In 1950, the widespread use of high-displacement engines in automobiles made the existing 6V voltage system inadequate to meet the growing electrical demands. Automotive companies adopted a method of connecting two 6V batteries in series to create a 12V low-voltage system. By the late 1960s, nearly all vehicles had adopted the 12V voltage system, with … Read more
padluo Reading time required: 4 minutes Quick read only takes 2 minutes Related Concepts Let’s first look at several concepts of LVM (Logical Volume Manager): In LVM (Logical Volume Manager), the relationships between various components can be summarized as follows: Physical Volume (PV): This is an actual disk partition or an entire disk that, after … Read more
Follow “Operations Interview Insights” Click the “⭐ Star” on the left to receive immediate updates on articles In Linux systems, both ps -ef | grep java and jps -l are methods used to view Java processes, but they have some important differences. ps -ef | grep java Command: ps is a command used to display … Read more
Introduction <span><span>btop</span></span> is a modern terminal-based system resource monitor that features an attractive graphical interface, quick responsiveness, and rich functionality. It supports viewing <span><span>CPU</span></span>, memory, disk, network, and processes, and allows for easy filtering and management of processes. Feature Overview Startup command: btop The interface is divided into the following sections: CPU Area: Displays usage … Read more
Scenario 164: Service Fails to Start Issue: Apache web server fails to start. Troubleshooting Steps: Check the status of the Apache service: systemctl status httpd View the Apache error log for details: journalctl -xe | grep httpd Fix any errors in the configuration file and restart the service. Scenario 165: Service Crashes Issue: MySQL database … Read more
Reprinted from the public account CSDN (ID: CSDNnews) Compiled by | Zheng Liyuan In the open-source community, the maintenance of the Linux kernel has always been the result of the collective efforts of many developers. Among them, the wireless/WiFi drivers, as an important component of the Linux kernel, have long relied on the diligent contributions … Read more
🌟 Why Use find? Imagine a server running for 3 years, and the boss asks to clean up log files larger than 100MB. If you were to search through them one by one using a graphical interface, you might end up working late into the night… However, with the find command, it only takes one … Read more
Through action, knowledge deepens; through deep knowledge, action becomes more effective. To stimulate students’ interest and enthusiasm for studying information technology, and to help everyone understand more practical computer knowledge, the School of Information Technology has specially launched the “IT Knowledge Base” column. Continuous effort, like water dripping through stone, conveys the pulse of information, … Read more
Today, I tested the pinnacle of open-source local digital human system generation technology on Linux: Heygem.Testing environment: GPU: 4060tiFirst, I conducted a round of tests using regular audio and video,with a 7-second audio inference taking 21 seconds.Here are the results:It is indeed much better than other current open-source technologies.Next, I will test with some real … Read more
When a program or system malfunctions, it can lead to file names containing special characters or becoming corrupted. Sometimes, using the rm command directly may not work, as shown in the image below:Here are several methods to delete such files: 1 Use rm — or rm ./ If the file name starts with a ‘-‘, … Read more