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John Bowdre 2024-01-16 16:52:50 -06:00
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content/posts/3d-modeling-and-printing-on-chrome-os/index.md
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@ -18,12 +18,12 @@ That's a pretty sweet setup, but I still needed a way to convert STL 3D models i
Enter "Crostini," Chrome OS's [Linux (Beta) feature](https://chromium.googlesource.com/chromiumos/docs/+/master/containers_and_vms.md). It consists of a hardened Linux VM named `termina` which runs (by default) a Debian Buster LXD container named `penguin` (though you can spin up just about any container for which you can find an [image](https://us.images.linuxcontainers.org/)) and some fancy plumbing to let Chrome OS and Linux interact in specific clearly-defined ways. It's a brilliant balance between offering the flexibility of Linux while preserving Chrome OS's industry-leading security posture. Enter "Crostini," Chrome OS's [Linux (Beta) feature](https://chromium.googlesource.com/chromiumos/docs/+/master/containers_and_vms.md). It consists of a hardened Linux VM named `termina` which runs (by default) a Debian Buster LXD container named `penguin` (though you can spin up just about any container for which you can find an [image](https://us.images.linuxcontainers.org/)) and some fancy plumbing to let Chrome OS and Linux interact in specific clearly-defined ways. It's a brilliant balance between offering the flexibility of Linux while preserving Chrome OS's industry-leading security posture.
![Neofetch in the Crostini terminal](lhTnVwCO3.png) ![Screenshot of the 'neofetch' utility](lhTnVwCO3.png)
There are plenty of great guides (like [this one](https://www.computerworld.com/article/3314739/linux-apps-on-chrome-os-an-easy-to-follow-guide.html)) on how to get started with Linux on Chrome OS so I won't rehash those steps here. There are plenty of great guides (like [this one](https://www.computerworld.com/article/3314739/linux-apps-on-chrome-os-an-easy-to-follow-guide.html)) on how to get started with Linux on Chrome OS so I won't rehash those steps here.
One additional step you will probably want to take is make sure that your Chromebook is configured to enable hyperthreading, as it may have [hyperthreading disabled by default](https://support.google.com/chromebook/answer/9340236). Just plug `chrome://flags/#scheduler-configuration` into Chrome's address bar, set it to `Enables Hyper-Threading on relevant CPUs`, and then click the button to restart your Chromebook. You'll thank me later. One additional step you will probably want to take is make sure that your Chromebook is configured to enable hyperthreading, as it may have [hyperthreading disabled by default](https://support.google.com/chromebook/answer/9340236). Just plug `chrome://flags/#scheduler-configuration` into Chrome's address bar, set it to `Enables Hyper-Threading on relevant CPUs`, and then click the button to restart your Chromebook. You'll thank me later.
![Enabling hyperthreading](LHax6lAwh.png) ![Screenshot of ChromeOS flags page showing that '#scheduler-configuration' is set to 'Enables Hyper-Threading on relevant CPUs](LHax6lAwh.png)
### The Software ### The Software
I settled on using [FreeCAD](https://www.freecadweb.org/) for parametric modeling and [Ultimaker Cura](https://ultimaker.com/software/ultimaker-cura) for my GCODE slicer, but unfortunately getting them working cleanly wasn't entirely straightforward. I settled on using [FreeCAD](https://www.freecadweb.org/) for parametric modeling and [Ultimaker Cura](https://ultimaker.com/software/ultimaker-cura) for my GCODE slicer, but unfortunately getting them working cleanly wasn't entirely straightforward.
@ -68,7 +68,7 @@ Comment[de_DE]=Feature-basierter parametrischer Modellierer
MimeType=application/x-extension-fcstd MimeType=application/x-extension-fcstd
``` ```
That's it! Get on with your 3D-modeling bad self. That's it! Get on with your 3D-modeling bad self.
![FreeCAD](qDTXt1jp3.png) ![Screenshot of FreeCAD showing a 3d model being worked on](qDTXt1jp3.png)
Now that you've got a model, be sure to [export it as an STL mesh](https://wiki.freecadweb.org/Export_to_STL_or_OBJ) so you can import it into your slicer. Now that you've got a model, be sure to [export it as an STL mesh](https://wiki.freecadweb.org/Export_to_STL_or_OBJ) so you can import it into your slicer.
#### Ultimaker Cura #### Ultimaker Cura
@ -88,12 +88,12 @@ sudo apt update && sudo apt install menulibre # [tl! .cmd:2]
menulibre menulibre
``` ```
Just plug in the relevant details (you can grab the appropriate icon [here](https://github.com/Ultimaker/Cura/blob/master/icons/cura-128.png)), hit the filing cabinet Save icon, and you should then be able to search for Cura from the Chrome OS launcher. Just plug in the relevant details (you can grab the appropriate icon [here](https://github.com/Ultimaker/Cura/blob/master/icons/cura-128.png)), hit the filing cabinet Save icon, and you should then be able to search for Cura from the Chrome OS launcher.
![Using menulibre to create the launcher shortcut](VTISYOKHO.png) ![Screenshot demoing the use of 'menulibre' to create the launcher shortcut](VTISYOKHO.png)
![Ultimaker Cura](f8nRJcyI6.png) ![Screenshot of Ultimake Cura software](f8nRJcyI6.png)
From there, just import the STL mesh, configure the appropriate settings, slice, and save the resulting GCODE. You can then just upload the GCODE straight to The Spaghetti Detective and kick off the print. From there, just import the STL mesh, configure the appropriate settings, slice, and save the resulting GCODE. You can then just upload the GCODE straight to The Spaghetti Detective and kick off the print.
![Successful print, designed and sliced on Chrome OS!](2g57odtq2.jpeg) ![A 3d-printed adapter for mounting a rear reflector on a bicycle, designed, sliced, and printed from a Chromebook](2g57odtq2.jpeg)
Nice! Nice!

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content/posts/spotlight-on-torchlight/index.md
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@ -536,7 +536,7 @@ Serving HTTP on 0.0.0.0 port 1313 (http://0.0.0.0:1313/) ... # [tl! focus:1]
#### Netlify #### Netlify
Setting up Netlify to leverage the Torchlight API is kind of similar. I'll start with logging in to the [Netlify dashboard](https://app.netlify.com) and navigating to **Site Configuration > Environment Variables**. There, I'll click on **Add a variable > Add a ingle variable**. I'll give the new variable a key of `TORCHLIGHT_TOKEN` and set its value to the token I obtained earlier. Setting up Netlify to leverage the Torchlight API is kind of similar. I'll start with logging in to the [Netlify dashboard](https://app.netlify.com) and navigating to **Site Configuration > Environment Variables**. There, I'll click on **Add a variable > Add a ingle variable**. I'll give the new variable a key of `TORCHLIGHT_TOKEN` and set its value to the token I obtained earlier.
![](netlify-env-var.png) ![Screenshot showing the creation of the 'TORCHLIGHT_TOKEN' variable in Netlify](netlify-env-var.png)
Once that's done, I edit the `netlify.toml` file at the root of my site repo to alter the build commands: Once that's done, I edit the `netlify.toml` file at the root of my site repo to alter the build commands:
```toml ```toml

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content/posts/tanzu-community-edition-k8s-homelab/index.md
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@ -983,7 +983,8 @@ I'll define the new subnet as `192.168.1.0/24`. Once I enable the option to *Che
![A new (but empty) subnet](new_subnet_pre_scan.png) ![A new (but empty) subnet](new_subnet_pre_scan.png)
It shows the scanner associated with the subnet, but no data yet. I'll need to wait a few minutes for the first scan to kick off (at the five-minute interval I defined in the configuration). It shows the scanner associated with the subnet, but no data yet. I'll need to wait a few minutes for the first scan to kick off (at the five-minute interval I defined in the configuration).
![](five_minutes.gif)
![GIF which says 'Five Minutes Later!'](five_minutes.gif)
![Newly discovered IPs!](newly-discovered_IPs.png) ![Newly discovered IPs!](newly-discovered_IPs.png)
Woah, it actually works! Woah, it actually works!

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content/posts/vra8-custom-provisioning-part-two/index.md
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@ -331,9 +331,9 @@ I'll do that with another scriptable task element, named `Apply new names`, whic
{{% notice note "Binding a workflow output" %}} {{% notice note "Binding a workflow output" %}}
To easily create a new workflow output and bind it to a task's output, click the task's **Add New** option like usual: To easily create a new workflow output and bind it to a task's output, click the task's **Add New** option like usual:
![](add_new.png) ![Screenshot showing the creation of a new output](add_new.png)
Select **Output** at the top of the *New Variable* dialog and the complete the form with the other required details: Select **Output** at the top of the *New Variable* dialog and the complete the form with the other required details:
![](new_output_parameter.png) ![Screenshot showing the new output parameter with 'Name: resourceNames' and 'Type: string'](new_output_parameter.png)
{{% /notice %}} {{% /notice %}}