操作一:防火墙检查(centos7)
VMware Workstation Pro 安装:略
centos7 安装:https://blog.csdn.net/qq_41057009/article/details/122944871
https://blog.csdn.net/weixin_43671437/article/details/105936977
查看防火墙状态
systemctl status firewalld
关闭防火墙
systemctl stop firewalld
---> 临时改变
systemctl disable firewalld
---> 需重启,重启后也是关闭,永久关闭
打开防火墙
systemctl start firewalld
---> 临时改变
systemctl enable firewalld
---> 需重启,重启后也是打开,永久打开