Detailed explanation of CentOS system service optimization script

#! /Bin/bash
# Author: sherwin
# Version: v1.1
# Author blog: http://blog.rocnic.com
# Email: blog@rocnic.com
# Description: This script is the maximum service optimization for CentOS servers and does not apply to all servers. Please increase or decrease according to your actual situation.
# Define the service to be stopped, which can be changed based on the actual server application.
SERVICES = "acpid atd auditd release-daemon release-bluetooth conman cpuspeed cups release dund firstboot hidd httpd ibmasm release irda release released mcstrans release netconsole netfs netplugd nfs nfslock nscd ntpd release pand release portmap psacct rdisc restorecond rpcgssd rpcidmapd rpcsvcgssd saslauthd sendmail setroubleshoot smb vncserver winbind wpa_supplicant xfs ypbind yum-updatesd"
For service in $ SERVICES
Do
# Disabling selected services from starting with the system
Chkconfig $ SERVICES off
# Stop the selected service
Service $ SERVICES stop
Done