Cameron Simpson wrote:
On 05Apr2008 09:46, mark <m.roth2006@xxxxxxx> wrote:
| Anil Saini wrote:
| > i need a shell script that can create multiple users....
| > i have already done it with newuser command..and worked fine
| > is thr any other way to create multiple user accouts and at the same it will
| > generate some random password...
|
| Generate a random password? And how will you know what it is to tell the user?
By recording it in a file and printing them on little slips of paper, then
erasing the file? Hand the printouts to each user when they show up?
Force them to change them.
| And how many users are you adding at once? I've never added more than one or
| two at a time, and my standard new user is set up with a password that is
| *required* to be changed at first login... and I give them all the same:
| changeme. <g>
This is a better approach indeed.
Actually, its a pretty bad approach.
If you setup 1000 users with this, and I want to steal some accounts,
all I need to do is login to my account, cat /etc/passwd then login to
some of the other accounts that have yet to be 'activated' and change
the passwords myself.
Sure, eventually some users will try to login and then complain they
can't and the password will be reset - but that creates trouble for the
admins and overhead that was not necessary. And there will usually be at
least one or two accounts that are never used, or the student never
complains about.
I used to make accounts without passwords (not blank, disabled) and get
the users to enter a password when they show up the first day.
However, this kind of thing doesn't work at places like universities
where 1000 new people show up at session start; then you do need to
give them all passwords.
You could probably write a wrapper script or a script to generate
/etc/shadow and /etc/passwd entries and depending on how you wanted your
users grouped, /etc/group entries as well and then create thir home
directory, chown it to the newly created user and copy the contents of
/etc/skel to the new home directory, chowning it in the process.
I did something similar when I had to create a few thousand new users
based on a student database dump. (csv input)
--
Steve.
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