Note that if you change the subject line, you start a new thread. And every request should be made to the list, so that others can benefit.
As I said: > On my Jessie installation, there is a Network Manager Applet which has > been adequate for my needs. The network manager was installed by default, and you should see the icon on your desktop. Here are a few man pages which are listed in response to "apropos network": NetworkManager (8) - network management daemon NetworkManager.conf (5) - NetworkManager configuration file networks (5) - network name information nm-applet (1) - network monitor and control GUI applet nm-connection-editor (1) - network connection editor for NetworkManager nm-online (1) - ask NetworkManager whether the network is connected nm-settings (5) - Description of settings and properties of NetworkManager connection profiles If the manual pages do not provide the answer, a google search on "debian jessie wifi" turns up several articles. I generally use ethernet and have litte experience regarding troubleshooting wifi. RLH
