Command Overview pwd is a fundamental yet important command in Linux/Unix systems, which stands for Print Working Directory. Its core function is to display the current directory path where the user is located, helping users quickly confirm their position in the file system. Usage The syntax of the pwd command is as follows pwd [options] … Read more
Network security is the cornerstone of operations and maintenance, and mastering iptables and firewalld is an essential skill for every Linux administrator. This article will take you deep into the core principles and practical techniques of these two major firewall tools! 1. Introduction to iptables iptables is a command-line tool for managing firewall rules in … Read more
This article is reprinted with permission from the public account CSDN (ID: CSDNnews) Author | Artem S. Tashkinov, Editor | Su Ma The latest data from traffic monitoring agency StatCounter indicates that as of December 2024, Linux holds only 4.13% of the global desktop operating system market share. This is in stark contrast to its … Read more
1. Basic Commands uname -m # Display the machine's processor architecture uname -r # Display the currently used kernel version dmidecode -q # Display hardware system components (SMBIOS / DMI) hdparm -i /dev/hda # List a disk's architectural features hdparm -tT /dev/sda # Perform a test read operation on the disk arch # Display the … Read more
Some readers have asked me: What should I learn to work in C++ backend development? C++/Linux server development, commonly known as C++ backend development, has a high demand for positions in large tech companies like BAT. Companies like Tencent have an urgent need for C++ backend developers. Although these positions require a high level of … Read more
链接： https://blog.csdn.net/qq_39578545/article/details/130246445? ☞ The excellent course has completely exploded! ☜ In-Depth Analysis of Linux Network Packet Loss 1. Background: From the image, you can see the potential locations where packet loss may occur, which actually spans the entire network protocol stack. In other words, there is a possibility of packet loss at every stage. • … Read more
As a downstream enterprise-level Linux distribution of RHEL, Rocky Linux has released its latest version 9.6. Since CentOS ceased to release traditional versions, Rocky Linux has emerged to fill the gap left by the discontinuation of CentOS, providing a stable and reliable operating system that is fully binary compatible with RHEL. Currently, Rocky Linux offers … Read more
A single misoperation caused the server to lose network connectivity for 3 hours, simply due to a lack of understanding of the differences in network card configuration across different Linux versions. In the field of Linux operations, incorrect network card configuration is the primary cause of server network failures. According to the 2024 Operations Failure … Read more
Warm Reminder If you like this article, please share it with your friends. If you have any questions or want more information, please follow or leave a message. In Linux systems, viewing file contents is an essential part of daily management tasks. For large files, trying to view all content at once can result in … Read more
Recently, I have seen many articles analyzing Oops, and on a whim, I would like to discuss Oops in conjunction with Panic. In the Linux system, Oops (commonly referred to as Kernel Oops) is an error reporting mechanism triggered when the kernel encounters an error that it cannot handle normally (such as null pointer dereference, … Read more