How to restore missing ‘Mobile Data’ and ‘Mobile Hotspot’ quick settings menu icons on Samsung Galaxy mobile devices

Recently, I have updated my Samsung Galaxy S7 to Android 7.0 Nougat and realized that I am missing both ‘Mobile Data’ and ‘Mobile Hotspot’ quick settings menu icons/toggles. For some reason, Samsung has decided to disable adding them into the menu. The following post shows you how to add them back using Android platform tools and ADB. [Read more…]

The State of CrowdSourcing in Canada

The CrowdSourcing model allows the internet masses to partake in any profit or non-profit idea, such as solving problems (crowdsolving), finding lost items (crowdsourcing), or become a source of funds to startup businesses (crowdfunding). The following short ‘work-in-progress’ article looks at the history and growth of crowdsourcing and assesses the value of crowdsourcing in Canada. [Read more…]

Shell script to automatically remove old AWS Lightsail snapshots (and retain a specific number of backups)

In the first post, I have explained how to schedule nightly backups of Amazon Lightsail Instance by leveraging AWS Command Line Interface (CLI). In this post, I’ll show you how to create a bash file that can be scheduled to remove old AWS Lightsail snapshots and retain only a specific number of snapshots in your account.

[Read more…]

Cloud-based Application Design for Availability and Reliability

According to Amazon’s guide to Cloud Best Practices (2017), “If you design for failure, nothing will fail.”. The recommendation given is to “Be a pessimist when designing architectures in the cloud; assume things will fail. In other words, always design, implement and deploy for automated recovery from failure.”

Jinesh Varia, Lead Technology Evangelist at Amazon AWS, took it further by specifying a total of 12 design patterns (best practices) that all businesses should consider when designing highly available and reliable cloud applications (Figure 1).

Figure 1 – Building Powerful Web Applications in the AWS Cloud (Varia, 2011). [Read more…]