NaniBot

Introduction I’ve been having a lot of fun with my OpenStack cluster.

Introduction OpenBao is an open-source fork of HashiCorp’s Vault, created to ensure the project remains community-driven and permissively licensed.

When you’re running VMs you don’t want your host scheduler to schedule processes onto the CPU cores that are being used for the VMs.

I’ve been a big fan of Rook for simplifying storage on Kubernetes.

Background AWS deprecated path-style access for S3 buckets for virtual-host accessing method.

The Problem After installing the Rook operator and getting a Ceph cluster up and running on my favourite kubernetes distro (OpenShift/OKD), I was unable to access the Ceph dashboard.

Docker and MTU Well, for some reason (apparently it’s because docker’s logic for detecting MTUs is flawed) I wasn’t able pull docker images (they failed with a 408 error message) when the machine docker was installed on was configured to route it’s traffic

“The only true wisdom is in knowing you know nothing” - Socrates Introduction Back when I built my server (Link), I assumed that by right-sizing my VMs (such that 2 VMs are placed in each NUMA node) the hypervisor (libvirt/QEMU/kvm in my case) would take…

Note: This probably only applies to OpenShift/OKD 4.13+ Introduction This post is about configuring your cluster so that only the mirror registries (pull through caches in this case) are used for pulling any images.

“The only constant in life is change” - Heraclitus Update: I have realized that without tuning for NUMA manually, it’s almost certain that you’ll run into cross-NUMA issues!

The default certificates used by the ingress operator are self-signed i.e. by an internal CA.

About Hi, I’m Amrut!

Introduction Note: This is a mere Proof of Concept.

https://fluxcd.io/blog/2024/09/flux-v2.4.0/ The release notes for 2.4.0 mentions a certain “Flux Operator” that “removes the operational burden of managing Flux”.

DISCLAIMER: I am not responsible for any of your broken devices.

The Problem If you’ve paid attention to most Linux distros’ download pages, you must have noticed that many of them offer something called cloud images.

The Problem I downloaded the Fedora netinstaller because I wanted to try out some other window managers (GNOME was making my head hurt).

I was able to find a Wii U in near mint condition from a guy on OLX (an Indian online marketplace for buying used goods).

For some reason, people think that Dal (lentil soup?)