[GTALUG] Updating Wheezy to Jessie

[David Mason]

I have a server at home that tends to be install and forget.

It's running Wheezy and zfsonlinux.  Unfortunately zfsonlinux no longer
supports Wheezy, so upgrading isn't as straight-forward as I would hope.

I am following instructions at https://www.howtoforge.com/
tutorial/how-to-upgrade-debian-wheezy-to-jessie-stable-release/ and one of
the early steps is to do apt-get update which gets some "No public key
available" for the zfsonlinux/wheezy links. This leads to the following:

root at server:/etc/apt# apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages have been kept back:
  default-jdk default-jre default-jre-headless zfsutils
The following packages will be upgraded:
  apt apt-utils base-files bash bind9-host binutils cpio cups cups-client
cups-common cups-filters cups-ppdc dbus debian-archive-keyring dnsutils dpkg
  dpkg-dev e2fslibs e2fsprogs exim4 exim4-base exim4-config
exim4-daemon-light file fontconfig fontconfig-config foomatic-filters
ghostscript
  ghostscript-cups gnupg gpgv grub-common grub-pc grub-pc-bin grub2-common
gstreamer0.10-gconf gstreamer0.10-plugins-bad gstreamer0.10-plugins-base
  gstreamer0.10-plugins-good gstreamer0.10-x host hpijs hplip hplip-data
icedtea-6-jre-cacao icedtea-6-jre-jamvm icedtea-netx icedtea-netx-common
  isc-dhcp-client isc-dhcp-common java-common krb5-locales libapt-inst1.5
libapt-pkg4.12 libass4 libavcodec53 libavformat53 libavutil51 libbind9-80
  libc-bin libc-dev-bin libc6 libc6-dev libcairo-gobject2 libcairo2
libcomerr2 libcups2 libcupscgi1 libcupsdriver1 libcupsfilters1 libcupsimage2
  libcupsmime1 libcupsppdc1 libcurl3-gnutls libdbus-1-3 libdns88
libdpkg-perl libevent-2.0-5 libexpat1 libfontconfig1 libfreetype6 libfuse2
libgc1c2
  libgcrypt11 libgd2-xpm libgdk-pixbuf2.0-0 libgdk-pixbuf2.0-common libgif4
libgme0 libgnutls-openssl27 libgnutls26 libgs9 libgs9-common
libgssapi-krb5-2
  libgssrpc4 libgstreamer-plugins-bad0.10-0 libgstreamer-plugins-base0.10-0
libgtk-3-0 libgtk-3-bin libgtk-3-common libhpmud0 libicu48 libidn11 libisc84
  libisccc80 libisccfg82 libjasper1 libk5crypto3 libkadm5clnt-mit8
libkadm5srv-mit8 libkdb5-6 libkrb5-3 libkrb5support0 liblcms1 liblcms2-2
libldap-2.4-2
  liblwres80 libmagic1 libnspr4 libnss3 libnvpair1 libpcsclite1 libperl5.14
libpixman-1-0 libpng12-0 libpoppler19 libpython2.7 librsvg2-2
librsvg2-common
  libsane-hpaio libslp1 libsqlite3-0 libss2 libssl1.0.0 libsystemd-login0
libtasn1-3 libtiff4 libupnp6 libuutil1 libx11-6 libx11-data libx11-dev
libx11-doc
  libx11-xcb1 libxapian22 libxfixes3 libxi6 libxml2 libxpm4 libxrandr2
libxrender1 libxslt1.1 libxtst6 libxv1 libzfs2 libzpool2
linux-headers-3.2.0-4-amd64
  linux-headers-3.2.0-4-common linux-image-3.2.0-4-amd64 linux-libc-dev
live-tools locales mime-support multiarch-support openjdk-6-jdk
openjdk-6-jre
  openjdk-6-jre-headless openjdk-6-jre-lib openssh-client openssh-server
openssl perl perl-base perl-modules poppler-utils printer-driver-hpcups
  printer-driver-hpijs printer-driver-postscript-hp python-crypto
python-imaging python2.7 python2.7-minimal rpcbind spl spl-dkms ssl-cert
sudo tar tzdata
  tzdata-java unzip vim-common vim-tiny wget wpasupplicant xscreensaver
xscreensaver-data zfs-dkms zfsonlinux
199 upgraded, 0 newly installed, 0 to remove and 4 not upgraded.
Need to get 217 MB of archives.
After this operation, 4,578 kB disk space will be freed.
Do you want to continue [Y/n]?
WARNING: The following packages cannot be authenticated!
  zfs-dkms zfsonlinux libuutil1 libnvpair1 libzpool2 libzfs2 grub-pc
grub-pc-bin grub2-common grub-common spl spl-dkms
Install these packages without verification [y/N]?
E: Some packages could not be authenticated

And nothing happens.  I guess I have to tell it not to try to upgrade those
unauthenticated packages, but I don't know how.

Any advice appreciated.

Thanks  ../Dave
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