How can I troubleshoot the issue of ng’ is not recognized as an internal or external command, operable program, or batch file?

In your provided scenario in the context of DevOps, when you get the error message “ng’ is not recognized as an internal or external command, operable program or batch file” then it means that the Angular command line interface is not properly installed or set to its path.

Here is the step given of how you can solve this particular issue:

Verify Angular command line interface installation

Open the terminal or prompt of command.

Then run the command “ng--- version”

If there is an angular command line interface already the command will show the result by displaying its version information. If there is not then you need to install it by running the command “ mom install -g @angular/CLI”

Checking the variables of the environment

Ensure that the command line interface of angular is installed in the appropriate path in your system’s PATH Value.

Restarting the terminal or command prompt

After making the changes in environment variables, close the terminal or command prompt and then reopen to ensure the changes take effect.

Reinstall the Angular command line interface

Sometimes the technique of reinstalling the angular command line interface works for avoiding these particular issues.

Checking Node.js installation

Ensure that the node.js is installed properly. It is so because the Angular command line interface Heavenly relies on node.js. You can verify the installation of node.js by using the command “node--- version”

Permission and accessing

There are also might be issues of permission and access. Therefore, ensure that you have granted all permission and access to run the program.