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document how to configure Putty

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buchel_k
2023-02-03 10:56:17 +01:00
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@@ -17,8 +17,8 @@ Note that you need also to remove the tick at "Attempt GSSAPI key exchange" beca
![Working AFS](putty/working_kerberos_ticket_delegation.png)
## Long Running Programs/Simulations
The delegated Kerberos ticket from Windows can only be renewed for less than one day. So at some point after AFS will refuse access.
The delegated Kerberos ticket from Windows can only work for less than one day (in the `klist` output check below `krbtgt/D.PSI.CH@D.PSI.CH` the `renew until` timestamp). So at some point after AFS will refuse access.
To get a longer valid Kerberos ticket on the Linux machine, type `kinit` and authenticate yourself with your password. The newly acquired Kerberos ticket can renewed for one week and AFS is happy as long too.
Alternatively you my disable Kerberos/GSSAPI authentication in Putty altogehter. But then you need always to enter your password when connecting to your Linux machine. But it will then always get a new Kerberos ticket renewable for one week.
Alternatively you my disable Kerberos/GSSAPI authentication in Putty altogehter. But then you need always to enter your password when connecting to your Linux machine. But it will then always get a new Kerberos ticket working for one week.