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- 109 practical shell script examples, the code is clear and easy to use!
- Shell scripts use the command interpretation function of Shell to parse a plain text file and then execute these functions. It can also be said that a Shell script is a collection of a series of commands.
- Linux Operation and Maintenance 1408 2023-08-02 15:25:05
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- Linux network packet capture analysis tool
- The tcpdump command can list the headers of data packets passing through the specified network interface, and can completely intercept the "headers" of data packets transmitted on the network for analysis. It supports filtering for network layer, protocol, host, network or port, and provides logical statements such as and, or, not to help you extract useful information.
- Linux Operation and Maintenance 2266 2023-08-02 15:23:26
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- The most complete collection of Linux commands, recommended to collect! ! !
- Compared with Linux, many management and controls require commands to operate. Windows operates in an intuitive and visual way, which is particularly suitable for operating and executing corresponding software on desktop PCs.
- Linux Operation and Maintenance 1068 2023-08-02 15:19:26
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- How to Use Linux for System Resource Limitation and Control
- How to use Linux to limit and control system resources. In Linux systems, we often need to limit and control system resources to ensure the stability and security of the system. This article will introduce how to use Linux's built-in resource control mechanism to limit and control the use of system resources. We will focus on two commonly used tools, cgroup (controlgroup) and ulimit, as well as their usage examples. 1. cgroupcgroup is provided by the Linux kernel
- Linux Operation and Maintenance 1956 2023-08-02 14:14:42
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- How to use Linux for package management and updates
- How to use Linux for software package management and updates Introduction: In the Linux operating system, software packages are the basic unit for installing, upgrading, and managing software. A software package management system can easily manage software packages on your system and ensure system stability and security. This article will introduce in detail how to use Linux for software package management and updates, and provide code examples. 1. Introduction to package management system In Linux, different distributions use different package management systems. For example, Debian and Ubuntu
- Linux Operation and Maintenance 1425 2023-08-02 12:24:34
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- How to use Linux for memory management and optimization
- How to use Linux for memory management and optimization [Introduction] In Linux systems, memory management and optimization is a very important topic. Properly managing memory can improve system performance and stability, while memory optimization can maximize the use of system memory resources. This article will introduce how to use Linux for memory management and optimization, and provide some practical code examples. [1. Memory Management] 1.1 View memory information In Linux systems, you can view the system’s memory information through the command "free"
- Linux Operation and Maintenance 1395 2023-08-02 11:23:04
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- How to use Linux to troubleshoot and repair your system
- How to use Linux for system troubleshooting and repair Introduction: When using Linux systems, we often encounter various faults and problems. This article will introduce some common system troubleshooting and repair methods to help readers better solve various system problems. 1. Common system troubleshooting methods View the system log: The system log is an important tool for recording system operation. It contains detailed information about various system events. We can use the command "sudotail -f /var/log/messag
- Linux Operation and Maintenance 2918 2023-08-02 11:06:21
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- How to use Linux for backup and recovery
- How to use Linux for backup and recovery Backup and recovery are issues we often need to deal with in our daily use of computers. In Linux systems, we can use some powerful commands and tools to effectively perform backup and recovery operations. This article will introduce you to how to use Linux systems for backup and recovery, with some code examples. 1. Backup Use the tar command for file backup. The tar command is one of the commonly used backup tools in Linux. It can package files and directories in a specified directory into one file.
- Linux Operation and Maintenance 2832 2023-08-02 10:29:11
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- How to use Docker to build a highly reliable distributed system architecture?
- How to use Docker to build a highly reliable distributed system architecture? Summary: Docker is currently the most popular containerization platform that can help us easily build and deploy applications. This article will introduce how to use Docker to build a highly reliable distributed system architecture, and elaborate on the implementation method through code examples. Set up a Docker environment First, we need to install Docker on each server to be able to run containerized applications. You can install it according to the steps provided in the official documentation, or by using
- Linux Operation and Maintenance 931 2023-08-02 10:17:33
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- How to parse and extract logs through Linux command line tools?
- How to parse and extract logs through Linux command line tools? Overview: Logs are important information records generated during the running of systems and applications. By parsing and extracting logs, we can help us troubleshoot problems, analyze system status, monitor performance, etc. In Linux systems, we can use command line tools to process logs. This article will introduce some commonly used Linux command line tools and how to use them for log parsing and extraction. grep command: grep command is a powerful text search tool
- Linux Operation and Maintenance 1383 2023-08-02 09:53:21
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- Docker container network under Linux: How to set up network connections and communication between containers?
- Docker container network under Linux: How to set up network connections and communication between containers? When using Docker for application deployment, network connection and communication between containers is a very important issue. This article will introduce how to set up a container's network connection in a Linux environment and provide some common code examples. There are multiple network modes to choose from in Docker, the three most commonly used ones are: bridge mode, host mode and Overlay network mode. In bridge mode, Docker will
- Linux Operation and Maintenance 1851 2023-08-01 18:41:22
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- 109 practical shell script examples, the code is clear and easy to use!
- Shell scripts use the command interpretation function of Shell to parse a plain text file and then execute these functions. It can also be said that a Shell script is a collection of a series of commands.
- Linux Operation and Maintenance 2018 2023-08-01 17:43:44
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- Don't know how to use Linux firewall software IPtables! What kind of operation and maintenance person are you?
- Connection tracking is the basis of many web applications. For example, Kubernetes Service, ServiceMesh sidecar, software four-layer load balancer LVS/IPVS, Docker network, OVS, iptables host firewall, etc., all rely on the connection tracking function.
- Linux Operation and Maintenance 1538 2023-08-01 17:36:23
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- The most commonly used Linux commands: can solve more than 95% of problems!
- In Linux systems, every user belongs to at least one user group. Each user group in the Linux operating system has a unique identifier GID. When using the command to create a user group, if the GID of the user group is not specified, the system will automatically assign it a GID.
- Linux Operation and Maintenance 1696 2023-08-01 17:34:32
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- 34 Linux Shell scripts commonly used for operation and maintenance will definitely help you!
- As a Linux engineer, being able to write good scripts can not only improve work efficiency, but also give you more time to do your own things. When I was surfing the Internet recently, I also paid attention to collecting some scripts written by big guys and summarized them.
- Linux Operation and Maintenance 1108 2023-08-01 17:27:03
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