To disable wireless networking in Ubuntu, follow these steps:
- Click on the network icon in the menu bar and select "Edit Connections."
- Select the wireless connection you want to disable.
- Click the "Edit" button.
- In the "General" tab, uncheck the "Connect automatically" option.
- Click the "Save" button.
- Now your wireless network will be disabled and you can choose to enable it again in the future if needed.