Show apps that use internet connection at the moment.

sudo lsof -P -i -n | awk '{print $1,$5,$8}' | tail -n +2 | uniq -c | sort -nr

Show top apps that use internet, sorted by count connections and grouped by TYPE and Protocol

Sample Output

  34 Mail IPv4 TCP
  27 Google IPv4 TCP
   8 racoon IPv6 UDP
   8 airportd IPv4 UDP
   7 TeamViewe IPv4 TCP
   7 Google IPv4 TCP
   5 usbmuxd IPv6 TCP
   5 usbmuxd IPv6 TCP
   4 racoon IPv6 UDP
   4 racoon IPv4 UDP
   4 apsd IPv4 TCP
   3 usbmuxd IPv4 TCP
   3 php-fpm IPv4 TCP
   3 ntpd IPv6 UDP
   3 mtmfs IPv4 TCP
   3 discovery IPv4 UDP
   3 Skype IPv4 TCP
   2 usbmuxd IPv6 TCP
   2 usbmuxd IPv6 TCP
   2 usbmuxd IPv6 TCP
   2 usbmuxd IPv6 TCP
   2 usbmuxd IPv6 TCP

By: anton_slim

2014-12-18 05:22:33

awk sort sudo tail uniq bash grep lsof internet

6 Alternatives + Submit Alt

Show apps that use internet connection at the moment. (Multi-Language)
This is sample output - yours may be different.
101

lsof -P -i -n

OJM · 2009-09-19 18:28:48 37
Show apps that use internet connection at the moment. (Multi-Language)

for one line per process: ss -p | cat for established sockets only: ss -p | grep STA for just process names: ss -p | cut -f2 -sd\" or ss -p | grep STA | cut -f2 -d\"
This is sample output - yours may be different.
53

ss -p

Escher · 2009-09-19 21:55:01 15
Show apps that use internet connection at the moment.

show only the name of the apps that are using internet Show Sample Output
This is sample output - yours may be different.
```
kopete
ktorrent
firefox-b
```
36

lsof -P -i -n | cut -f 1 -d " "| uniq | tail -n +2

edo · 2009-09-19 21:23:54 26
Show apps that use internet connection at the moment. (Multi-Language)

Show apps that use internet connection at the moment. Can be used to discover what programms create internet traffic. Skip the part after awk to get more details, though it will not work showing only unique processes. This version will work with other languages such as Spanish and Portuguese, if the word for "ESTABLISHED" still contain the fragment "STAB"(e.g. "ESTABELECIDO") Show Sample Output
This is sample output - yours may be different.
```
firefox
http
ktorrent
opera
python
```
7

netstat -lantp | grep -i stab | awk -F/ '{print $2}' | sort | uniq

ProMole · 2009-09-19 14:54:31 9
Show apps that use internet connection at the moment.

This corrects duplicate output from the previous command. Show Sample Output
This is sample output - yours may be different.
```
dropbox    
emacs-snapshot
firefox-bin
gvfsd-http 
python     
```
4

netstat -lantp | grep -i establ | awk -F/ '{print $2}' | sort | uniq

HarimaKenji · 2009-09-19 14:42:31 7

What Others Think

This is a good decision. Thank you! We at akveo.com have used a similar approach for some projects. The most important thing is to understand how to simplify development and strive to improve the product you are working on

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