Misunderstanding of roles in IT Architecture

One fascinating experience that I had over the years is the lack of understanding of roles in IT, especially in the area of IT architecture. I had to deal with many who thinks that architecture is just architecture and there is only 1 role for architecture, full stop. This makes it very difficult when these
Read More »

Free Cloud Services from Oracle

Trying to find a free hosting service for your small project or your website? Tired of those shared hosting services, where it’s unreliable, company (therefore services) may not last for long? Why don’t give some free cloud services a try? You might be aware of AWS free tier services, which allows you to run an
Read More »

Enterprise Application Integration Platform

Selection criteria: User management All in one – features – API (doc, pub, market, approval wf, key generation), MQ, Kafka, MQTT, Security – access management, SSO, API system auth, role mapping Logging & monitoring Code management – cvs, api – ci/cd reusability – marketplace, global error handling, recipes UX – browser & desktop IDE, low
Read More »

pfSense + CloudFlare + Let’s Encrypt with acme bug

I’ve recently try to manage Let’s Encrypt certificates for my pfSense with acme package. My DNS is managed in CloudFlare. I was happy to see that Let’s Encrypt and CloudFlare are supported and tried it out. Unfortunately, I was stuck with error after error: ErrorError add txt for domain:_acme-challenge.xxx.yyy.com_on_issue_errPlease check log file for more details:
Read More »

Ad blocking addon to pfsense

Go to your pfsense console. Go to System->Package Manager, and look for pfBlockerNG, then click Install button Once installed, go to Firewall->pfBlockerNG Check the box for Enable pfBlockerNG, then scroll all the way down to the bottom of the page, and click Save Go to DBSBL, and check the box next to Enable DBSBL. Then
Read More »

Home Automation – The Basic

Creating a smart home, with connected devices have been gaining popularity over the recent years. This applies to both residential and commercial fields. Over the past 2 years, I’ve managed to play around with this at home, and managed to introduced a number of smartness into my home. What is Smart Home? What is Automation?
Read More »