Posts

• BGP Unnumbered on NixOS
• Dumb Switches as Multipath Spines with OSPF on NixOS
• nixa: Toward General-Purpose NixOS Config Management
• Building and Testing NixOS Auto-Installers
• Deploying a Python systemd Service on NixOS
• Keepalived for k8s apiserver Failover
• 802.1p Class of Service Revisited on NixOS
• Deploying nix-shell Python Dependencies to Kubernetes
• Asynchronous Garbage Collection on a Distributed Web Cache
• Visualizing Web Cache Performance with Elasticsearch ECK on k8s
• Berome Moore Cave 2024
• A Distributed Ceph-Backed Web Object Cache
• A Minimum Viable Image Proxy
• Getting Python to log to Kubernetes
• Safely Upgrading Helm Packages with Terraform / Opentofu
• Graphing Time with telegaf, influxdb
• Purpose-built Kubernetes Cluster Management for NixOS
• Arbitrary k8s CRD Manifests in Terraform
• External / Internal Ingress on Azure AKS k8s
• NixOS on Incus Containers
• BGP Network Emulation and Testing with LXD and tox
• Helm Plugins on NixOS
• Blackfathom River Cave 2023
• Carroll Cave 2023
• Illinois Caverns 2023
• The Effect of Driver Impedence on Amplifier Linearity
• Reproducible dbt ETL Projects on Ephemeral Cloud Infrastructure
• Multi-Cloud Kubernetes in One Keystroke
• Correct, Consistent Kubernetes Projects with kubectl ApplySets
• Ansible as a Docker Entrypoint
• Monitoring Tripplite UPS Metrics with InfluxDB
• Scalable System Engineering with NixOS
• Sustainable, Declarative Datacenter Switch Configuration with Arista EOS
• Examining Arista EOS Linux on a DCS-7048T-A
• Links
• Serving CephFS Directly over http
• Ansible for Cisco switch configuration
• Improving Ceph IOPs with TuneD on interconnecting routers
• Low cost Multipath VXLAN access with EVPN-MH on Debian
• LXD Cluster Management with Anycast Routing
• Verifying linux multipath route scaling with iperf
• BGP Unnumbered and L3 to the Host on Linux
• Prune osds and nodes from Ceph
• Mount Olympus, WA 2023 - Sea to Summit
• Resilient static web content with Ceph RGW
• fio on ZFS
• 802.1p Class of Service on Linux
• Expanding LXD VM root disks
• Crystal Caverns 2023
• Cleveland cave 2023
• Testing Ansible roles with LXD and python
• Skaggs cave 2023
• A resilient Ceph-backed image registry for Kubernetes
• The fio log
• Device power log
• Scaling Terraform projects with Git Submodules
• Serving http over Anycast
• SNI on Bare-Metal Kubernetes with cert-manager and ingress-nginx
• Roubidoux Cave 2022
• Hood 2022 - trip report
• Helens 2022 - Monitor Ridge trip report
• Rainier 2022 - Ingraham Direct trip report
• Bierstadt-Evans 2021 - Sawtooth loop trip report
• Longs 2021 - winter trip report
• Bierstadt 2021 - winter trip report
• Grand Teton 2020 - Owen-Spalding trip report
• Perkins cave 2017