How to change your Passwords on raptor.ni.cmu.edu
*** USE STRONG PASSWORDS FOR BOTH UNIX AND SAMBA ****
Password strength enforcement:
- You will have 3 times to enter a right password before it will returning an error and you will have to start over.
- The minimum acceptable size for the new password is eight (8).
- Maximum three (3) characters should be similar to the characters in the previous password.
- At least one (1) lower case letters
- At least one (1) upper case letters
- At least one (1) digit.
- At least one (1) symbol such as @, #, ! $ % etc
- It will reject the password if contains the name of the user in either straight or reversed form.
To change your password you have to connect to the server through a secure ssh terminal program.
UNIX Shell: ssh -Y <userID>@raptor.ni.cmu.edu
MacOS: Open a “Terminal” session and then use: ssh -Y <userID>@raptor.ni.cmu.edu
Window: Open a secure terminal session using PuTTY, SSH Tectia – Terminal or a similar application.
Here is an example of Harry (username harry) changing both his UNIX and SAMBA passwords.
Herry logs into the server.:
# ssh harry@ni.cmu.edu
(you may get a RSA key fingerprint message and an yes/no question)
harry@ni.cmu.edu’s password:
(some details of server will then print out before you receive your prompt)
harry@raptor:~$
Example of changing UNIX Password:
harry@raptor:~$ passwd
Changing password for harry.
Current password: <type or paste password here – no printout when typing>
New password: <type or paste password here – no printout when typing>
Retype new password:<type or paste password here – no printout when typing>
passwd: password updated successfully
harry@raptor:~$
Example of changing your SAMBA Password:
harry@raptor:~$ smbpasswd -U harry
Old SMB password:<type or paste password here – no printout when typing>
New SMB password:<type or paste password here – no printout when typing>
Retype new SMB password:<type or paste password here – no printout when typing>
(long printout before receiving a line similar to the following)
Password changed for user harry
harry@raptor:~$ exit
logout
Connection to raptor.ni.cmu.edu closed.