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Old 11-25-2007, 11:21 PM   #1
knockout_artist
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Registered: Sep 2005
Distribution: fedora core 9
Posts: 324

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Add a user with no password/or user pick password.


Good Day,
Is there any way I could add an account with on line
Code:
#adduser -c dog@cat.com -d /home/dog -m  dog
And when user log in for the firt time he could pick his own password.

OR Is there any way I can add password in while adding user?
I have tried
Code:
 adduser -p dog1 -c 'dog@cat.com'  dog
But that doesn't make "dog1" password for user dog.

Note I have used "passwd" utility but here I need to do whole thing once, No prompts a answers.


Thank you.
 
Old 11-26-2007, 12:13 AM   #2
wmakowski
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Registered: Oct 2003
Location: Ohio
Distribution: Fedora 23, 24, RHL 5.2
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It is possible to do this from the User Manager in one step. However the only way I know to do it from the command line requires two steps (useradd then passwd). The -p option on the useradd command uses an encrypted passwd. This is why your dog1 example did not work. It is possible to create a program to do it in one step using the crypt function. Here is a sample program. It isn't exactly what you want, but it will give you an idea of how crypt can be used with useradd in a C program.

There is a way to allow a user to login without a password, but it does not force them to set a password. This would be a security risk. It also takes two steps. One using useradd and the other modifying /etc/passwd.

Bill
 
Old 11-26-2007, 10:08 AM   #3
knockout_artist
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Registered: Sep 2005
Distribution: fedora core 9
Posts: 324

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^ Thank you for your solution.
Even more thanks for doing it in C.
There are things in you code which I would use as my starting point for sys-utilities coding in C.

Thanks once again.
 
  


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