# Check for nagios account here
if ! grep ^nagios: /etc/group 2>&1 > /dev/null; then
  groupadd -g 213 nagios
fi
if ! grep ^nagios: /etc/passwd 2>&1 > /dev/null; then
  useradd -d /dev/null -s /bin/false -u 213 -g 213 -c "Nagios" nagios
fi
usermod -a -G nagios apache

config() {
    NEW="$1"
    OLD="$(dirname $NEW)/$(basename $NEW .new)"
    # If there's no config file by that name, mv it over:
    if [ ! -r $OLD ]; then
        mv $NEW $OLD
    elif [ "$(cat $OLD | md5sum)" = "$(cat $NEW | md5sum)" ]; then # toss the redundant copy
        rm $NEW
    fi
    # Otherwise, we leave the .new copy for the admin to consider...
}
config etc/rc.d/rc.nagios.new