I have 20 computers in a high school lab and I want to set up a standard student log in. This is done, the problem is that students can change the password to anything, is there a way to block this? thanks.
21 Answer
Use the -n option
-n, --mindays MIN_DAYS
Set the minimum number of days between password changes to MIN_DAYS. A value of zero for this field indicates that the user may change his/her password at any time.
So
sudo passwd <user> -n 10000 See
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