
Muhammad Aizuddin Zali
RHCA | AppDev & Platform Consultant | DevSecOps
OpenShift 4: Pushing my cluster to the limit
When I involved in the design of Red Hat OpenShift 4 platform for customer deployment, the common question coming from the customer was how much my …

SigStore: Securing my software with a new standard
The secure dependencies dilemma I had one situation where the customer asking how we can ensure that our 3rd party libraries or any external public …
OpenShift 4: Query Prometheus API for Firing Alert
Introduction Prometheus is a robust, efficient and cloud native monitoring tools, graduated from CNCF incubator. It was part of the OpenShift since …
OpenShift 4.5 KNI Labs (Step-by-step)
KNI, Kubernetes Native Infrastructure is one of the method deploying OpenShift baremetal with IPI (Installer Provided Infrastructure), yes you read it …

OpenShift 4.5 : NooBaa S3 Bucket for internal image registry
Image registry storage is best and recommended to run on S3 storage endpoint(then filesystem storage, then block). In this blog context, we are going …
OpenShift 4: OSSM Jaeger`s External ElasticSearch
One of the features provided by Red Hat OpenShift Service Mesh(OSSM) is tracing capability. This capability is provided by Jaeger , an OpenTracing …
OpenShift 4: EgressIP for egress(outbound) connection
Introduction By default, all namespace egress networking will be using host IP where the pod sits as SNAT rule, similar to how our home router works …

OpenShift 4: AlertManager + Slack Configuration
Objective Sending alert to Slack and defined proper channel for each alert type. Pre-Requisites:

OpenShift 4: Installation Bonding Setup
Objective Setting up 2 x LACP bonding using boot params options. For guidance on the boot params available look here . (Cover image : 2 x LACP Bonding …
OpenShift 4: DHCPD High Availability
Objective One of the support component to install OpenShift 4 is the DHCP . We need to ensure this DHCP is r esilient and highly available hence this …

OpenShift 4: Custom API URL Endpoint
https://unsplash.com/@pankajpatel Objective On top of the standard api.<cluster_name>. as external API endpoint, we are going to serve this …
Certificate & TLS: Becoming Custom(or Own) Root Certificate Authority
Image: https://qph.fs.quoracdn.net/main-qimg-f2d9af77cbca3c6bc42bdd31437a7d6c Objective Becoming organization/private PKI provider Shared rootCA …

OpenShift 4: Splunk HEC Integration
Image: https://unsplash.com/@lukechesser NOTE : This article focused on technical feasibility and features. For production usage this require detail …

OpenShift 4: Red Hat OpenShift Container Storage 4.5 Lab Installation
Image : plutonlogistics.com Official documentation of Red Hat OpenShift Container Storage can be found h e re . This blog merely written only to show …
OpenShift 4: Libvirt Platform Agnostic installation
Hello everyone, just a couple of months ago, Red Hat has released a shiny OpenShift 4 [1] based on CoreOS technology. In this guide, we going to see …
OpenShift 3: DevSecOps with OpenShift – Image Signing
INTRODUCTION Just like an RPM signing, container image singing can be used to verify authenticity of a container image created by users/developers …

OpenShift 3: Enforcing modern and strong OCP TLS & Cipher Suites
Image : newsbtc.com Introduction Enforcing strong and modern cipher is critical to ensure our deployment are well protected from old and weak cipher. …