tldr/pages/linux/chpasswd.md

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2022-06-24 12:42:30 +01:00
# chpasswd
> Change the passwords for multiple users by using `stdin`.
2022-06-24 12:42:30 +01:00
> More information: <https://manned.org/chpasswd.8>.
- 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}}`