Gabriel Sousa gabrielfsousa
staaldraad
/ awk_netstat.sh
Last active
April 3, 2024 07:01
AWK to get details from /proc/net/tcp and /proc/net/udp when netstat and lsof are not available
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # Gawk version | |
| # Remote | |
| grep -v "rem_address" /proc/net/tcp | awk '{x=strtonum("0x"substr($3,index($3,":")-2,2)); for (i=5; i>0; i-=2) x = x"."strtonum("0x"substr($3,i,2))}{print x":"strtonum("0x"substr($3,index($3,":")+1,4))}' | |
| # Local | |
| grep -v "rem_address" /proc/net/tcp | awk '{x=strtonum("0x"substr($2,index($2,":")-2,2)); for (i=5; i>0; i-=2) x = x"."strtonum("0x"substr($2,i,2))}{print x":"strtonum("0x"substr($2,index($2,":")+1,4))}' | |
| # No Gawk | |
| # Local | |
| grep -v "rem_address" /proc/net/tcp | awk 'function hextodec(str,ret,n,i,k,c){ |