On 24 January 2018 at 16:19, Greg Wooledge <wool...@eeg.ccf.org> wrote:
> On Wed, Jan 24, 2018 at 03:49:08PM +0000, Michael Fothergill wrote: > > If you can be sid and experimental together then I guess [...] > > Experimental is not a release. You can't "be experimental". It is > merely a place where individual packages are uploaded, when they are > considered "not ready to be in unstable yet". > > Typically the package maintainer EXPECTS these packages to have bugs, > and wants focused help from people who are familiar with the package > to find and squish them. Or, the package may be uploaded in a "known > broken" condition because it could still be useful in highly specialized > circumstances, where the new features outweigh the known bugs. > > The packages in experimental do NOT automatically migrate into unstable > or testing. They are not part of the normal package lifecycle. > > To use a package from experimental, you must download it directly, and > install it directly. You don't use apt or its cousins, unless it's > to backfill dependencies (apt-get -f install) from your actual release. > I fired up Debian stretch here and ran the following: r oot@mikef-PC:/etc/apt# apt-get update Ign:1 http://ftp.uk.debian.org/debian stretch InRelease Hit:2 http://ftp.uk.debian.org/debian stretch Release Hit:3 http://security.debian.org stretch/updates InRelease Reading package lists... Done root@mikef-PC:/etc/apt# apt-get -t experimental install linux-headers-4.15.0-rc8-all-amd64 Reading package lists... Done and got the following error: E: The value 'experimental' is invalid for APT::Default-Release as such a release is not available in the sources Mysources file looks like this: root@mikef-PC:/etc/apt# more sources.list # ###### Debian Main Repos deb http://ftp.uk.debian.org/debian/ stretch main experimental contrib non-free ###### Debian Update Repos deb http://security.debian.org/ stretch/updates main contrib non-free deb-src http://security.debian.org/ stretch/updates main contrib non-free root@mikef-PC:/etc/apt# Is the error caused by me trying to run apt at all here ie I should use some other command to install the linux image file? Comments appreciated. Michael Fothergill