Query and Statistics
Sign in/Sign out logs
You can search for sign in/sign off logs of the administrator in this page.
If you want to keep the sign in/out logs of all users,do as follows.
System Tools-->System Settings-->Select Keep a record of login/logout information-->Save
The server needs to restart to save the change.
System Tools-->Server Manager-->Select all-->Restart
Now the logs of all users’ signin/signout are recorded.