For libraries,internetcafes or public computer areas we have a new surf ticket system to organise the computer use or have a paid surf service.
The administrator can make a user, choose the surftime and print the ticket, so the person can take place at the multiseatcomputer, log in and surf the available surftime.Once the session comes to the end , the user will be logged out and deleted.So with this username and password it is not possible anymore to log in.
These are the simple steps to create a ticket (can be done from any computer):
Push desktop item:

Give a username:

Give a password

How much suftime:

The user is made, a surfticket is printed:

Done!

After logout a ticket can be print with info and total printed pages:

Five minutes before the surftime session will be ended, the user gets a warning before logout or can extend this surftime if he wish:
Steps to extend:desktop item:

Extend for user?:

How much time to add?:

The user can surf the extra time.




