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Questions tagged [firefox]

A free and open source web browser created by Mozilla.

Firefox logo

Firefox is cross-platform web-browser descended from the Mozilla Application Suite and managed by Mozilla Corporation.

It uses the open-source Gecko rendering engine and SpiderMonkey javascript engine.

Firefox runs on various operating systems including Microsoft Windows, Linux, Mac OS X, and FreeBSD. Its source code is tri-licensed under the GNU GPL, GNU LGPL, or Mozilla Public License.

http://en.wikipedia.org/wiki/Firefox

793 questions
36
votes
9 answers

How to make firefox read stdin?

echo '

hello, world

' | firefox cat index.html | firefox These commands don't work. If firefox can read stdin, I can send HTML to firefox via a pipe. Is it possible to make firefox read stdin?
kev
  • 966
13
votes
5 answers

Where does Firefox store its cookies on Linux?

Where does Firefox store cookies in Linux? I searched everywhere but did not find anything.
Nitesh B.
  • 563
7
votes
3 answers

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 easily read the text on them. So, how can I make…
wb9688
  • 739
7
votes
3 answers

How do I open external links in different profiles with Firefox?

I have two instances of firefox running under separate profiles: $ firefox -P default & ... $ firefox -no-remote -P second & Now I can open a new tab from the command line with: $ firefox -new-tab http://unix.stackexchange.com But how do I open a…
chris
  • 1,142
6
votes
2 answers

How to test TLS version intolerance?

After updating to Mozilla Firefox 38, we could see "Secure connection failed" message on a few HTTPS website. If we put the websites on exclude list with "security.tls.insecure_fallback_hosts" - then we can see that it can connect via TLSv1.2 (…
LoukiosValentine79
  • 1,499
5
votes
2 answers

Can we run firefox and Nightly simultaneously?

When I start nightly, new window of firefox is starts again, so I have to close firefox and start nightly, then if I open firefox Nightly's new window opens. What I am asking is can I run them both simultaneously?
pahnin
  • 621
5
votes
3 answers

Vimperator status bar empty

I have just installed Vimperator 3.8.2 on Firefox 32 (running Fedora 20). The status bar at the bottom of the window does not display any information in Normal mode , even though when I do :set status? I…
user4025526
  • 101
4
votes
0 answers

Error when opening downloads folder in Firefox

Every time I download anything and click on "open folder" in Firefox something else happens, instead of the required action a media player is open. I just uploaded this video so you can see for yourselves what I'm talking about. How can I…
Moltke
  • 41
4
votes
1 answer

Can I pass commands to Vimperator/Firefox through the command line?

For example, could I type something like firefox open this is a search where open is just passed to the vimperator command line?
George
  • 1,809
3
votes
2 answers

Firefox resets zoom-level

I upgraded Firefox to 75.0 (on Ubuntu 18.04), and since I upgraded, Firefox resets the zoom level on most sites. When I go to a new site I use CTRL++ to set the zoom level. For years Firefox has remembered this zoom level, so when I return to the…
Ole Tange
  • 35,514
3
votes
1 answer

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 such information regarding the SITE was stored in…
ivanleoncz
  • 537
3
votes
0 answers

Unable to close pages in Firefox after hiding the tab bar

In my style.css (which affects the look of Firefox) I hid the tab bar using display: none !important; which should only hide the tab bar. But now when I go to close tabs (using "d" in vimperator) I get this error : TypeError:…
user3742585
  • 51
2
votes
4 answers

Trying to close firefox but can't find the lock file

I get a message roughly like this: Firefox is already running, close it or restart I am on a network so don't have permissions to do anything with sudo and so cannot restart it so I went looking for the .lock file in .mozilla/firefox. All that is…
Magpie
  • 187
2
votes
0 answers

Firefox: Identify CPU hungry tabs

I run Firefox with many tabs open. After a while the process 'Web Content' eats up all CPU. top looks like: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 4781 tange 29 9 8887164 5.451g 711344 R…
Ole Tange
  • 35,514
2
votes
1 answer

My Firefox shortens names of the files I download

My Firefox automatically shortens the names of the files I download. For example, 231546798_20110608.pdf becomes 2315.pdf. I later realized that it may relate to the long name of the path into which I try to download the file. The path is…
Tim
  • 101,790
1
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