Linux | Red Hat Certified | IT Technology | Operations Engineer 👇Join our technical exchange QQ group with the note 【Official Account】 for faster access Components of the Disk Our disk is the only mechanical device in our computer (some older computers), and it is also a peripheral. Our computers are called electronic computers, which … Read more
The Linux system generally has four main parts: Kernel, shell, file system, and applications. The kernel, shell, and file system together form the basic operating system structure, allowing users to run programs, manage files, and use the system. A part of the hierarchy is shown in Figure 1-1. 1. Linux Kernel The kernel is the … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join the technical exchange QQ group with 1000 members. Note 【Official Account】 for quicker approval. 1. In-Depth Understanding of Basic Process Concepts Textbook Concept: An execution instance of a program, a program that is currently executing, etc. Kernel Perspective: An entity responsible for … Read more
How to set the Linux system interface to Chinese. Since there are many branches of Linux systems, some are relatively easy, while others are more complex. This time, I took some time to record videos on how to change the interface of several mainstream operating systems from English to Chinese and share them with everyone. … Read more
Linux servers in a normal operating environment require precision, stability, efficiency, and security, and there are many tips for optimization. This article shares nine experiences for optimizing Linux servers, covering email servers, web servers, network configuration, memory management, and more. 1 Time Synchronization Servers in a normal operating environment require precise time. My email server’s … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join the technical exchange QQ group of 1000 people Note 【Public Account】 for faster approval In Linux, there are various methods to create files. Here are some common methods: 1. touch Command touch filename is used to create an empty file. If the … Read more
Click the blue text above to follow us Resource Sharing Linux Beginner to Advanced Practical Course ↓ Scan to watch the video ↓ 1. cat displays file content starting from the first line Syntax: cat [-AbEnTv] Option -A: Equivalent to the combined option -vET, can list some special characters instead of just blanks; -b: lists … Read more
Click the blue text above to follow us 1. Basics of the Linux File System 1. Characteristics of the Linux File System The Linux file system adopts a tree structure, starting from the root directory root (/). The Linux virtual file system allows many different types of file systems to coexist and supports operations across … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join our 1000-member tech exchange QQ group, note 【public account】 for faster approval 1. Classic Review of C File Interfaces When using C, we typically use functions like fopen, fwrite, fread, and fclose to access files. 1.2 fwrite For example, I need to … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join the technical exchange QQ group with 1000 members, note [Official Account] for faster approval 1. Establishing Links ln can be used to create links, but ln creates hard links by default. If you add the -s option, it creates a soft link … Read more