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#scan local network for clients
sudo arp-scan --interface=enp4s0 --localnet

#live monitoring of network traffic and datavolume
nload

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Reset all user settings for VSCode (Code OSS) on Linux

(Archlinux in my case)
Reset all settings and extensions. Like a fresh and clean VSCode installation.

• Close VSCode
• Remove the ~/.vscode-oss folder and the ~/.config/Code - OSS/ folder

~ is a shorthand for your user folder /home/username but should work on all unix systems

Via Console:

WARNING: This will remove all your settings and installed extensions without any prompt

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Guide to install a LAMP system on on your archlinux system and serve php-based database applications.
LAMP stands for a Linux system with Apache (webserver), MariaDB (database) and PHP (programming language). In this guide we will also install PhpMyAdmin (database admin GUI) to easily manage the SQL tables.

Apache

The Apache HTTP Server is an open-source and free product of the Apache Software Foundation and one of the most widely used web servers on the Internet. In addition to factors such as performance, expandability, security, freedom from license costs and support from a very large community, its long-term availability for a wide variety of operating systems is one of the reasons for its widespread use; it is most frequently used as a LAMP system.

Install packages

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Format php file in Visual Studio Code

Install theese two extensions:

• https://marketplace.visualstudio.com/items?itemName=kokororin.vscode-phpfmt
• https://marketplace.visualstudio.com/items?itemName=rifi2k.format-html-in-php

Use the format-html-in-php to format the html snippets and phpfmt to format the php snippets

Note: This solution is really not perfect. If anyone knows a simpler way, feel free to write a comment!

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This guide shows all steps to deploy a webapp on uberspace.

NOTE: This shows my personal workflow. This might not be fitting for your webapp.

Clone git repo

git clone <URL>

Install dependecies and build

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/**
 * Formats a date as string specified by a template string
 * @param date Date to be formatted
 * @param templateString Template of the expected format. e.g. "YYYY-MM-DD hh:mm:ss" or "YY-M-D h:m:s" to trim leading zeros
 */
export function formatDate(date: Date, templateString: string): string {
    const year = date.getFullYear().toString();
    const shortYear = date.getFullYear().toString().substr(2, 2);
    const month = date.getMonth() < 9 ? "0" + String(date.getMonth() + 1) : String(date.getMonth() + 1);
    const shortMonth = String(date.getMonth() + 1);

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<?php

$default_info = 
"<br><b>Persönliche Daten</b><br>"
."<b>Name:</b> Detlef Dummy<br>";

$TOKEN = "superSecretToken";

$code = $_GET["code"];
$name = $_GET["name"];

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import * as child_process from 'child_process'

/**
 * Executes a shell command and return it as a Promise.
 */
export function exec(cmd: string): Promise<string> {
    return new Promise((resolve, reject) => {
        child_process.exec(cmd, (error, stdout, stderr) => {
            if (error) {
                reject({ error: error, stderr: stderr });

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Use mysql CLI

mysql --user=my_username --password

Create a new user

CREATE USER 'username'@'localhost' IDENTIFIED BY 'password';

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This sounds easy but... it isn't!

Client side

Use this fetch options:

fetch('superUnsecureCorsUrl',{
   credentials: 'include'
})