Use iperf to diagnose Linux network speed
VnStatisafully-featured,commandline-basedprogramtomonitorLinuxnetworktrafficandbandwidthutilizationinreal-time,onLinuxandBSD ...,UseiftoptolocatetheTCPportonyourmachinethatisreceivingthemosttraffic.Thenusesudonetstat-tuptolocatetheprocessowningth...。參考影片的文章的如下: