Adding or Modifying User in Bash Shell Script

Question

As I am trying to learn bash shell, I want to have some idea how can I add or modify the user in Bash Shell script?

What do you mean "add or modify the user"? Which user, and for what purpose? This does not sound like a normal request for a beginner in bash. — John Zwinck
– John Zwinck, Commented Jul 3, 2011 at 17:21
also this depends on your distro. But you can check man adduser or man useradd. — hornetbzz
– hornetbzz, Commented Jul 3, 2011 at 20:51

Rakesh Sankar · Accepted Answer · 2011-07-05 04:32:11Z

1

Quick Ex:

Adding an user:

createuser.sh

#!/bin/sh

user=$1 #first argument 
apache="www-data"
passuser=$2 # second argument
newpasswd=$(perl -e 'print crypt($ARGV[0], "S@LtStR!Ng")' $passuser)
createuser='/usr/sbin/useradd' # PATH to `useradd` package

##create and update password, then assign the apache group to the user
$createuser -d /home/$user -g $apache -m -s /bin/bash -p $newpasswd $user

Calling:

root@ip-ad-2as2-ds:#./createuser.sh test test1234

This way you can control the modify-user script, just change the createuser variable to have the proper modify-user (usermod) package.

answered Jul 5, 2011 at 4:32

Rakesh Sankar

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J-16 SDiZ · Accepted Answer · 2011-07-05 04:51:18Z

0

Use adduser(8).

answered Jul 5, 2011 at 4:51

J-16 SDiZ

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