To test the configuration, press Command+Ctrl+Q to lock the Mac. Make sure your YubiKey is not plugged in to the Mac and attempt to login; you should not be able to login, even with the correct password. Then, insert the YubiKey and confirm you are able to login after entering the correct password. Enabling the Configuration.

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• Enter the below command to remove the Node js from MacOS. # sudo rm -R node. Finally, we’ve successfully uninstalled the Node JS from MacOS, use the given below command to check whether the Node and NPM completely removed from our system. We have completed our task if you are getting below output. # -bash: node: command not found.
• Launch Terminal and type: ntpdate -u time.apple.com. Note: If you receive 'operation not permitted' put sudo in front of the command. Sudo ntpdate -u time.apple.com. Proceed normally. The problem is, SYSTEM DATE is wrong, and CERT validation is failing (https) First, ensure your Mac is connected to a wired or wireless network.

I am going to share with you step by step process about how to uninstall Node JS and Node Package Manager(NPM) from MacOS. I will use MacOS terminal to uninstall Node JS and NPM completely.

Follow the Step by Step Process to Uninstall Node Js from MacOS.

Go to MacOS Terminal

You can check out the Node installation in mac by using the below command. It will show node js version installed in your device.

Open the terminal and enter the given below command to know your current directory.

Go to your root directory.

Then enter into the usr directory by using following command.

Go to locale directory.

Enter into include folder by using given below command.

Now if you enter the ls command then you’ll see thenode folder inside the include folder like given below.

We have to remove this node folder to completely uninstall the Node js from MacOS.

Remove node_modules from MacOS

In next step we have to completely remove node_modules from our system.

Follow the steps

Enter the below command to go back to previous folder.

Go to lib directory, hit the below command to enter into the lib directory.

Use the below command to remove the node_modules (NPM) folder.

Enter the below command to come out from the directory.

Go to bin folder using below command.

Here you also have to delete the node folder to uninstall the Node js completely.

Enter the below command to remove the Node js from MacOS.

Finally, we’ve successfully uninstalled the Node JS from MacOS, use the given below command to check whether the Node and NPM completely removed from our system.

We have completed our task if you are getting below output.

These advanced steps are primarily for system administrators and others who are familiar with the command line. You don't need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful when you want to install on multiple computers without downloading the installer each time.

What you need to create a bootable installer

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• A USB flash drive or other secondary volume formatted as Mac OS Extended, with at least 14GB of available storage
• A downloaded installer for macOS Big Sur, Catalina, Mojave, High Sierra, or El Capitan

Download macOS

• Download: macOS Big Sur, macOS Catalina, macOS Mojave, or macOS High Sierra
  These download to your Applications folder as an app named Install macOS [version name]. If the installer opens after downloading, quit it without continuing installation. To get the correct installer, download from a Mac that is using macOS Sierra 10.12.5 or later, or El Capitan 10.11.6. Enterprise administrators, please download from Apple, not a locally hosted software-update server.
• Download: OS X El Capitan
  This downloads as a disk image named InstallMacOSX.dmg. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. It installs an app named Install OS X El Capitan into your Applications folder. You will create the bootable installer from this app, not from the disk image or .pkg installer.

Use the 'createinstallmedia' command in Terminal

1. Connect the USB flash drive or other volume that you're using for the bootable installer.
2. Open Terminal, which is in the Utilities folder of your Applications folder.
3. Type or paste one of the following commands in Terminal. These assume that the installer is in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. If it has a different name, replace MyVolume in these commands with the name of your volume.

Big Sur:*

Catalina:*

Mojave:*

High Sierra:*

El Capitan:

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* If your Mac is using macOS Sierra or earlier, include the --applicationpath argument and installer path, similar to the way this is done in the command for El Capitan.

After typing the command:

1. Press Return to enter the command.
2. When prompted, type your administrator password and press Return again. Terminal doesn't show any characters as you type your password.
3. When prompted, type Y to confirm that you want to erase the volume, then press Return. Terminal shows the progress as the volume is erased.
4. After the volume is erased, you may see an alert that Terminal would like to access files on a removable volume. Click OK to allow the copy to proceed.
5. When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Big Sur. You can now quit Terminal and eject the volume.
   

Use the bootable installer

Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:

Apple silicon

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1. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
2. Turn on your Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes.
3. Select the volume containing the bootable installer, then click Continue.
4. When the macOS installer opens, follow the onscreen instructions.

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1. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
2. Press and hold the Option (Alt) ⌥ key immediately after turning on or restarting your Mac.
3. Release the Option key when you see a dark screen showing your bootable volumes.
4. Select the volume containing the bootable installer. Then click the up arrow or press Return.
   If you can't start up from the bootable installer, make sure that the External Boot setting in Startup Security Utility is set to allow booting from external media.
5. Choose your language, if prompted.
6. Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions.

Learn more

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A bootable installer doesn't download macOS from the internet, but it does require an internet connection to get firmware and other information specific to the Mac model.

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For information about the createinstallmedia command and the arguments you can use with it, make sure that the macOS installer is in your Applications folder, then enter the appropriate path in Terminal: