Change the passwords - chpasswd

Change the passwords for multiple users by using stdin. More information: chpasswd - manned.org.

  • Change the password for a specific user:

printf "{{username}}:{{new_password}}" | sudo chpasswd

  • Change the passwords for multiple users (The input text must not contain any spaces.):

printf "{{username_1}}:{{new_password_1}}\n{{username_2}}:{{new_password_2}}" | sudo chpasswd

  • Change the password for a specific user, and specify it in encrypted form:

printf "{{username}}:{{new_encrypted_password}}" | sudo chpasswd --encrypted

  • Change the password for a specific user, and use a specific encryption for the stored password:

printf "{{username}}:{{new_password}}" | sudo chpasswd --crypt-method {{NONE|DES|MD5|SHA256|SHA512}}

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