Linux | Red Hat Certification | IT Technology | Operations Engineer 👇 1000 people technical exchange QQ group, note [public account] for faster approval Shell Linux is an open-source, Unix-based operating system that is widely used in servers, embedded systems, supercomputers, and desktop computing due to its flexibility, stability, and high performance. The Linux Kernel … Read more
In a Linux system, to set up sudo passwordless access, follow these steps: Open the sudoers file as an administrator: In the terminal, enter the command sudo visudo. This command will open the sudoers file in a safe manner, ensuring the file syntax is correct and preventing system issues due to incorrect edits. Add the … Read more
NEWS Click the Blue Text to Follow Us NEWS TODAY Hello everyone, this is The Programmer’s Hair Loss Guide! For Linux users, the choice of input method is particularly important. Today, we will explain in detail how to install the Sogou Input Method on Linux systems. 1. Preparations First, ensure that your system is updated … Read more
In actual development, there are times when we receive monitoring alarms for certain services, such as high CPU usage or high memory usage. At this point, we log into the server to investigate. This blog will cover knowledge regarding: Linux performance tools. A Simulation of Online Issue Investigation Background: After the service has been running … Read more
1. Introduction In computer operating systems, disk I/O (Input/Output) is a key link in data read and write operations. For Linux systems, optimizing disk I/O performance is directly related to the overall response speed and data processing capability of the system. This article will detail the read and write process of Linux disk I/O, including … Read more
Linux, like Windows and MacOS, is an operating system designed for users. Currently, their usage scenarios differ. Linux is widely used in the server domain, while personal users tend to be more technical. Windows has the widest reach, being used across various industries on desktop systems, attracting the largest audience. MacOS is unique, aesthetically pleasing, … Read more
Linux is another operating system available to users alongside Windows and MacOS, known for being open-source, free, and highly customizable! Ordinary users rarely encounter the Linux system, and those familiar with it are relatively few. Many people are curious or have been recommended to explore Linux, starting their journey with it. Technical personnel have more … Read more
Follow the card below to get the latest shares by marking the public account. Reply in the background with EmbeddedLearning Materials to get a learning package👇👇👇 Introduction The touch command comes from the English word “touch”, which means “to touch or contact”. In the Linux system, this command is mainly used to create empty files … Read more
Word count: 1409, reading time approximately 8 minutes Linux Wireless RFKill Subsystem About RFKill The rfkill subsystem provides a generic interface for disabling any radio transmitter in the system. When a transmitter is blocked, it shall not radiate any power. The subsystem also provides the ability to react on button presses and disable all transmitters … Read more
The action of restarting the system is often used in Windows, usually after installing some software that requires a system restart to take effect. In this case, you typically click to confirm whether to restart now or later. Naturally, if you click restart now, the system will automatically reboot. If you choose to restart later, … Read more