chpasswd — Change the passwords for multiple users by using `stdin`. See also: `passwd`. More information: <htt

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 {{[-e|--encrypted]}}

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

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