To configure wireless security on Ubuntu, you can follow these steps:
- Click on the network icon in the top right corner of the screen and select "Edit Connections".
- Select the wireless network you want to configure and click on "Edit".
- In the "Wi-Fi Security" tab, select the security type that your wireless network is using. If you are unsure, check with your network administrator or router documentation.
- Enter the network security key (also known as passphrase or password) in the "Password" field.
- If your wireless network uses WPA or WPA2 encryption, you may also need to select the authentication method (e.g., "PEAP" or "TLS") and enter additional authentication information (e.g., username and password).
- Click "Save" to apply the changes.
- You can also choose to enable "Connect automatically" to automatically connect to the network when it's available.
- Finally, if you are using a public or unsecured wireless network, it's recommended to use a Virtual Private Network (VPN) to protect your data and privacy.
Note: These steps may vary slightly depending on the version of Ubuntu you are using and the wireless network security settings.