On Thu, 22 Jun 2017, Charles E. Blair wrote: > When I type "apt-get upgrade" I get > this message, and things stop: > > W: There is no public key available for the following key IDs: > EF0F382A1A7B6500 > > I hope there is a simple fix.
You can ignore the warning _in this specific instance_: it is expected, and apt is using another key to verify the downloads. This warning will be fixed for the Debian 8.9 oldstable point-release (due in about a month or so), which adds the missing key. -- Henrique Holschuh