staaldraad
/ awk_netstat.sh
Last active
September 20, 2023 18:21
AWK to get details from /proc/net/tcp and /proc/net/udp when netstat and lsof are not available
View awk_netstat.sh
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| # 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){ |