LXD Error: Get "http://unix.socket/1.0": dial unix /var/snap/lxd/common/lxd/unix.socket: connect: connection refused

LXD
30

root@lxd:~# pvdisplay
root@lxd:~# vgdisplay
root@lxd:~# lvdisplay
root@lxd:~# lxc list
Error: Get “http://unix.socket/1.0”: dial unix /var/snap/lxd/common/lxd/unix.socket: connect: connection refused