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Anyone succeed with running Firefox in headless mode under Ubuntu?

I tried:

firefox --headless --safe-mode -P headless https://quan.hoabinh.vn

but got this error:

[12545] Sandbox: CanCreateUserNamespace() unshare(CLONE_NEWPID): EPERM

• • • You are running in headless mode.

[GFX1-]: RenderCompositorSWGL failed mapping default framebuffer, no dt

I installed Firefox as from "https://packages.mozilla.org/apt" repo.

ich kann Firefox nich in deutsch wiedergeben. Bei der Sprachauswahl geht immer alles auf Englich zurück. Das Problem besteht seit der Ubuntu-Version 18.04.6.was kann ich tun?

I was a satisfied user of the Thunderbird e-mail client. I especially enjoyed the ability to toggle into darkmode when browsing and reading my e-mail. The previous toggle I used to activate that feature is missing, and I cannot locate a work around to turn it back on. Any assistance would be greatly appreciated. Thanks

TB suddenly moves messages from inbox to trash automatically without any interaction. Search through the forrum shows that it has been asked for already, see https://support.mozilla.org/en-US/questions/1588804, similar postings can also be found with you search engine.

As described in other postings, the messages are moved from Inbox to trash. When moving them back manually from trash to inbox, they are moved to trash again immediately.

• it happens for the default account only,
• there're no filters at all in TB,
• junk detection is disabled,
• Settings->General Storage is all disabled,
• (account)->Settings->Server Settings has checked "move deleted messages to trash",
• (account)->Settings->Storage is all disabled,
• Inbox->Properties "Repair folder" does not help,
• Inbox->Properties "rules is set to "use account settings" (and greyd out "do not delete messages"),
• exactly same behaviour when starting TB in save mode,
• manually deleting all *.msf files (for inbox) does not help,
• manually deleting xulstore.json does not help,

Additional notes, which are not related to the problem, IMHO:

• IMAP on port 993,
• no other clients anywhere are connected to that account,
• TB configured for more than 10 accounts, more than 500 folders and sub-folders,
• host with > 16GB RAM, TB uses 3GB virt,
• problem observerd in older TB also, at least 13x.x

I'd be happy to debug/trace the problem if someone can give me detailled insructions how to start TB with debugging. Please feel free to ask for about:config settings as they are non-ambiguous and language independent ;-)

Thanks.

When I frequently turn off my computer using the system unit's power button, meaning a quick shutdown, after several such shutdowns, when I launch the browser, I'm prompted to log in again. Bookmarks that weren't synced disappear. And I'm also logged out of all the websites I was logged into, forcing me to log in again. Cachyos Linux.

Hi, when in tracking protection settings, the difference between major and minor page corrections checkbox choices isn't explained. A referral url info button would help alleviate. Wish I could help the project, but I'm 72 & have been fighting m$ retribution as an involuntary uefi tester for an alleged dmca violation 20 years ago. Yes, they do maintain blacklists for their own internal justice system, which I discovered using self-taught low level Linux forensics to find the bootkit methods they locked into my bios. No one wants to touch that live wire and it's now SOP industry standard.

Not sure where to post a feature request, but I use a scheduling app (Playtime Scheduler) that consistently offers ics files with an empty LAST-MODIFIED field. So I have to manually edit the ics file every time before it can import into my calendar.

Would it be hard to make Thunderbird ignore an empty field like that and import anyway?

Hello. I remember, long ago, there was an extension, that kept the search engines sorted alphabetically (I had a lot of them), now I can't remember the name of the extension, not I can find an extension that does this.

Can it be done natively? Thanks.

Hello,

It seems that Firefox has lost the ability to clear cookies on exit without also clearing history. This affects the current version, 153, but I started observing it a few versions back, maybe around 148.

In Settings -> Privacy and Security, if I select "Clear cookies and site data every time you close Firefox", this automatically enables "Clear history when Firefox closes". If I unselect the latter, the former also becomes unselected.

I would like to clear site cookies and data whenever I close Firefox, but not browsing history. I'm sure this used to be possible in the past. Is it an intended change that this is no longer possible, or is it a mistake?

Thank you.