Networks – Geronimo/370

My command center

Posted on2019-12-242019-12-242 Comments

In the image you can see my ‘command center’. I run 5 emulated mainframes, four of them on Raspberry Pi’s and one of the in the cloud. With all five system you see a 3270 terminal and the emulator console next to each other: Top left is my cloud system,… Read the rest

Made my home cloud server

Posted on2019-12-072019-12-07

Today I finished setting up my own home cloud server – on a Raspberry Pi 4. I did that using the software provided by Nextcloud. It’s relatively easy to set up once you have it installed. The installation includes setting up a firewall, a webserver (using LAMP), a self signed… Read the rest

1957 – Birth of the internet

Posted on2019-04-182019-04-18

Cool video about how the internet came to be what it is today:… Read the rest

Honoring a giant

Posted on2019-01-012019-03-23

Larry Roberts (✝) Today, I would like to remember a pioneer, an internet giant, who passed away on December 26, Larry Roberts. He was the project manager of the ARPA net project, which was the precursor to the internet. He might not be the most well known person in this… Read the rest

S/370’s up again

Posted on2018-12-152019-03-23

Finally, ready, my IBM S370 OS’s are live again. It took some tinkering to get them running on the new SSD drives, but here we are: … Read the rest

Datacenter up again

Posted on2018-12-152019-03-23

After a crash yesterday, my ‘datacenter’ is up again. I took the time to alter the setup. It’s not on my desk anymore… 😉 Datacenter up and running again… Here you see the login screens for my two Ma’c (top) and three Raspberry Pi’s (bottom). Could I be a Startrek… Read the rest

Net neutrality

Posted on2018-01-25

Net neutrality I’m glad to see the discussion is starting up. The states of New York and Montana issued executive orders counteracting the FCC’s ruling on net neutrality. Read the article on Engadget.com.… Read the rest

IoT : Internet of Things – Combining IoT and EV3

Posted on2017-11-10

Combining IoT and EV3 Been busy today, installing ev3dev on two of my MINDSTORMS bricks, these two are Neo and Morpheus. ev3dev is a Debian variant of the Linux Operating System. After successfully installing ev3dev I also installed the python libraries to be able to control the EV3 motors, and… Read the rest

IoT : Internet of Things – Installing DietPi on my Pi Zero’s

Posted on2017-10-27

Installing DietPi on my Pi Zero’s Today I had a field day installing DietPi Linux on my Raspberry Pi Zero W’s. Start out on the Pi Zero got file DietPi_RPi-armv6-(Jessie).7z from this page unzipped it using UnArchiver on MacOS burned the image on a 16GB (Copernicus) and to a 8GB… Read the rest

IoT : Internet of Things – MQTT and Node-RED

Posted on2017-10-23

MQTT and Node-RED Everyone with at least a minor interest in technical stuff has heard of IoT, the Internet of Things. In this IoT network it’s all about connectivity, about a network of physical devices, vehicles, and other items embedded with electronics, software, sensors, actuators, and network connectivity which enable… Read the rest

Robotics on the work floor

Posted on2017-10-08

Robotics on the work floor I came across a nice video about the influence of robots on the work floor of warehouses.… Read the rest

Explanation of network protocols

Posted on2017-05-07

Explanation of network protocols Toady I ran into a series of video’s with a very good explanation on how networks and network protocols work, how they fit together and how they take care of transporting your data from A to B.… Read the rest

Should the internet remain open?

Posted on2017-01-14

Should the internet remain open? We haven’t heard the last of this… This is a question that is almost as old as the internet itself. Perhaps you have heard of the latest legislation in the US, by the FCC, that tries to regulate ‘net neutrality’, in other words: defend the… Read the rest

Raspberry Pi Used To Create A Working Mobile Network

Posted on2017-01-03

A Cambridge, U.K.-based consulting firm has managed to use the open source Raspberry Pi computer to replicate the functions normally performed by a 30-foot GSM cellular basestation to create a fully functional mobile network. Using two open source software programs, and a bit of off-the-shelf hardware kit DIY enthusiasts can… Read the rest