Packer is a free, open-source application from Hashicorp. It can generate a server image based on an existing one, and configure it for your special needs. You can use the generated image when you launch a server instance in the cloud or on your local workstation. Install Packer Download Packer from https://www.packer.io/downloads.html, Unzip the downloaded ZIP …
Author Archives: Laszlo Pinter
Convert PEM files to PPK to use them in PuTTY
When you create a key in AWS you can download it one time in PEM format. To use it in PuTTY, the free SSH and Telnet client, you have to convert it to PPK format. To install PuTTY, see the Terminal Emulator section in Recommended utilities for your workstation To convert a PEM file to PPK Open a …
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Modify STL 3D printing files with FreeCAD
There are many free STL files are available on the internet to 3D print useful objects at home. There are times when we want to make some adjustments to them to better fit our need or 3D printing equipment. If the STL file describes an object that is larger than the maximum dimensions your printer …
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Pause 3D Printing
There are some designs where you want to change the filament or insert a nut into the product. To pause the 3D printing process Export the design into a .gcode file, Open the. gcode file with a text editor, Insert the following lines into the file at the point you want to pause. ; Display a …
Chef Attributes
Chef attributes are global variables that are available for every cookbook on the node. There are multiple formats to declare and use an attribute. For important notes on the syntax, please see Undefined method or attribute error in a Chef recipe. To override the value of an attribute that is defined in another cookbook, use the …
Prevent the auto-termination of stranded instances in RighScale
When you launch an instance with RightScale Self Service, and the Chef cookbook execution fails, the instance goes into “stranded” mode. By default RightScale Self Service terminates the stranded instances, so there is no way to remote into them and read log files to find the cause of the problem. To keep stranded instances running in RightScale …
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Getting started with InSpec
InSpec is an open-source testing framework to verify your infrastructure satisfies the design requirements. In this article, we will learn to install and use InSpec with Chef. Install InSpec Navigate to https://downloads.chef.io/inspec, and download the installer for the operating system of your workstation, Execute the downloaded installer. Allow InSpec to verify Red Hat Enterprise Linux instances InSpec needs …
Import STL mesh files into Autodesk Inventor
Import and export STL mesh files To enable Autodesk Inventor to open and save .stl files add the STL Import and STL Export add-ins to Adobe Inventor. .stl files are used to transfer 3D print designs between computers. You can download most of them for free from the Internet. In the Tools menu open the Add-in Manager …
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Recommended 3D Printer settings
There are many 3D printers, filaments, and project types out there, so the variations of 3D printer settings are almost limitless. This page contains recommended settings for the most common 3D printing jobs, printers, and materials. Printing materials Filament material Shore A hardness Shrinkage Platform adhesion Advantages PLA Blue painters tape Less warping, No heating bed required, …
Cura 3D Printing and Slicing Software
The Cura 3D printing software is made by Ultimaker, the 3D printer manufacturer. When you install the application create a profile for your printer. The user’s guide or data sheet of you printer should contain the necessary information to populate the form. Troubleshooting The save button is not enabled Symptom: The design is loaded into the program, …