Tags: Tools

How to Use Git Version Control System in Linux [Comprehensive Guide]

Version Control (revision control or source control) is a way of recording changes to a file or collection of files over time so that you can recall specific versions later. A version control system (or VCS in short) is a tool that records changes to files on a filesystem. There are many version...
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Think Global: How to Overcome Cultural Communication Challenges

In today's workplace, our colleagues may not be located in the same office, city, or even country. A growing number of tech companies have a global workforce comprised of employees with varied experiences and perspectives. This diversity allows companies to compete in the rapidly evolving...
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A Look at Fundamental Linux sed Commands

Linux administrators who want to modify files without overwriting the original have many options, but one of the most efficient tools is the stream editor -- or sed. The stream editor is a default part of most Linux distributions. It enables you to perform text file manipulations in the operating...
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Kenzan kr8sswordz
In the final part of this series, we will set up CI/CD hooks for the Kr8sswordz Puzzle app.

Set Up CI/CD for a Distributed Crossword Puzzle App on Kubernetes (Part 4)

Part 3 had us running our Kr8sswordz Puzzle app, spinning up multiple instances for a load test, and watching Kubernetes gracefully balance numerous requests across the cluster. Though we set up Jenkins for use with our Hello-Kenzan app in Part 2, we have yet to set up CI/CD hooks for the...
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Carnegie Mellon is Saving Old Software from Oblivion

A prototype archiving system called Olive lets vintage code run on today’s computers. Researchers’ growing dependence on computers and the difficulty they encounter when attempting to run old software are hampering their ability to check published results. The problem of obsolescent software is...
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crossword app
In this third installment of our series, we get to the main event: running our Kr8sswordz Puzzle application.

Run and Scale a Distributed Crossword Puzzle App with CI/CD on Kubernetes (Part 3)

In Part 2 of our series, we deployed a Jenkins pod into our Kubernetes cluster, and used Jenkins to set up a CI/CD pipeline that automated building and deploying our containerized Hello-Kenzan application in Kubernetes. In Part 3, we are going to set aside the Hello-Kenzan application and get to...
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Convert Screenshots of Equations into LaTeX Instantly With This Nifty Tool

Mathpix is a nifty little tool that allows you to take screenshots of complex mathematical equations and instantly converts it into LaTeX editable text. LaTeX editors are excellent when it comes to writing academic and scientific documentation. There is a steep learning curved involved of course....
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5 Things Your Team Should Do to Make Pull Requests Less Painful

In this article we’ll go over some best practices that help ensure good pull requests. Writing good pull requests and having an effective workflow will increase a team’s productivity and minimize frustration. Although a pull request is traditionally considered the final point in the developer...
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Kubernetes
In this tutorial series, we show how easy it is to set up a fully-containerized application stack in Kubernetes with a simple CI/CD pipeline to manage the deployments.

Set Up a CI/CD Pipeline with Kubernetes Part 1: Overview

What’s New? We’ve updated the four parts of this blog series and versioned the code along with it to include the following new technology components. Jenkins Plugin Kubernetes Continuous Deploy has  been added to deployments. https://plugins.jenkins.io/kubernetes-cd Kubernetes RBAC and...
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The Illustrated TLS Connection

Every byte of a TLS connection explained and reproduced. In this demonstration, a client has connection to a server, negotiated a TLS 1.2 session, sent "ping", received "pong", and then terminated the session. Click below to begin exploring. Client Hello   The session begins with the client...
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