запретить непривилегированным пользователям вход в систему (prevent unprivileged users from logging into the system)
Имя (Name)
nologin - prevent unprivileged users from logging into the system
Описание (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. This
provides a simple way of temporarily disabling all unprivileged
logins.
Файлы (Files)
/etc/nologin
Смотри также (See also)
login(1), shutdown(8)