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@amanjuman
amanjuman / readme.md
Last active October 16, 2025 20:10
Install 3CX on Debian 12 Bookworm

Install the dependencies:

apt update && apt install sudo wget gnupg gnupg2 dphys-swapfile -y

Verify the PGP Key

wget -O- https://repo.3cx.com/key.pub | gpg --dearmor | sudo tee /usr/share/keyrings/3cx-archive-keyring.gpg >> /dev/null
@Hakky54
Hakky54 / openssl_commands.md
Last active November 13, 2025 12:38 — forked from p3t3r67x0/openssl_commands.md
OpenSSL Cheat Sheet

OpenSSL Cheat Sheet 🔐

Install

Install the OpenSSL on Debian based systems

sudo apt-get install openssl
@moopat
moopat / SocialSecurityValidator.java
Last active November 9, 2021 11:57
Basic Validator for the Austrian Social Security Number.
package at.swe01;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class SocialSecurityValidator {
public static void main(String[] args) {
@plentz
plentz / nginx.conf
Last active November 22, 2025 15:18
Best nginx configuration for improved security(and performance)
# to generate your dhparam.pem file, run in the terminal
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048