Script for displaying listening and established connections using ss and their command lines using ps

ssstat.sh

#!/usr/bin/env bash

##
# Script for displaying listening and established connections using ss 
# Prints information and complete command lines using ps in table form output
# NOTE: Can get messy output with long command lines
#
# LouD 2023-09-2023

## Example output:
# STATE   LOCAL                 PEER                   TYPE  PID   COMMAND
# LISTEN  0.0.0.0:2022          0.0.0.0:*              tcp   601   sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups
# ESTAB   192.168.200.160:3333  192.168.200.150:52711  tcp   1586  sshd: loud@pts/0
# LISTEN  [::]:2022             [::]:*                 tcp   601   sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups

# start ss command with sudo
sudo ss -anptu state established state connected state listening |\
    # remove unneeded and error causing states
    egrep -v "TIME-WAIT|SYN-RECV|SYN-SENT|FIN-WAIT-1|FIN-WAIT-2|%lo" |\
    # take what we need and reformat it, add the command lines
    awk 'NR>1 { split($7,pids,",") ; split(pids[2], pid, "=") ; printf $2 "^" $5 "^" $6 "^" $1 "^" pid[2] "^" ; system("ps -o args p " pid[2] "| sed -n '2p'"); }' |\
    # sort in reverse so that listening is on top
    sort -r |\
    # pretty print in columns
    column --separator "^" --table --table-columns STATE,LOCAL,PEER,TYPE,PID,COMMAND ;