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How to Enable HSTS Preload for WordPress (or any other website)
Today, I learned that even with full site HTTPS it’s still possible for a SSL stripping attach to happen. This is a very good YouTube video which everything regarding the attach and a solution – HSTS preload are explained. To make a WordPress site or any other website eligible for HSTS preload, it’s actually very…
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How to Use Dynamic Storage Provisioning in Kubernetes
Here are the notes on how I enabled dynamic provisioning for persistent volumes in my garage Kubernetes cluster, using a combination of: NFS server I used a typical installation of NFS server on Ubuntu Linux. Here’s the documentation from Ubuntu. CSI driver for NFS From the Github repo there are Helm templates provided to install…
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Why I Returned to Amber
Hello Amber, Bye Amber I switched to Amber Electric as one of the early adopters in April, 2021, because I had my PowerWall 2 installed a few months earlier and was eager to see how using more renewable energy could save me some money, and reduce my carbon footprint too – something I seemed to…
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How to Provision Google Log-Based Metrics with Terraform and YAML
TL; DR: here are my notes on provisioning Google log-based metrics using Terraform and YAML. The metrics are defined in YAML in a clean fashion and they will be created via terraform apply The HCL part for Terraform Ref.1, https://cloud.google.com/logging/docs/logs-based-metrics2, https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/logging_metric 🙂
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Indexes for Structured Logs in Google Cloud
TL; DR: Google Cloud accepts structured logs ingested from different sources but will not index fields automatically. So by default the ingested jsonPayload will not be optimised for query. Here’s how to add indexes to it using Terraform. 🙂
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How to Prune Only Selected Fields in Jsonnet
In Jsonnet’s standard libraries, there’s an std.prune function which will recursively go through an object and remove any empty field in the object which is quite handy, usually. In my case I wanted to prune all empty fields in a container object but spare the legit empty emptyDir field so the std.prune may cause some…
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My New Favourite Editor is Neither VS Code Nor Atom
I used to use Atom as my main editor but it somehow lost its popularity and withered sadly. Then I switched to VS Code which is also Electron based and similar to Atom in some ways. VSC was great until recently I heard about Zed, which I immediately felt excited about it, for a few…
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How to Do Kubernetes Cronjobs with Sidecars Properly in 2024
TL; DR: Since Kubernetes v1.28, there’s no need to do fancy bash scripts to kill your sidecar when the main container finishes. So using sidecars in Kubernetes Jobs or Cronjobs are now much simpler and more elegant too. For example, I wanted to run a database backup job in a GKE + Cloud SQL environment,…