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Chairat Onyaem (Par)
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Apr 30, 2021

Create Your Own Azure Bastion with Guacamole and Save $100+ a month

Microsoft Azure provides Azure Bastion service which is a jump server so you can securely access your virtual machines via its Azure Portal web interface without exposing SSH or RDP port. Here is its architecture:

Azure

9 min read

Create Your Own Azure Bastion with Guacamole and Save $100+ a month
Create Your Own Azure Bastion with Guacamole and Save $100+ a month

Apr 13, 2021

Let’s Encrypt ACME CAA Limitation

Not all the domain name are supported by Let’s Encrypt ACME In my previous blog about setting up Kubernetes with MicroK8s and Traefik, I used DDNS service from noip.com to create a domain name microk8s.ddns.net for testing with whoami application which was working without any problem. But when I tried…

Lets Encrypt

4 min read

Let’s Encrypt ACME CAA Limitation
Let’s Encrypt ACME CAA Limitation

Apr 12, 2021

Single-node Kubernetes on Home Lab using MicroK8s, Metallb, and Traefik

MicroK8s: High availability, Low-ops, Minimal Kubernetes for All-Size Clusters In my recent blog, I have setup a single-node Kubernetes cluster on my home lab server using k0s. It is a good tool that make it easy to setup a cluster in just one or two commands. …

Kubernetes

8 min read

Single-node Kubernetes on Home Lab using MicroK8s, Metallb, and Traefik
Single-node Kubernetes on Home Lab using MicroK8s, Metallb, and Traefik

Mar 14, 2021

Setup Single-node Kubernetes Cluster on a Home Lab server using k0s

Reducing your cloud bill and make use of your PC at home I have been running a small Kubernetes (k8s) cluster on a cloud provider for some time and finding alternative to reduce my bill. I could have run my small workloads on a small server that cost only $5…

K 0 S

8 min read

Setup Single-node Kubernetes Cluster on a Home Lab server using k0s
Setup Single-node Kubernetes Cluster on a Home Lab server using k0s

Feb 6, 2021

Setting Up Your Own VPN Server with just $5 a month

Your Own Server, Your Own Privacy, Multiple Users I have recently stumbled upon a video on YouTube by Wolfgang’s Channel about how to setup your own VPN server using OpenVPN. There’s also a transcript version of the video that you can read and follow along. …

VPN

7 min read

Setting Up Your Own VPN Server with just $5 a month
Setting Up Your Own VPN Server with just $5 a month

Jan 10, 2021

Try Podman, Buildah, and Skopeo instead of Docker

Docker is not the only tool to work with containers We often use Docker when we talk about containers, similar to we use ‘Coke’ when we talk about carbonated soft drink. We all know that Coke is not the only brand that sells carbonated soft drink. …

Docker

6 min read

Try Podman, Buildah, and Skopeo instead of Docker
Try Podman, Buildah, and Skopeo instead of Docker

Apr 21, 2018

Get Kubernetes+Docker Container Platform on Azure

Updated Jan 2019: Azure Container Service (ACS) has been replaced by Azure Kubernetes Service (AKS). Please refer to this guide on how to easily create an AKS cluster. Table of Contents 1. Create Application ID 2. Deploy Azure Container Service 3. Connect to the Master References 1. Create Application ID 1) Go to Azure Active Directory →…

Kubernetes

3 min read

Get Kubernetes+Docker Container Platform on Azure
Get Kubernetes+Docker Container Platform on Azure

Mar 23, 2018

Setup Web Terminal using Wetty Docker Image

Introduction SSH is the way to connect and command your Linux machine. Doing this from Windows is even more painful as you need a client like Putty installed (Or enable built-in SSH if you’re using Windows 10). What if you can do it right from your web browser from any OS…

Docker

4 min read

Setup Web Terminal using Wetty Docker Image
Setup Web Terminal using Wetty Docker Image

Jan 7, 2018

Application Telemetry with Prometheus

In my last blog, I’ve explained about deployment pipeline I built for Continuous Integration and Continuous Delivery in ABAP. Another thing that our team has built was the application monitoring. For our Java Spring Boot services, it can seamlessly integrate Prometheus module in the POM file and then your application…

Prometheus

7 min read

Application Telemetry with Prometheus
Application Telemetry with Prometheus

Nov 11, 2017

Continuous Integration in ABAP using Jenkins

In my recent project, we are building Java miniservices that connect to SAP backend via RESTful APIs. The team has setup a CI/CD pipeline in Jenkins to automate build, test, and deploy of those Java services. …

Continuous Integration

6 min read

Continuous Integration in ABAP using Jenkins
Continuous Integration in ABAP using Jenkins
Chairat Onyaem (Par)

Chairat Onyaem (Par)

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