hello to all !
the problem was that the 3Volt battery on the mother board was
dead. therefore the system date still restarted at 1970-01-01. And the
login to a user account asked every time change the password.
I found the command 'chage -l', it shows some details which
influence the login procedure. this command can help to see why the
login ask for changing the password::
# chage -l user gives the following output:
Last password change : Nov 18, 2011
Password expires : never
Password inactive : never
Account expires : never
Minimum number of days between password change : 0
Maximum number of days between password change : 99999
Number of days of warning before password expires : 7
and with chage user we can change the following values ::
# chage user gives the following output:
Enter the new value, or press ENTER for the default
Minimum Password Age [0]:
Maximum Password Age [99999]:
Last Password Change (YYYY-MM-DD) [2011-11-18]:
Password Expiration Warning [7]:
Password Inactive [-1]:
Account Expiration Date (YYYY-MM-DD) [1969-12-31]:
note: the given output do not show the situation on the machine with the
problem. it is the output of a machine which I installed Nov 18, 2011
with the CD ''debian-6.0.0-i386-CD1.iso''.
maybe this can even help someone else.
Reto
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