1. iftop
sudo apt-get install iftop
sudo iftop -i ppp0
2. slurm
sudo apt-get install slurm
slurm -i ppp0
3. vnstat
sudo apt-get install vnstat
sudo chmod o+x /usr/bin/vnstat
sudo chmod o+wx /var/lib/vnstat/
vnstat -u -i ppp0
vnstat -i ppp0
vnstat -l -i ppp0
因為不是server就沒有用復雜的mrtg