[CentOS 7LAMP Architecture 2], MariaDB installation and configuration#

shallow A kind of ove Installing MariaDB cd /usr/lcoal/src wget https://downloads.mariadb.com/MariaDB/mariadb-10.2.6/bintar-linux-glibc_214-x86_64/mariadb-10.2.6-linux-glibc_214-x86_64.tar.gz tar zxvf mariadb-10.2.6-linux-glibc_214-x86_64.tar.gz mv mariadb-10.2.6-linux-glibc_214-x86_64 /usr/local/mariadb cd /usr/local/mariadb ./scripts/mys ...

Posted by MobiTec on Fri, 01 Nov 2019 08:48:57 -0700

[from getting started to giving up - Java] concurrent programming - NIO use

Preface Above [from getting started to giving up - SpringBoot] SpringBoot source code analysis - Request Process We learned that tomcat receives and returns requests based on NIO. There are many uses based on NIO in our daily work. We know that NIO can improve the concurrency of the system. In the next series, we will learn about NIO in depth. ...

Posted by Scrank.com on Fri, 01 Nov 2019 06:22:13 -0700

Making WIFI version of intelligent socket easily -- Software

Refer to the first part for hardware construction: https://blog.csdn.net/qq_34472145/article/details/94561226 I. Preface In the previous part, the socket receives messages from MQTT server, while the server receives instructions from APP and converts them into customized messages and sends them to WiF ...

Posted by stelthius on Wed, 30 Oct 2019 12:22:15 -0700

[Centos] Mysql modifies the directory of data files or solves some errors

Reference resources: https://blog.csdn.net/qq_21573899/article/details/78843075 [refer to this document for most of this article] https://www.cnblogs.com/Mchn/p/9984186.html Technological process: 1. Install Mysql normally. The default installation directory is / usr/local/mysql data file directo ...

Posted by jek1134 on Wed, 30 Oct 2019 09:52:51 -0700

Programmer: using Python to realize the reverse Shell that can control broiler

First, initial knowledge 1.1 use Python to implement a reverse Shell that can manage multiple broilers. Why is it called a reverse Shell? The reverse is that broiler actively connects to our Server as Client to realize the management of multiple remote hosts! Learning skills: Understand the TCP protocolUnderstand C/S structure program design ...

Posted by mrkite on Wed, 30 Oct 2019 06:44:41 -0700

Vue route Usage Summary

I. use of routes in vue 1. Define components <template> <div class="hello"> <h1 @click="info" :class="color">{{ msg }}</h1> </div> </template> <script> export default { name: 'hello', data () { return { msg: 'I am Hello assembly', ...

Posted by nmohamm on Tue, 29 Oct 2019 09:53:13 -0700

Develop WebSocket online chat communication system, use TP and Swoole

To use Swoole in ThinkPHP, you need to install the think Swoole composer package, provided that the system has installed the Swoole PECL extension. To install think swoole, execute the composer command in the project root directory of tp5: composer require topthink/think-swoole If you don't say much, go straight to the code: To create a WebSock ...

Posted by invincible_virus on Mon, 28 Oct 2019 07:38:07 -0700

ss -- Analysis socket utility

ss often analyzes socket related analysis. Its function is similar to netstat, but faster and more powerful than netstat. Common options: - s: print out statistics - t: print out tcp related information (the information of ESTAB phase is displayed by default) - l: print out the connection related to listen - n: do not resolve the domain name a ...

Posted by robnet on Sat, 26 Oct 2019 11:15:42 -0700

Spring foundation topic 04 - automatic assembly Bean

Read the original text After reading the official documents of Spring, we can see that Spring basically provides us with three ways to assemble beans: Display configuration in XML. Display the configuration in Java code. Implicit bean discovery mechanism and automatic assembly. 1. Automatic assembly ...

Posted by brandye71 on Fri, 25 Oct 2019 22:43:19 -0700

Solution for online preview of files in uni app

Just passed, I also wish you all good health, everything goes well and no more bugs in your future life. I. Preface I wrote an article about uploading directory file: Solution of directory file upload (not only pictures and videos) in uni app system , this time to solve the file preview problem.   uni-app It is a framework that uses Vue.js to d ...

Posted by ShawnK on Thu, 24 Oct 2019 19:17:06 -0700