netstat.sh

#!/bin/bash
# Collect netstat statistics. Run via jenkins or cron.

TIMESTAMP=$(date +%a.%b.%d.%Y_%Hh.%Mm.%Ss)
DAY=$(date +%A)
LOGDIR=~/netstat_logs

# Create log directory if not alreay there
if [ ! -d $LOGDIR ]
then
  mkdir $LOGDIR
fi

cd $LOGDIR

# Create day directory if not already there
if [ ! -d $DAY ]
then
  mkdir $DAY
fi

# Remove logs older than 14 days
find . -type f -mtime +14 -exec rm -f {} \;

# Dump netstat results to log file
cd $DAY
echo $TIMESTAMP > $TIMESTAMP.log
netstat -tneoCT >> $TIMESTAMP.log 2>&1