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This problem may occur when you install other applications that also install Java and the vendor does not want to change your browser settings.

This article will use Apache to build an ultra-simple web server on Ubuntu 18.04. The whole process is very simple. And the method of Apache to modify the website root directory and default webpage.

In Linux, when a file is created, the owner of the file is the user who created the file. The file user can modify the owner and user group of the file.

TeamSpeak is a very popular cross-platform VoIP and text chat application. Software adopts a client-server architecture, which can process thousands of users in real time.

Open source software has become the basic building block of some of the largest websites. As these sites have evolved, best practices and guiding principles surrounding their architecture have emerged.

The scalable architecture design of the website is the ability to sustainably expand and improve system functions with minimal impact on the existing system.

In the Python script, is there a command/function to delete all variables from the workspace, release them from the system memory, and clear all variables at some point.

This article lists in detail some simple command line for upgrading Ubuntu software and ubuntu system.

Linux is a multi-user and multi-tasking operating system. You can set different operating environments for different users in Linux. The specific method is to set environment variables for different users.

This article introduces various find commands of Linux, examples including find, grep, which, whereis, locate commands, etc.

The 403 Forbidden error is an HTTP status code that means that for some reason, access to the page or resource you are trying to access is absolutely forbidden.

XSS is a computer used in web applications. Security vulnerabilities, which allow malicious web users to implant code into pages that are provided to other users.

XSS usually refers to an attack in which hackers modify the page through "HTML injection" and insert malicious scripts to control the user's browser when the user browses the page.

After looking up some information, I found that Squid is usually used to build a proxy server on Linux, but after a lot of toss, I found that it is relatively cumbersome to build a proxy server with Squid.

The server is fundamentally different from the PC host. Servers are mainly used in databases and Web services, while PCs are mainly used in multimedia technology and network terminals.

HTTP errors are mainly divided into three categories: user equipment, web server, and connection. When the client sends an HTTP request to the Web server, the server will return a response code.

HTTP Status Code (HTTP Status Code) is a 3-digit code used to indicate the HTTP response status of a web server. It is defined by the RFC 2616 specification.

This tutorial will show you how to copy a MySQL database from one server to another. First, create a new database using the CREATE DATABASE statement.

When users browse the page, the HTML codes embedded in the web will be executed, so as to achieve the special purpose of malicious attacks on users.

Cross site scripting (XSS) is a code injection attack. The attacker injects malicious script into the target website to make it run on the user's browser.