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- Practical combat | RISC-V Linux entry address 2M reserved memory optimization
- The previous article analyzed the page table creation for RISC-V Linux startup. It was mentioned that the RISC-V Linux entry address must be 2M aligned. Today I will talk about how to solve the 2M alignment problem, or how to optimize part of the memory.
- Linux Operation and Maintenance 1344 2023-08-01 15:37:59
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- The system obviously has a lot of memory, but it cannot allocate a large piece of memory?
- Today’s question: The system obviously has a lot of memory, but it can’t allocate a large piece of memory? Why is this? This problem involves an aspect of memory management - memory fragmentation.
- Linux Operation and Maintenance 1520 2023-08-01 15:37:08
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- A few tips you must know when compiling the Linux kernel
- To compile Linux, you usually only need to run make menuconfig to configure the modules to be compiled, and then run make. Linux defaults to local compilation, which means compiling the kernel used by the local machine. In embedded development, cross compilation is often required. To do cross compilation, you need to add macro definitions after the make command, such as cross compilation to the arm target.
- Linux Operation and Maintenance 1519 2023-08-01 15:30:06
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- Linux driver | Create sysfs interface in driver
- In some Linux development boards, you can often see the echo method to directly control the hardware or modify the driver. In fact, this is because the sysfs interface is provided in the driver for users to use, so that users can view it through cat or echo commands. and modify the values of some variables in the driver.
- Linux Operation and Maintenance 1476 2023-08-01 15:28:30
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- Linux driver | procfs interface creation
- The previous article introduced the creation of the sysfs interface in the Linux driver, and today we will introduce the creation of the procfs interface. procfs: can implement operations similar to cat /proc/cpuinfo.
- Linux Operation and Maintenance 1583 2023-08-01 15:26:10
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- How to use Docker containers for efficient development and testing on Linux?
- How to use Docker containers for efficient development and testing on Linux? Introduction: In the software development process, efficient development and testing are the keys to improving productivity and quality. The emergence of Docker container technology provides developers with a convenient, portable and low-cost development and testing environment. This article will introduce how to use Docker containers for efficient development and testing on Linux. We will cover the following aspects: using Docker to create development and test environments, publishing and sharing Doc
- Linux Operation and Maintenance 1305 2023-08-01 15:05:14
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- Recommended log analysis tools under Linux
- Recommended log analysis tools under Linux With the rapid development of the Internet, people generate more and more data in their daily lives. Server logs are an important part of the data, which record various activities and events during the operation of the server. It is very important for server administrators and developers to analyze and understand these logs to help them ensure the normal operation of the server and detect potential problems. In the Linux environment, there are many powerful log analysis tools that can help us process and analyze server logs. Book
- Linux Operation and Maintenance 2812 2023-08-01 10:41:36
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- Docker container monitoring under Linux: How to analyze and optimize the running efficiency of containers?
- Docker container monitoring under Linux: How to analyze and optimize the running efficiency of containers? Introduction: With the rapid development of container technology, more and more enterprises are beginning to use Docker to build and deploy applications. However, due to the characteristics of containers, container monitoring and performance optimization have become an important task. This article will introduce how to monitor and optimize the performance of Docker containers under Linux to improve the running efficiency of the containers. 1. Docker container monitoring tools: Under Linux, there are many tools
- Linux Operation and Maintenance 1495 2023-08-01 10:21:16
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- Docker and Linux: How to optimize container performance?
- Docker and Linux: How to optimize container performance? Introduction: With the rapid development of container technology, how to optimize the performance of containers has become the focus of container users and operation and maintenance personnel. This article will introduce some tips and strategies for optimizing container performance, focusing on how to use the features provided by Linux to optimize container performance when using Docker containers. 1. Use an appropriate base image. The base image is the starting point of the container. It determines the container environment and the versions of some basic components. Choosing a suitable base image is very important
- Linux Operation and Maintenance 1724 2023-08-01 10:19:58
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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 1031 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 1099 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 1213 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 1723 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 1270 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 1489 2023-07-31 17:39:45
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