FreeBSD Unix Find Out Which Programs Are Listening On a Given Port Number

Posted on in Categories , , , , , , last updated November 24, 2016

I‘m a new FreeBSD Unix system user. How can I find out the process/programs names listing on a certain port on a FreeBSD Unix systems using command line? How do I lookup the process which is currently bound to the given network port on a FreeBSD server?

CentOS / RHEL: Install iftop To Display Bandwidth Usage Per interface By Host

Posted on in Categories , , , last updated November 11, 2013

I am running Red Hat Enterprise Linux on IBM based system. How do I display bandwidth usage on an interface by host in real time using command line option? How do I monitor bandwidth usage in a real time on RHEL or CentOS Linux based server? How can I install iftop utility on CentOS or RHEL server using the yum command?