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The fact that they appear in lsblk doesn't mean they are mounted, only that they are detected by the kernel. The eject command removes them from the kernel's list of devices. You can't unmount them if they aren't mounted, or if some process has an open file on the device you are unmounting. The...

Shorter answer: The email you type is where the system (YOUR system, the one that you are installing, not Proxmox, Inc) will send notifications. You can disable such notifications after installation which means that the email you type need not be valid.

"Booting by EFI" doesn't mean "not grub". It can mean grub or it can mean systemd boot, depending on how your system was installed. You need to find out how your system is really booting.

SPF and DKIM may not work either if you are on a known consumer IP. Those tend to be blocked regardless. Another option is to not use port 25 (I'm surprised your ISP doesn't block that) but use the submission ports, either 465 or 587. Those do require authentication and you will have to set up...

Yes, the issue is that header file and the API it supported has been removed since 2020. Here is the commit: https://github.com/torvalds/linux/commit/278b13ce3a89698711c5a67792ba2dba41555433 Maybe deleting the line will work and just give some warnings. Or maybe not. Maybe the applesmc.ko...

I have never used btrfs so I am probably not the person to help you.

192.168.1.200 smells a like a DHCP address. Maybe your router is blocking it since you are assigning statically. Perhaps change to something outside of your router's DHCP range.

Sounds like there's more wrong than just disabling the bridge. Have you tried hitting the enter key to see if you get a login prompt? If not you will need to boot from a live CD (like ubuntu or the PVE installer in rescue mode) and see what's going on. How exactly you do that depends on whether...

With a physical keyboard and display or with some remote access feature like IPMI (usually only on server hardware). You've disabled your network so none of the usual ways will work.

PVE is probably the wrong product for you. It is an enterprise product that normally runs on a dedicated server. Out of the box PVE sets up a bridge (vmbr0 in your output), which acts like a switch. Your VM's connect to the bridge to talk to the network. Problem is, wifi doesn't support...

Erm, maybe ask NVidia?

According to the rsync man page (man rsync), exit code 11 means "file I/O error". It is failing on /var/tmp/<some temp file name>, which probably means you don't have enough temporary space to hold the backup.

You should look at two man pages: "man subuid" and "man subgid". Those files define the maximum range of UID/GID for particular users. On my PVE server root is allowed 65536 UID and GID. ETA: Whether having a million actual user ID's will be a problem is a whole other question. If they need to...

Any VM that reads/writes a lot of files will grow the cache over time. This is not a problem, it is a benefit. See https://www.linuxatemyram.com/ for info. If you don't want Mastodon to eat all of your RAM in this way, give it less memory. You very much can't count on VM's using less than you...

This isn't a PVE problem, it is regular SSH stuff. The error "Permission denied (publickey)" coupled with no password prompt generally means that the machine you are logging in to was set up with key authentication only, password authentications being disabled. The error means that one of...

You can't mount an lvm-thin. It is a block storage that PVE normally uses to hold VM disks. What are you trying to do? Perhaps you need to read the manual that is linked at the top of the web GUI, or here: https://pve.proxmox.com/pve-docs/pve-admin-guide.html#chapter_storage

Why is this so hard? You have never used a serial port and also lack Google? Serial port is not SSH. It sort of works like it in that it just transmits text, but it is a direct point-to-point connection rather than a network. It works even if the network is down. Which means it can be a...

If PVE has no serial port then you are out of luck. But in general, a serial console is not a display. It just sends text out a serial port. So you would need a second computer to display it on.

I do not know if you can use a usb-to-serial adapter as the console port. Never tried that. For sure you need two computers for this. Your PVE node and another computer with a serial port or usb adapter and terminal software (e.g. PuTTY) Honestly, it almost sounds like your use-case would be...

Your scheme won't work. The USB-C to HDMI adapters are not super-cheap GPU's. Usually they are either USB-C alt-mode to pass through the HDMI signals or they are DisplayLink adapters that redirect the display using software. Both of them need the GPU but it is no longer available to the host...