Answers for "Failed to open initctl fifo: Permission denied Failed to talk to init daemon."

Failed to open initctl fifo: Permission denied Failed to talk to init daemon.

[osboxes@osboxes ~]$ shutdown now-r
Failed to parse time specification: now-r
[osboxes@osboxes ~]$ shutdown now -r
Failed to set wall message, ignoring: Interactive authentication required.
Failed to reboot system via logind: Interactive authentication required.
Failed to open initctl fifo: Permission denied
Failed to talk to init daemon.


SOLUTION::::

USE 

sudo reboot instead of that.