![]() ![]() ![]() I see often that the concept of port is not easy to grasp for those who start learning about Linux.Ī port is a communication channel opened on a Linux system when a process starts, ports allow users or programs outside of the Linux system to communicate with it.Īll the examples in this tutorial are based on a common application running on Linux systems, an Apache Web Server. Let’s go for it! What Ports Are Listening on Linux? We will also go through alternatives to netstat like lsof, ss and fuser. You will learn which netstat flags to use to show the port opened by a process on Linux and other tricks that can be very useful to manage a Linux system. You can also see which ports are opened on a Linux system using the lsof, ss and fuser commands. In the netstat output you can also see the port opened by a specific process. The netstat command allows to see the connections from and to our current Linux systems and it provides flags that also show which process a specific connection is related to. How do you find the port of a process running on Linux? This is a very common thing we need to know when we manage applications on Linux, especially if they have been configured by someone else. In this tutorial you will learn how to find the port of a process running on a Linux system. ![]()
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