Raja Haikal

20 Oct 2024 · 5 min read

Configuring Secondary Networks for KubeVirt VMs with OVN-Kubernetes

Introduction OVN (Open Virtual Network) is a series of daemons for the Open vSwitch that translate virtual network configurations into OpenFlow. It provides virtual networking capabilities for any type of

18 Oct 2024 · 6 min read

Kubevirt + Kube-OVN Live Migration

Live migration is a process during which a running Virtual Machine Instance moves to another compute node while the guest workload continues to run and remain accessible. Limitations of Live

28 Sep 2024 · 7 min read

Seamless Secret Management with Kubernetes Vault Secrets Operator

There are multiple ways of accessing secrets in HashiCorp Vault from your Kubernetes workloads. Which approach should you use? Well, it depends. In this blog, I will focus on accessing

25 Sep 2024 · 17 min read

Hashicorp Vault HA Cluster with Integrated Storage (Raft) and AWS KMS Auto Unseal

No matter the size of your Kubernetes environment, whether you're managing a single cluster or dozens, at some point you'll need to securely store sensitive information

23 Sep 2024 · 2 min read

Loneliness

The world has a funny way of pushing us to the edge, making us question everything we thought we knew. And in those moments, it's easy to feel

18 Sep 2024 · 5 min read

Configuring a Self-hosted Quay Registry in Private OpenShift Cluster

In this article, i’ll walk through the process of configuring a self-hosted Quay registry inside a private OpenShift cluster. Quay, developed by Red Hat, is a robust and versatile

13 Sep 2024 · 5 min read

Setup RedHat Openshift Codeready

Minimum Requirements For OpenShift Container Platform: * 4 physical CPU cores * 10.5 GB of free memory * 35 GB of storage space Here are the environment details I'm using:

25 Aug 2024 · 12 min read

Setup Open-appsec on Nginx for Linux

With ModSecurity reaching its end of life in July 2024, many organizations are looking for a modern alternative to secure their web applications and APIs. Open-appsec is stepping up as

11 Aug 2024 · 12 min read

Bootstraping K3s with Cilium

Bootstrap & Configuring K3s K3s comes equipped with everything you need to get started with Kubernetes, but it’s also very opinionated. In this article i'll strip K3s

21 Jul 2024 · 3 min read

Securing Nginx: A How-To Guide

Harden Nginx Configuration List of some best practices to harden Nginx. 1. Update Nginx Keep Nginx up to date with the latest version. sudo apt-cache policy nginx sudo apt-get --only-upgrade

14 Jun 2024 · 5 min read

Install Wordpress with Nginx

Install Nginx Install dependencies sudo apt install -y curl gnupg2 ca-certificates lsb-release ubuntu-keyring Then run an update and install nginx : sudo apt update sudo apt install -y nginx Allow UFW

9 Jun 2024 · 3 min read

Setup Sonarqube MultiBranch Scan

Currently, Sonarqube has removed the multi-branch analysis support from the CE, so after Sonarqube >7.7 this functionality is only available in the developer edition. However, by using the

8 Jun 2024 · 6 min read

Deploy Harbor Private Registry

Harbor is deployed as several Docker containers. You can therefore deploy it on any Linux distribution that supports Docker. The target host requires Docker, and Docker Compose to be installed.

31 May 2024 · 6 min read

Configuring a Static Website with AWS S3 & CloudFront

AWS S3 1. Go to the AWS Management Console and sign in. 2. Make sure you are in the region where you want to create your S3 bucket.for this

22 May 2024 · 3 min read

Kubernetes Common Errors

1. CrashLoopBackOff: * Description: A pod repeatedly crashes and restarts. * Troubleshooting: * Check pod logs: kubectl logs <pod-name> * Describe the pod for more details: kubectl describe pod <pod-name>

3 Feb 2024 · 5 min read

Set Up SSH to Use Two-Factor Authentication

Enhance the security of your SSH access by adding two-factor authentication (2FA) for an extra layer of protection on your remote connections. Step 1. Install the 2FA Authenticator App First,

26 Jan 2024 · 2 min read

Provision ArgoCD

Install Cert Manager We need certificates to be securely logon to the Argo CD UI. Certificate provisioning can be a very painful process. cert-manager makes it easy to create, obtain

20 Jan 2024 · 5 min read

Backup Restore Kubernetes with Velero & Swift

Hello World! Pada Artikel kali ini saya mau sharing ringan terkait riset yang sudah saya coba terkait Backup Restore Kubernetes dengan Velero dan Swift. Pendahuluan Velero merupakan tool untuk backup