Computers are connected in a network to exchange information or resources with each other. Two or more computers are connected through network media called a computer network. There is a number of network devices or media are involved to form a computer network. Computer loaded with Linux Operating System can also be a part of
There are tons of open-source network monitoring tools available for the Linux operating systems on the web. Say, you can use the iftop command to monitor bandwidth usage, netstat command, or ss command to see reports on interface statistics, or top command to watch running process on your system. But if you are really looking
Are you having problems monitoring your Linux network bandwidth usage? Do you need help? It’s important that you are able to visualize what is happening in your network in order to understand and resolve whatever is causing network slowness or simply to keep an eye on your network. Read Also: 20 Command Line Tools to
As a Linux user, you can opt either to allow or restrict network access to some services or IP addresses using the firewalld firewall which is native to CentOS/RHEL 8 and most RHEL based distributions such as Fedora. The firewalld firewall uses the firewall-cmd command-line utility to configure firewall rules. Before we can perform any
Abbreviated as nmcli, the network manager command-line interface is a nifty and easy to use tool that saves you lots of time when you need to configure an IP address. To display all the active network interfaces on your Linux system execute the command. $ nmcli connection show OR $ nmcli con show Note that
In software terms, especially at the operating system level, a port is a logical construct that identifies a specific process/application or a type of network service and each network service running on a Linux system uses a particular protocol (the most common being the TCP (Transmission Control Protocol) and UDP (User Datagram Protocol)) and a
ss command is a tool that is used for displaying network socket related information on a Linux system. The tool displays more detailed information that the netstat command which is used for displaying active socket connections. In this guide, we delve in and see how the ss command can be used to display varied socket
VnStat is a free, open source, light-weight, and console-based Network Traffic monitor. Using this tool, we can easily find how much network bandwidth is consumed and display the result hourly, daily, monthly, or for specific time period. It gathers the usage details of a single or multiple Network interfaces and displays the summary in the
One of the common task we do after installing a Linux system is network configuration. Of course, you can configure network interfaces during the installation time. But, some of you might prefer to do it after installation or change the existing settings. As you know already, you must first know how many interfaces are available
The state of a port is either open, filtered, closed, or unfiltered. A port is said to be open if an application on the target machine is listening for connections/packets on that port. In this article, we will explain four ways to check open ports and also will show you how to find which application
