Is Your Server Lagging? 10 Linux Commands to Identify Performance Bottlenecks in 5 Minutes

Server response is slow, services fail to start, disk space is running low… When faced with these common issues, blindly restarting the server not only fails to address the root cause but may also obscure the real problems. This article compiles 10 key <span>Linux</span> commands, along with detailed usage methods and scenario descriptions, to help … Read more

Server Not Speaking Human Language? A Guide to HTTP Status Code ‘Jargon Translation’ and Operational Practices

Server Not Speaking Human Language? A Guide to HTTP Status Code 'Jargon Translation' and Operational Practices

Introduction: Receiving an alert in the middle of the night, and upon checking, it’s the familiar 502 Bad Gateway? Don’t panic, this isn’t the server’s death sentence, but rather a distress signal sent to you! Today, we will translate this “Morse code” into plain language, along with a checklist that you can use immediately, helping … Read more

Overcoming Bottlenecks in Embedded Development as You Age

Overcoming Bottlenecks in Embedded Development as You Age

关注、星标公众号,直达精彩内容 Author | strongerHuangIn recent years, various industries have become highly competitive, leading many individuals to feel anxious about whether they will encounter bottlenecks in embedded development, experience a “35-year crisis,” or need to change careers, among other concerns.Today, let’s discuss the common bottlenecks faced by embedded engineers. Common Bottlenecks for Embedded Engineers 1. Weak … Read more

The Era of Flagship Smartphones with “All Big Cores” Chips Begins with Dimensity 9300

The Era of Flagship Smartphones with "All Big Cores" Chips Begins with Dimensity 9300

Why does “All Big Cores” represent a new direction for flagship chip performance? Author: Su YiEditor: Zi QiIn 2023, the smartphone industry is entering a critical period.On one hand, the smartphone market continues to bottom out, but the trend has significantly slowed. After the Chinese smartphone market recorded its “lowest sales in a decade” in … Read more

The Dangers of HTTP Proxies: Five Key Points Not to Ignore

The Dangers of HTTP Proxies: Five Key Points Not to Ignore

HTTP proxies are widely used for enhancing network security and efficiency. However, many users focus solely on the convenience they offer, overlooking the potential risks. Five Hidden Risks of HTTP Proxies ① Abuse of Proxy Servers Employees may access illegal websites through proxies, exposing the company to legal risks. For instance, some employees might use … Read more

Fundamentals of PLC Programming: A Beginner’s Guide to Bit Operations

Fundamentals of PLC Programming: A Beginner's Guide to Bit Operations

After observing the discussions about bit operations in the group over the past few days, it’s hard to express my feelings! Some of the bit operation codes written by people made my eyes hurt. If the fundamentals of these bit operations are not solid, you could end up in serious trouble on-site! Not to mention … Read more