CentOS 7 安装常用工具

yum provides ifconfig
yum install -y net-tools

yum provide vim
yum install -y vim-enhanced

yum provides wget
yum install -y wget

yum provides tree
yum install -y tree

一起安装：

yum -y install bash-completion deltarpm redhat-lsb net-tools vim-enhanced wget tree rsync