Manpage of ppddtab
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/etc/ppddtab - holds details of ppdd devices
This file is used to contain details of ppdd devices, usually when root
filesystem encryption is in use. If you are not using root filesystem
encryption you don't really need it.
Here is an example file:
y /dev/ppdd1 /dev/hda2 "test pass one" "help me please"
y /dev/ppdd2 /dev/hdd2 "pass test two" "i need help"
n /dev/ppdd7 /dev/hdc4 "another test" "of pass phrases"
One or more spaces seperate the fields.
The first character determines if this device is to be checksummed.
The second field is the ppdd device.
The third field is the real device (or file).
The fourth and fifth fields must be enclosed in quotes and are the first and
second lines of the pass phrase.
This file contains very sensitive data and should be stored in a secure place.
Normally that means on a root filesystem which is encrypted with ppdd.
Placing this file on an unecrypted file system completely negates the whole
point of using ppdd.
(c) 1999 Allan Latham - version 0.9
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Time: 16:37:44 GMT, September 14, 1999