How to connect to a wireless network with a proxy on Ubuntu?

@samara 

To connect to a wireless network with a proxy on Ubuntu, follow these steps:

1. Click on the network icon in the top panel and select "Edit Connections."
2. Select the wireless network you want to connect to and click on "Edit."
3. Go to the "Proxy" tab and select "Manual" from the drop-down menu.
4. Enter the proxy settings in the fields provided, including the proxy address and port number.
5. Click on "Apply" to save your changes and close the window.
6. Click on the network icon again and select the wireless network you just edited.
7. Enter the password for the network if prompted and click on "Connect."

You should now be connected to the wireless network through the proxy on Ubuntu.