0,安装centos7 centos默认不开启网卡,需要在安装时将ens33设置为on,或者后续通过vi ifcfg-ens33,找到onboot,设置为yes ssg登陆centos7时,如果提示WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!,可以用ssh-keygen -R [IP_ADDRESS]重置 1,安装python3 关闭yum(如果在运行):rm -f /var/run/yum.pid 安装gcc:yum install gcc…