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Your token has a limited lifetime, which is 8 hours at CNF. To check your
token's expiration date, do the following:
Windows
Click the lock icon in your system tray. Select the "Tokens" tab
if it is not already selected. If there is no lock icon in your
system tray, from the Start Menu, choose All Programs, OpenAFS, then
Authentication.
Use the AFS "Authentication" application to obtain new AFS tokens or view your current tokens. Check your system tray for two lock icons, possibly with a red 'x' over them.
Of the potentially two lock icons, the correct one for AFS authentencation is the one that says "AFS Client" when you mouse over the icon. The other one will mention AFS and its version number and is not the correct one – this will start the related and separate Keberos for Windows application if you click it.
If you don't see the correct lock icon in your system tray, you can start the AFS Authentication application from the Windows start menu ... Start - O - OpenAFS - Authentication .
In the AFS Authentication application window, to obtain new tokens, click "Obtain new tokens"... your username will be formatted as one of two ways depending on if you have a Cornell NetID or Cornell GuestID:
- netids are: your_netid@CIT.CORNELL.EDU
- guestids are your_guestid@CORNELL.EDU
both are case sensitive... the part after the '@' symbol must be all caps. While your netid or guestid itself must be lowercaseDo not use the Kerberos for Windows application to obtain new tokens. Use the AFS client (lock icon).
Linux
Look for the Key icon at the top right of your screen and mouse over the icon. A popup will tell you when your credentials will expire (if renewable the credentials will be renewed). You can also right click on the key icon and choose "List Tickets"... look for the tickets labeled "afs/cnf.cornell.edu@CNF.CORNELL.EDU" . If the key icon has a yellow exclamation or a red x, then you should manually obtain new credentials. Simply left click on the key icon – you will be prompted for your password.
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Working with AFS Protection Groups
Windows
Open up a command prompt (Start - Run - cmd). View your group
membership with the following command:
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Located at /afs/cnf.cornell.edu/shares/public/outside_users
Only staff can write to this share.
Files in this share can be read by anyone anywhere in the world.