5.1.4 How can I disable non-root logins?

Add the following to /etc/profile, then 'touch /etc/nologin'; this will
disable all new logins, except by root:

  uid=`id -u`
  if [ -f /etc/nologin -a $uid -ne 0 ]; then
    echo "Sorry, no logins allowed; try later!"
    sleep 5
    exit 0
  fi

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Last Update August 21 2008 @ 00:12 AM