How to find out which Port number a process is using
32,182
Solution 1
This is how I found a solution:
» lsof -i -P | grep node
node 14489 me 12u IPv4 0x... 0t0 TCP *:4000 (LISTEN)
Also if i knew the port and I was looking for the process name I would:
» lsof -i :4000
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
node 14489 me 12u IPv4 0x... 0t0 TCP *:terabase (LISTEN)
Solution 2
Active Internet connections (w/o servers)
netstat -pnt
Active Internet connections (only servers)
netstat -pntl
Comments
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Tim Truston almost 2 years
I want to be able to find out which port number a process is and filtering the results using a keyword.
For example, I may want to quickly find out which port numbers are being used by "node" js apps.
This did not work:
netstat tulnap | grep "node"
This did not return the port numbers:
ps aux | grep node