DevOps Engineering part 1. (Ubuntu server) – Install the DevOps development tools on Ubuntu server

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 …

Using the Windows Subsystem for Linux (WSL)

Sharing files between Windows Subsystem for Linux and Windows Start WSL Access the Windows files from Linux Access the Linux files from Windows To start from Windows To start from Linux Managing packages in Linux To update the Linux packages in Ubuntu and Debian, execute the command Copy paste If you have ever worked on …

Build a Docker container image for your application

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 …

Could not create an instance of type ‘Microsoft.AspNetCore.Http.HttpContext’

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 …

Error: Failed to instantiate provider “aws” to obtain schema: Incompatible API version with plugin. Plugin version: 4, Client versions: [5]

When a provider has been updated outside of Terraform, (for example in Terraformer) Terraform can get out of sync with that provider version. terraform init works, but terraform plan throws the error message: Error: Failed to instantiate provider “aws” to obtain schema: Incompatible API version with plugin. Plugin version: 4, Client versions: [5] To update …

Cities: Skylines game frequently crashes

The Cities: Skylines game keeps objects in memory even if the object is not used. Even a 16GB system can crash frequently if the memory usage is not managed. “Oops! The game crashed The memory usage is high, even when the map is not too complex. Enable enough Virtual Memory Make sure Windows has enough …

Docker in Windows 10 via VMware Fusion on a MacBook Pro

To run Windows Docker containers on your Macintosh computer, use the following setup. This will introduce a performance hit, because you run virtualization in virtualization. Besides the usual setup process, you need to enable hypervisor applications to avoid the error Error response from daemon: container … encountered an error during CreateContainer: failure in a Windows …