Knowledge Base for IT Professionals, Teachers and Astronauts
To launch an Elastic Load Balancer ( ELB ) with an existing SSL certificate using Terraform, you need to specify the AWS certificate resource id. If you have already uploaded the certificate and attached it to an existing load balancer, the following AWS CLI command will display it in the command window. MY_PROFILE is the name of the …
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When you use Lync to send and receive technical messages, some of the character combinations are displayed as small icons. To turn off this feature In the Lync menu select Preferences, On the Appearance tab uncheck Show emoticons in instant messages.
The iPhone auto correction tries to guess and correct the text as you type. If you use technical terms or write in multiple languages, those guesses are most of the time wrong. To turn off auto correction on your iPhone Open Settings Select General Select Keyboard Turn off Auto-Correction
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 …
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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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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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 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 …
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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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 …