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Technical Articles

Operation and Maintenance

Linux Operation and Maintenance

How to use Linux for user and permission management

How to use Linux for user and permission management Introduction: In the Linux operating system, user and permission management is a very important part. Properly managing users and permissions can ensure the security and stability of the system. This article will introduce how to use Linux for user and permission management, and attach some code examples for reference. 1. Create a user. To create a user in Linux, you can use the useradd command. Here is the sample code to create a user named user1: sudouseraddu

Aug 03, 2023 am 11:39 AM

Linux权限管理 Linux用户管理 Linux用户权限

How to use Linux for package installation and updates

How to use Linux to install and update software packages 1. Introduction Linux is a common operating system that is famous for its high flexibility, security and stability. In Linux, the installation and updating of software packages is a very important task. This article will introduce how to use Linux to install and update software packages, and provide some code examples for reference. 2. Software package manager In Linux systems, commonly used software package management tools include: Debian and its derivatives (such as Ubuntu

Aug 03, 2023 am 11:33 AM

Linux 软件包安装

How to use Linux for CPU utilization optimization

How to use Linux for CPU utilization optimization Summary: In Linux systems, optimizing CPU utilization can improve system performance and resource utilization efficiency. This article will introduce some common CPU utilization optimization techniques and give corresponding code examples. 1. Use the process scheduling algorithm to modify the process scheduling policy: The Linux system uses the completely fair scheduling (CFS) algorithm by default, and the scheduling policy can be modified according to actual needs. For example, setting the process scheduling policy to the real-time scheduling (RT) algorithm can allocate

Aug 03, 2023 am 09:06 AM

Linux CPU 优化

How to use Linux for network service configuration and optimization

How to use Linux for network service configuration and optimization Introduction: In today's Internet era, network service configuration and optimization is one of the important links to improve system performance and security. As a popular operating system, Linux has a wealth of network service tools and functions that can help us achieve efficient network service configuration and optimization. This article will introduce some commonly used Linux network service configuration and optimization techniques, and provide corresponding code examples. 1. Network service configuration Configure the network interface First, we need to configure the system’s network

Aug 02, 2023 pm 11:57 PM

网络 Linux 优化配置

How to use Linux for system performance tuning and monitoring

How to use Linux for system performance tuning and monitoring Introduction: Linux is an open source operating system that is widely used in server environments and embedded devices. When using Linux for system performance tuning and monitoring, we can achieve this through some simple commands and tools. This article will introduce some commonly used Linux performance tuning and monitoring methods, as well as related code examples. 1. CPU performance tuning and monitoring View CPU information Use the command "lscpu" to view CPU related information, including model

Aug 02, 2023 pm 11:12 PM

监控 Linux 性能调优

How to use Linux for CPU performance tuning

How to use Linux for CPU performance tuning Introduction: With the continuous development of computer technology, CPU performance tuning has become the focus of many system administrators and developers. The Linux operating system provides powerful tools and commands to help us tune CPU performance. This article will introduce several common methods and techniques and provide corresponding code examples. 1. Check the CPU information. Before starting CPU performance tuning, we first need to understand the CPU information in the current system. We can view the CP with the following command

Aug 02, 2023 pm 10:08 PM

Linux CPU 性能调优

How to use Linux for disk IO performance tuning

How to use Linux to tune disk IO performance. When using Linux systems to tune disk IO performance, you can improve disk IO performance by optimizing the file system, adjusting the IO scheduler, and properly configuring RAID. This article describes these methods and provides corresponding code examples. 1. Optimize the file system and use the ext4 file system. ext4 is one of the most commonly used file systems on Linux systems. It has high performance and stability. The disk can be promoted by formatting the file system to ext4

Aug 02, 2023 pm 09:49 PM

Linux 磁盘IO 性能调优

How to build a safe and reliable container orchestration platform on Linux?

How to build a safe and reliable container orchestration platform on Linux? Introduction: Container technology has been widely used and developed in recent years, and its emergence has made application deployment and upgrades more flexible and efficient. The container orchestration platform can further improve the automation and reliability of container management. This article will introduce how to build a safe and reliable container orchestration platform on Linux and provide relevant code examples. Install DockerDocker is an open source container engine that can automatically package applications in containers.

Aug 02, 2023 pm 09:27 PM

Linux 容器编排安全可靠

How to use Linux for system security auditing and monitoring

How to use Linux for system security auditing and monitoring Introduction: With the rapid development of the Internet and the continuous advancement of technology, system security issues are becoming more and more important. In order to ensure the stability and security of the system, system administrators need to conduct routine security audits and monitoring. As a stable, reliable, and open source operating system, Linux provides a wealth of tools and functions that can help administrators conduct system security auditing and monitoring. This article will introduce how to use Linux for system security auditing and monitoring, as well as some commonly used code examples

Aug 02, 2023 pm 09:25 PM

监控 Linux 审计

Log backup and archiving practices in Linux environment

Overview of log backup and archiving practices in Linux environment In modern computer systems, logging is very important. For system administrators and developers, log files are an important basis for troubleshooting problems and analyzing system operation. However, over time, log files grow in size and need to be backed up and archived to save storage space and ensure long-term retention of the log files. This article will introduce the practice of using Shell scripts and tools to implement log backup and archiving in a Linux environment. Log backup is in Li

Aug 02, 2023 pm 08:30 PM

Linux环境日志备份归档实践

How to use Linux for process management and tuning

How to use Linux for process management and tuning In the Linux operating system, process management and tuning are very important tasks. By effectively managing processes, we can improve system performance and ensure stable operation of the system. This article will introduce how to use Linux for process management and tuning, and provide code examples. 1. Process management 1. View running processes. To view running processes, we can use the ps command. The following are some commonly used ps command options: ps-ef: display details of all processes

Aug 02, 2023 pm 08:12 PM

Linux进程管理 Linux进程调优使用Linux管理进程

How to use Linux for network bandwidth optimization

How to use Linux for network bandwidth optimization Optimizing network bandwidth is the key to improving network transmission speed and quality. In Linux systems, there are many methods that can help us optimize network bandwidth. This article will introduce some common methods and attach corresponding code examples. Adjusting Kernel Parameters Adjusting Linux kernel parameters can improve network performance. The following are some commonly used parameters and sample codes: a) Modify the TCP window size The TCP window size determines the speed of sending and receiving data. By increasing the TCP window size, you can

Aug 02, 2023 pm 06:57 PM

网络优化网络带宽优化：Linux

How to use Linux for memory usage optimization

How to use Linux to optimize memory usage In daily system management and operation and maintenance work, optimizing memory usage is an important and common task. This article will introduce how to use Linux systems to optimize memory usage, with code examples. First, we need to understand the basic concepts and components of memory in Linux systems. Linux systems divide memory into several different areas, including user space and kernel space. User space is used to run user applications, while kernel space is used to run operating system

Aug 02, 2023 pm 06:55 PM

- Linux (操作系统) - 内存 (memory) - 优化 (optimization)

How to use Linux for file system management and optimization

How to use Linux for file system management and optimization In daily work and study, file system management and optimization are very important. As a powerful operating system, Linux provides a wealth of tools and commands that can help us better manage and optimize the file system. This article will introduce some commonly used Linux file system management and optimization techniques, with corresponding code examples. 1. Disk space management Check the disk space usage. We can use the df command to check the disk space usage of each partition in the system.

Aug 02, 2023 pm 06:21 PM

Linux文件管理文件系统优化 Linux优化技巧