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Questions tagged [firefox]

A free and open source web browser created by Mozilla.

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When i open firefox on kali linux, my computer freezes and i have to force restart [duplicate]

I went in /root/.mozilla and renamed firefox to firefox.old And that worked, but only once, after that every time i open firefox my computer freezes and i have to force restart, but everything else is ...
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25 views

How to disable audio sink notifications from Firefox on Cinnamon?

Using Firefox 64 with Cinnamon (4.0.8) on Arch Linux. Since upgrading to Firefox 62, I'm getting a system notification saying "input AudioIPC Server x%" whenever I start or stop playing media in ...
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29 views

How to use the system spell checker dictionary in Firefox?

I want to maintain one good dictionary system wide. Unfortunately there are many applications which use their own Hunspell dictionary. Finally it depends on the application and its outdated ...
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1answer
31 views

Firejailed Thunderbird, opening attachments

I am running both Firefox and Thunderbird in firejail, on Linux Mint 19.1. By coincidence, two people recently sent me emails with attached PDFs, but they were handled differently. The emails came ...
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15 views

github is not reachable from Chromium but is reachable from Firefox

I run on OpenSuse with Chromium Version 70.0.3538.110 (openSUSE Build) (64-bit) and Firefox Quantum 63.0.3 (64-bit). I am not under any proxy or VPN. When I type GitHub address in the chromium it says ...
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0answers
26 views

Clean way to run proper file manager from Firefox on Linux

As many of mans known, currently solution with defaults.conf and mimetypes.cache does not work. Firefox currently uses D-bus to activate service org.freedesktop.FileManager1 to handle "Open ...
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11 views

Logging of uploaded files in firefox

Does firefox log which files have been uploaded via a webinterface, and if yes, how can I access that log?
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14 views

Cairos's configure output: Is it enough for Firefox?

I intend to compile Firefox from the source. For that, I do need to compile GTK. And for that, I do need to compile Cairo. After solving some of Cairo's dependencies, I was able to run the configure ...
6
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1answer
141 views

How to give each Firefox profile its own application icon in Plasma

I'm running KDE on Arch Linux. I have the following two .desktop files. [Desktop Entry] Comment=First Profile Exec=firefox --no-remote -P First %u GenericName=Firefox First Profile Icon=/path/to/...
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1answer
58 views

Monitoring CPU% of Tabs in Firefox

Sometimes, when I have numerous tabs open in Firefox, one of those tabs will start consuming a lot of CPU%, and I want to know which tab is the culprit. Doing this is a very manual process for which I'...
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1answer
61 views

Do the Firefox children processes correspond to number of tabs?

I am running Firefox Quantum 63.0.3 (32-bit) on Ubuntu. In output of htop command (sorted by Command name) I see the following I see 6 children process below the original firefox process. What do ...
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1answer
37 views

Developing Mozilla Firefox for Linux on Windows

I would like to make some contribution to Mozilla Firefox (with the little C++ I know). Can I build, run and debug Firefox for Linux using WSL (Windows Subsystem for Linux) ? If yes, should I install ...
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1answer
30 views

firefox-locale-en not removed after apt purge firefox

I've just installed Linux Mint (Tara) on an old laptop. One of the first things I've done is removing Firefox using sudo apt purge firefox and installing Chromium. Now, after doing sudo apt ...
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1answer
61 views

Broken fonts after upgrading Firefox ESR to latest Firefox

I'm facing font issue after updating Firefox ESR to latest Firefox on Debian Stretch. Following top voted comment on this Reddit question I set up unstable repository, removed firefox-esr and ...
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0answers
14 views

How to enable cookies for specific site in Firefox using command line?

I have application embedded in Firefox and it is installed on Linux(Fedora) machine. We have disabled cookies and other user controls (Right click, menu access etc.) Now there is one site which ...
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2answers
43 views

Exclude chrome/firefox from top command output

How can I exclude Chrome/Firefox processes from top command output? It's just too messy with them in there, and it isn't important for me to see them there.
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0answers
9 views

AppArmor prevent program from reading dirs/files I haven't explicitly allowed?

I don't want programs to be able to read my whole home directory. For example, I'd like to have firefox's read ability restricted to: owner @{HOME}/Downloads/ r, owner @{HOME}/Downloads/** rwk, owner ...
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1answer
32 views

AppArmor “Multiple definitions for hat sanitized_helper” Error Running Firefox Profile in Enforce Mode

I've made myself an AA profile and am trying to run in enforce mode: aa-enforce /usr/bin/firefox is giving me ERROR: Multiple definitions for hat sanitized_helper in profile (null) exist,bailing ...
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2answers
33 views

How to add a new profile entry to Firefox's profiles.ini using a script?

Firefox uses a text file named ~/.mozilla/firefox/profiles.ini to hold a list of profiles. The entries look similar to this: [Profile0] Name=default IsRelative=1 Path=default Default=1 ... [...
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29 views

Can I tell my terminal emulator to push URLs to private mode?

I'm using neomutt as my mail client, in Gnome Terminal 3.28.2 on Ubuntu 18.04. I'd like to open inline URLs in a Firefox Private Window by default -- right now they open a new tab in an existing, non-...
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0answers
31 views

Horizontal scrolling in Firefox?

In Windows, holding shift while using the mouse scroll wheel allows scrolling sideways in Firefox. Firefox in Linux however behaves like Microsoft Edge does on Windows: It goes back to the previous ...
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1answer
23 views

Firefox curly quotes broken in Helvetica, but not most other fonts and not in other apps?

In Firefox only (LibreOffice and Chromium work fine), and starting fairly recently, I've noticed Helvetica is rendering weirdly. Curly quotes are broken, but straight ones are not. Some further ...
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2answers
143 views

How to update Firefox offline to a specific version on Centos 6.9

I'm trying to install a specific version of Firefox (52.8) on Centos 6.9. I've used "yumdownload --resolve firefox...x86_64". It created a folder the firefox rpm as well as 5 or six other dependencies....
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23 views

noscript option for site reload

I want to change options in noscript add-on to firefox. Help page (https://noscript.net/screenshots) shows lots of options, but I do not see them on my Linux. This page (A guide to using NoScript 10....
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1answer
116 views

Problem with Wpad file in Mozilla Firefox

I have this wpad.pac function FindProxyForURL(url, host) { if (isPlainHostName(host) || shExpMatch(host, "*.local") || isInNet(dnsResolve(host), "192.168.0.0", "255.255.255.0") || isInNet(...
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1answer
81 views

Firefox and NFS shared from Debian 9 Stretch

Having problems migrating home directories from old server in Debian 8 jessie to new one with Debian 9 stretch home directories are shared over nfs to several workstations. This has worked well for ...
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48 views

How can I install an old version of Firefox?

I'm running Debian and I would like to run older versions of Firefox for testing purposes. Until recently, I had two versions, the updated Debian version, run normally, and installed through apt ...
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1answer
618 views

apt package manager on Debian lists a package as upgradable but does not upgrade

This issue is similar to Debian Linux not updating package, but in my case the newer package is not from backports: § apt list --upgradable Listing... Done firefox-esr-l10n-en-gb/stable 60.2.0esr-1~...
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1answer
93 views

Removing fonts from fontconfig <match> results

I'd like to remove a few fonts from the fontconfig match results for firefox. I know there's <rejectfont>, but it removes the font completely and for everyone, like it doesn't exist in the ...
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2answers
509 views

Debian 9 (Stretch): Firefox Quantum is now in Stable, where can I get my Add-ons back?

Recently Firefox Quantum has moved into Debian Stable (= Stretch). When updating my system via apt-get upgrade the old Firefox-ESR has been replaced with the new one. Now all my previously working ...
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0answers
48 views

xdg-open launches both hexchat and firefox

I recently noticed that when I click an irc:// link in my browser (Chromium), it launches HexChat, and when I close HexChat, it will launch Firefox. Suspicious that it might be something wrong with ...
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0answers
100 views

Decompress firefox 57+ opened tabs file on Linux from the command line : Error 44 : Unrecognized header : file cannot be decoded

I need to decompress firefox 57+ opened tabs file. I use unlz4 from the Ubuntu package liblz4-tool : $ cp .mozilla/firefox/t6bznle5.default/sessionstore-backups/recovery.jsonlz4 ~/recovery.lz4 $ ...
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0answers
437 views

Establishing A CentOS 7 Kiosk System Without 3rd Party Tools or Add-ons [closed]

Is there any way to create a Firefox Kiosk which runs CentOS7.5 Minimal without downloading extra tools, 3rd party programs or Firefox Add-ons? I'm trying to create a Kiosk which runs CentOS7.5 ...
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0answers
10 views

Thunderbird not willing to start firefox when binary replaced with symlink

I've been using the Debian "alternatives" mechanism to support multiple installed versions of Firefox. Regardless of the specifics, the bottom line is that instead of /usr/bin/firefox being a binary, ...
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1answer
463 views

How to make Firefox auto launch at startup in fullscreen on Linux Ubuntu?

Firefox Ready Objective I want my ubuntu to start and show a Duck Duck Go in fullscreen. Motivation The first thing that I do on my PC is launch the Firefox and do stuff. For other stuff I hit the ...
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1answer
40 views

Looking at htop, I see a process associated with a tab in firefox that isn't open. What gives?

Earlier today I was ordering a yard sign for a local politician, via their website, through Firefox. Just now I was doing some work in R, and checking htop to make sure I wasn't going to make my ...
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1answer
80 views

How can I run Firefox on an FSDG distribution?

I am running a distribution that meets the GNU Free System Distribution Guidelines. This means that Mozilla Firefox is not available, because it is non-free software. I need to run the latest version ...
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2answers
49 views

Use Firefox for downloading page (in a password protected site) every 15 minutes

I'm logged into a web-site using Firefox (passwords are stored in the password manager). I wish to be able to download a page (not accessible without been logged) every 15 minutes to track certain ...
2
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1answer
48 views

web browsers zoom in by default in Ubuntu 14.04.5 LTS

I'm experiencing a weird behavior where both Chromium(version 61.0) and Firefox(version 54.0) seem to zoom in by default while other applications do not. For example, here I have the same png image ...
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1answer
200 views

Debian : Unable to start Firefox : libXcomposite.so.1: cannot open shared object file: No such file or directory

I am installing Firefox version 36.0 on Debian 9.3 Initially I install the following 3 packages: - xvfb - libdbus-glib-1-2 - imagemagick I then downloaded the deb file firefox-mozilla-build_36.0-...
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1answer
227 views

Dependencies error in Debian 9 Stretch

I'm trying to install Firefox Quantum by following what suggested by the user @cas in this question. Everything goes right till I try to install Firefox by running in the terminal: $ apt install -t ...
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0answers
470 views

Codecs support disabled in Firefox

In Firefox 61, under Tumbleweed I cant play videos from youtube, when checking for the html5, it says: So I have been playing with the about:config and about:buildconfig but the mp4, h264, etc ...
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2answers
48 views

An `/etc/network/if-up.d` script runs, but doesn't launch GUI apps (e.g. firefox-esr)

I need to start firefox-esr once the network is available. Here's what I've got: sudo tee "/etc/network/if-up.d/upif" > /dev/null << EOFBOOT #!/bin/bash DISPLAY=":0" if [[ "\$IFACE" = "eth0"...
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1answer
38 views

Firefox stuck on version 58 after running apt install

When I run apt update apt get install firefox then apt-cache policy firefox produces Installed: 61.0.1+linuxmint1+rosa However if I start it with firefox in the terminal or in the start menu, ...
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1answer
100 views

Firefox misspelling all words since version 61

On my Debian 9 with Firefox 61 every word is marked as misspelled, except numbers (right now, currently as I'm typing). Things I've tried: Remove en-US dictionary and return it (Had to hard delete ...
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1answer
1k views

How to fix Fontconfig error: failed reading config file

On Debian testing, whenever I run a browser from the terminal, I get four lines of the following error: Fontconfig error: failed reading config file This doesn't seem to cause any problems in any ...
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1answer
105 views

Firefox '3 bar' menu not opening

I'm running Linux Mint KDE and have been having an issue with Firefox lately. When I attempt to open the the Firefox menu (the one on the right with 3 bars), clicking has no effect. Pressing alt ...
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1answer
29 views

Start different versions of Firefox from xfce4 main menu or panel item

I'm using firefox version 61.0 on Centos 7 with xfce4. But I also need to use citrix reciever in firefox and this only works until firefox version 52. Therefor I have installed firefox version 52 with ...
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0answers
74 views

Ubuntu vm under proxy: browser is not able to resolve dns

I don't quite figure out why I'm not able to get dns lookpu resolution into my browser (firefox) inside my ubuntu virtual machine. apt-get, git, maven, gradle and other tools are configured in order ...
2
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1answer
621 views

Firefox Quantum on Debian stretch font rendering problems

I install firefox «Quantum» 60.0.2 (64bits) on Debian GNU/Linux Stretch via snap, follow this and I have big font rendering problems with this version of Firefox. a screen cap of Jupyter Notebook ...