An example would be Xephyr[1]. Archwiki[2] has a decent summary. In my case, I have the standard xorg session started by my login manager. Then I start Xephyr

An example would be Xephyr[1]. Archwiki[2] has a decent summary. In my case, I have the standard xorg session started by my login manager. Then I start Xephyr with a separate DISPLAY, that shows up as just a window in the parent environment. It does look kinda like RDP or VNC. [1]: https://linux.die.net/man/1/xephyr https://linux.die.net/man/1/xephyr [2]: https://wiki.archlinux.org/title/Xephyr https://wiki.archlinux.org/title/Xephyr