Change Default Shell to bash macOS Big Sur

The other day I got a new Apple M1 processor chip (I really don’t like there’s only two ‘USB-4’ ports and the ‘Magic bar’ bothers me!). But, anyways when I opened my terminal i noticed the below message and wanted to change default shell to bash for this macOS Bir Sur. I got used to …

Python’s built-in HTTP server handy one

While building my own Flask application for learning purposes. I was not sure how it was being served on the web. I did not install Apache of any other web server, but it is running on my Digital Ocean test server. The I found out about Python’s built-in HTTP server. This final purpose of this …

How to Check Linux OS version Command Line

While having a great Latin America coffee from Ecuador I came to realize that I did not remember how to check Linux OS version using the command line. Below are some examples for finding your Linux OS version. Open your command line: /etc/os-release file Type the following command using cat in Debian based distros: I …

Basic Linux Commands for Newbies

The other day one of my friends who is a Windows user asked me to basic Linux commands because he wanted to improve his IT skills. I helped him out and also decided to put together a brief list of basic Linux commands for newbies while having fantastic Latin America coffee at home. Basic Linux …

List Installed Packages in Red Hat, CentOS and Fedora

I usually work on Debian based Linux distros, but the other day while sorting some NYC street photos I took a friend contacted me asking me how to list installed packages in Red Hat, CentOS and Fedora. Using RPM Package Manager Using YUM Package Manager Using YUM-Utils Using RPM Package Manager The RPM package manager …

Run Docker without sudo Linux

To run Docker without sudo in Linux is quite simple. Using your terminal in Linux and a couple simple commands shown below. You don’t need to be an expert Linux guru software developer to go thru these steps. If you don’t want to preface the docker command with sudo, create a Linux group called docker and add users to it. …

What are SEO stop words summary

Stop words SEO are words such as ‘at’, ‘any’, ‘before’, ‘which’. While having putting together some New York City pictures for my NYC Moments website I took the other day I found myself learning more about SEO. I put together a little list of stop words in SEO. Using them in your permalink is therefore a …

Docker error: Cannot start service …: network 0927c not found

I have never seen this Docker error: Cannot start service while using docker-compose in the short time I have been using Docker. While having amazing Latin America coffee from Honduras I decided to jump back into my personal Flask project. This project is mainly to keep track of your blood pressure by taking daily readings …

Using rsync over SSH to backup or transfer files

In this tutorial we will cover the steps needed to copy files with rsync over SSH in Debian or Ubuntu platform. While having amazing Catuai coffee from Honduras I learned the following. Rsync is a great tool that allows you to transfer and synchronize data between servers. The command can be used over SSH which …

Common HTTP response status codes to Understand

Hola! While having a great cup of Caturra coffee from Panama I decided to put together the most common HTTP response status codes in a simple list. HTTP response status codes indicate whether a specific HTTP request has been successfully completed. Responses are grouped in five classes: Informational responses (100–199), Successful responses (200–299), Redirects (300–399), Client errors …