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Articles Catalogue @[TOC] The main purpose of establishing private warehouse is to use it by oneself or company, download it quickly, and do not need to download it abroad. convenient The main purpose of establishing private warehouse is to use i ...

EMQ X Auth & ACL Based on MySQL Before reading this tutorial, assume you already know it. MQTT,MQTT 5 And EMQ X Simple knowledge. emqx-auth-mysql It achieves access control to terminals by checking whether the username and password accessed ...

Author: Vinicius Grippa Translator: Guan Changlong In this article, we will discuss how to set up replication from MySQL 8.0 to MySQL 5.7. In some cases, using this configuration can be helpful. For example, in the case of MySQL upgrades, it would be useful to use a newer version of MySQL master server as a rollback plan for older versions o ...

The official version of MySQL 8.0 has been released. MySQL 8.0 has added many new functions, which can be referred to specifically. MySQL 8.0 official version 8.0.11 release! "Article. MySQL 8.0 adds role management to user management, and the default password encryption mode has been adjusted from SHA1 to SHA2. At the same time, MySQL 5.7 ...

Table Tennis Circle Program Partnership with friends wrote a small program, wrote a platform to share information and exchange of table tennis - table tennis circle. We used Wechat's cloud development to accomplish data and background functions. Lease servers are removed. I am mainly responsible for database design and cloud functions to achiev ...

Application of OpenVPN+MySQL Production Environment [TOC] I. Basic Environmental Description (1) System environment and subnet description category content Environmental Science Environment: CentOS Linux release 7.6.1810 (Core) VPN-SERVER 10.0.2.5 Service subnet 10.0.2.0/24 VPN Client Subnet 192.168.100.0/24 (2) Required package d ...

Linux firewall system mainly works in the network layer. It belongs to the typical packet filtering firewall for real-time filtering and restriction of TCP/IP packets. How does the Linux firewall check data traffic? For the data packet entering the s ...

cause Because of the characteristics of business, sometimes the data need complex query logic to get. Because the database itself does not support complex queries, so synchronizing data to capability middleware has become a common solution, and synchronizing to Elastic search is one of them. Scheme Selection The data source we use is MySql, whi ...

1. Introducing dependencies #Introducing sql-dependent Akmi import sqlalchemy #Introducing various data types from sqlalchemy import Column, Integer, String, ForeignKey, UniqueConstraint, Index,CHAR,VARCHAR,Date #Create a database connection from sql ...

This article was originally published from January 26, 2018. This paper contains the general steps to deploy Django code written by Python 3 to Digital Ocean, involving git, pyvenv, mysql, pm2 and other technologies, which can provide some reference for Django deployment. Before you start deploying, you need to prepare a remote server, a domain ...