How do I reboot WHM?

Reboot your WHM via CLI:

Step 1:
Login to your SSH as the root user.

Step 2:

Run this command to reboot the server.

reboot

Reboot your WHM via GUI.

Step 1:
Login to your WHM as the root user

Step 2:

Go to System Reboot ->> Graceful Server Reboot – >> Click on the Proceed Button.

Note: Once you reboot the server then wait some for up the server.