最小化centos 安装基础命令:
yum install vim iotop bc gcc gcc-c++ glibc glibc-devel pcre
pcre-devel openssl openssl-devel zip unzip zlib-devel net-tools
lrzsz tree ntpdate telnet lsof tcpdump wget libevent libevent-devel
bc systemd-devel bash-completion traceroute -y