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root@1[hammer]# apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages have been kept back:
  915resolution amarok amarok-xine apt-file beryl-plugins-unsupported beryl-settings-bindings bind9-host bluez-cups bluez-utils cdda2wav cdrecord clamav clamav-base
  clamav-freshclam cupsys cupsys-bsd cupsys-client cupsys-driver-gutenprint davfs2 debianutils digikam digikamimageplugins dmsetup dnsutils dvd+rw-tools evms-gui ffmpeg firefox
  foo2zjs gaim gaim-data gconf2 gconf2-common gimp gimp-data gimp-helpbrowser gnupg gparted grep-dctrl gs-esp gsfonts-x11 gv hal hplip hplip-data hwinfo initramfs-tools
  initscripts k3b kcontrol kdebase-bin kdebase-kio-plugins kdebluetooth kdepim-kio-plugins kdesktop kdm kdnssd kfind kid3 kipi-plugins klamav kmplayer kmplayer-base
  kmplayer-konq-plugins knetworkmanager konq-plugins konqueror kpowersave ksynaptics ksysguard ksysguardd launchpad-integration libbind9-0 libdevmapper1.02
  libfinance-quote-perl libgail-common libgconf2-4 libggi2 libgtkhtml2-0 libgtkmm-2.4-1c2a libimlib2 libisccfg1 libjack0.100.0-0 libldap2 libmail-spf-query-perl
  libqt4-qt3support libqt4-sql librsvg2-2 libsasl2 libsasl2-modules libx11-6 libxalan2-java libxerces2-java libxine-extracodecs libxine1 locales lvm-common lvm2 mdadm mkisofs
  mozilla-mplayer netbase network-manager nvidia-glx openoffice.org-calc openoffice.org-common openoffice.org-core openoffice.org-draw openoffice.org-help-en-us
  openoffice.org-impress openoffice.org-kde openoffice.org-l10n-en-us openoffice.org-math openoffice.org-writer pan partimage pciutils pykdeextensions python python-gtk2
  python-imaging python-imaging-tk python-minimal python-qt3 python-tk python-uno python2.4 python2.4-minimal qobex rdiff-backup samba samba-common smb4k smbclient smbfs
  splashy sysvinit udev unionfs-utils util-linux vbetool whiptail xaralx xchat xchat-common xfonts-100dpi xfonts-base xfonts-utils xterm
The following packages will be upgraded:
  beryl-plugins khelpcenter
2 upgraded, 0 newly installed, 0 to remove and 149 not upgraded.
523 not fully installed or removed.
Need to get 0B/2674kB of archives.
After unpacking 418kB of additional disk space will be used.
Do you want to continue [Y/n]? y
WARNING: The following packages cannot be authenticated!
  beryl-plugins khelpcenter
Authentication warning overridden.
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "en",
        LC_ALL = "en_US",
        LANG = "en_US"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_ALL to default locale: No such file or directory
(Reading database ... 72650 files and directories currently installed.)
Preparing to replace beryl-plugins 0.1.9999.2~1mepis1 (using .../beryl-plugins_0.2.1-0ubuntu2_i386.deb) ...
Unpacking replacement beryl-plugins ...
dpkg: error processing /var/cache/apt/archives/beryl-plugins_0.2.1-0ubuntu2_i386.deb (--unpack):
 trying to overwrite `/usr/lib/beryl/libtext.so', which is also in package beryl-plugins-unsupported
Preparing to replace khelpcenter 4:3.5.3-0ubuntu0.2.1mepis1 (using .../khelpcenter_4%3a3.5.6-0ubuntu20_i386.deb) ...
Unpacking replacement khelpcenter ...
dpkg: error processing /var/cache/apt/archives/khelpcenter_4%3a3.5.6-0ubuntu20_i386.deb (--unpack):
 trying to overwrite `/usr/share/doc/kde/HTML/en/khelpcenter/userguide/knode-news-account.png', which is also in package kdebase-bin
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Errors were encountered while processing:
 /var/cache/apt/archives/beryl-plugins_0.2.1-0ubuntu2_i386.deb
 /var/cache/apt/archives/khelpcenter_4%3a3.5.6-0ubuntu20_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@1[hammer]#