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nologin — Alternative shell that prevents a user from logging in. More information: <https://manned.org/nologi

Submitted by: @import:tldr-pages·Mar 2, 2026·

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linux

Problem

How to use the nologin command: Alternative shell that prevents a user from logging in. More information: <https://manned.org/nologin.8>.

Solution

nologin — Alternative shell that prevents a user from logging in. More information: <https://manned.org/nologin.8>.

Set a user's login shell to nologin to prevent the user from logging in:

chsh {{[-s|--shell]}} {{user}} nologin

Customize message for users with the login shell of nologin:

echo "{{declined_login_message}}" > /etc/nologin.txt

Code Snippets

Set a user's login shell to `nologin` to prevent the user from logging in

chsh {{[-s|--shell]}} {{user}} nologin

Customize message for users with the login shell of `nologin`

echo "{{declined_login_message}}" > /etc/nologin.txt

Context

tldr-pages: linux/nologin

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