Essential Guide for Linux System Administrators: Ultimate Guide to Changing the Root Password

Essential Guide for Linux System Administrators: Ultimate Guide to Changing the Root Password

1. General Scenario: Known Regular User Password Applicable Scenario: When a regular user account with sudo privileges is available 1. Open Terminal<span><span>Ctrl+Alt+T</span></span> to quickly launch the terminal, or search for “Terminal” in the application menu.2. Execute Password Change Command sudo passwd root 3. Authentication Process First, enter the current regular user password (for sudo permission … Read more

Detailed Explanation of the /usr Directory in Linux

Detailed Explanation of the /usr Directory in Linux

📂 Linux Subdirectory <strong><span>/usr</span></strong> Directory Detailed Explanation 📌 I. Overview <span><span>/usr</span></span> is one of the most important directories in the Linux file system, which stands for “Unix System Resources”. It is used to store user programs, system tools, library files, documentation, shared resources, etc.. Originally designed as a read-only directory, it can be shared across … Read more

Summary of Linux Log Management Experience (crontab + logrotate)

Summary of Linux Log Management Experience (crontab + logrotate)

Click the "Linux Tech Enthusiast" above and select "Set as Star" to receive high-quality articles promptly. ☞【Insight】ChatGPT 4.0 is unlocked, no limit on questions!!! ☞【Insight】Tsinghua University senior's self-study Linux notes, top-level quality! ☞【Insight】Comprehensive guide to commonly used Linux commands, all in one article. ☞【Insight】Collection! Linux basic to advanced learning roadmap. Link: https://www.cnblogs.com/xiaoyaozhe/p/17671275.html Log Management Objectives … Read more

Linux History Command: How to Display the Date and Time of Command Execution

Linux History Command: How to Display the Date and Time of Command Execution

In Linux systems, the <span>history</span> command is a simple yet powerful tool that allows users to view and reuse previously executed commands. However, by default, the output of the <span>history</span> command only shows the command number and content, without including the date and time of command execution. This may not be intuitive enough for users … Read more

Basic Linux Tutorial

Basic Linux Tutorial

1. Introduction to Linux Linux is an open-source Unix-like operating system kernel, first released by Linus Torvalds in 1991. Today, Linux has become a mainstream operating system in fields such as servers, embedded devices, and supercomputers. Linux Distributions Ubuntu – A popular distribution suitable for beginners CentOS/RHEL – Commonly used in enterprise-level servers Debian – … Read more

Epic Update of Linux: Support for Popular Chips from Allwinner, Rockchip, Raspberry Pi, Banana Pi, and More

Epic Update of Linux: Support for Popular Chips from Allwinner, Rockchip, Raspberry Pi, Banana Pi, and More

▲ Click the blue text above to follow us and not miss any valuable articles!After much anticipation, Linux 6.14 has finally been released. This update brings extensive hardware support to the Arm and RISC-V ecosystems while continuously enhancing system performance through core subsystem optimizations.Recently, Linux founder Linus Torvalds announced the release of Linux 6.14 on … Read more

Avaota F1 Allwinner V821 Dual-Core RISC-V E907 Fully Domestic New Generation Highly Integrated Vision SoC

Avaota F1 Allwinner V821 Dual-Core RISC-V E907 Fully Domestic New Generation Highly Integrated Vision SoC

The V821 is a highly integrated, low-power multi-camera IPC SoC launched by Allwinner Technology. The chip integrates dual RISC-V architecture processors, including a RISC-V CPU with a maximum frequency of 1GHz and a RISC-V MCU with a maximum frequency of 600MHz. The chip supports real-time access for two cameras and provides up to 1080P HD … Read more

How to Perform Serial Communication After Installing Linux on RK3588? A Few Commands to Solve It

How to Perform Serial Communication After Installing Linux on RK3588? A Few Commands to Solve It

Recently, someone asked how to test serial communication on an RK3588 that had Linux installed in our lab. I spent quite some time figuring it out, and below I will share the method with you.Tools required: Tabby (for SSH connection), RK3588, monitor.The prerequisite is that you have already installed the Ubuntu system to proceed with … Read more

Overclocking a 64MHz STM32 to Run Linux

Overclocking a 64MHz STM32 to Run Linux

Follow+Star public account number, don’t miss the wonderful content Author | Dmitry.GR Translation | Zheng Liyuan, originally from | CSDN For a long time, I have been trying to build a microcomputer that can run Linux with the least number of components. I have also attempted extreme simplifications and various interesting form designs, and this … Read more

Transforming an Old Computer into a Home Gateway Server: A Guide to Upgrading Your Network

Transforming an Old Computer into a Home Gateway Server: A Guide to Upgrading Your Network

Practical Guide | Don’t throw away your old computer, transform it into a home server In today’s rapidly advancing technology landscape, electronic products are updated at an ever-increasing pace, and old computers at home can easily become idle. Have you ever considered that these seemingly useless old computers can be transformed into powerful home gateway … Read more