When your Linux server experiences network connectivity issues, you need reliable tools and techniques to quickly identify and resolve the problem. This guide covers essential Linux commands for troubleshooting, including how to check network interfaces, test internet connectivity, and verify DNS records....
If you’re using the ifupdown plugin (for example, in Ubuntu and Debian), add the interface configuration to your /etc/network/interfaces file and then set the value of managed to false in the ifupdown section of the NetworkManager.conf file: 您可以通过使用插件告诉NetworkManager忽略某个接口。
We can configure network interfaces in Linux 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 on the system in-order to configure network settings ...
For example, if you’re sending data from Host A to Host B, as shown in Figure 9-1, your bytes leave the application layer on Host A and travel through the transport and network layers on Host A; then they go down to the physical medium, across the medium, and up again through the...
Besides built-in commands for monitoring system performance, Linux also supports advanced third-party tools, likeNmonandGNOME System Monitor. These applications provide graphical interfaces that allow users to analyze CPU usage data and identify potential issues in a user-friendly environment. ...
Nmap offers both CLI and GUI interfaces; the GUI is named Zenmap. It includes a lot of diverse choices to make rapid and efficient scans. Here’s how to install Nmap on Linux.sudo apt-get update sudo apt-get upgrade -y sudo apt-get install Nmap -y...
This document describes common Linux kernel parameters and how to view and modify them.Modify the kernel parameters only if the parameter settings affect your services. I
Need to check your IP address in Linux. We have 6 easy methods for you. Read our How to Check IP Address in Linux now
is a command-line utility for Linux systems that provides detailed information about the computer’s hardware components, such as CPU, memory, storage devices, network interfaces, and more. It gathers information from various sources, including the kernel, sysfs, and procfs, to generate a comprehen...
Reloading the network interfacesetc/network/interfacesin the Debian system help users fix network-related issues or apply new changes to the system. The users can check out each command mentioned in the above guidelines one by one and execute them in the terminal to reload the network interfaces...