This takes just a few seconds, and can fix problems that otherwise would require a restart. All depends on which processes need to be restarted.
root
Is logging out and back in again a good way to deal with problems? Although it can be, it might not do what you think it does any more.
Accessing information about you as a user and a great deal more, using the Advanced Options dialog for user accounts, and Directory Utility.
A helping hand for those who run in normal user mode and cannot access log contents as a result.
The Eclectic Light Company 