Category: Opensource

Open-source software (open-source) is a new term that is defined as software whose source code can be used by the public, and the use, modification, and distribution of this software are not restricted by licenses. Open source software is usually copyrighted, and its license may contain such restrictions: deliberate protection of its open source status, notice of authorship, or development control. “Open source” is being registered as a certification mark by public interest software organizations, which is also a means of creating a formal definition of open source.

Memory-Leaks – Jetty 8 Memory Leak on Server

I have performed a memory dump and analyzed it with a memory analyzer. It shows 73% of the memory occupied by the java.lang.ref.finalizer object. Let me see Look at what is inside this very large o

October 13, 2021By Simo Jetty jetty, leak, Leaks, memory, serverLeave a Comment

Nginx details reverse proxy, load balancing, LNMP architecture online dynamic website

Introducing nginx 13 13 span style=”color: #000000;”> Nginx is a very lightweight HTTP server written by Russians, Nginx, which is pronounced “engine X” is a high-performance HTTP and reverse

October 13, 2021By Simo Nginx architecture, balance, detailed, dynamic, LNMP, load, nginx, online, proxy, Reverse, WebsiteLeave a Comment

Built-in Jetty HTTPS boot

This time we will build a web service that supports the secure protocol SSL, namely https.
Let’s review the two encryption methods first, one is symmetric encryption and the other is asymmetric e

October 13, 2021By Simo Jetty built-in, https, jetty, StartLeave a Comment

Jetty9 installation deployment

Introduction to Jetty

Jetty is an open source servlet container that provides a runtime environment for Java-based web content, such as JSP and servlet. Jetty is written in Java language, and

October 13, 2021By Simo Jetty deployment, installation, jetty, Jetty9Leave a Comment

Spring – BindingResult and a normal target object of the BEAN name cannot be used as a request attr

See answer in English> What causes “java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name’command’ available as request attribute”? 6 Hi expert,
I have this c

October 13, 2021By Simo Spring As, Attr, Bean, BindingResult, Both, Name, object, ordinary, Request, spring, Target, UnableLeave a Comment

Springboot + mybatisplus integrates and uses reverse engineering

First introduce the maven dependency: this is the dependency that needs to be introduced when reverse engineering when integrating mybatisplus

com.baomidou
mybatis-plus-boot-starter
2.3

October 13, 2021By Simo Spring and, Engineering, integration, mybatisplus, Reverse, Springboot, Springboot + mybatisplus, useLeave a Comment

Nginx configuration file

# Example of nginx.conf file
user nobody;
worker_processes 8;
error_log varlog/nginx/error.log error;
#pid logs/nginx.pid

events {
use epoll;
worker_connections 50000;
}

http {
incl

October 13, 2021By Simo Nginx configuration file, nginxLeave a Comment

Nginx: Unknown Directive “Location”

This is my code (from line 35):

location /
{
index index.php;
root /home/body;
if ($request_filename !~ (js|css|images|robots\.txt |index\.php.*)) {
rewrite ^/(.*)$/index.php/$1 last;
}

October 13, 2021By Simo Nginx instruction, location, nginx, UnknownLeave a Comment

Nginx CRLF (Renewal Enter) Injection Vulnerability

nginx CRLF (carriage return) injection vulnerability reproduces

< span style="font-size: 18px;">1. Vulnerability description

CRLF is “Enter+ “Line feed” (
) is the abbreviation, and it

October 13, 2021By Simo Nginx CRLF, Enter, injection, nginx, Reclaim, Vulnerability, WrapLeave a Comment

OpenResty ——– Core implementation

Foreword The first two articles introduce the core concepts and advantages and architecture of OpenResty respectively. It is recommended to watch it at least once before proceeding with this artic

October 13, 2021By Simo Nginx article, Core, execution, OpenResty, stageLeave a Comment