How to check if the user is locked in Linux

Method: 1. Execute "passwd -S daygeek" or "passwd --status daygeek". If the output information contains "LK", it means it is locked. 2. Execute "grep daygeek /etc/shadow". If there are two exclamation marks before the password, it is locked.

#The operating environment of this tutorial: linux5.9.8 system, Dell G3 computer.

Linux method to check whether the user is locked

Method 1: Use the passwd command

Pass The passwd command checks user account lockout status

# passwd -S daygeek 或 # passwd --status daygeek

This will output a brief message of the password status for a given account.

• LK: The password is locked

• NP: No password is set

• PS: The password is locked Setup

Method 2: Use the grep daygeek /etc/shadow command

Use the /etc/shadow file to check the locked user account status. If the account is locked, two exclamation points will be added in front of the password.

Extended knowledge:

Use the -u switch to run the passwd command to unlock a given user account.

Related recommendations: "Linux Video Tutorial"

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