Five Ways to Display Ethernet Traffic on Linux

There are many packages available to display Ethernet network traffic on Linux.  Here we’ll cover five of our favorites.  Based on our assessment and decades of networking experience, these are the most useful, powerful and stable packages.    In these examples, we use Ubuntu 18.04 LTS.  However, we have verified these packages to work equally well […]

How to Change the Hostname in Linux

The Linux system hostname is important.  It will  help identify a given system within a larger network. It can also be used to set local and external DNS entries. To find out the current hostname of your linux system, simply type the hostname command: test@test-VirtualBox:~$ hostname test-VirtualBox In this particular example, the current hostname is […]

Installing the Latest CentOS 7 Kernel

What is a Kernel? The kernel is the essential center of a computer operating system, the core that provides basic services for all other parts of the operating system. A synonym is nucleus. A kernel can be contrasted with a shell, the outermost part of an operating system that interacts with user commands.   What is the Currently Installed […]