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  • Cat a File Without Comments

    calendar Feb 22, 2023 · 1 min read · linux shell regex  ·
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    It's super handy when a Linux config file is loaded with comments to tell you precisely how to configure the thing, but all those comments can really get in the way when you're trying to review the current configuration. Next time, instead of scrolling through page after page of lengthy embedded explanations, just use: …


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  • Create Virtual Machines on a Chromebook with HashiCorp Vagrant

    calendar Feb 20, 2023  · edit Feb 25, 2023 · 8 min read · linux chromeos homelab infrastructure-as-code  ·
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    Create Virtual Machines on a Chromebook with HashiCorp Vagrant

    I've lately been trying to do more with Salt at work, but I'm still very much a novice with that tool. I thought it would be great to have a nice little portable lab environment where I could deploy a few lightweight VMs and practice managing them with Salt - without impacting any systems that are actually being used …


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  • Tailscale on VMware Photon OS

    calendar Dec 14, 2022  · edit Dec 15, 2022 · 2 min read · vmware linux wireguard networking security tailscale  ·
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    Tailscale on VMware Photon OS

    You might remember that I'm a pretty big fan of Tailscale, which makes it easy to connect your various devices together in a secure tailnet, or private network. Tailscale is super simple to set up on most platforms, but you'll need to install it manually if there isn't a prebuilt package for your system. Here's a …


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  • K8s on vSphere: Building a Kubernetes Node Template With Packer

    calendar Dec 10, 2022 · 31 min read · vmware linux shell automation kubernetes containers infrastructure-as-code packer  ·
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    K8s on vSphere: Building a Kubernetes Node Template With Packer

    I've been leveraging the open-source Tanzu Community Edition Kubernetes distribution for a little while now, both in my home lab and at work, so I was disappointed to learn that VMware was abandoning the project. TCE had been a pretty good fit for my needs, and now I needed to search for a replacement. VMware is …


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  • Gitea: Ultralight Self-Hosted Git Server

    calendar Jul 22, 2022  · edit Jan 19, 2023 · 15 min read · linux docker cloud tailscale  ·
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    Gitea: Ultralight Self-Hosted Git Server

    I recently started using Obsidian for keeping notes, tracking projects, and just generally organizing all the information that would otherwise pass into my brain and then fall out the other side. Unlike other similar solutions which operate entirely in The Cloud, Obsidian works with Markdown files stored in a local …


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  • ESXi ARM Edition on the Quartz64 SBC

    calendar Apr 23, 2022  · edit Dec 14, 2022 · 16 min read · vmware linux chromeos homelab tailscale photon vpn  ·
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    ESXi ARM Edition on the Quartz64 SBC

    ESXi-ARM Fling v1.10 Update On July 20, 2022, VMware released a major update for the ESXi-ARM Fling. Among other fixes and improvements, this version enables in-place ESXi upgrades and adds support for the Quartz64's on-board NIC. To update, I: Wrote the new ISO installer to another USB drive. Attached the installer …


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  • Enable Tanzu CLI Auto-Completion in bash and zsh

    calendar Feb 1, 2022 · 2 min read · vmware linux tanzu kubernetes shell  ·
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    Enable Tanzu CLI Auto-Completion in bash and zsh

    Lately I've been spending some time getting more familiar with VMware's Tanzu Community Edition Kubernetes distribution, but I'm still not quite familiar enough with the tanzu command line. If only there were a better way for me to discover the available commands for a given context and help me type them correctly... …


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  • VMware Tanzu Community Edition Kubernetes Platform in a Homelab

    calendar Jan 12, 2022 · 26 min read · vmware linux kubernetes docker containers tanzu homelab  ·
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    VMware Tanzu Community Edition Kubernetes Platform in a Homelab

    Back in October, VMware announced Tanzu Community Edition as way to provide "a full-featured, easy-to-manage Kubernetes platform that’s perfect for users and learners alike." TCE bundles a bunch of open-source components together in a modular, "batteries included but swappable" way: I've been …


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  • Secure Networking Made Simple with Tailscale

    calendar Jan 1, 2022  · edit Jul 10, 2022 · 16 min read · vpn wireguard homelab cloud linux networking security  ·
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    Secure Networking Made Simple with Tailscale

    Not all that long ago, I shared about a somewhat-complicated WireGuard VPN setup that I had started using to replace my previous OpenVPN solution. I raved about WireGuard's speed, security, and flexible (if complex) Cryptokey Routing, but adding and managing peers with WireGuard is a fairly manual (and tedious) …


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  • Snikket Private XMPP Chat on Oracle Cloud Free Tier

    calendar Dec 23, 2021  · edit Mar 30, 2023 · 16 min read · linux cloud docker containers chat  ·
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    Snikket Private XMPP Chat on Oracle Cloud Free Tier

    Non-technical users deserve private communications, too. I shared a few months back about the steps I took to deploy my own Matrix homeserver instance, and I've happily been using the Element client for secure end-to-end encrypted chats with a small group of my technically-inclined friends. Being able to have private …


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  • Cloud-hosted WireGuard VPN for remote homelab access

    calendar Oct 28, 2021 · 21 min read · linux gcp cloud wireguard vpn homelab tasker automation networking security  ·
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    Cloud-hosted WireGuard VPN for remote homelab access

    For a while now, I've been using an OpenVPN Access Server virtual appliance for remotely accessing my homelab. That's worked fine but it comes with a lot of overhead. It also requires maintaining an SSL certificate and forwarding three ports through my home router, in addition to managing a fairly complex software …


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  • Virtually Potato migrated to GitHub Pages!

    calendar Jul 20, 2021 · 4 min read · linux meta chromeos crostini jekyll  ·
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    Virtually Potato migrated to GitHub Pages!

    After a bit less than a year of hosting my little technical blog with Hashnode, I spent a few days migrating the content over to a new format hosted with GitHub Pages. So long, Hashnode Hashnode served me well for the most part, but it was never really a great fit for me. Hashnode's focus is on developer content, and …


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  • Script to update image embed links in Markdown files

    calendar Jul 19, 2021 · 2 min read · linux shell regex jekyll meta  ·
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    I'm preparing to migrate this blog thingy from Hashnode (which has been great!) to a GitHub Pages site with Jekyll so that I can write posts locally and then just do a git push to publish them - and get some more practice using git in the process. Of course, I've written some admittedly-great content here and I don't …


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  • Federated Matrix Server (Synapse) on Oracle Cloud's Free Tier

    calendar Jun 28, 2021  · edit Sep 17, 2021 · 16 min read · docker linux cloud containers chat  ·
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    Federated Matrix Server (Synapse) on Oracle Cloud's Free Tier

    I've heard a lot lately about how generous Oracle Cloud's free tier is, particularly when compared with the free offerings from other public cloud providers. Signing up for an account was fairly straight-forward, though I did have to wait a few hours for an actual human to call me on an actual telephone to verify my …


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  • Automatic unattended expansion of Linux root LVM volume to fill disk

    calendar Apr 29, 2021 · 5 min read · linux shell automation  ·
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    Automatic unattended expansion of Linux root LVM volume to fill disk

    While working on my vRealize Automation 8 project, I wanted to let users specify how large a VM's system drive should be and have vRA apply that without any further user intervention. For instance, if the template has a 60GB C: drive and the user specifies that they want it to be 80GB, vRA will embiggen the new VM's …


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John Bowdre

Wrangler of imaginary computers.
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Featured Posts

  • Create Virtual Machines on a Chromebook with HashiCorp Vagrant
  • ESXi ARM Edition on the Quartz64 SBC
  • Secure Networking Made Simple with Tailscale
  • Burn an ISO to USB with the Chromebook Recovery Utility

Recent Posts

  • Cat a File Without Comments
  • Create Virtual Machines on a Chromebook with HashiCorp Vagrant
  • PSA: Microsoft's KB5022842 breaks Windows Server 2022 VMs with Secure Boot
  • Tailscale golink: Private Shortlinks for your Tailnet
  • Tailscale on VMware Photon OS
  • K8s on vSphere: Building a Kubernetes Node Template With Packer

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