yum install gcc gcc-c++ ncurses-devel
wget http://www.roland-riegel.de/nload/nload-0.7.2.tar.gz
tar zxvf nload-0.7.2.tar.gz
cd nload-0.7.2
#./configure
#make & make install
然后通过#nload -m即可查看实时流量。
或者
wget http://mirrors.kernel.org/fedora-epel/6/i386/epel-release-6-8.noarch.rpm
rpm -ivh epel-release-6-8.noarch.rpm
yum install nload