1、禁用selinux
setenforce 0 sed -i 's/SELINUX=permissive/SELINUX=disabled/' /etc/sysconfig/selinux sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config
2、安装工具
yum install -y wget lrzsz tree net-tools bash-completion psmisc vim tcpdump lsof