zabbix monitoring Grafana building

zabbix monitoring Grafana building zabbix grafana construction steps 1. Install nignx 1.1 add nginx environment variable to start and verify nginx service 1.2 create systemctl file 1.3 modify nginx.conf 1.4 check configuration file 2. install php 2.1 add php environment variable check configuratio ...

Posted on Mon, 03 Feb 2020 10:23:07 -0500 by thebopps

Notes on learning Spring framework: setting up spring boot+mybatis plus+mysql project environment

The previous one Spring framework learning notes (5) -- creation and use of Spring Boot , I found that how many details were not mentioned. Now I have learned the framework of mybatis plus. I plan to reorganize it and make the details clear 1. Create spring boot through IDEA 2. Project related configuration You only need to change the first o ...

Posted on Mon, 03 Feb 2020 04:58:43 -0500 by deived

2020 pro test + QT5.14+OCI driven compilation and problem solving + basic use

1. Complete steps of OCI driven compilation under qt5.14 1. When installing qt, manually select the Source resource to install (Source is not installed by default) 2. Enter the QT installation directory E:\Qt5.14.14.0\Src\qtbase\src\plugins\sqldrivers\oci Double click to open oci.pro file with qtcrea ...

Posted on Sun, 02 Feb 2020 03:31:14 -0500 by elentz

Express+MySQL implements the demo of login and registration

MySQL5.7.20 demo preparation Install mysql, add system environment variable to start service in cmd after installation: net start mysql57, if MySQL 8.0 is installed, mysql80 is the default service name, test whether MySQL installation is successful: mysql -V Node is installed when installing express ...

Posted on Sun, 02 Feb 2020 00:47:28 -0500 by fareasd

Automatic operation and maintenance tool ansible -- installation and module management

Introduction to ansible   ansible is a new automatic operation and maintenance tool. Based on Python development, it integrates the advantages of many operation and maintenance tools (puppet, cfengine, chef, func, fabric), and realizes batch system configuration, batch program deployment, batch run command and other functions.   ...

Posted on Sat, 01 Feb 2020 11:29:55 -0500 by jets

Java database 03 connection pool

1 connection pool 1.1 INTRODUCTION In actual development, "get Connection" or "release resources" are two processes that consume system resources very much. In order to solve this kind of performance problem, we usually use Connection pool technology to share Connection. In this way, we don't need to creat ...

Posted on Fri, 31 Jan 2020 17:07:16 -0500 by jaronblake

mysql advanced (1) lecture 1-13

1.mysql configuration file I. linux:/etc/my.cnf file windows:my.ini file Binary log logbin: master-slave copy error log: it is off by default, recording serious warning and error information, details of each startup and shutdown. Query log: log Data file:. myd (store data). myi (store index) frm (store table structure) 2, ...

Posted on Fri, 31 Jan 2020 16:28:53 -0500 by Cheers

Mysql multi instance configuration

Multi instance configuration of MySQL In a physical machine, multiple test environments are needed, so multiple instances of building database are needed. Multiple instances means running multiple programs, and there is no influence between instances. Note that the ports you listen to need to be different. That is to say, running many mysql in ...

Posted on Fri, 31 Jan 2020 14:54:36 -0500 by lunarul

Using mybatis generator to generate code in spring boot

Please create your springboot project first Add mybatis generator to the project 1. Add plugin in pom <plugin> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-maven-plugin</artifactId> <version>1.3.5</version> <dependencies> &l ...

Posted on Fri, 31 Jan 2020 14:29:32 -0500 by trrobnett

Performance comparison of mysql batch operation

1, When operating the database, using the prepared statement will greatly improve the performance advantages of operating the database as follows: 1). Readability and maintainability of the code. (use placeholders to represent parameters?) 2) can maximize performance (precompile), MySQL does not support performance optimizat ...

Posted on Fri, 31 Jan 2020 14:07:15 -0500 by leebo