lxc-unfuck

#!/bin/bash -e

# Run this script before demos and if things in LXD get stuck in general.
# See https://pad.lv/1555760.

sudo umount /proc/sys/fs/binfmt_misc && sudo mount -a || true
for i in `lxc list --format json | jq -r '.[].name'`; do lxc exec $i reboot || true; done