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The garage where I'm tinkering with DIY, electronics, open-source and other interesting stuff

IBM 3270 Screen Scraping And Automation

IBM 3270 Screen Scraping And Automation

November 27, 2019 · by Hendro · in IT, Open Source

In the late 1980s, when IBM PC had proliferated while I was still supporting IBM mainframe, I wrote a PC tool that sent commands to the mainframe and received responses back via the PC 3270 terminal emulator. This tool helped to…

Ubuntu Cloud Desktop with X2Go

Ubuntu Cloud Desktop with X2Go

July 8, 2019 · by Hendro · in IT, Open Source

This guide is using X2Go as an alternative to VNC (or noVNC) for accessing remote Ubuntu Desktop as described in the previous article. Similar to VNC, X2Go is an open-source remote desktop software that enables access to a Linux graphical…

Ubuntu Cloud Desktop: Adding GUI to Your Cloud Server Instance

Ubuntu Cloud Desktop: Adding GUI to Your Cloud Server Instance

April 7, 2019 · by Hendro · in IT, Open Source

When you are going to install Ubuntu on a local machine, there are always two versions to choose: desktop or server. Whereas if you want to deploy Ubuntu on the cloud, most cloud service providers only provide server version. This makes…

Setting up Single Sign-On (SSO) with IBM Cloud App ID, simpleSAMLphp and LDAP

Setting up Single Sign-On (SSO) with IBM Cloud App ID, simpleSAMLphp and LDAP

June 22, 2018 · by Hendro · in IT, Open Source

For an organization who plans to deploy public cloud application to their internal users, one in the top list that needs to be considered carefully is how to authenticate the users. Most of the organization have an existing intranet, behind…

Build Yourself - Hakko T12 Compatible Soldering Iron Station

Build Yourself – Hakko T12 Compatible Soldering Iron Station

March 8, 2018 · by Hendro · in DIY, Electronics

One of the fundamental skill needed as electronics enthusiast is that of soldering. For this purpose, you need a common soldering iron that typically has a power rating of 20-30 watts or so, which is fine for most work. But…

Email Forwarding for Creating FREE Email Accounts with Your Domain Name

Email Forwarding for Creating FREE Email Accounts with Your Domain Name

October 24, 2017 · by Hendro · in DIY, IT

I already own an internet domain name that I use for my website. Later on, I have a need to create several email accounts with the same domain address. The common solution would be to subscribe to an email hosting…

Look Ma! My $5 Pi Zero Thinks It is a Mainframe.

Look Ma! My $5 Pi Zero Thinks It is a Mainframe.

October 16, 2016 · by Hendro · in DIY, Open Source

OK, it is not the first. But I couldn’t resist to have fun with it anyway. It is driven by personal nostalgia and fascinated by how computer has achieved such impressive price performance improvement over time that I experience myself….

Raspberry Pi Serial Console

Raspberry Pi Serial Console

August 25, 2016 · by Hendro · in Electronics

Often you may need to run Raspberry Pi headless, that is without monitor and keyboard+mouse. To access this Raspberry Pi then you use SSH or similar remote access utility from your PC. The method requires that there is network connection…

CH340G USB to Serial Adapter

CH340G USB to Serial Adapter

August 22, 2016 · by Hendro · in Electronics

Historically, the most popular USB to Serial Adapter is the one that is based on either FTDI FT232 chip or Profilic PL2303 chip. Due to its popularity, as usual the market is then flooded with  cheaper counterfeit chips from China….

How to add Swap File on Linux Cloud Server

October 16, 2015 · by Hendro · in Open Source

It is common that swap partition was created and reserved during installation of on-premise Linux server.  Even if it was not, you can always add swap partition easily as long as you still have spare disk space. That is not…

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Recent Posts

  • IBM 3270 Screen Scraping And Automation
  • Ubuntu Cloud Desktop with X2Go
  • Ubuntu Cloud Desktop: Adding GUI to Your Cloud Server Instance
  • Setting up Single Sign-On (SSO) with IBM Cloud App ID, simpleSAMLphp and LDAP
  • Build Yourself – Hakko T12 Compatible Soldering Iron Station

My articles published elsewhere

  • Connect Espressif ESP8266 to IBM Watson IoT Platform
  • Cloud-ready temperature & humidity sensor for IBM Watson IoT Platform
  • Alexa, Let There be a Light

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