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Would it not be sufficient to use the flatpak version of Thunderbird and set restrictive permissions with flatseal?

For the performance issue:

1) How have you installed Thunderbird and...

What purpose do you have in mind for this level of isolation?

Can you just use Thunderbird via the VM's own screen?

What do you have listed in Panel Preferences > Items?

The Ubuntu Forums Code of Conduct says


Knowing this rule exists, I was shocked to find a totally irrelevant AI-generated "answer" on a thread I started recently, especially coming from a member...

Have you tried disabling hardware acceleration in Firefox?

Would qmv (from renameutils package) help here? Especially if your list of desired filenames is in the same order that qmv displays the original filenames?

Two years ago, I reported here that Thunar right-click+drag > "Extract Here" option had gone missing. Now, I needed to compile Thunar 4.19.2 for Xubuntu 22.04, and saw that issue still exists there,...

You're welcome. :KS



For what it's worth, to clarify, that .9 is related to how many times gcc had been updated specifically for Ubuntu 16.04 at that point. It has nothing to do with the...

Yes, it is OK, if you install the System76 Driver in your new Kubuntu installation.

Also see this related thread.

Nice find, thank you 1fallen :KS Their summarizing various distros' responses was helpful and led to an answer: Following from there, the distros that resolved this by reverting to an older xz...

Thanks 1fallen for posting this.

Unfortunately my Arch Linux server VM picked up the compromised xz 5.6.0 during a big migration. Although this is a local testing server only accessible by the VM...

What "old Xenial" did you install? It looks like gcc-5 version 5.4.0-6ubuntu1~16.04.9 should be included in the Ubuntu 16.04.4 ISO from here

ClamAV is not the way to check whether a Linux system is compromised, especially if ClamAV is installed on the system you're scanning. That's a recipe for a false sense of security.

See this post...

I should have explained why I suggested trying it "as a test":


If graphics works, and Pop!_OS 22.04 meets OP's needs, it is the easiest way to get 6.8 kernel with a 22.04 base on non-System76...

Does it work to instead put that command at the end of .bashrc?

So as a test, does Pop!_OS 22.04 work? It is based on Ubuntu 22.04, currently uses 6.8 kernel, and has a Nvidia-specific ISO image.

Have you looked into Mullvad Browser, which is based on Firefox ESR and designed to limit fingerprinting?

Thanks again to all for the help and info! :KS Think this is finally good to go.

To summarize the solution:



Using the libvirt NAT network type worked after installing iptables-nft (from...

Although less than ideal, I decided to live with a 1440x900 GRUB for now, as 1440x900 is "close enough" to the desired resolution.



That link is the key to setting custom guest resolution in...

Thanks all for the clarifications :KS So a bridge will only forward packets between the interfaces that are explicitly connected to the bridge, so passing anything else to the bridge and its network...

:confused:
Could you please elaborate on this?

Based on attempting to read this (but don't currently have enough networking knowledge to get my head around everything written there), I thought...

If I manually create a bridge interface in nm-connection-editor, don't add any other interfaces to it, and set up VMs with Bridge networking to this interface, can I be sure this is a host-only...

Do you have the affected browsers installed as flatpaks? If so, you could try installing flatseal and explicitly adding Filesystem access to your download folder for each of the browsers.

Had partial success with this method: It works perfectly for TTYs, and the correct resolution is now an available option in xfce4 Display settings (which selecting that option does work, but only for...

Actually that does help on my Debian 11 / Trinity Desktop guest, where the custom GRUB resolution was already working, so I could go View > Resize to VM at the GRUB screen, then install spice-vdagent...