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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 1677 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 1474 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 1246 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 3285 2023-07-31 15:43:00
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- Very useful speed optimization: make the system start faster
- In embedded products, system startup speed is a key indicator. Optimizing system startup speed is usually called "quick start". To optimize the system startup speed, you must first know how to count the system startup time. The following introduces several methods for counting kernel startup time, as well as several methods for optimizing kernel startup speed.
- Linux Operation and Maintenance 2103 2023-07-31 15:11:23
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- The first lesson after becoming a drive engineer
- The dream journey of an engineer who pursues embedded technology: In the first year, his dream was to be a microcontroller development engineer. In the third year, his dream was to be an embedded Linux application engineer. In the fifth year, his dream was to be an embedded Linux application engineer. Linux driver engineer.
- Linux Operation and Maintenance 1052 2023-07-31 15:07:08
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- Three ways to interrupt the lower half of Linux drivers
- When an interrupt occurs, the interrupt handler is entered. But the interrupt handler must be fast, asynchronous, and simple to respond to the hardware quickly and complete those time-critical operations. Therefore, other tasks with relatively relaxed time requirements should be postponed until the interrupt is activated before running.
- Linux Operation and Maintenance 1146 2023-07-31 14:57:18
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- How to use Docker containers for continuous integration and continuous deployment on Linux?
- How to use Docker containers for continuous integration and continuous deployment on Linux? In the software development process, continuous integration and continuous deployment have become a trend. Not only do they speed up software development and release, they also improve software quality. In Linux systems, continuous integration and continuous deployment can be easily achieved using Docker containers. This article will introduce how to use Docker containers to achieve this goal. 1. Continuous integration Continuous integration refers to the frequent merging of developer code into the main code.
- Linux Operation and Maintenance 1772 2023-07-31 13:28:54
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- How to analyze large-scale logs with Linux tools?
- How to analyze large-scale logs with Linux tools? Background: In modern Internet applications, it is common to generate large amounts of log data. These log data include important information such as the application's running status, error messages, access records, etc. For system administrators or developers, how to efficiently analyze and extract these large-scale logs is of decisive significance. This article will introduce some commonly used Linux tools and provide sample code to help readers better understand and master how to use Linux on the Linux platform.
- Linux Operation and Maintenance 1483 2023-07-31 13:25:13
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- How to use Logstash for log analysis in a Linux environment?
- How to use Logstash for log analysis in a Linux environment? Logstash is a powerful open source tool that is widely used to process and analyze various types of log data. It makes it simple to collect, filter, transform and send log data from different sources to various destinations. This article will introduce how to use Logstash for log analysis in a Linux environment and provide some common code examples. 1. Install and configure Logstash. Before starting, make sure you have installed Lin
- Linux Operation and Maintenance 1880 2023-07-31 12:09:12
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- Methods and techniques for implementing log aggregation and statistics under Linux
- Methods and techniques for implementing log aggregation and statistics under Linux Introduction: In the process of application development and maintenance, logging is a very important task. By outputting logs, we can monitor the running status of the application in real time, troubleshoot problems, and perform performance analysis and optimization. However, in large systems, log files are usually scattered on different servers, making log search and analysis difficult. Therefore, it is very necessary to understand how to implement log aggregation and statistics under Linux. 1. Use rsyslog
- Linux Operation and Maintenance 1361 2023-07-31 12:07:59
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- How to use Docker on Linux for fast backup and recovery of containers?
- How to use Docker on Linux for fast backup and recovery of containers? Summary: In the process of using Docker for application development and deployment, container backup and recovery is an important task. This article will introduce how to use Docker on Linux for quick backup and recovery of containers, and provide corresponding code examples. Introduction: Containerizing applications using Docker has become a mainstream technology choice in modern development environments. Using Docker can provide portability of applications
- Linux Operation and Maintenance 1845 2023-07-30 23:55:58
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- How to use Docker for continuous integration and continuous deployment of containers on Linux?
- How to use Docker for continuous integration and continuous deployment of containers on Linux? With the continuous development of the software development industry, continuous integration and continuous deployment have become important links in the modern software development process. As a lightweight virtualization technology, Docker provides us with a convenient way to implement containerized application deployment. On Linux systems, we can use Docker to perform continuous integration and continuous deployment of containers. This article will introduce how to use Docker to achieve this.
- Linux Operation and Maintenance 1361 2023-07-30 23:30:28
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- How to perform log aggregation and statistics through Linux command line tools?
- How to perform log aggregation and statistics through Linux command line tools? Logging is a very important task when managing and maintaining Linux systems. Through logs, you can view system operation, troubleshoot problems, and conduct performance analysis. For large-scale systems, the number of logs is often very large. How to efficiently aggregate and count logs has become a challenge faced by operation and maintenance personnel. In Linux systems, we can use command line tools for log aggregation and statistics. The following will introduce several commonly used command lines
- Linux Operation and Maintenance 2750 2023-07-30 22:07:47
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- Log analysis and storage optimization on Linux
- Log Analysis and Storage Optimization on Linux With the rapid development of the Internet and the rapid growth of data, log analysis has become increasingly important for system operation and maintenance and business monitoring. In the Linux environment, we can use various tools to collect and analyze log data. However, as the amount of logs increases, the storage and analysis of log data also brings some challenges. This article will introduce how to perform log analysis on Linux and provide some storage optimization suggestions. 1. Log collection and analysis tools In Linux systems, the most popular
- Linux Operation and Maintenance 1689 2023-07-30 21:53:14
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