Programming VIP

The official account of WeChat: the story of operation and development. Master some performance optimization tools and methods, which need to be accumulated in the work; Basic computer knowledge is very important, such as network knowledge, operating system knowledge and so on. Mastering the basic knowledge can enable you to grasp the key of ...

1. Preparation docker :Docker cat /etc/redhat-release see sentOS edition uname -r View kernel version 2.docker architecture Three elements: (warehouse, image and container) docker host(Host): Installed Docker Programmed machine( Docker Directly installed on the operating system); docker client(Client): connect docker Operate the host; ...

preface In enterprises, we usually store some pictures, videos, documents and other related data in object storage. Common object storage services include Alibaba cloud OSS object storage, FastDFS distributed file system and the company's private cloud platform, so as to facilitate data storage and rapid access. However, with the rapid d ...

MySQL introduction and installation 1, MySQL overview 1. Relational database and non relational database RDBMS (relational database management system) is a relational database management system. In short, relational database refers to a database that uses two-dimensional tables to organize data. Extension: there are generally two kinds ...

kubernetes check recovery mechanism - PodPreset 1: Check recovery mechanism Container health inspection and recovery mechanism In k8s, you can define a health check "Probe" for the container in the Pod. kubelet will determine the status of the container according to the return value of the Probe, rather than directly based on whethe ...

1. Power status described by Linux On(on) S0 - Working Standby (standby) S1 - CPU and RAM are powered but not executed Suspend to RAM(mem) S3 - RAM is powered and the running content is saved to RAM Suspend to Disk，Hibernation(disk) S4 - All content is saved to Disk and power down S3 aka STR(suspend to ram), suspended to memory, referre ...

Dual machine hot standby scheme Kept + MySQL master-slave replication to realize active and standby 1.1 deployment mode The two servers deploy the same running environment and services. The running environment includes java running environment, redis, mysql, kept and java background services 1.2 realization effect When the background process of ...

As a driver author, you may find that you have to download firmware into a device before it can work Competition in many parts of the hardware market is so intense that manufacturers are reluctant to spend even a little of the cost of EEPROM used as device control firmware Therefore, the firmware is released on a CD with the hardware, ...

disk The magnetic disk is composed of multiple disks. The front and back sides of each disk are readable and writable. The magnetic particles on the surface of the disk are changed by the magnetic head to complete reading and writing. When the disk leaves the factory, there are many divided concentric rings on the disk. The data is stored in t ...

Python wechat ordering applet course video https://edu.csdn.net/course/detail/36074 Python practical quantitative transaction financial management system https://edu.csdn.net/course/detail/35475 preface This article will bring some knowledge about hard disk mounting in disk management under Linux and Linux operating system. This is probabl ...