On Thu, Jun 10, 2021 at 17:37:43 +0800, tommy wrote: > [root@test2 ~]# virsh -c quem+ssh://root@192.168.10.175/system > > root@192.168.10.175's <mailto:root@192.168.10.175's> password: > > error: failed to connect to the hypervisor > > error: no connection driver available for quem:///system You've got a typo here, you wrote "quem" but it's "qemu".