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Rancher RKE2 templates – Assign members to clusters

When testing RKE2 templates, I faced an issue with member assignments. When creating the cluster, a management cluster name is generated with the format c-m-xxxxxxxx, but the ClusterRoleTemplateBinding requires the cluster name to work. After digging into Rancher source(…)

DevOps Demystified for Non-techies

Devops explained to the very beginners. Devops explained to non-techies. The role of a DevOps consultant.

Getting started with Greenplum – 5 – Recovering from failed segment nodes

This is the next post in this little Greenplum series. This time we’ll look at how we can recover from a failed segment. If you are looking for the previous post, they are here: Getting(…)

Rancher RKE2: Introduction on RKE2 cluster template for AWS EC2

In Rancher, you can preconfigure your clusters and node configuration. Then your team can start provisioning clusters, with consistency and no misconfiguration. For RKE, templates are easily comprehensible and seamlessly integrated into the Rancher UI, making it user-friendly. For(…)

Trigger a Red Hat Ansible Automation Platform job/workflow from GitLab CI/CD Pipeline

Are you utilizing Red Hat Ansible Automation Platform or its open-source version, AWX, to streamline your Ansible playbooks? If so, and you want to trigger a job template or a workflow template from a GitLab CI/CD pipeline, you’ve come(…)

Kubernetes Networking by Using Cilium – Advanced Level – eBPF Routing

The DevOps technology Kubernetes uses a complex networking process when using Cilium. Cilium leverage eBPF for a fast and efficient routing in Kubernetes.

Kured: No more patching anxiety for Kubernetes clusters

In your DevOps and containerization journey, let's discover together how a cloud-native product named Kured can save you from the patching fears of your Kubernetes platform.

Getting started with Greenplum – 4 – Backup & Restore – databases

This is the fourth part of the Greenplum blog series, the previous ones are here: Getting started with Greenplum – 1 – Installation, Getting started with Greenplum – 2 – Initializing(…)

Getting started with Greenplum – 3 – Behind the scenes

If you followed part 1 and part 2 of this little blog series you now have a running Greenplum system. There is one coordinator host and there are two segment hosts.

Migration from Non-CDB to Multitenant : CDB is using local undo, but no undo tablespace found in the PDB

During a past migration test from on-premises to ExaCC, I faced a pdb violation, stating, CDB is using local undo, but no undo tablespace found in the PDB, after having run noncdb_to_pdb.sql script. Explanation The problem comes from(…)