However, we still have to wait two more years. iPhone 1: 2007 iPhone X: 2017 So, on the 20th anniversary of the iPhone, Apple will also arrange a commemorative edition. Mark Gurman, a technology editor at Bloomberg known for accurately predicting Apple’s moves, claims that Apple is developing two 20th anniversary edition iPhones for 2027. … Read more
Having received the last batch of small red cards, the dust has settled, and my long journey towards certification has finally come to a close. Reflecting on the past month, there are many thoughts I want to share, and I hope to express them here. When I first saw the notification, I was somewhat hesitant. … Read more
Who says a workstation can only be a cubicle? The insulated boom lift is like a “standing desk”. A hundred-meter iron tower becomes a “cloud workstation”. What’s hidden in the toolbox is not a screwdriver But a “magic wand” that lights up the city. The workstation of the power grid personnel is their “C position”. … Read more
C-Level Maintenance in Progress Unit 4 Glory belongs to the laborers! Happiness belongs to the laborers! With the drums of war urging the horses to gallop, it is the right time to forge ahead! Since the start of the C-level maintenance for Unit 4, all inspection personnel have been racing against time and facing challenges … Read more
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