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- How to build a highly available MySQL container cluster on Linux?
- How to build a highly available MySQL container cluster on Linux? With the rise of cloud computing and container technology, more and more enterprises are beginning to use containers to build applications. As one of the most commonly used relational databases, MySQL can also achieve high availability through containerization. In this article, we will introduce how to build a highly available MySQL container cluster on Linux and provide relevant code examples. Step 1: Prepare the environment. First, you need a Linux host to build a MySQL container cluster. Make sure the host
- Linux Operation and Maintenance 647 2023-08-01 10:13:15
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- Practical tips and techniques for log analysis under Linux
- Practical tips and technical summary of log analysis under Linux: Logs are important records generated during system operation and play an important role in troubleshooting and performance optimization. This article will introduce practical tips and techniques for log analysis in the Linux environment, including how to view log files, filter and search logs, use regular expressions for log processing, etc. At the same time, some code examples are also provided to facilitate readers' learning and practice. Introduction Log is a very important component in software development and system management, which can record the running process of the system.
- Linux Operation and Maintenance 761 2023-08-01 09:16:52
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- Linux and Docker: How to perform dynamic scheduling and load balancing of containers?
- Linux and Docker: How to perform dynamic scheduling and load balancing of containers? Introduction: With the widespread application of containerization technology, how to dynamically schedule and load balance containers has become an important issue. The Linux operating system and Docker containers can provide some solutions to achieve dynamic scheduling and load balancing of containers. This article will introduce some basic concepts and techniques, and provide code examples to demonstrate how to implement dynamic scheduling and load balancing of containers. 1. Dynamic scheduling of containers Dynamic scheduling of containers refers to the
- Linux Operation and Maintenance 944 2023-07-31 22:57:21
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- Log analysis and data visualization in Linux environment
- Log Analysis and Data Visualization in Linux Environment With the rapid development of computer systems, logs have become an important tool for us to understand the operating status of the system. In the Linux environment, various log files generated such as system logs, application logs, etc. record various information during system operation, such as error logs, access logs, performance logs, etc. However, these large amounts of log data are very time-consuming and inefficient for manual analysis. In this article, we will introduce how to use some powerful tools to analyze
- Linux Operation and Maintenance 1447 2023-07-31 21:01:18
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- Docker under Linux: How to ensure the security and isolation of containers?
- Docker under Linux: How to ensure the security and isolation of containers? With the rapid development of cloud computing and container technology, Docker has become a very popular containerization platform. Docker not only provides a lightweight, portable and scalable container environment, but also has good security and isolation. This article will introduce how to ensure the security and isolation of Docker containers under Linux systems, and give some relevant code examples. Use the latest Docker version Docker
- Linux Operation and Maintenance 1019 2023-07-31 19:24:22
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- Linux驱动 | debugfs接口创建
- 上篇介绍了procfs接口的创建，今天再介绍一种debugfs接口的创建。在/sys/kernel/debug/目录下创建一个ion/test文件，通过cat、echo的方式进行读写操作
- Linux Operation and Maintenance 1188 2023-07-31 17:39:45
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- How to use Docker to achieve rapid migration and remote management of containers on Linux?
- How to use Docker to achieve rapid migration and remote management of containers on Linux? Overview Docker is a commonly used containerization technology that enables rapid deployment and management of applications. In the Linux environment, the installation and use of Docker is relatively simple and can be operated through the command line or visual tools. This article will introduce how to use Docker to implement rapid migration and remote management of containers on Linux, and provide corresponding code examples. Docker installation and configuration First, you need
- Linux Operation and Maintenance 1116 2023-07-31 17:39:21
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- How to use Graylog for log analysis in Linux environment?
- How to use Graylog for log analysis in Linux environment? Overview: Graylog is a powerful open source log management and analysis tool that can help us collect, store and analyze log data in a Linux environment. In this article, we will provide a simple guide to help you use Graylog for log analysis in a Linux environment. Step 1: Install Graylog First, we need to install Graylog on the Linux server. The following is in Cen
- Linux Operation and Maintenance 1466 2023-07-31 17:21:11
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- Commonly used data structures and algorithms in the Linux kernel
- Linux kernel code makes extensive use of linked lists as a data structure. The linked list is a data structure created to solve the problem that arrays cannot be dynamically expanded. Elements contained in linked lists can be dynamically created and inserted and deleted. Each element of the linked list is stored discretely, so it does not need to occupy continuous memory. A linked list usually consists of several nodes. The structure of each node is the same and consists of two parts: a valid data area and a pointer area.
- Linux Operation and Maintenance 882 2023-07-31 17:06:30
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- Realize LED driver under Linux without typing a line of code!
- If you want to implement a device driver, you don't need to write a single line of driver code. Does this sound like a fantasy? But this is not unachievable, because kernel developers all over the world are very enthusiastic. As long as they can write drivers, they have basically written them. Today, we stand on the shoulders of giants and use drivers that have been written by kernel developers to achieve the functions we want. This article discusses LED drivers.
- Linux Operation and Maintenance 1427 2023-07-31 17:04:55
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- Linux driver IO article - mmap operation
- Usually when we write Linux drivers to interact with user space, we copy the data transferred from user space through copy_from_user. Why do we do this? Because user space cannot directly access kernel space data, they map different address spaces, so the data can only be copied over first and then operated.
- Linux Operation and Maintenance 933 2023-07-31 15:55:07
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- Kernel configuration knowledge that a Linux driver engineer must know
- There is a lot of Linux kernel source code, with thousands of configuration options, and the configuration is quite complicated. In order to better choose the functional configuration you want, the Linux kernel source code organizes a configuration system;
- Linux Operation and Maintenance 1397 2023-07-31 15:51:41
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- 5 pieces of advice that novices must listen to after joining the Linux driver position
- In addition to printk, there are many printing functions such as pr_info and pr_err in the kernel. You must learn to control the printing level and use different printing functions for different scenarios.
- Linux Operation and Maintenance 1178 2023-07-31 15:50:19
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- Basics of Linux kernel - container_of principle and practical application
- container_of is often seen in the Linux kernel, and it is also widely used in actual driver writing.
- Linux Operation and Maintenance 954 2023-07-31 15:46:13
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- Linux system debugging - stty changes the serial port baud rate
- After the Linux kernel is started, the baud rate of the serial port is usually 115200 or 9600. If you want to modify the baud rate of the serial port, you can do it through the stty command in the shell without modifying the driver code.
- Linux Operation and Maintenance 2866 2023-07-31 15:43:00
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