Open-source tools like Linux Malware Detect and Chkrootkit can alert you to unwanted visitors on your server. Translated from “Linux Security: Scan Your Servers for Rootkits With Ease” by Jack Wallen. Linux is one of the most secure operating systems on the planet. However, nothing is absolutely secure, and if a server is connected to … Read more
In Linux systems, there are various commands and methods to view the status of remote login users. Here are some commonly used commands and techniques: 1. Using the who command The who command is used to display information about users currently logged into the system, including usernames, login times, and login terminals. It can also … Read more
In the digital age, operations and maintenance engineers often have a few “invisible employees” on their computers—these tools never complain about overtime, are on standby 24 hours a day, and complete every task on time. This is the superpower that Linux scheduled tasks provide to the system. When you notice that the server automatically backs … Read more
World Trade Center 1. What is mcookie http://man.he.net/man1/mcookie mcookie – Generates authentication tokens for the X Window System authentication tool xauth mcookie is a command-line tool that runs on Unix-like operating systems, primarily used to generate random 128-bit hexadecimal numbers. These numbers are highly random and unpredictable, making them commonly used as session keys, unique … Read more
In today’s digital age, multi-core processors have become standard in computer systems, from our everyday office computers to the massive server clusters in data centers. This hardware advancement allows computer systems to handle multiple tasks simultaneously, greatly enhancing computational efficiency. Just like a busy traffic hub with multiple lanes, vehicles move back and forth, seemingly … Read more
Warm Reminder Reading on WeChat public account may result in poor code formatting, incorrect formatting after copying code, outdated content, and advertisement issues. It is strongly recommended to click the Read the Original link at the bottom left of the article for viewing. Tips Changing Network Interface Names to eth0 and eth1 in Linux Systems … Read more
In the past couple of years, I often tell my students that when they encounter difficult problems, they should first consult the silicon-based AI assistant, and if that doesn’t solve the issue, then come to me, the carbon-based teacher. Recently, I developed an AI teaching assistant for learning Linux. After a period of testing, the … Read more
Linux Traffic Control Overview● Queueing Discipline (Qdisc): Defines the queuing strategy for packets, such as First In First Out (<span>pfifo_fast</span>) or Hierarchical Token Bucket (<span>HTB</span>).● Class: Forms a hierarchical structure combined with queueing disciplines to allocate bandwidth priorities (e.g., assigning high priority to real-time traffic).● Filter: Classifies traffic based on rules (such as IP address, … Read more
In the Linux world, there are many ways to obtain hardware information, such as <span>lscpu</span>, <span>free</span>, <span>lsblk</span>, and so on, but these commands usually focus on specific aspects. The uniqueness of <span>inxi</span> lies in its ability to integrate these scattered pieces of information. Today, we will explore this amazing tool. Installing inxi inxi can be … Read more
The MMC/SD driver model is widely used in embedded development, and its corresponding Linux system framework can be classified under block devices. If you want to understand the IO storage stack, you can start with the simple MMC/SD driver model. Linux MMC/SD Driver ModelIn Linux, the MMC/SD driver is mainly divided into three layers: the … Read more