A curated list of “Top” based monitoring tools for use in Linux and Unix terminals. *I initially made this article only including those tools with top in their name but given this excludes many other great tools, I have relaxed this. Over the years several terminal-based tools have emerged for real-time monitoring of UNIX/Linux servers with respect to hardware related metrics such as Memory, CPU…

The Archimedean Spiral is a curve that is one of several types of spiral functions. It is traced out by a curve which moves outwards from a point, moving further away as it revolves around that point at a constant speed. …

Sine, Cosine and Tangent (AKA sin, cos and tan) are trigonometric functions we learn at school to solve angles and sides of a triangle using some infamous and quirky acronyms “SOHCAHTOA!”. Although it very much helps us interrogate a triangle and sketch out waves, we lose so much understanding of…

Gaussians as Exponential Imposters The notion of using a gaussian function as an imposter of an exponential can feel somewhat illogical. Even though they have the exponential exp in common, the two functions have very different distinct shapes. …

The Covid-19 pandemic has accelerated the adoption and broadened the application of QR codes in day to day life. Most notably, it's been used as a part of track and trace systems and digital vaccine passports in government efforts across the world to tackle the pandemic. Aside from pandemics, it's…

Bitbuckets pipelines is a great out the box tool for continuous testing and deployment. However, depending on the environment you need for building and testing your software this can take a very long time when using conda. There are several general strategies that can be employed to speed up setting…

I’ve struggled to find a simple guide for this, so here is one! I’m going on the assumption you have a standard Jenkins setup already in /var/lib/jenkins and running it as the jenkins user. Now let us get down to business on Jenkins: In order to get Jenkins to use…

YAML (YAML Ain’t Markup Language) is a frequently used data serialization language that is often used as configs for tools such as Kubernetes, Jenkins and serverless framework, it is supported in some fashion by most popular programming languages. More often than not we are keeping these YAML files in version…

tl;dr: This is a guide to change the encryption type of all objects in a bucket for the following cases: SSE-S3 → SSE-KMS SSE-KMS → SSE-S3 SSE-KMS → SSE-KMS (When the first KMS is different to the second one) no encryption → SSE-S3 no encryption → SSE-KMS First Point: AWS…