使用CentOS7安装自己的JDK1.8、tomcat、mysql

JKD:

https://blog.csdn.net/hui_2016/article/details/69941850

TOMCAT:

https://blog.csdn.net/uq_jin/article/details/51356799

MYSQL:

https://blog.csdn.net/qq_17776287/article/details/53536761

https://blog.csdn.net/qq_32331073/article/details/76229420

关闭防火墙：

firewall-cmd --state #查看防火墙状态

systemctl stop firewalld.service #停止firewall

systemctl disable firewalld.service #禁止firewall开机启动