Kubernetes is an open source, container orchestration platform. Applications packaged as Docker images can be easily deployed, scaled, and managed in a Kubernetes cluster. In this blog post, I will take you through how we can deploy Kubernetes cluster on AWS using KOPS. Prerequisites : Prepare the client vmPrepare AWS environment Prepare the client vm... Continue Reading →
How to install VMware NSX-T Data Center 2.4.0 appliance
VMware NSX-T Data Center 2.4 provides a variety of features to provide functionality for virtualized networking and security for private, public, and hybrid clouds. In this blog post, I will take you through how to install and configure VMware NSX-T 2.4.0 NSX-T is available to download as an OVA format at MyVMware. If you have... Continue Reading →
How to configure BOSH Director for VMware Enterprise PKS
BOSH director unifies deployment, and lifecycle management of small and large-scale cloud software. It can provision and deploy software over hundreds of VMs. BOSH also performs monitoring, failure recovery, and software updates with zero-to-minimal downtime. BOSH is particularly well-suited for large distributed systems. In addition, it supports multiple Infrastructure as a Service (IaaS) providers like... Continue Reading →
How to install Operations Manager for VMware Enterprise PKS
In this blog post, I will share step by step information about how to install and configure Pivotal Operations Manager for your PKS environment. OpsMan provides a set of APIs and a graphical interface to manage the deployment and upgrade of components like bosh and pks api vm. In addition to it, it also helps... Continue Reading →
Importing a machine into vRealize Automation fails
Bulk Importing a machine into vRealize Automation fails with error "Object reference not set to an instance of an object" Symptoms: Bulk import of virtual machine failsUnder Infrastructure > Monitoring tab you will see error "Object reference not set to an instance of an object" Cause: This issue can occur if the IP address used... Continue Reading →
Installing Kubernetes v1.15.0 cluster on Ubuntu 18.04
In this blog, I will be discussing about how to install Kubernetes on Ubuntu 18.04. Kubernetes is one of the highest trending technologies in Cloud Computing as of today. It is a portable, extensible, open-source platform for managing containerized workloads and services, that facilitates both declarative configuration and automation. It has a large, rapidly growing... Continue Reading →
VMware Enterprise PKS cluster creation fails
Recently while working on my PKS lab, I faced this issue where the PKS cluster creation was failing with error. The error message did not help us to identify the cause. I am writing here about how I fixed the issue. PKS cluster creation fails with error "1 of 5 post-start scripts failed. Failed Jobs:... Continue Reading →
How to identify dangling registry images in docker registry
Recently I worked on a PKS upgrade, where the upgrade halted due to no space on the docker registry. On further analysis we identified that the issue is caused due to dangling registry images in the docker registry. In this blog post, I will discuss how to identify and remove dangling registry images from the... Continue Reading →
VMware Enterprise PKS upgrade failed with error
Recently while working on a VMware Enterprise PKS upgrade, we noticed a issue which halts the upgrade halfway. The error message for the failure was "2 of 5 post-start scripts failed. Failed Jobs: telemetry-agent-image" Symptoms Bosh task reports errors: Task 13565 | 23:39:22 | Preparing package compilation: Finding packages to compile (00:00:00) Task 13565 |... Continue Reading →
Kontainers 