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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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  • PSA: Microsoft's KB5022842 breaks Windows Server 2022 VMs with Secure Boot

    calendar Feb 17, 2023  · edit Feb 21, 2023 · 2 min read · vmware powershell windows powercli  ·
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    Fix available VMware has released a fix for this problem in the form of ESXi 7.0 Update 3k: If you already face the issue, after patching the host to ESXi 7.0 Update 3k, just power on the affected Windows Server 2022 VMs. After you patch a host to ESXi 7.0 Update 3k, you can migrate a running Windows Server 2022 VM …


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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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  • Upgrading a Standalone vSphere Host With esxcli

    calendar Oct 15, 2022 · 3 min read · vmware homelab vsphere  ·
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    You may have heard that there's a new vSphere release out in the wild - vSphere 8, which just reached Initial Availability this week. Upgrading the vCenter in my single-host homelab is a very straightforward task, and using the included Lifecycle Manager would make quick work of patching a cluster of hosts... but …


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  • Using the vSphere Diagnostic Tool Fling

    calendar Aug 28, 2022 · 7 min read · vmware vsphere python  ·
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    Using the vSphere Diagnostic Tool Fling

    VMware vCenter does wonders for abstracting away the layers of complexity involved in managing a large virtual infrastructure, but when something goes wrong it can be challenging to find exactly where the problem lies. And it can be even harder to proactively address potential issues before they occur. Fortunately …


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  • Removing and Recreating vCLS VMs

    calendar Jul 24, 2022  · edit Jul 25, 2022 · 3 min read · vmware vsphere homelab  ·
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    Removing and Recreating vCLS VMs

    Way back in 2020, VMware released vSphere 7 Update 1 and introduced the new vSphere Clustering Services (vCLS) to improve how cluster services like the Distributed Resource Scheduler (DRS) operate. vCLS deploys lightweight agent VMs directly on the cluster being managed, and those VMs provide a decoupled and …


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  • Nessus Essentials on Tanzu Community Edition

    calendar Feb 7, 2022 · 4 min read · vmware kubernetes tanzu containers security  ·
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    Nessus Essentials on Tanzu Community Edition

    Now that VMware has released vCenter 7.0U3c to resolve the Log4Shell vulnerabilities I thought it might be fun to run a security scan against the upgraded VCSA in my homelab to see how it looks. Of course, I don't actually have a security scanner in that environment so I'll need to deploy one. I start off by heading to …


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  • Logging in to a Tanzu Community Edition Kubernetes Cluster from a new device

    calendar Feb 1, 2022 · 3 min read · vmware kubernetes tanzu  ·
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    Logging in to a Tanzu Community Edition Kubernetes Cluster from a new device

    When I set up my Tanzu Community Edition environment, I did so from a Linux VM since the containerized Linux environment on my Chromebook doesn't support the kind bootstrap cluster used for the deployment. But now that the Kubernetes cluster is up and running, I'd like to be able to connect to it directly without the …


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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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  • Recreating Hashnode Series (Categories) in Jekyll on GitHub Pages

    calendar Jul 24, 2021 · 10 min read · meta jekyll  ·
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    Recreating Hashnode Series (Categories) in Jekyll on GitHub Pages

    I recently migrated this site from Hashnode to GitHub Pages, and I'm really getting into the flexibility and control that managing the content through Jekyll provides. So, naturally, after finalizing the move I got to work recreating Hashnode's "Series" feature, which lets you group posts together and …


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  • Using VS Code to explore giant log bundles

    calendar Feb 18, 2021 · 2 min read · logs vmware  ·
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    Using VS Code to explore giant log bundles

    I recently ran into a peculiar issue after upgrading my vRealize Automation homelab to the new 8.3 release, and the error message displayed in the UI didn't give me a whole lot of information to work with: I connected to the vRA appliance to try to find the relevant log excerpt, but doing so isn't all that …


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  • PSA: halt replication before snapshotting linked vCenters

    calendar Jan 30, 2021 · 3 min read · vmware  ·
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    PSA: halt replication before snapshotting linked vCenters

    It's a good idea to take a snapshot of your virtual appliances before applying any updates, just in case. When you have multiple vCenter appliances operating in Enhanced Link Mode, though, it's important to make sure that the snapshots are in a consistent state. The vCenter vmdird service is responsible for …


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  • Burn an ISO to USB with the Chromebook Recovery Utility

    calendar Dec 23, 2020 · 2 min read · chromeos  ·
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    Burn an ISO to USB with the Chromebook Recovery Utility

    There are a number of fantastic Windows applications for creating bootable USB drives from ISO images - but those don't work on a Chromebook. Fortunately there's an easily-available tool which will do the trick: Google's own Chromebook Recovery Utility app. Normally that tool is used to creating bootable media to …


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  • Abusing Chrome's Custom Search Engines for Fun and Profit

    calendar Sep 24, 2020 · 3 min read · chrome  ·
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    Abusing Chrome's Custom Search Engines for Fun and Profit

    Do you (like me) find yourself frequently searching for information within the same websites over and over? Wouldn't it be great if you could just type your query into your browser's address bar (AKA the Chrome Omnibox) and go straight to the results you need? Well you totally can - and probably already are for certain …


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  • Finding the most popular IPs in a log file

    calendar Sep 13, 2020 · 3 min read · linux shell logs regex  ·
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    I found myself with a sudden need for parsing a Linux server's logs to figure out which host(s) had been slamming it with an unexpected burst of traffic. Sure, there are proper log analysis tools out there which would undoubtedly make short work of this but none of those were installed on this hardened system. So this …


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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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