linux之网络流量监控
ifstat是一个比较简单的查看网络流量的工具
常用的参数如下:
? ? ? ?-l ?Enables monitoring of loopback interfaces for which statistics are available. By default, ifstat monitors all non-loopback interfaces that are up.
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? ? ? ?-a ?Enables monitoring of all interfaces found for which statistics are available.
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? ? ? ?-z ?Hides interface which counters are null, eg interfaces that are up but not used.
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? ? ? ?-i ?Specifies the list of interfaces to monitor, separated by commas (if an interface name has a comma, it can be escaped with ‘\‘). Multiple instances
? ? ? ? ? ?of the options are added together.
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? ? ? ?-s ?Equivalent to -d snmp:[comm@][#]host[/nn]] to poll a remote host through SNMP. See below for details.
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? ? ? ?-h ?Displays a short help message.
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? ? ? ?-n ?Turns off displaying the header periodically.
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? ? ? ?-t ?Adds a timestamp at the beginning of each line.
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? ? ? ?-T ?Reports total bandwith for all monitored interfaces.
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? ? ? ?-A ?Disables use of interface indexes: by default, when polling mechanism is index based (snmp, ifmib), ifstat remembers indexes of monitored inter-
? ? ? ? ? ?faces to poll only them. However, if interfaces indexes change often (new interfaces added, etc), you might loose some stats, hence this flag. Note
? ? ? ? ? ?that if you ask ifstat to monitor a non existent interface, it will poll all interfaces until it finds the requested one (regardless of this flag)
? ? ? ? ? ?so you can poll for an interface that goes up and down.
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? ? ? ?-w ?Uses fixed width columns, instead of enlarging them if needed for interfaces names to fit.
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? ? ? ?-W ?Wrap lines that are larger than the terminal width (implies -w). Wrapped lines are prefixed with a cycling letter to ease reading.
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? ? ? ?-S ?Keep stats updated on the same line if possible (no scrolling nor wrapping).
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? ? ? ?-b ?Reports bandwith in kbits/sec instead of kbytes/sec.
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? ? ? ?-q ?Quiet mode, warnings are not printed.
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? ? ? ?-v ?Displays version and the compiled-in drivers.
常用:
ifstat -TS
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