Authorization statement: This article authorizes the official Amazon Cloud Technology article to forward and rewrite the rights, including but not limited to Amazon Cloud Technology official channels such as Developer Centre, Zhihu, self-media platforms, third-party developer media, etc. Article directory Preface 1. What is EC2? 2. Deploy JumpServer based on Amazon EC2 1.EC2 environment initialization […]
Tag: server
How AJAX uses get requests to submit data to the server and achieve partial data refresh——AJAX
<!DOCTYPE html> <html lang=”en”> <head> <meta charset=”UTF-8″> <title>Title</title> </head> <body> <script type=”text/javascript”> window.onload = function () { document.getElementById(“btn”).onclick = function () { var ajax = new XMLHttpRequest(); ajax.onreadystatechange = function () { if(ajax.readyState === 4) { if(ajax.status === 200) { document.getElementById(“mySpan”).innerHTML = ajax.responseText; } else { alert(ajax.status); } } } //Open channel var username = […]
Node.js builds web server, interface configuration, parameter format and garbled code processing
Node.js Overview Node.js is not a new programming language, nor is it a JavaScript library, but a JavaScript running environment, and it is also the second running environment for JavaScript outside of the browser. We can run all the features of ES6 on node.js without worrying about any compatibility issues. In addition to its good […]
[Maven]–Module splitting, aggregation, inheritance, attributes, private server
1. Module development and design Split each layer into a module and then modify the corresponding configuration file Compile each module [compile] and install [install] to the local warehouse Where needed, import it as a dependency in the pom.xml file SSM_pojo split Create a new module [no need to add a template] Copy the corresponding […]
jenkins automated deployment (node server)
1. Nginx installation and startup If we want to install a software package, we can do the following: # Search for packages dnf search package-name # View package information dnf info package-name # Install packages dnf install package-name Deployment will use nginx, so you need to install nginx first: dnf install nginx Start nginx: # […]
[RSYSLOG Series] rsyslog remote server construction
Foreword In Linux systems, rsyslog is often used as a logging tool. The full name of Rsyslog is rocket-fast system for log. It provides high performance, high security functions and modular design. It can accept logs from various sources and output them to different destinations. At the same time, rsyslog can pass a variety of […]
MyFileServer_3 target machine
Information collection Use arp-scan to find the IP. After excluding this, we get our target IP as 192.168.187.175 nmap scan port scan TCP input the command; nmap -min-rate 10000 -p- 192.168.187.175 There are more open ports UDP input the command: nmap -sU -min-rate 10000 -p- 192.168.187.175 Processing port information Since there are many scanning ports, […]
CVE-2023-42820: JumpServer password reset vulnerability
Table of Contents 0x01 Introduction 0x02 Vulnerability Overview 0x03 affected version 0x04 Environment setup 0x05 Vulnerability recurrence 0x06 Repair method 0x01 Introduction JumpServer open source bastion host is an operation and maintenance security audit system product that provides identity authentication, authorization control, account management, security audit and other functional support to help enterprises quickly build […]
[UI Programming in Unity] How to use a code framework to control a server server selection panel
Personal homepage: @元 Universe-志慅 hallo Welcome to like Favorite? Leave a message Follow?! This article was originally written by Zhiyuan Included in the column:UI_Unity column ?Choose a server? Article directory ?Choose server? Foreword （==0==）Storage format of server data Write Excel and convert to Json （==1==）Player data class （==1==）District server data class （==1==）Selection button data class […]
How Node-Red communicates with OPC DA server
1. Introduction This article mainly introduces how Node-Red uses the plug-in node-red-contrib-opc-da and the plug-in node-red-contrib-opcda-client to communicate with the OPC DA server, and uses KEPServer to simulate the server. Environment setup This environment setup requires two machines, in the same LAN: Server Function: Simulate OPC DA server Operating system: Windows 7 Professional Client computer […]