Better Home Storage: MergerFS + SnapRAID on OpenMediaVault

There is a way to enjoy some benefits from RAID without "real RAID" - and a supplement to scheduled cold backup for home data storage.

Rancher Server on RKE Deployment

RKE is a CNCF-certified Kubernetes distribution that runs entirely within Docker containers. It could be configured and provisioned from simple configuration. Plus the easy-to-use Rancher Server as a Web UI running on the cluster, we can have a truly self-hosted Kubernetes cluster.

Using Linux Containers (LXC) on Fedora

Linux containers, or LXC, is a lightweigt yet powerful container solution. It can run applications or distros but share the same kernel and hardware resources and persistently. This is not a cutting-edge technology and is fully supported in Fedora.

Notes on Redis Operation

Some common problems and solution to containerized Redis deployment.

Update (Renew) Certificates in OpenShift (OKD) 3

Server certificates are used to provide encrypted traffic (HTTPS) in OpenShift. When a certificate is near expiration, renewal and replacement is needed. Prepare the Environment To replace certificates automatically, Ansible is used to manage the hosts. Pyton OpenSSL binding is required to parse and verify certificates. $ pipenv install pyopenssl New