如何设置服务开机服务自启

方法1：chkconfig   
    
以httpd服务为例
 

chkconfig httpd on|off
或
chkconfig --level 2345 httpd on|off

方法2：修改rc.local文件
 

文件路径：/etc/rc.d/rc.local

#!/bin/bash
# THIS FILE IS ADDED FOR COMPATIBILITY PURPOSES
#
# It is highly advisable to create own systemd services or udev rules
# to run scripts during boot instead of using this file.
#
# In contrast to previous versions due to parallel execution during boot
# this script will NOT be run after all other services.
#
# Please note that you must run 'chmod +x /etc/rc.d/rc.local' to ensure
# that this script will be executed during boot.

touch /var/lock/subsys/local

/etc/rc.d/init.d/httpd start
~                            

注意：这是两种不同的方法，修改rc.local文件，查询chkconfig --list还是关闭状态，两种方法没有联系。