipewire

I am running latest Pipewire and I have a Bluetooth headset connected to it. What I'd like to achieve is that when I turn on my headset, all applications in the laptop start using the microphone ...
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-2 votes
3 answers
61 views

Open URL in new window in Firefox and not in tab

How do I make Firefox open a URL in a new Window and not in a tab by default? In Thunderbird, when I click, I get the URL opened in a tab. I would like to have a new window spawned. The specific ...
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0 votes
1 answer
34 views

Using a builtin GUI in openSUSE

I want to browse the internet with firefox and found that there was no DISPLAY environment variable and I also had the following message : You did not install any X-Server (e.g. Xorg)! Please install ...
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0 votes
0 answers
41 views

Ubuntu Firefox snap leaves .xdp temp files when saving download to Virtualbox NTFS shared directory

I have Ubuntu Mate 20.04 running in a Virtualbox VM on Windows 10. I have the snap version of Firefox 94.0.1 running in the VM. If I download a file in Firefox to my home directory on the ext4 file ...
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43 views

Problem with screen share in firefox

When I want to share a specific window with firefox, all windows don't list in the window selection window that firefox shows. I can only select my firefox windows' first tabs for share and if - for ...
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2 votes
0 answers
72 views

Firefox seems to need “catchup time” after unlocking screen (using light-locker/lightdm)

(Possibly related to After unlocking light-locker, screen remains blank proportional to how long it's been locked) I’ve recently switched from xscreensaver to light-locker because of an annoying ...
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1 vote
0 answers
90 views

Why don't browsers respect LC_TIME?

I'm using en_US for system language, but pl_PL for date format. It works OK in the entire system, and running date gives me a correctly formatted date. It also shows Polish as Time format in the GUI ...
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  • 111
0 votes
0 answers
19 views

(Arch/Endeavor) Sound stops for everything but one browser tab

After a system update, sound will (sometimes) stop working for everything other than a single firefox tab. Other tabs/programs won't be able to play sound, even if the offending tab is currently ...
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1 vote
0 answers
832 views

Debian 11 freezes with Firefox

I am new to Linux currently studying Computer Engineering and we were told we needed to install a Linux distro in our machines, I decided to install Debian 11. I've been able to resolve most problems ...
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100 views

firefox disappears from playerctl

OS is Debian 10. Firefox version is latest in repos, 78.13.0esr. Trying to use playerctl with bluetooth buttons to control playback in firefox. Everything is working fine, I'm away from my desk, ...
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1 vote
0 answers
215 views

Firefox slow + graphics issues

I recently switched from Windows to Linux (Pop!_OS). Although I'm very pleased with Pop!_OS there are a few problems that I couldn't fix yet: Google Maps/Earth is very slow on Firefox. On Maps you don'...
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0 votes
1 answer
271 views

sudo apt update sudo apt upgrade updated all but firefox

Looking at "similar questions", I did not find my issue. When running sudo apt update and sudo apt upgrade, it updated all BUT Firefox. Any suggestions/corrections? I originally installed ...
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0 votes
0 answers
99 views

Firefox migrate from esr to stable

we're on Debian and I would like to migrate our users from Firefox ESR to Firefox Stable. Since pulling it from debian experimental would require too many pakages to be updated to a point things could ...
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0 votes
0 answers
52 views

Browser downloads fail - Insufficient space in /tmp

I have a virtual machine (CentOS) that was pre-configured (I didn't partition them) and I have some of my work on it. When I got access to the VM, it had very less storage space, and it isn't ...
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2 votes
2 answers
3k views

How to switch to system wide dark theme in i3 or sway?

On gnome, gsettings set org.gnome.desktop.interface gtk-theme 'Adwaita-dark' can set dark theme system-wide. However, the same doesn't happen with a sway session. Firefox browser still detects light ...
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