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…
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…
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…
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…
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…
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…
Monoprice Select Mini 3D Printer
The Monoprice Select Mini 3D printer is one of the best values on the market today. For $220 you get a 50-micron (0.05 mm) resolution 3D printer with PLA and ABS capabilities, and heated printing platform. The heated platform can reduce or eliminate the…
Undefined method or attribute error in a Chef recipe
There are multiple reasons Chef can display the following error message NoMethodError ------------- Undefined method or attribute `...' on `node' There are many ways to reference an attribute in a Chef recipe: node['ATTRIBUTE_NAME'] (the…
Monitor timeouts in TeamCity
TeamCity is a Continuous Integration (CI) tool that enables software development teams to build and test their software. Sometimes the server is too busy to serve the users and the web user interface does not respond in time. TeamCity logs all actions in…
Native resolution in Remote Desktop client on MacOSX
When you connect to a Windows computer from your Macintosh workstation the best remote desktop client is the Microsoft Remote Desktop app from the Apple Appstore. To configure the remote desktop connection for the best experience Select Native resolution…