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I had a fresh install of Ubuntu 12.04 LTS 64-bit. After a month or so i updated the packages (apt-get upgrade -y). All packages suceed except for tzdata. This one has been kept pack.

As i tried to upgrade it manually (apt-get install tzdata), I've seen that it needs to remove 221 packages to upgrade. The packages which will be removed are some standard system libs as far as i understand. If I upgrade, will the system be crashed

sudo apt-get install tzdata

Reading package lists... Done

Building dependency tree Reading state information... Done

The following packages will be REMOVED:
  bluez-alsa:i386 glib-networking:i386 gstreamer0.10-plugins-base:i386
  gstreamer0.10-plugins-good:i386 gtk2-engines:i386 gtk2-engines-murrine:i386
  gtk2-engines-oxygen:i386 gtk2-engines-pixbuf:i386 gvfs:i386 gvfs-libs:i386
  ia32-libs ia32-libs-multiarch:i386 ibus-gtk:i386 libaa1:i386 libacl1:i386
  libao4:i386 libasn1-8-heimdal:i386 libasound2:i386 libasound2-plugins:i386
  libasyncns0:i386 libatk1.0-0:i386 libattr1:i386 libaudio2:i386
  libaudiofile1:i386 libavahi-client3:i386 libavahi-common3:i386
  libavc1394-0:i386 libbz2-1.0:i386 libc6:i386 libcaca0:i386
  libcairo-gobject2:i386 libcairo2:i386 libcanberra-gtk-module:i386
  libcanberra-gtk0:i386 libcanberra0:i386 libcap2:i386 libcapi20-3:i386
  libcdparanoia0:i386 libcomerr2:i386 libcroco3:i386 libcups2:i386
  libcupsimage2:i386 libcurl3:i386 libdatrie1:i386 libdb5.1:i386
  libdbus-1-3:i386 libdbus-glib-1-2:i386 libdrm2:i386 libdv4:i386 libesd0:i386
  libexif12:i386 libexpat1:i386 libffi6:i386 libflac8:i386 libfontconfig1:i386
  libfreetype6:i386 libgail-common:i386 libgail18:i386 libgcc1:i386
  libgconf-2-4:i386 libgcrypt11:i386 libgd2-xpm:i386 libgdbm3:i386
  libgdk-pixbuf2.0-0:i386 libgettextpo0:i386 libgl1-mesa-glx:i386
  libglapi-mesa:i386 libglib2.0-0:i386 libglu1-mesa:i386
  libgnome-keyring0:i386 libgnutls26:i386 libgomp1:i386 libgpg-error0:i386
  libgphoto2-2:i386 libgphoto2-port0:i386 libgpm2:i386 libgssapi-krb5-2:i386
  libgssapi3-heimdal:i386 libgstreamer-plugins-base0.10-0:i386
  libgstreamer0.10-0:i386 libgtk2.0-0:i386 libgudev-1.0-0:i386
  libhcrypto4-heimdal:i386 libheimbase1-heimdal:i386 libheimntlm0-heimdal:i386
  libhx509-5-heimdal:i386 libibus-1.0-0:i386 libice6:i386 libidn11:i386
  libiec61883-0:i386 libieee1284-3:i386 libjack-jackd2-0:i386 libjasper1:i386
  libjpeg-turbo8:i386 libjpeg8:i386 libjson0:i386 libk5crypto3:i386
  libkeyutils1:i386 libkrb5-26-heimdal:i386 libkrb5-3:i386
  libkrb5support0:i386 liblcms1:i386 libldap-2.4-2:i386 libltdl7:i386
  libmad0:i386 libmikmod2:i386 libmng1:i386 libmpg123-0:i386 libncurses5:i386
  libncursesw5:i386 libnspr4:i386 libnss3:i386 libodbc1:i386 libogg0:i386
  libopenal1:i386 liborc-0.4-0:i386 libp11-kit0:i386 libpango1.0-0:i386
  libpcre3:i386 libpixman-1-0:i386 libpng12-0:i386 libproxy1:i386
  libpulse-mainloop-glib0:i386 libpulse0:i386 libpulsedsp:i386
  libqt4-dbus:i386 libqt4-declarative:i386 libqt4-designer:i386
  libqt4-network:i386 libqt4-opengl:i386 libqt4-qt3support:i386
  libqt4-script:i386 libqt4-scripttools:i386 libqt4-sql:i386 libqt4-svg:i386
  libqt4-test:i386 libqt4-xml:i386 libqt4-xmlpatterns:i386 libqtcore4:i386
  libqtgui4:i386 libqtwebkit4:i386 libraw1394-11:i386 libroken18-heimdal:i386
  librsvg2-2:i386 librsvg2-common:i386 librtmp0:i386 libsamplerate0:i386
  libsane:i386 libsasl2-2:i386 libsdl-image1.2:i386 libsdl-mixer1.2:i386
  libsdl-net1.2:i386 libsdl-ttf2.0-0:i386 libsdl1.2debian:i386
  libselinux1:i386 libshout3:i386 libslang2:i386 libsm6:i386 libsndfile1:i386
  libsoup-gnome2.4-1:i386 libsoup2.4-1:i386 libspeex1:i386 libspeexdsp1:i386
  libsqlite3-0:i386 libssl0.9.8:i386 libssl1.0.0:i386 libstdc++5:i386
  libstdc++6:i386 libtag1-vanilla:i386 libtag1c2a:i386 libtasn1-3:i386
  libtdb1:i386 libthai0:i386 libtheora0:i386 libtiff4:i386 libtinfo5:i386
  libudev0:i386 libunistring0:i386 libusb-0.1-4:i386 libuuid1:i386
  libv4l-0:i386 libv4lconvert0:i386 libvisual-0.4-0:i386 libvorbis0a:i386
  libvorbisenc2:i386 libvorbisfile3:i386 libwavpack1:i386
  libwind0-heimdal:i386 libwrap0:i386 libx11-6:i386 libx11-xcb1:i386
  libxau6:i386 libxaw7:i386 libxcb-glx0:i386 libxcb-render0:i386
  libxcb-shm0:i386 libxcb1:i386 libxcomposite1:i386 libxcursor1:i386
  libxdamage1:i386 libxdmcp6:i386 libxext6:i386 libxfixes3:i386 libxft2:i386
  libxi6:i386 libxinerama1:i386 libxml2:i386 libxmu6:i386 libxp6:i386
  libxpm4:i386 libxrandr2:i386 libxrender1:i386 libxslt1.1:i386 libxss1:i386
  libxt6:i386 libxtst6:i386 libxv1:i386 libxxf86vm1:i386 odbcinst1debian2:i386
  xaw3dg:i386 zlib1g:i386
The following packages will be upgraded:
1 upgraded, 0 newly installed, 221 to remove and 0 not upgraded.

Please, give me some hints if I should upgrade or why this comes?

share|improve this question
The packages that are going to be removed are i386 (i.e. 32-bit) packages. Probably they are going to be removed just because you don't need them. The answer is before the line The following packages will be REMOVED, please paste the whole output. Thanks! –  Andrea Corbellini Jan 31 '13 at 11:01
It is usually recommended to not use the -y option with apt-get. For future large upgrades, please consider using just sudo apt-get upgrade — or, for a new installation, you may need sudo apt-get dist-upgrade (this does not upgrade your distribution, even though the name implies it). –  Paddy Landau Jan 31 '13 at 11:44
hi, if i try to update it i get a warning "WARNING: The following packages cannot be authenticated! tzdata". Distro-upgrade done successfully. Should I upgrade tzdata now or not ? –  Thomas233 Jan 31 '13 at 12:50
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