On Wednesday 31 August 2016 10:39:53 Lisi Reisz wrote: > Since you are not replying to anyhting, you may not be subscribed,
I had a reply off list that said that Larry is not replying to our questions because he considers them irrelevant to his original question. Lisi > so here > is what I said again: > > On Tuesday 30 August 2016 20:58:47 Larry Dighera wrote: > > This page <https://www.debian.org/releases/stable/errata> states: > > > > "If you use APT, add the following line to /etc/apt/sources.list to > > be able to access the latest security updates: > > > > deb http://security.debian.org/ jessie/updates main contrib non-free > > > > After that, run apt-get update followed by apt-get upgrade." > > > > Adding that entry to /etc/apt/sources.list on the Raspberry Pi3 running > > Debian Jessie results in an error message indicating that the public key > > is not found. It also finds two libraries that require updating that are > > not found when the above mentioned /etc/apt/sources.list entry is > > removed. > > > > 1. What do I need to do to prevent the error message? > > > > 2. As there are other security related URLs (doubtless, as > > distributed/released) that are checked during apt-get update, is the > > recommended additional entry advisable/useful for this platform? > > What is the whole of your sources.list? > > Lisi > > Like other respondents I suspect that you are using Raspbian not Debian. > Your sources list will tell me/us, or guide us ot teh problem if it is not > that.