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Full Discussion: how to force a user to change the password
Operating Systems Linux Red Hat how to force a user to change the password Post 302356853 by arm_naja on Monday 28th of September 2009 04:03:25 AM
Old 09-28-2009
Quote:
Originally Posted by mark54g
Did they ever have a password before? If not, you need to create one for them. This will not force their first password.
It have password, but still not works. ???

==================
# grep ratcha /etc/passwd /etc/shadow
/etc/passwd:ratcha.c:x:510:500:System Admin:/home/ratcha.c:/bin/ksh
/etc/shadow:ratcha.c:$1$O1z5V6.2$en8cRSXbDS0VGAT/XHbEZ/:14515:7:90:7:::
# passwd -d ratcha.c
Removing password for user ratcha.c.
passwd: Success
#
# grep ratcha /etc/passwd /etc/shadow
/etc/passwd:ratcha.c:x:510:500:System Admin:/home/ratcha.c:/bin/ksh
/etc/shadow:ratcha.c::14515:7:90:7:::
# ssh ratcha.c@localhost
The authenticity of host 'localhost (127.0.0.1)' can't be established.
RSA key fingerprint is e6:6b:cd:ce:7c:c2:60:f5:22:f8:23:ac:f0:8b:ae:f6.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'localhost' (RSA) to the list of known hosts.
ratcha.c@localhost's password:
Permission denied, please try again.
ratcha.c@localhost's password:
Permission denied, please try again.
ratcha.c@localhost's password:
Permission denied (publickey,gssapi-with-mic,password).
=================
 

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LEARN ABOUT FREEBSD

pwconv

pwconv(1M)						  System Administration Commands						pwconv(1M)

NAME

       pwconv - installs and updates /etc/shadow with information from /etc/passwd

SYNOPSIS

       pwconv

DESCRIPTION

       The pwconv command creates and updates /etc/shadow with information from /etc/passwd.

       pwconv relies on a special value of 'x' in the password field of /etc/passwd. This value of 'x' indicates that the password for the user is
       already in /etc/shadow and should not be modified.

       If the /etc/shadow file does not exist, this command will create /etc/shadow with  information  from  /etc/passwd.  The	command  populates
       /etc/shadow  with  the  user's  login  name,  password,	and  password  aging  information. If password aging information does not exist in
       /etc/passwd for a given user, none will be added to  /etc/shadow. However, the last changed information will always be updated.

       If the  /etc/shadow file does exist, the following tasks will be performed:

		Entries that are in the  /etc/passwd file and not in the /etc/shadow file will be added to the /etc/shadow file.

		Entries that are in the  /etc/shadow file and not in the /etc/passwd file will be removed from /etc/shadow.

		Password attributes (for example, password and aging information)  that exist in an /etc/passwd entry will be moved to the  corre-
		sponding entry in  /etc/shadow.

       The pwconv command can only be used by the super-user.

FILES

       /etc/opasswd

       /etc/oshadow

       /etc/passwd

       /etc/shadow

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       passwd(1), passmgmt(1M), usermod(1M), passwd(4), attributes(5)

DIAGNOSTICS

       pwconv exits with one of the following values:

       0	SUCCESS.

       1	Permission denied.

       2	Invalid command syntax.

       3	Unexpected failure.  Conversion not done.

       4	Unexpected failure.  Password file(s) missing.

       5	Password file(s) busy.	Try again later.

       6	Bad entry in /etc/shadow file.

SunOS 5.10							    9 Mar 1993								pwconv(1M)
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