Although most of my work is related to networking, I also deal with Linux systems, especially after using Mac, where I work daily in a command-line environment with a black background. My memory is not very good, and I can’t remember many useful Linux commands. Therefore, I am gradually summarizing them for future reference. Basic … Read more
In Linux systems, various commands are used for system inspections to check system status, performance, configuration, and security. Here are some commonly used Linux inspection commands and their descriptions: 1. System Information ● uname -a：Displays all system information, including kernel version, hostname, etc. ● hostname：Displays or sets the system’s hostname. 2. System Load and Performance … 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
Follow+Star Public Account, don’t miss out on exciting content Source | Embedded Miscellaneous In our embedded development, printing logs is the most commonly used debugging method. Properly printing logs can help us quickly analyze problems. This article summarizes some rules for logging in embedded systems. 1. When to Add Logs? (1) Error Handling For unrecoverable … Read more