Dynamic APP loading techniques for microcontrollers are similar to applications on mobile phones and computers, allowing programs to be loaded from various sources such as SD cards, NAND, NOR, eMMC, etc., into execution spaces like SRAM, SDRAM, QSPI Flash, and internal Flash. Moreover, if MPU support is available, it can isolate APPs; if an APP … Read more
When we mention virtualization technology, the first thing that comes to mind is Docker. After four years of rapid development, Docker has become widely used in the production environments of many companies and is no longer just a toy for the development phase.As a product widely applied in production environments, Docker has a very mature … Read more
1. Installing QEMU QEMU has been around for a long time, and I never thought about what its full name is. Today, while writing this article, I looked it up, and the full name should be quick emulator. QEMU (quick emulator) is a free and open-source virtual machine (VMM) for hardware virtualization, written by Fabrice … Read more
0x01. Camera SD Card Flashing Experience Recently, I researched the SD card flashing function of a camera I have, which only supports FAT32 formatted SD cards. Therefore, I needed to format the SD card to FAT32 first. Additionally, Microsoft limits FAT32 to a maximum capacity of 32GB, so I could only use an SD card … Read more
When using Linux/Unix systems on a daily basis, we rely on many command line tools to accomplish our tasks and to understand and manage our systems, such as du for monitoring disk usage and top for displaying system resources. Some of these tools have been around for a long time. For example, top was first … Read more
链接：https://blog.csdn.net/qq_43684922/article/details/128881716 When a pod is in a crash state, the container keeps restarting, and using kubelet logs may result in not being able to capture the logs. The solution is: kubectl previous parameter function: If true, print the logs for the previous instance of the container in a pod if it exists. Single-container pod: kubectl … Read more
Before using the [cSphere] (https://csphere.cn) platform, it is essential to understand the basic knowledge of Docker. This is targeted at users who already have a certain level of Linux knowledge. ## What is Docker Docker is an advanced container technology. The specific “advancement” is reflected in the fact that Docker introduces images for containers, allowing … Read more
This article is a highlight from the Kanxue Forum. Author from Kanxue ForumID: Hu Yimi 1. Introduction In this article, we plan to share about the Xiaotun AI camera, which is also the content we shared at a certain AIoT security summit in 2020. Last year, we received a batch of sponsorship, which included most … Read more
1. My Journey with Library File Hijacking 0x01 Initial Stage In September of this year, I encountered a case of Linux library file hijacking. The situation was that a server was continuously sending packets to a suspicious IP, attempting to establish a connection. Later, antivirus software detected a trojan, and even after rebooting, the server … Read more
Today’s Technology News Recently, the National Medical Products Administration announced the seizure of a batch of rabies vaccines produced by Changchun Changsheng Biotechnology Co., Ltd., which had falsified production records. Relevant illegal activities are under investigation. According to media reports, several vaccine companies, including Changsheng Biotechnology, Wuhan Biological Products, and Shenzhen Taikang, are all controlled … Read more