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03-20-2006, 10:45 AM
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#1
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LQ Newbie
Registered: Mar 2005
Distribution: Mandrake 9.2
Posts: 2
Rep: 
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Blank passwords??
Hi
I would like to change a user's password for a blank one. The system doesn't let me do this. I am using 'passwd username' command. When I change an entry in the /etc/shadow file ( simply I was trying to remove the encrypted password, then I am not able to log on the machine at all. Is there any relation with PAM? Please help me.
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03-20-2006, 12:40 PM
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#2
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Moderator
Registered: Jun 2001
Location: UK
Distribution: Gentoo, RHEL, Fedora, Centos
Posts: 43,417
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passwd -d username
please check the mapages for minor usage options in future.
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03-20-2006, 12:56 PM
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#3
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Moderator
Registered: May 2001
Posts: 29,415
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And it goes w/o saying that accounts w/o passes aren't good for system security unless they're system accounts w/o shell and all that.
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03-20-2006, 01:08 PM
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#4
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Member
Registered: Apr 2004
Location: Europe
Distribution: Debian, Slackware
Posts: 505
Rep: 
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There is also a definition in /etc/login.defs that let's you define that no password is required when logging in from "trusted" (local) consoles:
NO_PASSWORD_CONSOLE tty1:tty2:tty3:tty4:tty5:tty6
User accounts will still have passwords, it's just not asked upon login.
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