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Nginx Proxy Manager using Docker

Add NPM to a shared-net, then add all new web applications to same network and reference them by hostname in the proxy creation.

networks:
  shared-net:
    name: shared-net
services:
  npm:

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C# init Solution with multiple projects

mkdir SomeSolution
cd SomeSolution
dotnet new sln -n SomeSolution
dotnet new console -o ConsoleApp
dotnet new winforms -o WinFormApp
dotnet sln add ConsoleApp\ConsoleApp.csproj
dotnet sln add WinFormApp\WinFormApp.csproj

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C# in VSCode

tasks.json

{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "dotnet: build Release",
            "command": "dotnet",

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Python log to both file and stdout

import sys
import logging
from logging.handlers import RotatingFileHandler

stdout_handler = logging.StreamHandler(sys.stdout)
rotate_handler = RotatingFileHandler("logs/rotate.log", maxBytes=5000000, backupCount=10)

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Gitlab CE

networks:
  gitlab:
    driver: bridge
  shared-net:
    external: true

services:

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std::print - C++ Print formatter

• To use std::print need g++-14 and compile with -std=c++23.

  sudo apt install g++-14
  sudo rm /usr/bin/g++
  sudo ln -s /usr/bin/g++-14 /usr/bin/g++

g++ -std=c++23 print_me.cpp -o print_me

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Emscripten

• Clone and install SDK
  • save $EMSDK as environment var in your .profile/.zprofile/.bashrc/zshrc to make it easier later
  • install will run for a long time

git clone --depth=1 --recurse-submodules --shallow-submodules https://github.com/emscripten-core/emsdk.git
cd emsdk
export EMSDK=$(pwd) # save in you .profile or .bashrc/.zshrc
$EMSDK/emsdk install --shallow sdk-main-64bit # this takes a long time

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Let's Encrypt Certbot

sudo apt update
sudo apt install python3 python3-venv libaugeas0
# remove if installed from package manager, use python version
# sudo apt-get remove certbot
sudo python3 -m venv /opt/certbot/
sudo /opt/certbot/bin/pip install --upgrade pip
sudo /opt/certbot/bin/pip install certbot certbot-nginx

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Termux Config

Install Termux from F-Droid.

Update and install useful packages.

pkg update
pkg upgrade
pkg install openssh
pkg install iproute2

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Ollama OpenWebUI Raspberry Pi

• Install Ollama

curl -fsSL https://ollama.com/install.sh | sh

• Install the models

ollama run deepseek-r1:1.5b
ollama stop deepseek-r1:1.5b