Hi, On 04/07/2016 12:14 AM, John T. Haggerty wrote: > deb cdrom:[Debian GNU/Linux 8.3.0 _Jessie_ - Official amd64 DVD Binary-1 > 20160123-19:03]/ jessie contrib main > > deb cdrom:[Debian GNU/Linux 8.3.0 _Jessie_ - Official amd64 DVD Binary-2 > 20160123-19:03]/ jessie contrib main > > deb cdrom:[Debian GNU/Linux 8.3.0 _Jessie_ - Official amd64 DVD Binary-3 > 20160123-19:03]/ jessie contrib main
So here you still have the DVDs as your primary archive source, and no network mirror. This is possible to do, but if for any reason you (or something you ran where you didn't necessarily know the side effects of) deleted your /var/lib/apt/lists/ at some point, apt-get update will not automatically restore the package lists from the CDs. You have two options: A. Switch over to use a network mirror for installations. In that case, remove the cdrom lines (but _only_ the cdrom lines) and add something like the following to your sources.list: deb http://httpredir.debian.org/debian jessie main Then run apt-get update again. B. Continue using the DVDs, but have APT re-read the lists of packages. For that, also remove the cdrom lines, and then run the following command: apt-cdrom add It will prompt you to insert the DVD. After it has copied the list from the DVD and you get the command line back, run it again and repeat the process for all 3 DVDs. Then run apt-get update again. After either of these procedures, you should be able to install the package you wanted to install. IMPORTANT: There's a subtle difference between both of the methods: the network mirrors carry only the _latest_ Jessie point release, which is now 8.4. So if you add a network mirror, there will be a few upgrades available and you'll upgrade to that next point release. If you stick with the DVDs, you'll remain on 8.3 with the exception of security updates, which you have enabled. > # jessie-updates, previously known as 'volatile' > # A network mirror was not selected during install. The following entries > # are provided as examples, but you should amend them as appropriate > # for your mirror of choice. > # > # deb http://ftp.debian.org/debian/ jessie-updates main contrib > # deb-src http://ftp.debian.org/debian/ jessie-updates main contrib > # wheezy-backports > deb http://ftp.debian.org/debian/ wheezy-backports main This has nothing to do with your problem, but I would not recommend using wheezy-backports in combination with Jessie. (It shouldn't hurt, as all packages in wheezy-backports should also be in jessie in basically the same version, but it's not what you should have there.) If you need backports _for_ jessie, replace that with jessie-backports. See http://backports.debian.org/ and http://backports.debian.org/Instructions/ for details. Regards, Christian
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