Apr 29, 2021A TDD Example for Bash Command Chaining in GoEvery sysadmin knows the following command chain to produce a hashed string : $ echo MyBankPassword | md5sum | awk '{print $1}' 2210253a2a6e6482bb373b668d7b3e90 Out of curiosity, I decided to write a simple function in Go to try emulating the same behavior : The logic of the function are : …Go4 min readGo4 min read
Mar 28, 2021Simple CI/CD Pipeline in AWS : Trigger JAR Build on CodeCommit EventsA simple and automated JAR package build using AWS services. Primer AWS services used are : AWS CodeCommit : A fully-managed source control service. A GitHub on AWS. AWS Lambda : A serverless compute service that lets us run code without provisioning or managing servers. AWS CodeBuild : A fully-managed continuous…AWS6 min readAWS6 min read
Jan 18, 2021Excerpts from 2020For me, 2020 was a dent in space-time continuum, a chapter of homecoming (literally!), a period when I realized how many time I’ve wasted in previous years filling the book cabinets instead of emptying them. It was an epiphany. I spend more of my time and bank credits for books…5 min read5 min read
Jun 20, 2019Basic Programming Construct in ScalaI am in the middle of Jose Portilla’s highly entertaining Scala and Spark for Big Data and Machine Learning course in Udemy. The course delivery is on point and easy to follow for novices like me; I could not recommend this course more highly. This note is my (naive) answers…Programming3 min readProgramming3 min read
May 20, 2019Offline Installation of Anaconda PythonProblem Statement My daily workloads consist of data analytics stuffs like report generation automation and capturing node performance statistics, and some NetOps automation (configuration management, file transfer, CLI adhoc check). I was given a bare metal server with plain CentOS 6 as its operating system, without internet connectivity. Offline installation is a…Python3 min readPython3 min read
Apr 3, 2019Interfacing with Database : Python and Go ImplementationWhile I am a systems engineer by chance, but recent events make me want to work and brush up my data skills again. Originally posted in : https://nng.io/interfacing-with-database-python-go-implementation/ It goes without saying that every journey in data analytics starts by learning SQL, the most mainstream language that is used to…Golang4 min readGolang4 min read
