mountpoint -q /sys || mount -t sysfs sys /sys -o nosuid,noexec,nodev
mountpoint -q /var/run || mount -t tmpfs run /var/run -o mode=0755,nosuid,nodev
mountpoint -q /dev || mount -t devtmpfs dev /dev -o mode=0755,nosuid
-mkdir -p /dev/{pts,shm}
+mkdir /dev/pts /dev/shm
mountpoint -q /dev/pts || mount -t devpts devpts /dev/pts -o mode=0620,gid=5,nosuid,noexec
mountpoint -q /dev/shm || mount -t tmpfs shm /dev/shm -o mode=1777,nosuid,nodev
# and make sure they all passed