cours/unix commande passwd.md

up::unix commandes d'identification title::"comamdne pour modifier des mots de passe" #informatique/unix

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Sans argument : change le mot de passe de l'utilisateur actuel

$ passwd
changing password for "pierre"
pierre's Old pasword: xxxxx
pierre's New password: xxxxxxx
Enter the new password again : xxxxxxx

Note

modifie le fichier unix fichier etc-shadow

[!definition] Usage

 passwd [-i infosystem] -l location]] [-u authname] [name]
  infosystem:
    file
    NIS
    OpenDirectory
    PAM
  location (for infosystem):
    file           location is path to file (default is /etc/master.passwd)
    NIS            location is NIS domain name
    OpenDirectory  location is directory node name
    PAM            location is not used