摘要：
The Zen of Python, by Tim Peters Beautiful is better than ugly.Explicit is better than implicit.Simple is better than complex.Complex is better than c 阅读全文
摘要：
CentOS7 默认使用的是firewall作为防火墙 查看防火墙状态 firewall-cmd --state 停止firewall systemctl stop firewalld.service 开启firewall firewall-cmd --state 禁止firewall 开机启动 s 阅读全文