Knowledge Base for IT Professionals, Teachers and Astronauts
Syntax changes There are breaking changes between Chef Client version 13 and the newer versions, make sure you update your Chef cookbooks to make them work with the new version of the Chef Client. Resource Since version Old syntax New syntax Notes logger Client 14.0 keyword, cannot use it as a variable or parameter name …
Continue reading “Migrating from Chef Client version 13 to 15”
Install Visual Studio Code Install Delve For up-to date info visit https://github.com/derekparker/delve/tree/master/Documentation/installation
When you use PowerShell to join a Windows server to the domain make sure the -OUPath is correct. Computer failed to join domain from its current workgroup ‘WORKGROUP’ with following error message: The system cannot open the device or file specified. In this case we wanted to place the joined computers in the Computers folder, …
Computer ‘…’ failed to join domain ‘…’ from its current workgroup ‘WORKGROUP’ with following error message: Unable to update the password. The value provided as the current password is incorrect. If you can join the computer to a domain using the UI, but the PowerShell script fails with the error message above, make sure you …
By default dotnet core limits the form element count to 1024. To submit forms with more elements, increase the limit in the ConfigureServices() method of the Startup.cs file:
Makefiles are great to self-document frequently executed commands in a repository. They provide easy access to the bash code by easy to remember tags. Formatting Only tabs are allowed to indent lines. The indentation groups the commands under the rules. The error Makefile:22: *** missing separator. Stop. means, there are spaces instead of tabs in …
Ubuntu server does not have a user interface, we will use the terminal to install the DevOps tools. Terraform On your workstation open a web browser and navigate to https://www.terraform.io/downloads.html to get the version of the latest Terraform release. Substitute the x.x.x with the latest version AWS CLI To install AWS CLI with the package …
Sharing files between Windows Subsystem for Linux and Windows Access the Windows files from Linux Start WSL In the terminal navigate to the /mnt directory The drives are mounted to sub-directories Access the Linux files from Windows Start the WSL application in Windows 10 (in this case with the Ubuntu distro) Open Windows Explorer in …
Continue reading “Using the Windows Subsystem for Linux (WSL)”
Create the image A Docker container image is one of the best formats to distribute your application. The container provides an immutable environment, so the application runs the same way on your workstation and on any server. We will use the simple Go application we have created in the Your first Go application post. In …
Continue reading “Build a Docker container image for your application”
The new version of dotnet core cannot handle the HttpContext in the MVC model. An unhandled exception has occurred while executing the request. System.InvalidOperationException: Could not create an instance of type ‘Microsoft.AspNetCore.Http.HttpContext’. Model bound complex types must not be abstract or value types and must have a parameterless constructor. Alternatively, set the ‘HttpContext’ property to …
Continue reading “Could not create an instance of type ‘Microsoft.AspNetCore.Http.HttpContext’”