Justin - Spherex

Mounting a S3 bucket to your AWS Instance

EBS storage, compared to S3 object storage is expensive. About 3.5x expensive as of this writing as AWS charges approximately $0.08 / GB for EBS storage compared to approximately $0.023 / GB of space. One other advantage of mounting your S3 bucket to your AWS instance is that it

Dipping Your Feet into Large Language Models (LLM)s

If you are new at machine learning, I highly recommend that you dive into the content provided by the MIT Introduction to Deep Learning Lecture Series provided for free at Youtube as an entry point into what machine learning is, the kind of machine learning techniques there are, what neural

Trading APIs Using Websockets

An increasing number of trading venues are now offering websockets as a connectivity medium for the relay of real time messages. It has become easier for traders with technical skills, or vendors supplying applications to integrate dashboarding and trading applications to work with realtime APIs. While the crypto world with

home

Build a DIY Server Rack with Old Hardware to Learn Cloud Skills

If you're a computer enthusiast, then you've must have enjoyed building your own PCs. But after years of PC building and upgrading hardware, what do you do with your old components? This article is an exploration of the neat things that you'll be able to do to put your old

mongodb

Object Data Models to Interact with Data in MongoDB

In our previous post on Data Modeling for Mongo, we discussed the process of creating classes to provide a schema to an otherwise schemaless database so that users are able to know about the structure of data in the database and provide helper functions to classes which would allow for

mongodb

Data Modeling for MongoDB

This is a follow on article to our previous article on running your own MongoDB instance on docker. Once you have a docker instance up, try using and extending some of these examples to write data into your running Mongo Database. Data modeling is an important aspect of working with

docker

Introduction to Running MongoDB 6 with Docker

In this article we explore using MongoDB with Docker. MongoDB is a schemaless database, meaning that arbitrary json documents are stored instead of using some sort of structured table format. Using MongoDB is a fast way to prototype new ideas without needing to do a lot of database setup, including

react

Using React with a Python Backend

For this tutorial, we provide a template repository to show how to develop a single page application with react and a python backend.

A Psycopg 2 vs Psycopg3 (3.0.15) benchmark

If you are a pythonista and regularly store data in a database, you probably will have heard about sqlalchemy (the orm library) and psycopg2 (a driver for postgresql databases). I started looking into memory server memory issues resulting from large inserts (about 2 million rows) causing an ETL pipeline of

nginx

A Dynamic Route Manager for Nginx

Dynamic routing is useful when web applications or services are launched in an ad-hoc manner. This can be simply accomplished by dynamically adding new routes to an nginx reverse proxy.

cloud

The end of Free Legacy Google Workspace -- Are you ready?

The end [https://support.google.com/a/answer/60217?hl=en] of Google's G Suite legacy is less than a month away. Do you have a migration plan? Or will you upgrade to the new version? For many of us, upgrading to the paid version of Google Workspace may make

parsing

Parse e-mail to automate your accounting process

If you operate your own business, one thing that you'll end up doing is booking expense transactions into an accounting system. For a lot of people accounting happens in many different ways – sometimes you monitor bank withdraw transactions, you get credit card notifications, purchase mails from your amazon account and

owncloud

A Beginner's Guide to Setting up your own Cloud Storage

Running your own cloud storage solution can make sense when there is a need to store your own data. While platforms like Dropbox, Google Drive, iCloud and more are available, having your own managed cloud storage can make sense as another tool in your belt for online storage. It's also

Tutorial: Use Bind9 to setup your own DNS service

If you have multiple computers at home, settings up naming for your PCs might be something nice to do to make things easier to manage instead of referring to ip addresses all the time. Sure there might be ways of doing auto discovery on your network, but having the capability

Learn about Cloud Tech by Automating Your Home Setup with Puppet or Ansible

You can learn a lot about cloud automation by doing some home automation. This is especially the case if you use linux based machines as your main computers at home. I highly recommend using any of the free distributions out there as they are free and a standard component for

Use encrypted cookie data to reduce database lookups

If you're building your own application, at one point you're going to get into doing some sort of authorization. What developers have done before is store a randomized session token in your browser to keep track of a logged in session and associate login information in the backend using some

Replace G Suite with your own mail server

For those of you that have signed up long ago for Google apps (which has become G Suite Legacy Free Edition [https://support.google.com/a/answer/2855120?hl=en] ), Google has announced last week that all G Suite Legacy Free users will need to start paying monthly subscription fees

Taking a look at benchmark results for AWS instances

In this post, we take a look at benchmark results for both single and multi core CPUs on AWS. We take an extract of published benchmark data provided by geekbench [https://www.geekbench.com/] via their browser [https://browser.geekbench.com/] for CPU benchmark data to take a closer look

Python

Using Sanic as an asynchronous http server

If you are interested in learning to code your own http server in python. I recommend, dear reader a venture into using Sanic [https://sanic.readthedocs.io/en/stable/]. Sanic is a performant asyncronous http server that uses uvloop [https://uvloop.readthedocs.io/], which is a replacement for the asyncio

Skip VBA, use JavaScript for spreadsheets

Spreadsheets are ubiquitous, they're used everywhere and probably the most beloved of them all is Microsoft's Excel. Spreadsheets have been a killer app for the last 40 years. Even before Excel, VisiCalc [https://en.wikipedia.org/wiki/VisiCalc] was the killer app that helped sell Apple II's [https://en.wikipedia.

Backing up docker volumes for beginners

Docker volumes are the preferred way of managing persistent data with running docker containers. Some reasons for this include: 1. Not needing to worry about UID/GIDs between your OS and the system in the docker container. 2. The data in the docker container becomes isolated from your file system,

Avoid small deployments with Kuberetes

If at one point you're start doing large scale cloud deployments, the infrastructure that Kubernetes to automatically manage the scalability of your platform and perform routing of requests is quite handy. But it might not make total sense when just starting out. This blog, for example runs on the smallest

$5 per month is a great deal for a cloud server

If you've ever been curious about learning about setting things up in the cloud, there is no better time than now to start learning about it. Actually, I would say that you could even save money by learning about standing up your own cloud server and run your own services

Avoid Using Snaps on Small VMs

If you're using light instances on cloud infrastructure, one thing you should avoid doing is using snaps as part of your machine setup. While using snaps is supposed to make software packaging and deployment easier, I've managed to run into a restart cycle with the snapd service where the launching

Running Hashicorp's Vault

Possibly the easiest way to run vault is to run it via docker – this way you'll not need to worry about writing and setting configurations. There will simply be 2 different modes of operation that you'll be using with vault – one is their development mode and the second is their