第一种方法：
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
第二种方法：
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