Continuing from the last time: [[Solving Docker Insufficient Space Issues on OpenWRT]] After resolving the insufficient space issue when pulling Docker images, I encountered a new problem. When I was creating my third container, Containerd indicated that there was insufficient space. Containerd is essentially the container management tool. We have addressed the storage issue for … Read more
Recently, the progress made by China’s startups and high-tech companies is evident. Whether in software, hardware, or business model innovation, domestic enterprises are no longer inferior to their foreign counterparts. Especially in terms of market share and user numbers, Chinese high-tech companies are truly impressive. But did you know? Currently, many major software products in … Read more
Background Currently, many universities implement a one-device policy in dormitories, where each person must have their own internet connection, and only two devices are allowed to connect. This is said to be for better network management and to trace individual usage. However, it is quite absurd, as the internet fees are high, and usage is … Read more
Prerequisites The host must support intel virtual technology, which is Intel’s virtualization technology. You can check and set this in the BIOS. If you encounter the following image during the installation of openwrt, it indicates that the settings were not configured or were configured but not saved. Installing VMware We go to the official website … Read more
CNCERT National Engineering Research Center Author | Hu Wei, Professor at Northwestern Polytechnical University Zhang Jiaqi, National Engineering Research Center for Cybersecurity Emergency Technology Abstract:Processor security has become a hot research direction in recent years. In 2021, the first national key research and development project in the field of processor hardware security in China—the research … Read more
Qinheng, based on its self-developed Qingke RISC-V microprocessor and professional connection technologies like USB, Bluetooth, and Ethernet, has created a product matrix that combines a full-stack MCU with multi-dimensional and multi-layered interface chips without kernel and PHY technology licensing fees and commissions. In addition to a rich lineup of USB interface chips, the Ethernet product … Read more
On August 3, the 2022 Fourth Automotive Electronics Conference kicked off in Jiashan, Zhejiang. At the opening forum, Academician Ni Guangnan of the Chinese Academy of Engineering and a researcher at the Institute of Computing Technology, Chinese Academy of Sciences, stated that RISC-V can well meet the era’s demand for “demand-defined software and software-defined hardware,” … Read more
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With the widespread adoption of smart products, the development and design of electronic products have gradually become the core content of study for students in electronic-related majors. Since its introduction in the 1970s, the microcontroller has quickly become the preferred choice for developing electronic products due to its strong real-time control capabilities, low cost, and … Read more
Optimizing a program usually refers to enhancing the program code or the execution speed of the program.Optimizing code and optimizing speed are essentially a contradictory unity.Generally, optimizing the size of the code will lead to an increase in execution time;if the execution speed of the program is optimized, it usually results in an increase in … Read more