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Setup fail2ban to mitigate Brute Force Login Attempt
Posted on Jan 27, 2021
Fail2ban is a tool which can be used to scan log file (e.g. /var/log/apache/error_log) and bans misbehaved IPs. For example, use it to ban IPs which use bots to perform brute force login attempts. Recently we have setup a mail server and noticed there are some bots attempts to do random login in the...
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Tutorial: Web Push notification using Firebase
Posted in Firebase, Google, Push Notifications, Tutorial, web development on Jul 22, 2020
Another Step towards Progressive Web Application Progressive Web App (PWA) is defining the future form of web app. Google has predicted that PWA is going to replace a lot of mobile apps in coming 2-3 years. It's not a surprise that Founder of Tapzo's summarized in his article The mobile app industry...
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Build a locally trusted HTTPs server with Golang & mkcert in 20 mins
Posted on Jul 12, 2020
Golang is a statically typed, compiled programming language developed by Google. We have been using Golang as the backend API server running in docker & orchestrated by Kubernetes. The compilation of Golang program is fast, and is easy to compile it for different OS platforms. Today, our task is to ...
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Top 5 Bootstrap Editors in 2018
Posted in General, web design on Feb 22, 2018
Bootstrap 4's stable version was released on 18 Jan 2018. People are feeling excited and want to give it a try, don't you feel the same way? But what if you didn't have to write out the source code line by line and just wanted to get the visual effect by only selecting the Bootstrap components and d...
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A Beginner's Guide to SEO (Google Algorithm)
Posted in Search Engine Optimization (SEO) on Jan 25, 2018
What is SEO (Search Engine Optimization)? SEO is a practice of improving a website's visibility in search. It plays a significant role in obtaining free or organic traffic. With SEO, a website's organic rank can improve in search engines such as Google, Yahoo & Bing. An Integral Part of Any Digital ...
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Bootstrap 4's Breaking Changes That You Need to Know
Posted in web design on Jan 19, 2018
To skip the Bootstrap introduction, click here. What is Bootstrap? Bootstrap has been a widely-used front-end component library for years. Previously, it was known as Twitter Blueprint. Besides that, it is also known for its modular component, responsive design, and mobile first approach. It's easy-...
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A Wit.ai Tutorial (HTTP API)
Posted in General on Jan 04, 2018
What is Wit.ai? Wit.ai is a natural language processing (NLP) interface that turns natural language (speech or text messages) into structured data. Developers use Wit because it simplifies the process of making applications and devices that people can converse with. Without it, developers would need...
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DIY an Alexa hello World skill in 5 steps
Posted in General on Dec 21, 2017
Alexa, what is Alexa? Amazon Echo You probably have heard of Apple's Siri or Google Home. Then you can make a good guess what's Amazon Alexa. Alexa is a cloud-based personal voice assistant released by Amazon in November 2014. It was first used in Amazon Echo. Most devices with Alexa are always on...
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Which Popular Programming Languages We Use?
Posted in JavaScript, web development on Nov 06, 2017
Quite often we get asked by our clients and job candidates what are the programming languages we used in our web development. While we think that the popularity of the languages changes depend on the market demands, it's also good to know what are the programming language that gains momentum and act...
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Why you should consider PWA besides mobile App?
Posted in Mobile App, Progressive Web App (PWA) on Nov 01, 2017
What's PWAs? A Progressive Web App (PWA) is a website that make use of the modern web technologies to deliver an app-like experience to users. User can "install" PWA web page to their home screen and enjoy several features that in the past only available in the native mobile app. Key benefits of PW...
