Tarek Kalaji 101t

Rust Tips and Tricks

I wrote my notes here about Rust programming language.

Variables:

Ownership rules

Each value in Rust has a variable that's called its owner.
There can only be one owner at a time.
When the owner goes out of scope, the value will be dropped.

The rules of References

At any given time, you can have either one mutable reference

How to install an ERPNext Stack on Ubuntu 20.04

Introduction

ERPNext is an Enterprise Resource Planning (ERP) suite that leverages the power and flexibility of open-source technologies. It excels at manageing core business process such as finance, sales, HR, Manufacturing, Purchases, Services, Helpdesk, and more. Among the benefits of implementing a system like ERPNext are:

Better productivity by automating repetivity business process
Improved IT efficiency by sharing a database for all departments within the company
Better decising-making thanks to an integral vision of how business units relate to each other

ERPNext is based on Frappe framework, a full-stack web application written in Python that takes full advantage of the NodeJS and JavaScript runtime environment and uses MariaDB as its database backend, One of the best advantages of Frappe-based application is the bench command-line utility.

NGINX frequently used configurations

NGINX Static IP Proxy Forwarding

upstream git_server {
    server xx.xx.xx.xx:6060;
}
server {
    listen 80;
 server_name git.domainname.com;

Run and build docker project

docker-compose -f docker-compose.yml up --build

Docker Build and Deployment

# docker build -t template_name:version_tag .
docker build -t micro_service:1.2.1 .

Odoo OpenUpgrade Database Migration

Aftar install and configure OpenUpgrade on your local linux:

python3 ./migrate3.py --config=odoo12-server.conf --database=mydb12 --run-migrations=12.0,13.0 --branch-dir=/var/tmp/openupgrade

Convert your Image into ASCII art picture:

# Python code to convert an image to ASCII image. 
import sys, random, argparse 
import numpy as np 
import math 

from PIL import Image

PowerShell Snipps Commands

* Rename Multiple file/folder

Rename only under directory

get-childitem prefix_* | foreach { rename-item $_ $_.Name.Replace("prefix", "another_prefix") }

Rename recursivly under directory

RaspberryPi small commands

if files seems readonly file:

sudo mount -o remount,rw /root_bypass_ramdisks

set configurations

sudo raspi-config

Deployment Guide to Installing Odoo 14 on Ubuntu 18.04 / 20.04

	import React from 'react';
	import { render } from 'react-dom';
	import { createStore } from 'redux';
	import { connect, Provider } from 'react-redux';

	const reducer = (state = {counter: 0}, action) => {
	switch (action.type) {
	case 'INCREMENT':
	return {...state, counter: state.counter+1};
	case 'DECREMENT':