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Get a summary of network devices in the system

Terminal - Get a summary of network devices in the system
for i in /sys/class/net/*; do e=`basename $i`; echo "# $e"; sudo ethtool $e | grep -E "Link|Speed" ; done
2009-04-25 14:32:08
User: hank
Functions: echo grep sudo
Get a summary of network devices in the system

Basically an improvement on an earlier ethtool command line.


There are 4 alternatives - vote for the best!

Terminal - Alternatives

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What others think

Again, your way of using "ls" inside a for loop is inappropriate. Just don't.

for i in /sys/class/net/*; do ...
Comment by ubersoldat 464 weeks and 6 days ago

give the guy some credit. this is still awesome.

Comment by linuxrawkstar 464 weeks and 6 days ago

So let's make things straight. This is the corrected line:

for i in `ls --color=none /sys/class/net/*`; do echo "# $i"; sudo ethtool $i | grep -E "Link|Speed" ; done

Comment by dotanmazor 464 weeks and 4 days ago

What? This can't work like that. It will pass the whole path to ethtool and fail. You should have the command cd into /sys/class/net before doing an ls, a such:

for i in `cd /sys/class/net ; ls -d *`; do ...

Comment by tduvally 343 weeks and 2 days ago

Just fixed it - thanks for the suggestions.

Comment by hank 343 weeks and 2 days ago

Your point of view

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