nethogs

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自己的台式机使用的是无线网卡，使用nethogs时候出现一下错误：

ioctl failed while establishing local IP for selected device eth0. You may specify the device on the command line.

这个意思的是eth0设备没有分配IP地址，无法监控流量。原因是使用的是无线网卡， ifconfig

eth0      Link encap:Ethernet HWaddr 18:03:73:31:97:19
          UP BROADCAST MULTICAST MTU:1500 Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
          Interrupt:20 Memory:e1500000-e1520000

lo        Link encap:Local Loopback
          inet addr:127.0.0.1 Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING MTU:65536 Metric:1
          RX packets:31049 errors:0 dropped:0 overruns:0 frame:0
          TX packets:31049 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:3963939 (3.9 MB) TX bytes:3963939 (3.9 MB)

wlan1     Link encap:Ethernet HWaddr c8:3a:35:cd:86:a6
          inet addr:192.168.1.102 Bcast:192.168.1.255 Mask:255.255.255.0
          inet6 addr: fe80::ca3a:35ff:fecd:86a6/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:1498604 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1467841 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:519141678 (519.1 MB) TX bytes:1276239936 (1.2 GB)

因此要监控wlan1的网卡才行，使用nethogs制定设备即可，

nethogs wlan1

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