- hiding stdout with piped mail command
- netstat -antp | grep ESTABLISHED | grep -v 127.0.0.1 | mail -s "alert: root access on server" email@address.com 2>&1>/dev/null &
- [1]+ Done mail -s "alert: root access on server" email@address.com 2>&1 > /dev/null
- mail -s "alert: root access on server" email@address.com > /dev/null 2>&1 &