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- Debugging C++ Linux console programs in the Visual Studio integrated terminal
- In preview, Visual Studio supports a fully-featured Linux terminal-like experience when debugging Linux applications using the Linux console embedded in the integrated terminal. This new Linux console emulates xterm and can support application screen operations. Recently, Visual Studio 202217.5 Preview 3 provides a new feature for Linux developers: debugging C++ Linux console programs in the Visual Studio integrated terminal. To learn more about the capabilities of the integrated terminal and how it works in Visual Studio, please refer to one of our previous articles: IntegratedT
- LINUX 804 2024-02-14 16:00:17
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- Understand the four major IO scheduling algorithms of the Linux kernel in one article
- The Linux kernel contains four types of IO schedulers, namely NoopIOscheduler, AnticipatoryIOscheduler, DeadlineIOscheduler and CFQIOscheduler. Typically, disk read and write latency is caused by the head moving to the cylinder. In order to solve this delay, the kernel mainly adopts two strategies: caching and IO scheduling algorithms. Scheduling Algorithm Concepts When a block of data is written to or read from a device, the request is placed in a queue waiting for completion. Each block device has its own queue. The I/O scheduler is responsible for maintaining the order of these queues to utilize the media more efficiently. The I/O scheduler will unordered I/O
- LINUX 1222 2024-02-14 15:30:13
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- Installation of 82599 network card driver under CentOS 7 and installation of CentOS 7 on Dell PowerEdge 2288H V5 server
- LINUX is an open source operating system that is widely used in servers and embedded devices. In the server field, CentOS is a very popular LINUX distribution, and 82599 is a common high-performance network card. This article will introduce how to Install the 82599 network card driver under CentOS7, and explain in detail the steps and precautions for installing CentOS7 on the DellPowerEdge2288HV5 server. Installation of 82599 network card driver under CentOS7 1. Confirm that your CentOS7 system has been installed correctly and is in the latest status. You can use the following command to confirm the system version and update status: ```cat/etc/redhat-rele
- LINUX 958 2024-02-14 15:03:06
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- Text processing artifact under Linux: Detailed explanation of AWK command
- Do you often need to process various text files under Linux, such as logs, configurations, data, etc.? Do you want to quickly filter, analyze, count, format, etc. text files? Do you know what AWK is and how it allows you to easily process text files under Linux? If you are interested in these questions, then this article is for you. This article will introduce the basic concepts of AWK, syntax, parameters, variables, functions, process control, etc., as well as examples of how to use AWK commands for various text processing under Linux. Description This article is intended to provide a detailed guide for Linux beginners who want to learn about the awk command. Content includes historical background, usage, common and advanced parameters, and practical examples. calendar
- LINUX 1119 2024-02-14 14:10:02
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- How to install OSSEC in CentOS and how to install the wireless network card
- LINUX is an open source operating system. It has the advantages of high stability, good security, and free of charge, so it is widely used on servers and personal computers. CentOS is a distribution of LINUX, which is based on the Red Hat Enterprise Linux (RHEL) source Code built, so it has the same stability and security as RHEL. Installing OSSEC and wireless network cards on CentOS is a common requirement. This article will detail how to install OSSEC and wireless network cards on CentOS. CentOS installation OSSEC1. Make sure your CentOS system is connected to the Internet and has root permissions. 2. Open a terminal and run the following command to install OSSE
- LINUX 823 2024-02-14 14:09:08
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- 'Technical Tips' Common debugging methods of Linux kernel
- One reason kernel development is more challenging than userspace development is that kernel debugging is very difficult. Kernel errors often cause system crashes, and it is difficult to retain on-site information at the time of the error. Therefore, the key to debugging the kernel is to have a deep understanding of the kernel. We have organized advanced embedded tutorials into categories for easy reference. Due to the large amount of content, only part of it is shown here. Preparation before debugging Before debugging a bug, the preparations we need to do are: there is a confirmed bug, including the kernel version number of the bug. We need to analyze in which version the bug was introduced. This is helpful for solving the problem. Great help. The binary search method can be used to gradually lock the bug introduction version number. The deeper the understanding of the kernel code, the better
- LINUX 1323 2024-02-14 14:06:03
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- Detailed guide to installing Debian 8.10 and installing Debian with Termux
- Debian is a popular Linux distribution known for its stability and strong community support. This article will guide you through the process of installing Debian8.10 and introduce how to install Debian in Termux. Through this article, you will learn how to set up System, install software packages and use Termux to build Debian environment. Install Debian8.101. Download the Debian8.10 image file. You need to download the Debian8.10 image file from the Debian official website. You can choose the version that suits your hardware architecture, such as 32-bit or 64-bit. 2. Make a bootable USB flash drive using a third-party tool, such as Rufus or Etcher, which will download
- LINUX 1043 2024-02-14 14:00:15
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- Which Linux is the better CentOS alternative?
- AlmaLinux is an enterprise-level Linux distribution built on RHEL. Here are some reasons to choose AlmaLinux as a CentOS alternative. CentOS will expire in June 2024. As of 2022, it powers numerous servers around the world, and in fact, it became one of the most popular Linux server distributions back in 2010. CentOS is based on Red Hat Enterprise Linux (RHEL), then a trusted Linux operating system powering enterprise desktops and servers. The news of the end of life of CentOS has attracted widespread attention. Organizations and administrators using the operating system
- LINUX 630 2024-02-14 13:54:24
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- Minimize installation of Debian and Debian 11: streamline the system and optimize the experience
- When installing Debian or Debian11, choosing a minimal installation can provide us with a streamlined and efficient system environment. A minimal installation usually only contains the basic components of the operating system and does not include additional applications or services, which can reduce System resource usage and potential security risks. This article will introduce in detail how to minimize the installation of Debian and Debian11, and share some relevant Linux knowledge. Minimize Installation of Debian To perform a minimal installation of Debian, you can follow the steps below: 1. Download the Debian installation image: Visit the Debian official website and download the installation image suitable for your hardware architecture. 2. Create installation media: download the
- LINUX 1249 2024-02-14 13:54:20
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- How to find parent process PPID in Linux?
- The process created by the kernel is called the "parent process". A process that is forked or spawned from a parent process is called a "child process". A parent process may consist of multiple child processes, each with a unique PID (Process ID) but sharing the same PPID. In this guide, we explore the various methods you can use to find the parent process ID (PPID) or process on your Linux system. What is the difference between PID and PPID? A program loaded into memory and run is called a process. Once started, a process is assigned a unique number, called a process ID (PID), that uniquely identifies it in the system. The process can be referenced at any time using its PID. For example, to kill a process, you must first know its PID. In addition to a PID, each process is assigned
- LINUX 1007 2024-02-14 13:42:22
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- The screen goes black after deepin linux installation
- Black screen after linux installation As a LINUX enthusiast, you may encounter a black screen after installing Deepin LINUX or other LINUX distributions. This situation may make you feel confused and overwhelmed, but don’t worry, this article You will be provided with some possible solutions. There may be many reasons for the black screen after Deepin LINUX is installed. Some of the possible reasons include incompatible graphics card drivers, incorrect resolution settings, X server configuration issues, etc. In order to solve this problem, you can try the following methods: Check your graphics card Check whether the driver is compatible with your LINUX distribution. If not, you need to install the correct driver. Try adjusting the resolution setting to make sure it matches your monitor. Check X server
- LINUX 466 2024-02-14 13:39:08
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- Detailed explanation of CentOS program installation and installation location
- In the CentOS system, the installation and management of programs mainly rely on package managers, such as yum or dnf. These tools allow users to retrieve, install, update and delete software packages from the software repository. This article will introduce in detail how to install programs on CentOS. Method and location after the program is installed. 1. Program installation method On CentOS, you can use the following methods to install the program: (1) Use the yum command to install: ```shellsudoyuminstallpackage_name``` (2) Use the dnf command to install (CentOS8 and above use dnf by default): sudodnfinstallpackage_name When executing the above command
- LINUX 988 2024-02-14 13:30:08
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- Debian installation kernel and Debian installation kernel first header file
- Preface LINUX, this open source operating system, has always provided a stable and powerful environment for developers around the world. Whether it is servers, embedded devices, or even supercomputers, Linux plays a key role. In order to meet the needs of different To meet the needs, we often need to customize and install the Linux kernel. We will take the Debian system as an example to discuss how to install the kernel and kernel header files. Debian Installing the Kernel In a Debian system, installing a new kernel is relatively straightforward and can be done through the apt command. You need to update your package list. Run the following command: ```sqlsudoapt-getupdate```. You can use the following command to install the new kernel. Kernel: s
- LINUX 415 2024-02-14 13:24:08
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- What you don't know about crontab under Linux
- In actual work, various problems may occur with crontab. Below we will delve into the problems that are prone to occur in crontab in specific work and the methods to solve these problems. 1. Functions of crontab crond is a daemon process that is used to perform tasks periodically or wait for certain events to be processed under Linux. It is similar to scheduled tasks under Windows. When the operating system is installed, this service tool will be installed by default and the crond process will be automatically started. The crond process regularly checks every minute whether there is a task to be executed, and if so, the task is automatically executed. Task scheduling under Linux is divided into two categories: system task scheduling and user task scheduling. System task scheduling: system periodicity
- LINUX 931 2024-02-14 13:10:03
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- Install licode on CentOS and install virtual machine on CentOS
- CentOS is a Linux-based operating system that is widely used in server and virtual machine environments. In this article, we will discuss how to install licode and configure virtual machines on CentOS. CentOS installation licode1. Make sure you have installed the CentOS operating system and have administrator rights. 2. Open a terminal and enter the following command to update system packages: sudoyumupdate3. Install git and other dependencies: sudoyuminstallgitautoconflibtoolautomakebuild-essential4. Download the source code of licode: gitclone5. Enter li
- LINUX 565 2024-02-14 13:09:26
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