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script for password change for exiting user

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Operating Systems Linux script for password change for exiting user
# 1  
Old 10-04-2011
script for password change for exiting user
Dear Forum,
In our organization 100 user is existing. Now i want to change password for 100 user in linux server. Pls help to write script for changing password.


Regads//
Taifur
# 2  
Old 10-04-2011
Code:
#echo "username:newpasswd" | /usr/sbin/chpasswd 
# echo "newpassword" | passwd --stdin username

UNIX/LINUX TECH NOTES: Changing Linux user's password with script
# 3  
Old 10-05-2011
Script for password changing for existing user
Dear Honglus,
Thanks for ur reply.
I want to create a script for password changing which will take password from text file.
Meaning , suppose i will write some password like , user = XYZ password = 1234 in text file.
How can i retrieve the password for rquired user by script ?
Pls help about this regard as soon as possible.

Waiting for feedback.

Rgds//
Taifur
# 4  
Old 10-05-2011
Should someone point out to you that doing this is ridiculously bad? Clear text passwords are a no-no.
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