What is the most recommended method? I tried to make a kali vm from an iso file before but it was too slow to be useful.

Increase Dom0 size by running the following in Dom0 terminal: sudo lvresize --size 50G /dev/mapper/qubes_dom0-root sudo resize2fs /dev/mapper/qubes_dom0-root Then run: qvm-template install --enablerepo=qubes-templates-community-testing kali Then check how to update the keyring, so you can update…