TLDR
Enter a command. For example: pacman deptest, a2query, localectl.

chpasswd

 
Change the passwords for multiple users by using stdin. 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}}

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