Unleashing the Power: removing the speed limiter on Bafang powered e-bikes
· ☕ 6 min read · 🤖 Javy de Koning
How I removed the Speed Limiter on my Lekker Bikes Amsterdam GT
E-Bike (Bafang m420 CAN).
Auth0 with AWS Load Balancer Controller on EKS
· ☕ 1 min read · 🤖 Javy de Koning
A quick code snippet to leverage Auth0 with ALB Ingress Controller on EKS (with SSL Termination).
Shell shortcuts you should remember
· ☕ 1 min read · 🤖 Javy de Koning
These shell shortcuts will make you more productive. If you find yourself working in a shell on a daily or weekly basis, bookmark these!
Get started using Kubernetes in your homelab
· ☕ 6 min read · 🤖 Javy de Koning
Kubernetes, it’s hip, it’s here to stay and comes up in about any conversation. Today I’ve spent some time converting my single-node homelab from docker-compose to a single-node Kubernetes stack. Because I only have a single server in my lab, I will be using minikube. minikube is a tool that lets you run Kubernetes locally on a single-node Kubernetes cluster.
In this post, I’ll take you over the basics to get your network sorted and your first deployment running.
Pester 5 scope issues and calling PSScriptAnalyzer
· ☕ 2 min read · 🤖 Javy de Koning
The latest version of Pester has some breaking changes. Variables are no longer leaking to 'it' blocks. This might break some unit-tests.
Hashcat performance on AWS EC2 GPU instances
· ☕ 2 min read · 🤖 Javy de Koning
EC2 instance benchmarks for hashcat v5.1.0 on AWS g4 and p3 instances
Query VPC Flowlogs through CloudWatch Insights
· ☕ 1 min read · 🤖 Javy de Koning
VPC Flow Logs log the traffic flow in your AWS VPC. These logs contain information such as source and destination IP addresses and the packets or bytes transferred. CloudWatch Logs Insights let’s you query these logs, this can be helpful when you want to figure out what is driving the traffic cost within your network.
For example, the below query will tell you what the top contributors are to your NAT-GW cost:
Introduction to Docker and Traefik!
· ☕ 6 min read · 🤖 Javy de Koning
Learn how to define your containers with docker-compose and front them with a reverse proxy!
Build an amazing CV using LaTeX and Font Awesome
· ☕ 3 min read · 🤖 Javy de Koning
Don’t you just hate designing documents in word-processors? Well, so do I. As a Geek, I’d rather spend my time in my favorite IDE. In this post I’ll show you how to Build an amazing CV using LaTeX and Font Awesome.
Whats wrong with WYSIWYG word processors If you are not a graphic designer like me you should probably spend your time focusing on content rather then on design. Hence, for documenting most developers have switched to using markdown.
VxRail monitoring options
· ☕ 5 min read · 🤖 Javy de Koning
Recently I’ve been tasked with setting up VxRail monitoring for a Dell EMC VxRail Appliance. Even though I’ve succeeded setting this up, it was has not been a smooth sail. Therefore, I’ve written this blog to help you setup monitoring for VxRail.
Setup VxRail monitoring (EMC does not want you to) Since VxRail is initially setup by the vendor I had to get acquainted with the product first. The first thing you should probably do after taking a product into management is setup monitoring.
PowerCLI last patch date script to get VIB install date
· ☕ 1 min read · 🤖 Javy de Koning
PowerCLI last patch date You might find yourself wanting a report of when your vSphere servers have been patched for the last time. Here you will find a simple PowerCLI script that uses vSphere CLI to query the last VIB install date.
PowerCLI script: Get-VMHost | ForEach-Object -Process { [PSCustomObject]@{ 'lastpatchdate' = [datetime]((Get-ESXCli -VMHost $_).software.vib.list() | Select-Object -Property installdate -ExpandProperty installdate | Sort-Object -Descending)[0] 'host' = $_.Name 'version' = $_.version 'build' = $_.
Fixing: NanoServer Package.cat does not match the hash
· ☕ 1 min read · 🤖 Javy de Koning
Today I was deploying Windows Server 2016 Nano. After the deployment I wanted to install the IIS packages but I ran into the following error-message:
The module ‘NanoServerPackage’ cannot be installed because the catalog signature in ‘NanoServerPackage.cat’ does not match the hash generated from the module.
From PowerShell:
Find-PackageProvider NanoServerPackage | Install-PackageProvider -force Install-PackageProvider : The module ‘NanoServerPackage’ cannot be installed because the catalog signature in ‘NanoServerPackage.cat’ does not match the hash generated from the module.
Shrink Direct Access Database using PowerShell.
· ☕ 3 min read · 🤖 Javy de Koning
We recently ran into an issue where the a system was running out of space on the system-drive. After initial investigation we’ve discovered that Direct Access Database Windows Internal Database was consuming a lot of drive-space on a system-drive. Below I will explain how to shrink Direct Access database
In the output above we used RoboCopy to calculate the folder sizes, if you want to know more about that, read my previous blog post here: Faster Dir Size calculations in PowerShell!