I have a local registry for the OpenShift Cluster. We just did some migration and retired the old registry. However some images were missed out leading to some of the Pods not running properly. The issue was not so obvious as the default image pull policy for most of the…

Since Meta released the open source large language model Llama2, thanks to the effort of the community, the barrier to access a LLM to developers and normal users is largely removed, which is the so called democratised LLM. Lets explore running a LLM on a KVM based VM. The VM Create a…

Camel Kafka Connectors as a standard Kafka connector greatly increases the capability of integration of Kafka. There is about 164 connectors available as of now. Let’s explore using these connectors with IBM Event Streams. Build the Connector Image Let’s build the connector image manually to have lesser magic and to separate the build and…

You may want to troubleshoot some Ceph storage issue that are coming from OpenShift Data Foundation (ODF). In the rook operator based Ceph storage solution, you can deploy the “rook-ceph-tools” deployment to have the ceph command line tool for the troublshooting purpose. …

Single node OpenShift cluster is ideal for edge computing or POC projects due to the scaled down resource requirement. Additionally, provision a cluster in a fully automated unattended way is the first important step towards a successful POC. …

Since the v3.3 release of Apache kafka, Zookeeper can be replaced by the Kraft consensus protcol. This feature is now available in IBM Event Streams. Let’s explore it. Enable the Kraft Feature EventStreams is based on the Strimizi operator. After the subscribtion of the operator, lets update the CSV oc edit csv ibm-eventstreams.v3.2.1 Locate…

I deal with disconnected environment constantly. I need to have my toolbox prepared before going to these environment. Container image become my 1st choice as it ideally wraps the tools without the need of intrusively installing any dependencies. Let’s check out a neovim and golang environment I built as a…

Curl is commonly known as its capability dealing with HTTP and HTTPS services. But in fact it has a wide range of protocol that are supported. This make it a perfect tool for testing in some of the restricted environment where other tool could not be easily obtained. …

I need to validate if the TLS cipher exposed by the application is secure. I therefore created two versions of the scanner, one is sequential Openssl based, the other one is parallel version implemented with Golang. Sequential Version with Openssl This webpage provides a nice base to use openssl s_client to walk through the…