The Breakroom | Manuel Domínguez-Dorado

When I have time, when I feel the urge, or when my body asks for it, I write a post on this blog. No pressure, no stress. Sometimes I’ll write a couple of things in a week, and then go a whole year without posting anything. It’s simply my space to unwind—a place where I share thoughts I believe might interest someone else.

JGlobalDateTime project

Easily compare instants with time zones in Java
By Manuel Domínguez-Dorado
Posted on a moment of inspiration ;-)

Application development has evolved significantly over the last decade. Nowadays, no one develops applications (mobile, web, or desktop) without considering that potential users may be spread across the globe. And if that’s the case… synchronization must be considered. Like it or not, time zones exist and must be dealt with.... [Read More]
Tags:
- projects
Installing a Home MQTT Broker (and IV)

Adding user authentication and access control
By Manuel Domínguez-Dorado
Posted on a moment of inspiration ;-)

Apologies again for the long gap since the third part of this series. I’ve been overwhelmed like I haven’t been in a long time. Anyway, here is the fourth and final installment I promised for our home MQTT broker. [Read More]
Tags:
- testbed
Installing a Home MQTT Broker (III)

Configuring Mosquitto with SSL/TLS secure connections
By Manuel Domínguez-Dorado
Posted on a moment of inspiration ;-)

Hello, sorry for the delay. I finally found a moment to continue this series. In the first article I explained that I wanted to use a Fujitsu Futro S450 thin client as a permanent MQTT broker for my local environment. I also explained the hardware upgrades I made so it... [Read More]
Tags:
- testbed
Installing a Home MQTT Broker (II)

Setting up Ubuntu and Mosquitto broker
By Manuel Domínguez-Dorado
Posted on a moment of inspiration ;-)

In the previous article I explained that I wanted to use a Fujitsu Futro S450 thin client as a permanent MQTT broker for my local environment. I explained how I made several hardware upgrades so it could run an MQTT broker more or less comfortably and at low cost. That’s... [Read More]
Tags:
- testbed
Installing a Home MQTT Broker (I)

Repurposing a Thin Client for MQTT
By Manuel Domínguez-Dorado
Posted on a moment of inspiration ;-)

At home I have an MQTT Broker configured on a Dell T310 Tower Server that I generally use when I’m developing applications “seriously.” It supports TLS, authentication and ACL in MySQL, clustering, has a tuned kernel… But I don’t keep it permanently connected to avoid excessive power consumption. However, I’m... [Read More]
Tags:
- testbed
Investment in Education (ICT) from My Perspective

Not a waste but an investment
By Manuel Domínguez-Dorado
Posted on a moment of inspiration ;-)

More than 4 decades ago, I was a teenager and had the good fortune to win a computer in a contest. A computer with 640 KB of RAM, a mouse, a 30 MB hard drive, low-density 3.5” floppy disks, a grayscale monitor, MS-DOS and Windows 1… which I had on... [Read More]
Tags:
- opinion
2nd GIDIP Gastro-Meeting (Mérida)

A new opportunity to share projects
By Manuel Domínguez-Dorado
Posted on a moment of inspiration ;-)

The Project Management Institute (PMI) is the international non-profit organization under whose umbrella the Project Management Professional (PMP) Certification was created, of which it is the guarantor. PMP is based on the set of best practices PMBoK (Project Management Base of Knowledge) and is, de facto, the most international standard... [Read More]
Tags:
- associations
OpenSimMPLS simulator

A java-based, standalone, network simulator
By Manuel Domínguez-Dorado
Posted on a moment of inspiration ;-)

Very occasionally, there is a situation where one develops something thinking it will be a “quiet” project, and ends up realizing that the project has unexpected acceptance. That happened to me with the OpenSimMPLS simulator; I initially developed this simulator in the context of my final degree project (FDP) in... [Read More]
Tags:
- projects

JGlobalDateTime project

Easily compare instants with time zones in Java

Installing a Home MQTT Broker (and IV)

Adding user authentication and access control

Installing a Home MQTT Broker (III)

Configuring Mosquitto with SSL/TLS secure connections

Installing a Home MQTT Broker (II)

Setting up Ubuntu and Mosquitto broker

Installing a Home MQTT Broker (I)

Repurposing a Thin Client for MQTT

Investment in Education (ICT) from My Perspective

Not a waste but an investment

2nd GIDIP Gastro-Meeting (Mérida)

A new opportunity to share projects

OpenSimMPLS simulator

A java-based, standalone, network simulator