NOLOGIN(5) Linux Programmer's Manual NOLOGIN(5)NAME
nologin - prevent unprivileged users from logging into the system
DESCRIPTION
If the file /etc/nologin exists and is readable, login(1) will allow
access only to root. Other users will be shown the contents of this
file and their logins will be refused.
FILES
/etc/nologin
SEE ALSOlogin(1), shutdown(8)COLOPHON
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Linux 2012-04-16 NOLOGIN(5)