The post A Beginner’s Guide to Configuring IPv4 and IPv6 Addresses in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .As a systems administrator, you will occasionally be tasked with configuring or setting up the IP addresses of your…
The post What’s Wrong with IPv4 and Why We Are Moving to IPv6 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .For the past 10 years or so, this has been the year that IPv6 will become widespread. It hasn’t happened yet. Consequently,…
There are quite a few ways to transfer files between different machines. For Ubuntu and most other Linux, here’s an easy way for choice. Usually, I use a USB cable or a messenger app for transferring photo images between my personal PC and mobile devices. However, my USB cable is always NOT near at hand […]
In computing, and more so, TCP/IP and UDP networks, a port is a logical address that is usually assigned to a specific service or running application on a computer. It is a connection endpoint that channels traffic to a specific service on the operating system. Ports are software-based and are usually associated with the IP […]
The post Most Common Network Port Numbers for Linux appeared first on Linux Today.
In this guide, I will show you how to analyze network packets on Linux. I will use the tools Tcpdump and Wireshark. This tutorial uses Ubuntu as OS, but it is applicable to other Linux distributions too.
The post Capturing Packets with Tcpdump and Anal…
When performing digital reconnaissance or penetrating testing, it’s important to fingerprint a network by understanding what operating system is used on a remote host. Nmap is a great tool for this job. Although normally associated with the cybersecurity field and penetration testing, Nmap can also be used for benevolent purposes, such as a system administrator […]
The post How to Determine OS of a Remote Host appeared first on Linux Today.
Almost seven months in development, NetworkManager 1.34 is here to further improve support for the WireGuard VPN tunnel protocol and implementation by introducing support for WireGuard profiles to NetworkManager’s text user interface (nmtui), as well a…
Use Nmap, tcpdump, and Wireshark to discover why your enterprise switch and clients aren’t communicating IP configurations correctly.
The post How to Troubleshoot DHCP Communication Problems on your Network appeared first on Linux Today.
There are a number of monitoring tools available. Moreover, I came across a IPTraf monitoring tool that I find very useful. It’s a simple tool to monitor Inbound and Outbound network traffic passing through the interface.
The post IPTraf: Real Time Int…
Operating system users might have different egoistic opinions on which operating system distribution is better but always find a common ground when it comes to issues like finding ideal file sharing solutions. Samba is such a solution. Whether you are on a Windows or Linux operating system environment, Samba makes it possible to flexibly share […]
The post How to Install Samba on RHEL and CentOS Stream appeared first on Linux Today.
netstat (network statistics) is a command-line tool for monitoring network connections both incoming and outgoing as well as viewing routing tables, interface statistics, etc.
The post UPDATED] – 20 Netstat Commands for Linux Network Management a…
PING is undoubtedly a millennial word. It’s rooted in quotidian life and henceforth has become a concept to be unveiled. Many of us might be known of the fact that the word ‘ping‘ is not actually a word but an acronym. PING stands for Packet Internet G…
A cryptographic library set NSS Mozilla (Network Security Services) has been identified in the critical vulnerability (( CVE-2021-43527 CVE-2021-43527)) that could lead to malicious code execution when processing DSA or RSA-PSS digital signatures specified using the DER ( Distinguished Encoding Rules). The issue codenamed BigSig has been fixed in NSS 3.73 and NSS ESR 3.68.1. […]
The post BigSig: Vulnerability in Mozilla NSS Could Allow Code Execution when Handling Certificates appeared first on Linux Today.
After a year of development, a new stable branch of the Wireshark 3.6 network analyzer has been released. Recall that initially the project developed under the name Ethereal, but in 2006, due to a conflict with the owner of the Ethereal trademark, the …
Proper monitoring is an essential ingredient for the effective management of your overall IT infrastructure. A robust real-time monitoring solution like Zabbix provides detailed visibility of your network and application performance.
The post How to In…
This detailed tutorial addresses all the possible ways to find available network interfaces on Linux and Unix operating systems.
The post How To Find Available Network Interfaces On Linux appeared first on Linux Today.
This post summarises detailed information about ethernet splitter, its speed, and different FAQ to help you choose the best hardware.
The post Does an Ethernet splitter slow down speed? appeared first on Linux Today.
A static or fixed IP address is an IP address that does not change. Whether you reboot your device or home router, your device with a static IP address will get the same IP address. Here’s how to set a static IP address on your Ubuntu 20.04 insta…
There are tons of open-source network monitoring tools available for the Linux operating systems on the web. For example, you can use the iftop command to monitor bandwidth usage, the netstat command, or ss command to see reports on interface statistic…