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How to use the command line to manage Wi-Fi networks in Linux and improve wireless connection efficiency
When we use Linux systems for network connections daily, we are usually accustomed to using graphical interfaces to manage Wi-Fi networks. However, when we need to use remote SSH or connect wirelessly without a desktop environment, relying solely on graphical tools is no longer enough. Therefore, in this article, we will introduce to you how to use the command line to manage Wi-Fi networks in Linux, which can help us better deal with various network connection problems and improve wireless connection efficiency. Project requirements: The user enters the wifi name and password on the web side, and the client can conduct connection technology research through the information sent by the server: I mentioned the nmcli command before, and this time he came to connect again: nmclidevicew
Feb 14, 2024 pm 12:09 PM
Where to set up the firewall on win10 computer
Where to turn off the Win10 firewall? After entering the Win10 control panel, enter -, and then click on the left, as shown in the figure below. Method 1: First turn on the computer, then right-click the "Network" icon and select "Properties" in the pop-up page. After opening, select "Windows Firewall", then select "Enable or turn off Windows Firewall", and finally directly select "Turn off Windows Firewall (not recommended)" and click "OK". Open settings and enter the settings page. Find Update & Security and click to enter. On the next page, there will be Windows Security Center. After clicking, the firewall and network protection will appear. After clicking Firewall and Network Protection, these three options will appear.
Feb 14, 2024 am 08:18 AM
Ubuntu server configuration and ubuntu server configuration ssh
In the Internet era, servers play a very important role and provide us with a variety of services. Ubuntu is a very popular Linux operating system that can be used to configure and manage servers. This article will introduce how to configure and manage servers on Ubuntu servers. Configure and detail how to configure SSH (SecureShell) to ensure secure remote access. Ubuntu server configuration Ubuntu server configuration refers to a series of settings and optimizations on the server after installing the Ubuntu operating system to ensure the normal operation and security of the server. We need to update the packages and system on the server. Use the following command to update the package list and install available updates: ```sud
Feb 14, 2024 am 08:18 AM
Ulauncher: An application launcher that makes Linux terminals more efficient
The Linux terminal is a powerful tool that allows you to perform a wide variety of tasks and commands. However, if you want to quickly launch or search for apps, files, websites, or other content, you may find the terminal not convenient and friendly enough. Is there an app launcher that allows you to easily access what you need in Terminal? The answer is yes, that is Ulauncher, which is a super practical application launcher in the Linux terminal. Ulauncher: More than just an application launcher Ulauncher is a completely free and open source application launcher for Linux-based operating systems. Written in Python, using the GUI GTK+ toolkit. It is also simple and lightweight
Feb 14, 2024 am 08:00 AM
Xiaosi LINUX shares: Debian installation of iobroker and Debian installation of SSH and enabling SSH service
Hello everyone, I am, today I will share with you how to install iobroker on Debian system and how to install and start SSH service. These steps are very important for Linux system administrators because they involve the security of the system. and remote access, let’s get started! Debian installation iobroker1. Open the terminal and update the package list with the following command: ```sqlsudoaptupdate``` 2. Install Node.js and npm (the package manager for Node.js): sudoaptinstallnodejsnpm3. Install iobroker: npminstall-giobroker
Feb 13, 2024 pm 11:12 PM
Virtual machine migration to mac?
Introduction: Today, this site will share with you the relevant content about virtual machine migration to Mac. If it can solve the problems you are facing now, don’t forget to pay attention to this site and start now! Does cloning a virtual machine require re-virtualization of the mac addresses of all network cards? Because of cloning a virtual machine, VMware only modified the name of the virtual machine and other information, but did not change the data in the virtual hard disk. This causes the MAC address of the network card to be inconsistent with the MAC address recorded in the operating system after cloning, causing eth0 to fail to start. Open the virtual machine on your computer, enter the main page, and click the "File" option in the upper left corner. In the menu that opens, select the "Open" option. In the window that opens, find the virtual machine whose MAC address needs to be modified and click the Open button at the bottom. in virtual
Feb 13, 2024 pm 10:54 PM
CentOS 7.9 installation and centos 7.9 installation ssh
CentOS7.9 is a very commonly used operating system version when building servers or system management. This article will provide you with detailed steps and instructions for installing CentOS7.9 and installing SSH. CentOS7.9 is a free and open source Linux operating system. It is a binary compatible version based on Red Hat Enterprise Linux (RHEL). The following are the steps to install CentOS7.9: 1. You need to download the ISO image file of CentOS7.9. You can download it from Download the latest CentOS7.9 ISO image file from the CentOS official website. 2. Create a new virtual machine or physical machine on your computer and install
Feb 13, 2024 pm 10:30 PM
The secret of tracking network routing, Linux routing detection skills revealed!
As a Linux administrator, have you ever encountered problems such as poor network connection and high latency? Have you ever wanted to learn more about network route tracing and detection techniques to better troubleshoot problems? If so, then you must learn routing detection skills under Linux! In this article, we will introduce in detail how to use Linux command line tools to quickly and easily perform route tracing and detection. linux view network routing Every computer connected to a network requires some kind of routing specification for the network's TCP/IP packets as they leave the local host. This is usually very simple since most network environments are very simple and there are only two options for leaving packets. All packets are sent to devices on the local network or to other remote networks
Feb 13, 2024 pm 10:27 PM
A Linux Admin's Helper: Seven Tools to Simplify and Automate Tasks
Linux system management is a complex and tedious task, which involves many aspects, such as installation, configuration, monitoring, maintenance, backup, recovery, etc. Linux system administrators need to master a lot of knowledge and skills, and they also need to spend a lot of time and energy. Are there any tools that can help Linux system administrators simplify and automate tasks? The answer is yes. This article will introduce seven tools that can help Linux system administrators simplify and automate tasks. Puppet is an open source tool designed to greatly simplify automation and reporting for system administrators. It is basically a configuration management software that helps configure and maintain servers and other systems in corporate networks. System administrators typically spend a large amount of time each day repeating
Feb 13, 2024 pm 09:48 PM
Check whether the Linux system is running on a virtual machine or a physical machine
In addition to local development, most of our daily use of Linux is to connect to remote servers through ssh, such as system deployment, operation and maintenance, etc. In the current environment where virtualization is very mature, most of the systems we deploy run in virtual machines. But some of them are on physical machines. So, how to distinguish whether our system is running on a virtual machine or a physical machine? Let’s discuss this issue in detail below. There are several commands that can be used to distinguish whether the system running environment is a virtual machine or a physical machine. 1. Use the dmidecode command to distinguish between a virtual machine and a physical machine. The easiest way is to use the dmidecode command. As shown below: sudodmidecode-ssystem-ma
Feb 13, 2024 pm 06:12 PM
How to view all currently logged in users in Linux system
Today we will briefly introduce several methods to list logged in users in a Linux system. In a multi-user Linux system, sometimes there is a need to query the users currently logged in to the system. For example, a user needs to be logged out for some reason. Today we will briefly introduce several methods to list logged in users in a Linux system. Among the methods we have introduced, almost all commands rely on data that exists in the /var or /proc directory. If you know anything about directory structure in Linux, you will know that these two directories contain data about the processes running on the system. 1. Use the w command to view the logged-in users in the Linux system. This is the simplest method. You only need to type a letter command to query the current username.
Feb 13, 2024 am 10:39 AM
A Linux command artifact running on Windows-Cmder
1. Introduction Many engineers are accustomed to using Linux to issue some commands, and it is simply unbearable to use Windows cmd again. To run Linux commands on Windows, the currently popular methods include: GunWin32, Cygwin, WSL (BashonWindows), GitBash, and PowerShell. WSL: Cygwin: GitBash: PowerShell or simply install a virtual machine and install ubuntu inside it. Today, I will introduce to the students a god-level command line tool for Windows - Cmder. 2. CmderCmder is a command line tool for Windows.
Feb 13, 2024 am 09:57 AM
Backup is that simple: teach you how to use Linux rsync command easily
In daily use of modern computers, data backup is particularly important. For Linux users, the rsync command is a common method for backing up and synchronizing files. It enables fast and efficient data synchronization between different systems or local folders. Solution background: Data synchronization is required between server A and server B (either 1-to-1 or many-to-many, here is a simple 1-to-1 example). This solution is often used for remote disaster recovery. There are roughly two types of synchronization solutions based on application scenarios, scheduled synchronization and real-time synchronization. Scheduled synchronization has the characteristics of fixed synchronization time, poor real-time performance, and low resource consumption; real-time synchronization has the characteristics of strong real-time performance, intensive synchronization, and high resource consumption. 1. Scheduled synchronization 1. Install software: yuminstallr
Feb 13, 2024 am 09:33 AM
Use Linux AWK commands to make data processing more efficient!
In Linux systems, we often need to process and analyze data in various formats. At this time, a simple and powerful tool comes in handy - AWK. AWK is a text processing tool that can quickly process text files and is very suitable for various tasks such as log analysis, data extraction, and statistical reports. In this article, we will introduce you to the basic usage and common application scenarios of AWK, so that you can easily master this data processing tool. 0. Basic usage awk is a powerful text analysis tool. Simply put, awk reads the file line by line. (Space, tab) is the default delimiter to slice each line, and then perform various analyzes on the cut parts. The format of processing awk command is as follows awk[-Ffield
Feb 13, 2024 am 08:48 AM
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