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  • Linux Command Line Editing – The editing possibilities are endless!
    Linux Command Line Editing – The editing possibilities are endless!
    For Linux users, the command line editor is one of the essential tools. It can help you edit and process files quickly and improve work efficiency. However, for newbies, learning the command line editor can be somewhat difficult and challenging. Today, we will introduce several of the most popular and practical Linux command line editors to help you quickly master this skill. If you are using Linux or BSD, you most likely have ed installed by default (the GNU version of ed on Linux, and the BSD version of ed on BSD). However, some minimalist environments may not include ed, and that's okay. Your distribution's software repository will most likely have ed available for download. macOS has the BSD version installed by default
    LINUX 854 2024-02-15 08:00:23
  • Experience the power of PowerShell on Linux: A beginner's guide
    Experience the power of PowerShell on Linux: A beginner's guide
    PowerShell is a cross-platform command line tool and scripting language that allows you to easily manage and automate a variety of tasks. PowerShell was originally designed for Windows systems, but since the release of PowerShellCore 6.0 in 2016, it can run on Linux and macOS systems. PowerShellCore6.0 is an open source version based on .NETCore. It supports a variety of Linux distributions, including Ubuntu, Debian, CentOS, Fedora, etc. In this article, we will introduce how to install and use PowerShellCore6.0 on Linux,
    LINUX 981 2024-02-14 23:39:02
  • Detailed guide to install APT package manager AB and DEB packages on Debian systems
    Detailed guide to install APT package manager AB and DEB packages on Debian systems
    On Debian systems, APT (AdvancedPackageTool) is a powerful package management tool used to install, update and delete software packages. Debian software packages are packaged in DEB format and can be installed and managed using APT. In addition to APT, there are Some other package management tools, such as AB (AdvancedPackageToolBinary) and DPKG (DebianPackageManager), are also used to handle DEB packages. AB is the binary version of APT, providing similar functionality to APT, but using different command line parameters. AB is usually used to process compiled binary packages, while APT is used to process source
    LINUX 1068 2024-02-14 23:18:28
  • How to use vmstat command under Linux
    How to use vmstat command under Linux
    vmstat is the abbreviation of virtual memory statistics. It is a very useful monitoring tool under Linux. In addition to memory, it also provides additional information such as block IO and CPU time. The syntax of the vmstat command does not require special permissions and can be executed by ordinary users. The syntax is as follows vmstat[options][delay[count]]delay represents the data update interval in seconds. If this value is not specified, it represents the average time since the system started, and the result is only output once at this time. count represents the number of outputs. If this value is not specified, but the delay value is specified, it means that the result field description is unlimited on the command line.
    LINUX 850 2024-02-14 23:09:02
  • A complete guide to installing Debian and deb files under Windows
    A complete guide to installing Debian and deb files under Windows
    Installing Debian in Windows systems and installing deb files directly in Windows are ways for many Linux enthusiasts to explore dual systems or try new software. This article will detail the steps and precautions for these two installation methods. Installing Debian under Windows To install Debian in a Windows system, you usually need to use virtual machine software, such as VirtualBox. The following are the specific steps: 1. Download and install VirtualBox, which is a free virtualization software that can run on the same computer. Multiple operating systems. 2. Download the Debian ISO image file. You can find the download link on the Debian official website. 3. in
    LINUX 1584 2024-02-14 23:03:09
  • Daemons in Linux: How to write and use simple daemons
    Daemons in Linux: How to write and use simple daemons
    The daemon process is a special process in the Linux system. It runs in the background without a control terminal and is not subject to user interference. It is responsible for performing some system or application-related tasks and functions. The role of the daemon is to improve the stability and efficiency of the system to deal with some unexpected accidents or abnormalities. In embedded Linux devices, daemon processes can be used to protect the main process in the system and prevent it from ending abnormally, causing the system to completely crash and damaging the user experience. But, do you really understand the daemon process under Linux? Do you know how to write and use a simple daemon under Linux? This article will introduce you to the relevant knowledge of the daemon process under Linux in detail, so that you can better use and understand it under Linux.
    LINUX 683 2024-02-14 22:42:33
  • Search techniques for vim editor in Linux
    Search techniques for vim editor in Linux
    The vim editor is one of the most advanced text editors in Unix systems. It supports almost all file types and is also known as a programmer's editor. In this tutorial, we will learn how to perform search operations in the vim editor to quickly find the text we need. But before that, please note that all examples, commands, and instructions mentioned in this article were tested under Ubuntu14.04 and Vim7.4. Basic search operations in Vim When you open a file in Vim and want to search for a specific word or template, the first step is to exit insert mode by pressing the Esc key (if you are in insert mode) . Then type / followed by the word or search pattern you want to search for. For example,
    LINUX 563 2024-02-14 22:42:03
  • The secret of Linux system hard disk expansion: physical connection VS virtualization, which one is faster and easier?
    The secret of Linux system hard disk expansion: physical connection VS virtualization, which one is faster and easier?
    With the advancement of technology, computers have become an indispensable element in our daily lives. For computers, the performance of the hard disk is crucial to the fast operation of the overall system and the temporary storage of large amounts of data. Below, I, a seasoned system management expert, will conduct a detailed analysis and comparison on how to add a hard disk to a Linux system. 1. Add the background of the hard disk Hello! When the daily data volume gradually increases, it is necessary to upgrade the hard drive capacity to adapt. Introduction to the Linux operating system in the Linux system environment, you can add a hard disk through many methods, such as directly replacing the physical hard disk or using virtualization technology. 2. Physical device connection Physical device connection is one of the simple and conventional operation methods. For example, connect the
    LINUX 1237 2024-02-14 22:18:34
  • Linux - Shell script for automatically monitoring disk usage
    Linux - Shell script for automatically monitoring disk usage
    If you run critical tasks on a server, it's important to monitor disk usage and notify administrators when thresholds are reached. This article will show you how to write a script to automatically monitor disk usage and send a report to your mailbox when a threshold is reached. In this article, we will write a shell script that monitors disk usage at fixed intervals specified in crontab and sends the report via email when the report reaches the specified threshold. First, you need to ensure that the mail command and postfix mail sending service are installed on the system. The following is the command to install these tools in Centos8: [root@localhost~]#yum-yinstallmailxpostf
    LINUX 732 2024-02-14 22:18:03
  • Linux search startup tool Findex
    Linux search startup tool Findex
    Looking for an alternative application launch tool for your Linux? Then Findex is a product with a highly customizable interface and fast performance. The app runs silently in the background. After pressing the shortcut key, a search box will pop up in the center of the screen, allowing you to quickly search and open the desired application. This tool is very fast because it focuses on performance. It supports fuzzy search and allows configuring the following: Search window width. Minimize and maximize window height. The color to highlight matching content. How icon size, result size and shortcut keys are obtained The current 0.6.0 version of Findex does not work with Waylandsession, but it is said that it will be restored in a future version. This means that so far, Ubuntu
    LINUX 1081 2024-02-14 21:57:02
  • Virtual addresses and physical addresses under Linux: concepts, conversions and applications
    Virtual addresses and physical addresses under Linux: concepts, conversions and applications
    In Linux systems, memory management is a very important topic, which involves aspects such as program operation, performance and security. A core concept in memory management is virtual address and physical address, which represent the logical view of a program and the actual layout of memory, respectively. The conversion between virtual addresses and physical addresses is a key process of memory management. It allows programs to better utilize memory resources and improve memory access efficiency and protection. But, do you really understand virtual addresses and physical addresses? Do you know their definitions, characteristics and differences? Do you know how to convert between virtual and physical addresses under Linux? This article will introduce you to the relevant knowledge of virtual addresses and physical addresses under Linux in detail, allowing you to
    LINUX 793 2024-02-14 21:54:02
  • Interpret the use of pwd and dirs directory viewing commands in Linux
    Interpret the use of pwd and dirs directory viewing commands in Linux
    The Linux system is an operating system based on files and directories, which allows users to create, modify, delete files in different directories. However, when you switch between multiple directories, do you feel lost and don't know what directory you are currently in? The Linux system provides two simple and convenient commands that allow you to quickly locate the current working directory, namely pwd and dirs. This article will introduce the use of pwd and dirs directory viewing commands in Linux, including the meaning, format, parameters, examples, etc. of the commands. pwd displays the current directory -L, –logical displays the current directory –P, –physical displays the actual physical address of the current directory –help
    LINUX 506 2024-02-14 21:51:02
  • Master the Linux command word count (wc)!
    Master the Linux command word count (wc)!
    As one of the most commonly used commands in Linux systems, wordcount (wc) plays an important role in text processing and statistics. Whether you are a beginner or an experienced Linux administrator, it is important to master the wc command. This article will introduce in detail how to use the wc command and its application in Linux systems. The main parameters and common parameters are as follows: -c counts the number of bytes. -l counts the number of lines. -m counts the number of characters. This flag cannot be used with the -c flag. -w counts word count. Note that the words here refer to strings separated by spaces, newlines, etc. Let's look directly at a few examples. Statistics of file lines, words and bytes $wctest.txt117test.tx
    LINUX 831 2024-02-14 21:50:12
  • Linux Kernel 6.4 officially released, the latest and greatest kernel series
    Linux Kernel 6.4 officially released, the latest and greatest kernel series
    Linus Torvalds today released Linux 6.4, a major update to the latest and greatest kernel series for the Linux operating system, bringing better hardware support and new features. Highlights of Linux Kernel 6.4 include IntelLAM (Linear Address Masking) support, user tracking events, Machine Owner Key (MOK) for storing CA-enforced machine keyrings only, LoongArch support for nolibc library, F2FS file system Partitioned device support, as well as hibernate support for Svnapot extensions and RISC-V architecture. The io_uring subsystem has been improved to be able to perform multiple direct I/O writes to files simultaneously (currently only
    LINUX 809 2024-02-14 21:45:30
  • What functions of the df command you don't know under Linux
    What functions of the df command you don't know under Linux
    Question: I want to use df command on Linux to check disk usage space. Can you give me some specific examples of the df command so I can make better use of it? On Linux, if you want to know how much space a specific file system takes up, or how much space is available for a specific file system, you can use the df command. The df command is a command that displays the available disk space of the file system for each filename parameter. If you do not specify any file names, the output will show the available space for all currently mounted file systems. By default, df displays disk space in 1K blocks. Linux has many command line or graphical interface tools that can tell you detailed information about current disk space usage, such as
    LINUX 1118 2024-02-14 21:39:15

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