centos安装iftop

0. 安装EPEL包
http://www.cyberciti.biz/faq/fedora-sl-centos-redhat6-enable-epel-repo/

$ cd /tmp
$ wget http://mirror-fpt-telecom.fpt.net/fedora/epel/6/i386/epel-release-6-8.noarch.rpm
# rpm -ivh epel-release-6-8.noarch.rpm

1. 安装iftop
# yum -y install iftop

2. 执行命令
# iftop -i eth0
查看eth0接口的状况。


http://www.cyberciti.biz/faq/centos-fedora-redhat-install-iftop-bandwidth-monitoring-tool/