centos实用命令工具
yum -y install traceroute
yum -y install bzip2
yum -y install htop
yum -y install sysstat
yum -y install iotop
yum -y install rsync
yum -y install tcpdump
yum -y install net-tools
yum -y install telnet
ntpdate ntp.aliyun.com
yum install -y ntp gcc gcc-c++
yum install -y unzip
yum install -y lrzsz
yum install -y vim
wget http://mirrors.aliyun.com/repo/epel-7.repo -O /etc/yum.repos.d/CentOS-Base.repo
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
yum install -y wget
