ZYNQ7000 series entry GPIO lighting

ZYNQ AC7020 I brief introduction No matter which development board to learn, it starts from lighting the light, just like the software originated from hello world. Here I use the AC7020 development board of 7000 series. Today I will talk about the GPIO control of 7000 series Note that GPIO here is divided into three categories: GPIOMI ...

Added by colandy on Sat, 29 Jan 2022 09:34:34 +0200

Teach you how to install MySQL and MariaDB on Linux(Deepin)

I used to use the SQL server under win. I'm a little unfamiliar with MySQL. I may introduce some basic information. If there is any incorrect description, I'd like to ask the boss for advice The relationship between the twoInstall MySQLInstall MariaDB (one line installation)Simple daily use The relationship between the two MariaDB and My ...

Added by BLottman on Sat, 29 Jan 2022 06:48:33 +0200

Service orchestration of docker

docker service orchestration Docker service orchestration, also known as docker compose, is designed to solve the problem of deploying large-scale applications using docker. Generally, in the production environment, using docker to deploy an application requires multiple containers, such as deploying front-end, back-end, dependent services, da ...

Added by duklaprague on Sat, 29 Jan 2022 05:38:29 +0200

Application and principle of Dubbo

Here are the Dubbo used in the project and some knowledge about Dubbo you know. Plus assistant v: xiehuangbao1123 Get java learning materials and the latest interview materials What is Dubbo? Dubbo [] is a distributed service framework, which is committed to providing high-performance and transparent RPC remote service invocation scheme ...

Added by joix on Fri, 28 Jan 2022 23:32:03 +0200

Linux block device driver ramdisk analog disk

preface The purpose of writing this article is to record your learning process so that you can review and refer to the relevant knowledge points in the future. 1, Block device drive frame . 1, block_device structure linux kernel uses block_device means block device, block_device is a structure defined in include / linux / Fs H file, the st ...

Added by astribuncio on Fri, 28 Jan 2022 23:29:03 +0200

Forum for building and creating LAMP architecture

Sorted installation package Link: https://pan.baidu.com/s/1J8hVp-9p5yIMMc2jBUu5XA Extraction code: 123b 1, Introduction to LAMP 1. Concept of LAMP LAMP platform is a complete set of systems and related software for collaborative work. It can provide dynamic Wen site services and application development environment. It is the most matur ...

Added by phpmash on Fri, 28 Jan 2022 19:18:58 +0200

Linux_ Authority management

Authority management Permission viewing and reading Permission view ls -l file #View file permissions ls -ld dir #View directory permissions | rw-r–r-- | . | 1 | root | root | 0 | Apr 12 10:57 | westos [1] [2] [3] [4] [5] [6] [7] [8] [9] [1] # file type #-Ordinary file #d directory #l soft connection #b. fast equipment #c char ...

Added by []InTeR[] on Fri, 28 Jan 2022 17:30:21 +0200

Redis08: application problem solving and redis6 Introduction to new features of version 0

Redis application problem solving Cache penetration Problem description The data corresponding to the key does not exist in the data source. Every time a request for this key cannot be obtained from the cache, the request will be pressed to the data source, which may crush the data source. For example, using a nonexistent user id to obtain u ...

Added by jazappi on Fri, 28 Jan 2022 12:48:35 +0200

Deployment of LVS-DR cluster with load balancing

1, LVS-DR packet flow analysis In order to facilitate the principle analysis, the Client and the cluster machine are placed in the same network, and the route of data packets is 1-2-3-4 1. The Client sends a request to the target VIP and the Director receives it. At this time, the source MAC address is the Client MAC address, and the targ ...

Added by omprakash on Fri, 28 Jan 2022 02:33:00 +0200

Detailed explanation of Tomcat server configuration in Linux Environment

Detailed explanation of Tomcat server configuration in Linux Environment Tomcat server is a free open source Web application server. Tomcat runtime occupies small system resources, has good scalability, supports load balancing, mail service and other functions commonly used in developing application systems. Tomcat is a small lightweight a ...

Added by snaack on Thu, 27 Jan 2022 23:12:30 +0200