Hi there, I'm Edson Bernardo dos Santos, and I've been working in the IT industry for so many years now. I am very proud to have known many good people on this journey. It's been interesting.

The idea of the blog is to share knowledge and learn and improve skills …

Kubernetes Resource Kit

What is Kubernetes?

Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications.

Learn Kubernetes Basic

Learn Kubernetes Basics

Listen to Kubernetes Podcast

Creating and Managing a Service

Creating the Deployment Manifest for Nginx

Here is an example of a …

AWS - Amazon Web Services

AWSCLI V2 via Curl (Linux Command Line)

curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
unzip awscliv2.zip
sudo ./aws/install

Please look for this page to more info

AWSCLI V2 Official Installation Page

Working with EC2 Instances

Launching EC2 Instance via aws cli …

GitOps and ArgoCD

ArgoCD Tutorial for Beginners | GitOps CD for Kubernetes by Nana Kasten.io

Istio and Service Mesh

Istio & Service Mesh - simply explained in 15 mins by Nana Kasten.io

Kubernetes resources and Limits

Setting Resource Requests and Limits in Kubernetes by Google Cloud

Culture vs Roles (DevOps vs …

Setting up your development environment with Hashicorp Vagrant

Hi there, I've been working with Vagrant for a while, and I'm still impressed!

In my opinion is the perfect environment for development!

You have great cloud-based options out there like :

Instruqt

or

KillerCoda

I highly recommend you guys check that out …

Python

Python Simple HTTP Server

python -m SimpleHTTPServer 8080 (python 2x)
python -m http.server (python 3x)

Installing pip

python3 -m pip install package

The example above is very useful if you want to open temporarily logs or HTTP connection to your clients".

REPL IT

Check this out …

Docker Resource Kit

Installing Docker

Ubuntu

curl -sSL https://get.docker.com/ | sudo sh

MacOS

brew install docker

Docker Compose

Find below the link with instructions:
Docker Compose Install

Important tip: Always check if you have your Docker Repo updated:
- /etc/yum.repos.d/docker.repo (RHEL)
- /etc/apt/sources …

Backup using shell script (this example weblogic domain)

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#!/bin/bash -e
set -euf -o pipefail
echo "Starting Backup"
DATE=`date +%Y-%m-%d-%H.%M.$$`
echo "Starting Backup, except *.tar extensions"
tar -zcvf blog-"${DATE …

WEFORUM.ORG: Work and live in Silicon Valley, probably the IT everybody's dream right? Well, not sure, cowboy, I have good news! See the link below where shows Europe Market more and more solid, good reading:

Europe Tech Market -- see the outstanding Numbers

Poland the new Germany

Check this Video …

WebLogic Hacks

Decrypt or Encrypt passwords

Extract - wlsdecrypt usage

You must copy $WLS-DOMAIN-HOME/security folder first, then run the command below inside this folder.

 Decrypt
 /opt/oracle/Middleware/Oracle_Home/wlserver/common/bin/wlst.sh wlsdecrypt.py boot.properties or

 Encrypt
 /opt/oracle/Middleware/Oracle_Home/wlserver/common/bin/wlst.sh wlsencrypt …