Repositories for Raspbian (Debian Stretch) no longer supported

This is a note on the Raspbian release, but probably will need a similar action for any other ones so expired support

/etc/apt/sources.list
comment out "raspbian" entry and add "legacy" one.

-- old

deb http://raspbian.raspberrypi.org/raspbian/ stretch main contrib non-free rpi

-- should be

deb http://legacy.raspbian.org/raspbian/ stretch main contrib non-free rpi

need to do apt-update

--30--