Or, you can use -l argument to show all the listening sockets. Let’s say you’ve started some service, and that is supposed to listen on a particular IP:Port, this would be handy to verify.

If you many established connections and interested in looking for one of the IPs, then you can use another grep. If you are looking for all established connections from the server. The following are tested on RHEL/CentOS, but I don’t see any reason not to work on another distro like Ubuntu. Let me show you some of the examples of the command. Netrom (AMPR NET/ROM) ipx (Novell IPX) ddp (Appletalk DDP) Inet (DARPA Internet) inet6 (IPv6) ax25 (AMPR AX.25) List of possible address families (which support routing): If you type netstat -help, you will get the following usage guidelines.

netstat is powerful and can be a handy tool to troubleshoot network-related issues and verify connection statistics. It is available on Linux, Unix-like, and Windows operating systems. Netstat (network statistics) is a command-line tool that displays network connections (both incoming and outgoing), routing tables, and a number of network interface statistics. Learn what netstat command and some of the real-time examples are.

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