问题描述
我想设置我的计算机以在我加入或离开某些网络时运行某些命令(即:在工作时启动 Synergy；在家里的局域网上启动 ssh 以便我可以同步等...).
I want to setup my computer to run certain commands when I join or leave certain networks (ie: Start up Synergy when at work; Start up ssh when on the lan at home so I can sync, etc...).
我发现 iwevent 将事件输出到我可以观看的无线接口.但是，当 eth0 连接或断开连接时，我找不到等效的观察.我试过ip monitor，但输出的数据太多，我无法理智地使用它.
I found iwevent which outputs events to the wireless interface that I can watch. However I can't find an equivalent to watch when eth0 is connected or disconnected.I tried ip monitor but there's so much data outputted I can't make use of it sanely.
有什么命令可以用来监控 eth0 的状态变化吗?Python 可用的 API 也可以使用.
Is there any command I can use to monitor state changes to eth0? An API available to Python works too.
推荐答案
也看看/sys/class/net/下的文件
Also take a look at files under /sys/class/net/
对于 eth0 子目录/sys/class/net/eth0/文件:
for eth0 subdirectory /sys/class/net/eth0/files:
运营商、休眠、运营状态
根据链接条件变化:
if up + cable:carrier=1,dormant=0,operstate=up
if up + cable: carrier=1, dormant=0, operstate=up
if up + NO cable:carrier=0,dormant=0,operstate=down
if up + NO cable: carrier=0, dormant=0, operstate=down
if down + cable: catcarrier=Invalid argument, cat dormant=Invalid argument, operstate=down
if down + cable: cat carrier=Invalid argument, cat dormant=Invalid argument, operstate=down
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