Automating GitLab Artifact Cleanup with Jenkins
We automated GitLab artifact cleanup using a Python script and Jenkins, keeping recent jobs and deleting older artifacts to reclaim storage safely without affecting active pipelines.
Ananta
ssh: could not resolve hostname - Kubernetes Jenkins Agent DNS Failure
Terraform init on Jenkins Kubernetes agents kept failing with "could not resolve hostname" when fetching terraform modules. Cluster DNS was flaky, so forcing pods to use 8.8.8.8 made it work.
Enabling SSH Password Auth on EC2 (Ubuntu 22.04) with Cloud-Init Override
SSH still requires a public key even after enabling password auth? On EC2 Ubuntu, cloud-init might be silently overriding your config.
io.fabric8.kubernetes.client.KubernetesClientException: A Jenkins Plugin Version Mismatch
Connection test from old Jenkins (2.492.2) to a new Kubernetes cluster failed with io.fabric8.kubernetes.client.KubernetesClientException due to Unrecognized field "emulationMajor"; upgrading the Kubernetes plugin fixed it.
Backing Up a Kubernetes to S3 with Velero
A quick test to see how fast a Kubernetes namespace can be recovered after deletion. Using Velero with an S3 backend on a K3s cluster, a demo application namespace was backed up, deleted, and restored. The restore completed successfully, recreating the Deployment, Pod, and Service within seconds.
Streamline Email Handling with Microsoft Power Automate and Planner
Emails to [email protected] are auto-assigned via Power Automate to one active engineer in round-robin, creating a Planner task. SharePoint tracks rotation and conversation IDs to prevent duplicates, ensuring clear ownership and timely responses.
Accessing a Private K3s Control Plane from a VPS over Tailscale
A private K3s node on Proxmox VE is accessed from a public VPS via Tailscale. The VPS joins the mesh, and adding its Tailscale IP to K3s tls-san allows kubectl access without exposing port 6443 publicly.