Author: Muhammad Aizuddin Zali

June 13, 2020

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 compliant component. In...

Cloud / OpenShift

May 9, 2020

OpenShift 4: EgressIP for egress(outbound) connection

Introduction By default, all namespaces egress networking will be using host IP where the pod sits as SNAT rule, similar to how our home router...

Cloud / Kubernetes / OpenShift

April 7, 2020

OpenShift 4: AlertManager + Slack Configuration

Objective Sending alert to Slack and defined proper channel for each alert type. Pre-Requisites: Three channels created in slack #watchdog #clusterwatch Incoming webhook configured for...

Cloud / OpenShift

March 27, 2020

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 : https://unsplash.com/@thomasjsn) 2...

Cloud / OpenShift

March 13, 2020

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 resilient and highly available hence...

Cloud / OpenShift

March 10, 2020

OpenShift 4: Custom API URL Endpoint

Objective On top of the standard api.<cluster_name>.<subdomain> as external API endpoint, we are going to serve this endpoint using custom URL as below: Custom API...

Security

March 10, 2020

Certificate & TLS: Becoming Custom(or Own) Root Certificate Authority

Objective Becoming organization/private PKI provider Shared rootCA certificate to be trusted by client. Creating a Root Certificate Authority 1. Create your root CA RSA key...

Cloud / OpenShift

March 4, 2020

OpenShift 4: Splunk HEC Integration

NOTE: This article focused on technical feasibility and features. For production usage this require detail implementation discussion. Objective. We want to ship containers and apiserver...

Cloud / OpenShift

January 21, 2020

OpenShift 4: Red Hat OpenShift Container Storage 4.2 Lab Installation

Official documentation of Red Hat OpenShift Container Storage can be found here. This blog merely written only to show on the technical feasibility such configuration...