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Old 10-08-2009, 05:04 AM   #16
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"passwd -d username" works for command line (I tried on Arch i686 running bash 4.0.033 and kernel

To login with gdm you need to use jonmcc's trick, except on my box the string that worked was "U6aMy0wojraho" (based on http:/ /, this most likely depends on the hash algorithm you use.
Old 03-14-2010, 12:12 AM   #17
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I have to agree with cenzole and rvega. The reason for adding a user without a password is not relevant. Either you know how to do it or don't respond. This post (like others) is entirely too long with opinions about whether it's a good ideal or not and short on answering the question. I used homey method and it works the way I need it to (to setup a linux laptop for a 3 yr. old if that really is important to know to answer the question. I suppose I could teach him how to remember his password right after he learns the alphabet). homey stated that cenzole response was impolite, but is it really impolite to tell people that what they are asking for isn't relevant (when it isn't)? This is way people perceive the Linux community as unfriendly.
Old 02-14-2011, 10:41 AM   #18
Registered: Jan 2010
Location: East Coast, USA.
Distribution: Gentoo, Debian, OpenBSD.
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I have been scouring the Google for days. Has anyone actually used any of the above suggestions with success?

Old 09-02-2011, 10:36 AM   #19
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You can use the chage command.

chage -I -1 -m 0 -M 99999 -E -1 username
that will set the following for your user
Minimum Password Age to 0
Maximum Password Age to 99999
Password Inactive to -1
Account Expiration Date to -1
the following will tell you the settings of your user so you can see what needs to be set or changed:
chage -l username

I guess this doesn't tell you how to create a user without a password, but it will allow you to disable the password on an existing account. I know this is an old thread, but I hope someone can find it useful.
Old 05-02-2013, 09:44 AM   #20
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Location: Colwyn Bay - Wales
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Out of date I know, but just for the hell of it...

Mandriva Linux allows the use of no passwords even for root

Thats the single solid reason why I stuck with it for so long.

I only moved off it with that disgusting pile of crud that was on Mandriva 2011

So, its clearly possible.
Old 08-07-2013, 06:26 PM   #21
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adduser {username} --disabled-password

Do not run passwd to set the password. The user won't be able to use her account until the password is set.

Like --disabled-login, but logins are still possible (for example using SSH RSA keys) but not using password authentication.
Old 08-07-2013, 06:58 PM   #22
Registered: Jan 2006
Distribution: Slackware
Posts: 841

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I believe that adduser command with --disabled-password may be specific to Debian and distros based on it, j0hnsmith. The standard useradd command doesn't have a --disabled-password option. Neither does the adduser script packaged with some other distros, such as Slackware.

Assuming that you don't have an adduser command with --disabled-password option, a more general method is to create an account in the normal way and give it a password, then edit /etc/passwd to remove the first x right after the username.

This is what mop was alluding to in post #15, although I wouldn't use his method.

The easy way is to create the the account in the normal fashion with a password, then use the passwd command to remove it with the -d option.

passwd -d {username}

Last edited by Z038; 08-07-2013 at 07:07 PM.
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