root@BeagleBone:~# shutdown now
root@BeagleBone:~#          Stopping Session 2 of user root.
[  OK  ] Removed slice system-modprobe.slice.
[  OK  ] Stopped target Graphical Interface.
[  OK  ] Stopped target Multi-User System.
[  OK  ] Stopped target Login Prompts.
[  OK  ] Stopped target Host and Network Name Lookups.
[  OK  ] Stopped target Timers.
[  OK  ] Stopped Periodic ext4 Onli…ata Check for All Filesystems.
[  OK  ] Stopped Discard unused blocks once a week.
[  OK  ] Stopped Daily rotation of log files.
[  OK  ] Stopped Daily Cleanup of Temporary Directories.
[  OK  ] Stopped target System Time Synchronized.
[  OK  ] Stopped target System Time Set.
[  OK  ] Stopped target Hardware activated USB gadget.
[  OK  ] Closed Load/Save RF Kill Switch Status /dev/rfkill Watch.
         Stopping Regular background program processing daemon...
         Stopping Getty on tty1...
         Stopping System Logging Service...
         Stopping Serial Getty on ttyGS0...
         Stopping Serial Getty on ttyS0...
         Stopping OpenBSD Secure Shell server...
         Stopping Load/Save Random Seed...
[  OK  ] Stopped Regular background program processing daemon.
[  OK  ] Stopped System Logging Service.
[  OK  ] Stopped Getty on tty1.
[  OK  ] Stopped Serial Getty on ttyS0.
[  OK  ] Stopped Serial Getty on ttyGS0.
[  OK  ] Stopped OpenBSD Secure Shell server.
[  OK  ] Stopped Load/Save Random Seed.
[  OK  ] Stopped Session 2 of user root.
[  OK  ] Removed slice system-getty.slice.
[  OK  ] Removed slice system-serial\x2dgetty.slice.
         Stopping User Login Management...
         Stopping User Manager for UID 0...
[  OK  ] Stopped User Login Management.
[  OK  ] Stopped User Manager for UID 0.
         Stopping User Runtime Directory /run/user/0...
[  OK  ] Unmounted /run/user/0.
[  OK  ] Stopped User Runtime Directory /run/user/0.
[  OK  ] Removed slice User Slice of UID 0.
         Stopping Permit User Sessions...
[  OK  ] Stopped Permit User Sessions.
[  OK  ] Stopped target Network.
[  OK  ] Stopped target Remote File Systems.
         Stopping Raise network interfaces...
         Stopping Network Name Resolution...
         Stopping WPA supplicant...
[  OK  ] Stopped WPA supplicant.
         Stopping D-Bus System Message Bus...
[  OK  ] Stopped Network Name Resolution.
[  OK  ] Stopped D-Bus System Message Bus.
[  OK  ] Stopped target Basic System.
[  OK  ] Stopped target Paths.
[  OK  ] Stopped target Slices.
[  OK  ] Removed slice User and Session Slice.
[  OK  ] Stopped target Sockets.
[  OK  ] Closed D-Bus System Message Bus Socket.
[  OK  ] Stopped target System Initialization.
[  OK  ] Stopped target Local Encrypted Volumes.
[  OK  ] Stopped Dispatch Password …ts to Console Directory Watch.
[  OK  ] Stopped Forward Password R…uests to Wall Directory Watch.
[  OK  ] Closed Syslog Socket.
         Stopping Network Service...
         Stopping Network Time Synchronization...
         Stopping Update UTMP about System Boot/Shutdown...
[  OK  ] Stopped Raise network interfaces.
[  OK  ] Stopped Network Service.
[  OK  ] Stopped Network Time Synchronization.
[  OK  ] Stopped Update UTMP about System Boot/Shutdown.
[  OK  ] Stopped Apply Kernel Variables.
[  OK  ] Stopped Load Kernel Modules.
[  OK  ] Stopped Create Volatile Files and Directories.
[  OK  ] Stopped target Local File Systems.
         Unmounting /media/root-ro...
         Unmounting /media/root-rw...
[  OK  ] Unmounted /media/root-ro.
[  OK  ] Unmounted /media/root-rw.
[  OK  ] Stopped target Local File Systems (Pre).
[  OK  ] Stopped target Swap.
[  OK  ] Reached target Unmount All Filesystems.
[  OK  ] Stopped Create Static Device Nodes in /dev.
[  OK  ] Stopped Create System Users.
[  OK  ] Stopped Remount Root and Kernel File Systems.
[  OK  ] Reached target Shutdown.
[  OK  ] Reached target Final Step.
[  OK  ] Finished Power-Off.
[  OK  ] Reached target Power-Off.
[  599.005842] systemd-shutdown[1]: Syncing filesystems and block devices.
[  599.016052] systemd-shutdown[1]: Sending SIGTERM to remaining processes...
[  599.046035] systemd-journald[467]: Received SIGTERM from PID 1 (systemd-shutdow).
[  599.109896] systemd-shutdown[1]: Sending SIGKILL to remaining processes...
[  599.159679] systemd-shutdown[1]: Unmounting file systems.
[  599.182563] [1185]: Remounting '/' read-only in with options 'lowerdir=/media/root-ro,upperdir=/media/root-rw/overlay,workdir=/media/root-rw/overlay-workdir/_'.
[  599.245592] systemd-shutdown[1]: All filesystems unmounted.
[  599.253368] systemd-shutdown[1]: Deactivating swaps.
[  599.265669] systemd-shutdown[1]: All swaps deactivated.
[  599.277255] systemd-shutdown[1]: Detaching loop devices.
[  599.290129] systemd-shutdown[1]: All loop devices detached.
[  599.301258] systemd-shutdown[1]: Stopping MD devices.
[  599.313921] systemd-shutdown[1]: All MD devices stopped.
[  599.325248] systemd-shutdown[1]: Detaching DM devices.
[  599.337854] systemd-shutdown[1]: All DM devices detached.
[  599.345279] systemd-shutdown[1]: All filesystems, swaps, loop devices, MD devices and DM devices detached.
[  599.372659] systemd-shutdown[1]: Syncing filesystems and block devices.
[  599.384108] systemd-shutdown[1]: Powering off.
[  599.406813] reboot: Power down