Category Archives: IT Featured

IT Featured Articles on cool technologies, focused on System Administration and Programming Languages

Bash TCP conection feature

Bash support tcp connection out of the box :)   So you can write something like #!/bin/bash webhost="gioorgi.com" exec 5<>/dev/tcp/$webhost/80 echo -e "GET / HTTP/1.1\r\nHost: $webhost\r\nContent-Length: 0\r\n\r" >&5 # get reply: HTTP/1.1 301 Moved Permanently^M cat <&5  
Posted in IT Featured, Unix | Tagged , | Comments Off on Bash TCP conection feature

Simple crontab utilities

https://crontab.guru/ https://crontab-generator.org/
Posted in Knowledgebase | Tagged | Comments Off on Simple crontab utilities

Simple Html debug via CSS

Add the following css lines to your CSS theme, possibly at the end div::before { content:” C:” attr(class) “” } *::before,*::after { color:red; font-weight:100; font-size:1.0em } and div classes will showup easily. Very handly while customizing WoooordPress :) This page … Continue reading
Posted in English Content, Knowledgebase | Tagged , , , , | Comments Off on Simple Html debug via CSS

The end of the Database Mangement System as we know it

In Microservices architecture, you decompose your services in a set of fine-grained services. These services are full-stack software, from front end API down to database layer. Each microservice is responsible and owns its data. For instance if you have a … Continue reading
Posted in DevOps, English Content, Software | Tagged | Comments Off on The end of the Database Mangement System as we know it

AWS ECS is NOT Docker Swarm

Amazon Elastic Container services (ECS) is the Amazon Solution for running  docker containers on Amazon. ECS is not a docker swarm implementation. I am writing this article to stress this, because this point is not very clear digging in the tutorials … Continue reading
Posted in DevOps, English Content, Knowledgebase | Tagged | Comments Off on AWS ECS is NOT Docker Swarm

Misterio: Ansible and Saltstack killer in docker

With bash & docker-compose as dependencies, Misterio is a agent-less super-customizable solution in few bash lines. Sorry Ansible/Saltstack/Puppet/Chef/... Continue reading
Posted in DevOps, English Content | Tagged , , | Comments Off on Misterio: Ansible and Saltstack killer in docker

Mail Server on Docker: sanity checks

[UPDATED 21/3/2022] I have a shiny mail server on gioorgi.com. I decided to manage it on first person because it is important to have tight control on your email, in my humble opinion. It is not strictly necessary, but lending … Continue reading
Posted in English Content, Freedom, Knowledgebase | Tagged , , | Comments Off on Mail Server on Docker: sanity checks