たけ(tk)です
エラーメッセージをたどると、
（１）subversion は apache2 に依存している。
（２）apache2 は libdb-4.2.so に依存している。
（３）libdb-4.2.so のアップグレードは非常に危険。
ということらしいのですが・・それぞれ、ホントなんでしょうか？
ホントだとすると、あきらめた方が無難でしょうね。
[tk@EDiCube-02 tk]$ sudo apt-get update
・・
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[tk@EDiCube-02 tk]$ sudo apt-get install subversion
・・
The following packages have unmet dependencies:
subversion: Depends: apache2 (>= 2.0.48) but it is not going to be installed
Depends: libapr-0.so.0
Depends: libaprutil-0.so.0
E: Broken packages
[tk@EDiCube-02 tk]$
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[tk@EDiCube-02 tk]$ sudo apt-get install apache2
・・
The following packages have unmet dependencies:
apache2: Depends: libdb-4.2.so
E: Broken packages
[tk@EDiCube-02 tk]$
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[tk@EDiCube-02 tk]$ sudo apt-get install libdb-4.2.so
Reading Package Lists... Done
Building Dependency Tree... Done
Selecting db4 for 'libdb-4.2.so'
The following packages will be upgraded
db4
The following packages will be REMOVED:
LPRng MySQL-client MySQL-ruby MySQL-server SysVinit TrueType-base
TrueType-kochi-subst VFlib VFlib-utils XOrg XOrg-Xnest XOrg-tools XOrg-twm
XOrg-xdm Xconfigurator acpid alternatives apache apel apt aspell aumix
authconfig autoconf autofs automake bc bind bootsplash build-essential
control-center cpufreqd cups cvs cyrus-sasl desktop-file-utils dia
docbook-dtds dvipdfmx eel2 emacs emacsen-common eog eplaser-cups eruby fam
file-roller flim foomatic foomatic-ppd foomatic-ppd-gimp-print-ijs ftp gcc
gcc-c++ gcc-cpp gd-progs gdk-pixbuf gdm gedit gettext gftp ggv ghostscript
ghostscript-fonts gimp gimp-print gimp-print-plugin gnome-applets
gnome-cups-manager gnome-desktop gnome-desktop-libs gnome-libs gnome-media
gnome-panel gnome-session gnome-system-monitor gnome-system-tools
gnome-terminal gnome-user-docs gnome-utils gnome-vfs2 grip groff-perl
gstreamer-plugins gtk-engines gtkhtml2 gtksourceview hpijs imlib initscripts
intltool iptables irb jed jvf kakasi kbdconfig kernel#2.4.26-0vl15
kernel-pcmcia-cs kudzu lftp libbonobo libbonoboui liberuby libglade libgnome
libgnomecups libgnomeprint libgnomeprintui libgnomeui libruby libtool
libungif-progs libuser libxml2-python libxslt-python liece lilo magicdev
metamail mew mkinitrd mktcapdir mod_ruby mod_ssl modutils mouseconfig
mozilla mozilla-chat mozilla-dom-inspector mozilla-mail mozilla-psm murasaki
murasaki-usb-mount namazu namazu_JFdb namazu_JMANdb namazu_VineDocsdb
nautilus nautilus-media netpbm-progs newt nfs-utils nkf nscd ntp ntsysv
openjade openldap openldap-clients openldap-devel openldap-servers openssh
openssh-askpass openssh-askpass-gnome openssh-clients openssh-contrib
openssh-server openssl-perl pam passwd pciutils perl perl-DateManip
perl-File-MMagic perl-Net_SSLeay perl-Parse-Yapp perl-SGMLSpm
perl-XML-Dumper perl-XML-Encoding perl-XML-Parser perl-libxml-enno
perl-libxml-perl postfix postgresql ppp ppxp printtool procinfo proftpd pump
python qpopper quota rail rdoc readline rp-pppoe rp-pppoe-gui rpm rpm-build
rpm-perl rpm-python ruby ruby-mode ruby-openssl ruby-tcltk samba
samba-client samba-common samba-swat scrollkeeper semi setuptool sgml-common
sh-utils sharutils slang sndconfig strace sylpheed synaptic tetex
tetex-macros tknamazu usermode usermode-gtk util-linux vim vine-keyring
vine-printfilters vixie-cron w3m w3m-el w3m-img webmin wl xchat xdvik
xinitrc xml-common xpdf xscreensaver yatex yelp yp-tools ypbind zsh
WARNING: The following essential packages will be removed
This should NOT be done unless you know exactly what you are doing!
apt rpm (due to apt) readline (due to apt) vine-keyring (due to apt) python
(due to apt) initscripts modutils (due to initscripts) util-linux (due to
initscripts) SysVinit (due to initscripts) sh-utils (due to modutils) pam
passwd libuser (due to passwd)
1 upgraded, 0 newly installed, 238 removed and 34 not upgraded.
Need to get 884kB of archives.
After unpacking 1166MB disk space will be freed.
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To continue type in the phrase 'Yes, do as I say!'
?]
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take_tk = kumagai hidetake