What do you think?
Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?
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netstat -anp | grep -c ":80\>.*ESTABLISHED"This is more specific, but more complicated:netstat -anp | awk '($4 ~ ":80$") { n++ } END { print n }'netstat -nat | awk '$4 ~ /:80$/' | wc -lYou might also want to isolate a specific IP-adress which gets a lot uglier:a=$(ip a s eth0 | grep -Po 'inet \K[\d.]+') netstat -nat | awk '$4 ~ /'$a':80$/' | wc -lnetstat -nat | awk '$4 ~ /:80$/' | wc -lAlso, you might want to isolate connections to a specific IP-adress on your host which gets a lot uglier:a=$(ip a s eth0 | grep -Po 'inet \K[\d.]+') netstat -nat | awk '$4 ~ /'$a':80$/' | wc -l