Workarounds: Booting off USB, while using sys-usb?

[Emily]

If I only have 1 USB controller, is there any workaround to boot off a USB drive, yet still have sys-usb?

[thegergo02]

Only thing I could imagine is if somehow the whole system is loaded into RAM, like some Live installs.

[enmus]

Qubes in tmpfs

You can use your QubesOS 𝚜𝚝𝚊𝚝𝚎𝚕𝚎𝚜𝚜 just like TailsOS, with persistent storage for VMs. That is pretty simple! It takes 6Gb of extra 𝚁𝙰𝙼 (for store root filesystem files). The steeps: Install QubesOS, boot to it and make base configuration: screen resolution, keyboard layout, etc. Edit kernel parameters variables at grub settings file /etc/default/grub: GRUB_CMDLINE_LINUX="... 𝚛𝚍.𝚋𝚛𝚎𝚊𝚔" GRUB_CMDLINE_XEN_DEFAULT="... dom0_mem=max:10240M ..." The 𝚛𝚍𝚋𝚛𝚎𝚊𝚔 option - drop to a shell at the en…