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原文：https://www.cnblogs.com/Cheer-up-boy/p/14792028.html