Jack Yeh – Medium

Published in TeamZeroLabs

·Jan 29, 2021

Observability Is Not Optional

Sir, do you know how fast you were going? Nope, I didn’t buy any Dashboard Add-on, it costs seven thousands dollar extra. I rather enjoy driving without knowing how fast I am going. Living in the panel-less Fantasy Land Imagine living in a world where dashboards are not a thing. No weather forecasts. No car accelerometers…

Monitoring

3 min read

Published in TeamZeroLabs

·Jan 17, 2021

Can We Restart this Server?

The answer may be scarier than you can imagine. This one server has been up since 2017 Bare-metal servers and virtual machines are wonderful things. They are provisioned, you set them up with your favorite scripts or configuration stack. Double check that logs are forwarded, and applications are in good health, then you present the service to your…

Servers

5 min read

Published in TeamZeroLabs

·Nov 21, 2020

Start Here: Zero to JavaScript — Callback/Fetching data/Working with JSON

Bite size Javascript Lesson you can finish in 3–5 minutes! Missed the previous lesson on Built-in functions and Class? Go here. Context: You need to learn JavaScript in Less than 3 Weeks for a job interview We have all been there. I did Python and Java in college, and during the second job interview of my life, my then-boss asked me: Can you do any…

Internet

8 min read

Start Here: Zero to JavaScript — Callback/Fetching data/Working with JSON

Published in TeamZeroLabs

·Nov 20, 2020

Start Here: Zero to JavaScript — Rolling Dices, built-in Math functions, and Class

Bite size Javascript Lesson you can finish in 3–5 minutes! Missed the previous lesson on Data Types? Go here. Context: You need to learn JavaScript in Less than 3 Weeks for a job interview We have all been there. I did Python and Java in college, and during the second job interview of my life, my then-boss asked me: Can you do any frontend programming…

Internet

7 min read

Start Here: Zero to JavaScript — Rolling Dices, built-in Math functions, and Class

Published in TeamZeroLabs

·Nov 19, 2020

Start Here: Zero to JavaScript — function, for-loops, if-else

Java Script

7 min read

Published in TeamZeroLabs

·Nov 18, 2020

Start Here: Zero to JavaScript — Value Types

Bite size Javascript Lesson you can finish in 3 minutes! Context: You need to learn JavaScript in Less than 3 Weeks for a job interview We have all been there. I did Python and Java in college, and during the second job interview of my life, my then-boss asked me: Can you do any frontend programming? Do you know any Javascript? I answered honestly that…

Java Script

5 min read

Published in TeamZeroLabs

·Nov 15, 2020

2020 Node.JS Quick Upgrade Guide

Bring your repository into the future in 5 easy steps. Background Raise your hand if you have a web service written in Node running in production from 2017 and earlier untouched. … If, like me, you have more micro-services fingers on your hands, you know that some of them are long…

Nodejs

8 min read

Published in TeamZeroLabs

·Nov 8, 2020

Write a Prometheus API Exporter in Record Time

Got an API you want to monitor the trend of? You can do it really fast with the right sets of tools. Data. Is. Everywhere. With the collective effort of the entire connected world, more and more data sets are available to the public on the net. With the right keyword, you can…

Monitoring

6 min read

Write aPrometheus API Exporter in Record Time

Published in TeamZeroLabs

·Oct 17, 2020

3 Steps to Make Any Node.JS API Library Better

What I wish every Library author would do in the world of API Libraries. Background If you are building web services with Node.JS or TypeScript, chances are you have used many community-built API bindings to make 3rd Party API calls. …

Nodejs

4 min read

Published in TeamZeroLabs

·Sep 20, 2020

15 Steps to Write an Application Prometheus Exporter in GO

tl;dr: Full example code: https://github.com/teamzerolabs/mirth_channel_exporter, read on to see step by step instructions Background Exporters are the heart and soul of Prometheus Monitoring Pipelines. If you run into a situation where an exporter does not exist yet, you are encouraged to write your own. We will cover the steps required to…

Prometheus

5 min read