Anthony Scott, PhD
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sysadmin

A collection of 4 posts
Idle CPU usage of k3s is high and continuously increases over time
sysadmin

Idle CPU usage of k3s is high and continuously increases over time

Over time I have regularly noticed resource usage slowly creeps up and up until this idle cluster is using obnoxiously high levels of CPU.
Mar 1, 2022 2 min read
Setting up a k3s Kubernetes cluster on Proxmox virtual machines with MetalLB
sysadmin

Setting up a k3s Kubernetes cluster on Proxmox virtual machines with MetalLB

What I do have is a machine in my closet running Proxmox VE, and there is absolutely no reason I cannot create a cluster using virtual machines within it. But I struggled to find a single guide that led me through this process in the way I wanted to do it. So here is that guide.
Aug 18, 2021 6 min read
Rescuing a 12TB RAID5 array from the brink of disaster
blog

Rescuing a 12TB RAID5 array from the brink of disaster

I rebooted the system and mdadm was reporting one drive was missing. Weird. It was just working 10 seconds ago. I know it's good. It has served faithfully for a few thousand hours so far. It just passed all of its SMART tests yesterday. This drive has not failed. Why did it disappear from my array?
Jun 17, 2020 4 min read
Deploying JupyterHub on a multi-user CentOS server
work

Deploying JupyterHub on a multi-user CentOS server

I describe how I setup JupyterHub in a multi-user, Linux environment.
Apr 5, 2019 4 min read
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