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Setup Postgresql

run postgresql with systemctl

Install postgres

latest

sudo pacman -S postgresql

specific version

find version & build from source

Demo:

Spoiler warning

Spoiler text. Note that it's important to have a space after the summary tag. You should be able to write any markdown you want inside the <details> tag... just make sure you close <details> afterward.

console.log("I'm a code block!");

How to get smart card reader to work on Ubuntu 22.04

Hope this will save you hours of research on how to use your browser (Chrome/Chromium/Firefox) to load PIV card using Smart Card reader (SCR3310) to do Single Sign-On such as login.gov.

Make Ubuntu to read your PIV card

Step 1

$ sudo apt install libpam-sss
$ sudo apt install opensc-pkcs11

Method 1: NFS server on LXC container

Create a priviledged LXC container with:

mount=nfs,nesting=1

apt update

apt install nfs-kernel-server

List alias

git config --global --list | grep alias

Add Alias

git config --global alias.example "ALIAS"

I wrote an in-depth research prompt to conduct a GPT-Deep-Research on the Manus topic, seeking to replicate it with currently available open source tools. This is the result:

TLDR: Manus AI Agent Report

Manus is an autonomous AI agent built as a wrapper around foundation models (primarily Claude 3.5/3.7 and Alibaba's Qwen). It operates in a cloud-based virtual computing environment with full access to tools like web browsers, shell commands, and code execution. The system's key innovation is using executable Python code as its action mechanism ("CodeAct" approach), allowing it to perform complex operations autonomously. The architecture consists of an iterative agent loop (analyze → plan → execute → observe), with specialized modules for planning, knowledge retrieval, and memory management. Manus uses file-based memory to track progress and store information across operations. The system can be replicated using open-source components including CodeActAgent (a fine-tuned Mistral model), Docker for sandbox

	#include <nytl/vec.hpp>
	#include <nytl/vecOps.hpp>

	#include <vector>
	#include <limits>

	using Polygon = std::vector<nytl::Vec2f>;

	/// Returns whether the two given convex polygons intersect using the
	/// separating axis theorem. The given polygons can be in clockwise or

	/* Utilities */

	var RANDOM = function() {};

	function _randomInt(min, max) {
	return Math.floor(Math.random() * (max - min + 1)) + min;
	}

	function _randomHex(len) {
	var hex = '0123456789abcdef';

	package com.elyesmsr.sizemodifier

	import androidx.compose.ui.Modifier
	import androidx.compose.ui.layout.layout
	import androidx.compose.ui.unit.Constraints
	import androidx.compose.ui.unit.Density
	import androidx.compose.ui.unit.Dp
	import androidx.compose.ui.unit.DpSize
	import androidx.compose.ui.unit.constrain

	import android.content.ContentValues
	import android.content.Context
	import android.os.Build
	import android.os.Environment
	import android.provider.MediaStore
	import com.google.gson.JsonArray
	import com.google.gson.JsonElement
	import com.google.gson.JsonObject
	import com.google.gson.JsonParser
	import com.google.gson.internal.Streams