Knowledge Base for IT Professionals, Teachers and Astronauts
When you try to run an older Node.js application under a new version of Node.js you may get deprecation warnings. If you downgrade Node.js and keep the out of date component, you will introduce a dangerous security risk in your application.
To refresh the referenced Node.js libraries
npm install --forcenpm audit fix --force
(if you accidentally run into an ancient machine)
If you use a Macintosh computer, you use the Command key all the time. Unfortunately, on the Windows keyboard you will always accidentally hit the Windows key. This can be very frustrating, as pressing the Windows key with any of the cursor keys will resize the current window.
WinDirStat is a disk utility to display the relative size of your files in a graphical interface and provide a tree view to help to find them.
Download it from https://windirstat.net/
If you want to host Chocolatey packages internally install Chocolatey. See Install Chocolatey
We will use it in the .kitchen.yml file of the Chef SDK.
Download Virtual Box from https://www.virtualbox.org/wiki/Downloads and follow the instructions to install it.
At the time of writing, this was the section where the installer files were referenced
Run the downloaded installer file and accept all default values.
The installer starts the Virtual Box application.You can close it, we will use other tools to start it in the future.
To be able to launch 64 bit guest operating systems turn off Hyper-V in Windows Features
To share the connectivity of the host computer with the virtual machine, mainly if you use VPN
To enable copy and paste between the virtual machine and the host ( your workstation )
To enable the shared folders on the virtual machine and other configurations see Virtual machine configuration at VirtualBox
For Vagrant installation see Vagrant.
The Ruby Development Kit is need for certain Ruby gems, so install it.
ruby dk.rb initruby dk.rb installor
For more details see https://www.terraform.io/intro/getting-started/install.html
Graphviz is a Dependency Graph Visualization Software. We will use this utility to display the Terraform graphs.
The Amazon Web Services command line interface installation will set up your workstation to launch instances in AWS from Test Kitchen. If you know you will work with AWS, see DevOps Engineering part 3. – Working with AWS for the AWS CLI installation.
We use Packer to create custom AWS AMIs that contain the fundamental configuration and applications that are common in every instance we launch.
or
Install a good text editor. If you do not have a favorite, I recommend Notepad ++
For Git installation and configuration see Install Git on Windows
To automatically pretty print JSON responses in Chrome
To install Make to be able to run it in the Git Bash (MINGW64) window
To be able to work with Amazon Web Services install the AWS CLI
This process with create the ~/.aws/credentials and ~/.aws/config files
aws configureAfter a major macOS upgrade (currently to Ventura) the command line tools, including git, in the terminal windows (Terminal, iTerm) stop working. We get the error message
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
The macOS terminals use the Xcode Command Line Tools to execute commands on the Mac. When you upgrade the Macintosh operating system, you need to accept the licensing agreement of the Xcode Command Line Tools.
The simplest way to do it, to re-install the Xcode Command Line Tools and click the Accept button.
xcode-select --installsudo xcode-select --resetDevelopers frequently use the .env file to store configuration values on the workstation. If the values contain sensitive data add the line to the .gitignore file to avoid committing the file into source control.
.envIf the value contains spaces, enclose it in double quotes
DEBUG_COLUMN_NAME="x Debug"Your application reads a double quote at the end of the value:
gDebugColumnName: x Debug”
There is an extra space character at the end of the line after the closing double quote in the .env file
Delete all trailing spaces from the lines in the .env file.
This page contains links to articles on rockets and space flight. Visit these links to learn more about the subject
To install SpaceWarp you need the following tools installed on your computer
cd "C:\Program Files (x86)\Steam\steamapps\common\Kerbal Space Program 2\KSP2_x64_Data\Managed“md external_dllscd external_dllsgit clone https://github.com/X606/SpaceWarp.git
pip install -r requirements.txt
You can also download SpaceWarp from https://spacedock.info/mod/3257/Space%20Warp
See https://learn.microsoft.com/en-us/visualstudio/gamedev/unity/get-started/getting-started-with-visual-studio-tools-for-unity?pivots=windows for details
To select the installed Visual Studio version
To create a new mod project with BepInEx see https://docs.bepinex.dev/articles/dev_guide/plugin_tutorial/index.html
If you use the NodeJS Express server, you have just created a new route with the code like this
router.post('/my_new_action', authenticationMiddleware, myController.myNewFunction);and created a new function to handle the request, like
async function myNewFunction(req, res) {
...
}and get the error message:
…/node_modules/express/lib/router/route.js:211
throw new Error(msg);
^Error: Route.post() requires a callback function but got a [object Undefined]
make sure you export the new function in the controller.
module.exports = {
myFirstFunction,
myNewFunction
};