View the Listening port under linux: #netstat -nl | grep 3141

View the Listening port under linux: #netstat -nl | grep 3141

netstat -nl | grep 3141
 
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 nmap -sT -O localhost
 
 cat /etc/services | grep 3141
 
 netstat -anp | grep 3141
 
 lsof -i | grep 3141