Tag：system
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Time：2021-10-27
Concurrent processing When multiple connections modify records, ensure data consistency and integrity Why use concurrency control Suppose there are commodity records in our database, and now there are two users logging in. Suppose a user wants to delete a record with ID 22 and a user wants to read a record with ID 22, what […]
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Time：2021-10-26
**Introduce some pits I have stepped on in the rust environment** The previous windows 10 system encountered many problems in configuring rust, so it changed deepin (Debian based Linux system), and the interface still reported errors, which is somewhat similar to Mac OS. I won’t say more here. For details, please see the deepin official […]
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Time：2021-10-26
causeLinux cannot startThere are many reasons. The following Liang Xu Xiaobian will elaborate on several common reasons and solutions, hoping to help you. Improper file system configuration, such as / etc / inittab file and / etc / fstab file, leads to system failure and failure to start. Illegal shutdown leads to the destruction of […]
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Time：2021-10-26
Summary:The new crown broke out in early 2020. In this battle against the epidemic, we deeply realize that the epidemic situation is closely related to everyone. There are a group of teachers and students project teams from Huazhong University of science and technology. They use AI technology to help fight the global epidemic. What do […]
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Time：2021-10-25
Out of interest in Linux operating system and strong desire for underlying knowledge, this article is sorted out. This paper can also be used as an index to test basic knowledge. In addition, this paper covers all aspects of a system. Without perfect computer system knowledge, network knowledge and operating system knowledge, it is impossible […]
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Time：2021-10-24
As the reading record of the last paper, I decided to summarize my rough and intensive reading papers so far, and then state some personal opinions and ideas in this research field. Paper summary The bias and unfairness in the recommendation system are born with the birth of the recommendation algorithm, not deliberately. Some typical […]
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Time：2021-10-22
This article will explain to the reader in detail the underlying details of 4K for each read when unordered storage is mentioned in Chapter 3. The appendix in Chapter 3 has explained to the readers that “this reason is that when the operating system reads the disk, according to the principle of data locality, it […]
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Time：2021-10-22
According to Microsoft’s latest regulations, Microsoft no longer accepts EV code signature certificate as driver digital signature, but requires driver developers to apply for WHQL certification to solve the problem of driver signature.Next, Xiaobian will elaborate with you on the specific scheme of WHQL Microsoft driver signature. What is WHQL certification? WHQL certification, also known […]
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Time：2021-10-22
Blog reference http://www.178linux.com/48343 http://www.178linux.com/48674 http://www.178linux.com/48563 http://www.jinbuguo.com/systemd/index.html Introduction to SYSTEMd SYSTEMd was developed by Lennart poetering, an employee of red hat company. SYSTEMd is the latest initialization system (init) in Linux system. Its main design purpose is to overcome the inherent shortcomings of sys V and improve the startup speed of the system. SYSTEMd and upstart […]
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Time：2021-10-21
Author Liu Haoyang Reading guide: in order to make you better understand the design and implementation of APM system in MSP, we decided to write aA series of articles on micro service observation, in-depth product, architecture design and basic technology of APM system. This is the first article in this series, which mainly shares some […]
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Time：2021-10-21
preface This series is derived from”Manon turned over”The reading activity initiated by the knowledge planet is sponsored by the [email protected] UDP does not lose packetsRecommended, there are some alternatives in this reading activity. We abandoned traditional books and began to introduce the top graduate course < 6.824 >, which was the inventor of worm virus […]
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Time：2021-10-21
When the project cycle is coming to an end, developers will pay more and more attention to the “security” of applications. A secure application is not a luxury, but a necessity. You should consider application security at every stage of development, such as system architecture, design, coding, including final deployment. In this tutorial, we will […]
