Sunday, November 7, 2010

Creating a user account with a previously set password

The user accounts that will exist on the new home server already exist on the previous server, so when they get created the passwords should be copied forward, although this might be a good time to get them set again by the users.

the existing password hashes are stored in /etc/shadow:

To create a user account with the same password as listed there, just provide the password hash:
sudo useradd happy -p '$1$xxxxxxxx$xxxxxxxxxxxxxxxxxxxxxx' -s /bin/bash -m

The entire contents of the home directory could also be copied to bring application settings forward as well. Be sure to make sure that the copied files end up owned by the user they were copied for, the user ids will not necessarily be the same.

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