[Samba] Generating keytab on a read-only file system

[Taner Tas]

> 
> dedicated keytab file = /tmp/krb5.keytab
> 
> For which programs do you use the keytab?

I already tried that. But still tries to write at /etc. It seems this
parameter used when you have a keytab already.

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Taner Tas