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安装依赖 yum install gcc yum install pcre-devel yum install zlib zlib-devel yum install openssl openssl-devel //一键安装上面四个依赖yum -y install gcc zlib zlib-devel pcre-devel openssl...

centos7 firewall-cmd查看端口是否开放及开放端口查询端口号80 是否开启：firewall-cmd --query-port=80/tcp永久开放80端口号：firewall-cmd --permanent --zone=public --add-port=80/tcp移除80端口号：firewall-cmd --permanent --zone=public --r...

运行 :nmcli con show  查看网卡信息  报错：Error: NetworkManager is not running解决：https://zhidao.baidu.com/question/630287629335619684.html