Difference between revisions of "Passwd (command)"

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{{lowercase}}
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<code>passwd</code> command included in [[passwd (package)]]
  
:<code>[[passwd]] -l $USERNAME</code> // for disabling password login
 
:<code>passwd -u $USERNAME</code> // will unlock account if needed
 
  
<pre>
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* <code>[[passwd]] USERNAME</code>
passwd -u $USERNAME
 
passwd: password expiry information changed.
 
</pre>
 
  
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* <code>[[passwd -l]] USERNAME</code> // for disabling password login
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* <code>[[passwd -u]] USERNAME</code> // will unlock account if needed
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* <code>[[passwd --status]] USERNAME</code> // show status
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passwd -u $USERNAME
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passwd: password expiry information changed.
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passwd -u USERNAME
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passwd: password for USERNAME changed by root
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passwd -u USERNAME
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passwd: password for USERNAME is already [[unlocked]]
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passwd --status USERNAME
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USERNAME L 11/15/2020 0 99999 7 -1
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[[journalctl]]
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Feb 05 14:35:55 SERVER_NAME passwd[29180]: [[pam_unix]](passwd:chauthtok): password changed for root
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== Related terms ==
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* <code>[[PermitRootLogin]]</code> and <code>[[PasswordAuthentication]]</code> in <code>[[/etc/ssh/sshd_config]]</code>
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* [[PAM]]
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* <code>[[/etc/passwd]]</code> (See also [[Zabbix]] <code>/etc/passwd</code> trigger)
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* <code>[[jailkit]]</code>
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* <code>[[libpam_cracklib]]</code>
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* [[Passwordless sudo]]
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* [[Lockout policy (Windows)]]
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* [[Password policy]]
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* <code>[[openssl passwd]]</code>
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* <code>[[/etc/systemd/logind.conf]]</code>
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* <code>[[passwd (package)]]</code>
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* [[PostgreSQL]]: <code>[[ALTER USER]] user_name WITH PASSWORD 'new_password';</code>
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* <code>[[ssh-keygen -p]]</code>
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* <code>[[mkpasswd]]</code>
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* [[AWS]]: <code>[[aws iam change-password]]</code>
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* [[macOS]]:
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** <code>[[dscl . -passwd]]</code>
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** <code>passwd yourUsername</code>
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** <code>[[security set-keychain-password]]</code>
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* [[Change password]]
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* <code>[[gpasswd]]</code>
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== Activities ==
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* Read https://www.cyberciti.biz/faq/securing-passwords-libpam-cracklib-on-debian-ubuntu-linux/
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* [[macOS]]: https://support.apple.com/en-us/HT202860
  
 
== See also ==
 
== See also ==
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* [[Hardcoded password]]
 
* {{sudo}}
 
* {{sudo}}
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* {{OpenSSH}}
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* {{passwd}}
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[[Category:Security]]

Latest revision as of 16:47, 11 September 2023

passwd command included in passwd (package)


passwd -u $USERNAME
passwd: password expiry information changed.
passwd -u USERNAME
passwd: password for USERNAME changed by root
passwd -u USERNAME
passwd: password for USERNAME is already unlocked
passwd --status USERNAME
USERNAME L 11/15/2020 0 99999 7 -1
journalctl 
Feb 05 14:35:55 SERVER_NAME passwd[29180]: pam_unix(passwd:chauthtok): password changed for root

Related terms[edit]

Activities[edit]

See also[edit]

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