Linuxサーバーでのlibxmlとlibxml2のアップグレード

現在、私のサーバーにはlibxmlバージョン2.6.16がすでにあります。 Symfony Frameworkを使用し、libxmlの親バージョンである2.6.21以降を使用する展開する新しいプロジェクトがあります。また、Red Hat Enterprise Linux ASバージョン4を使用しています。今私の質問は何をすべきか、アップグレードが必要な場合はどのようにアップグレードしますか？

修正する このコマンドを実行した後、rpm -Uvh libxml2*.rpm次のエラーが発生します。

warning: only V3 signatures can be verified, skipping V4 signature
error: Failed dependencies:
        libc.so.6()(64bit) is needed by libxml2-2.7.2-1.x86_64
        libc.so.6(GLIBC_2.2.5)(64bit) is needed by libxml2-2.7.2-1.x86_64
        libc.so.6(GLIBC_2.3)(64bit) is needed by libxml2-2.7.2-1.x86_64
        libc.so.6(GLIBC_2.3.2)(64bit) is needed by libxml2-2.7.2-1.x86_64
        libc.so.6(GLIBC_2.3.4)(64bit) is needed by libxml2-2.7.2-1.x86_64
        libc.so.6(GLIBC_2.4)(64bit) is needed by libxml2-2.7.2-1.x86_64
        libdl.so.2()(64bit) is needed by libxml2-2.7.2-1.x86_64
        libdl.so.2(GLIBC_2.2.5)(64bit) is needed by libxml2-2.7.2-1.x86_64
        libm.so.6()(64bit) is needed by libxml2-2.7.2-1.x86_64
        libm.so.6(GLIBC_2.2.5)(64bit) is needed by libxml2-2.7.2-1.x86_64
        libz.so.1()(64bit) is needed by libxml2-2.7.2-1.x86_64
        rtld(GNU_HASH) is needed by libxml2-2.7.2-1.x86_64
        libxml2.so.2 is needed by (installed) setools-2.3-4.i386
        libxml2.so.2 is needed by (installed) libxslt-1.1.11-1.i386
        libxml2.so.2 is needed by (installed) libxml2-python-2.6.16-10.i386
        libxml2.so.2 is needed by (installed) xmlsec1-1.2.6-3.i386
        libxml2.so.2 is needed by (installed) xmlsec1-openssl-1.2.6-3.i386
        libxml2.so.2 is needed by (installed) libbonobo-2.8.0-2.i386
        libxml2.so.2 is needed by (installed) alchemist-1.0.34-1.i386
        libxml2.so.2 is needed by (installed) shared-mime-info-0.15-10.1.el4.i386
        libxml2.so.2 is needed by (installed) GConf2-2.8.1-1.el4.i386
        libxml2.so.2 is needed by (installed) libglade2-2.4.0-5.i386
        libxml2.so.2 is needed by (installed) libgnomecanvas-2.8.0-1.i386
        libxml2.so.2 is needed by (installed) pygtk2-libglade-2.4.0-2.el4.i386
        libxml2.so.2 is needed by (installed) gnome-vfs2-2.8.2-8.6.EL4.i386
        libxml2.so.2 is needed by (installed) libbonoboui-2.8.0.99cvs20040929-2.i386
        libxml2.so.2 is needed by (installed) libgnomeui-2.8.0-1.i386
        libxml2.so.2 is needed by (installed) gnome-python2-2.6.0-3.i386
        libxml2.so.2 is needed by (installed) gnome-python2-bonobo-2.6.0-3.i386
        libxml2.so.2 is needed by (installed) Omni-0.9.1-7.1.i386
        libxml2.so.2 is needed by (installed) foomatic-3.0.2-3.1.i386
        libxml2.so.2 is needed by (installed) gstreamer-0.8.7-4.EL.0.i386
        libxml2.so.2 is needed by (installed) libcroco-0.6.0-4.i386
        libxml2.so.2 is needed by (installed) libsoup-2.2.1-4.i386
        libxml2.so.2 is needed by (installed) scrollkeeper-0.3.14-3.i386
        libxml2.so.2 is needed by (installed) libwmf-0.2.8.3-5.7.i386
        libxml2.so.2 is needed by (installed) gstreamer-plugins-0.8.5-1.EL.1.i386
        libxml2.so.2 is needed by (installed) gtkhtml2-2.6.2-1.i386
        libxml2.so.2 is needed by (installed) firefox-1.5.0.12-0.3.el4.i386
        libxml2.so.2 is needed by (installed) ggv-2.8.0-1.i386
        libxml2.so.2 is needed by (installed) gnome-desktop-2.8.0-5.i386
        libxml2.so.2 is needed by (installed) gnome-python2-gtkhtml2-2.6.0-3.i386
        libxml2.so.2 is needed by (installed) krb5-auth-dialog-0.2-1.i386
        libxml2.so.2 is needed by (installed) libgsf-1.10.1-2.i386
        libxml2.so.2 is needed by (installed) evolution-data-server-1.0.2-14.el4.i386
        libxml2.so.2 is needed by (installed) gnome-panel-2.8.1-8.el4.i386
        libxml2.so.2 is needed by (installed) gnome-pilot-2.0.12-4.i386
        libxml2.so.2 is needed by (installed) usermode-gtk-1.74-2.i386
        libxml2.so.2 is needed by (installed) rhn-applet-2.1.25-22.i386
        libxml2.so.2 is needed by (installed) libgnomeprint22-2.8.0-3.i386
        libxml2.so.2 is needed by (installed) libgnomeprintui22-2.8.0-1.i386
        libxml2.so.2 is needed by (installed) gpdf-2.8.2-7.7.1.i386
        libxml2.so.2 is needed by (installed) librsvg2-2.8.1-1.el4.1.i386
        libxml2.so.2 is needed by (installed) eel2-2.8.1-2.i386
        libxml2.so.2 is needed by (installed) gdm-2.6.0.5-7.rhel4.15.i386
        libxml2.so.2 is needed by (installed) kdelibs-3.3.1-9.el4.i386
        libxml2.so.2 is needed by (installed) libxklavier-1.02-3.i386
        libxml2.so.2 is needed by (installed) gnome-kerberos-0.3.3-1.i386
        libxml2.so.2 is needed by (installed) xscreensaver-4.18-5.rhel4.14.i386
        libxml2.so.2 is needed by (installed) file-roller-2.8.1-1.i386
        libxml2.so.2 is needed by (installed) gconf-editor-2.8.0-2.i386
        libxml2.so.2 is needed by (installed) gnome-keyring-manager-0.0.3-1.i386
        libxml2.so.2 is needed by (installed) gnome-media-2.8.0-3.i386
        libxml2.so.2 is needed by (installed) gnome-netstatus-2.8.0-3.i386
        libxml2.so.2 is needed by (installed) gnome-applets-2.8.0-9.el4.i386
        libxml2.so.2 is needed by (installed) gnome-system-monitor-2.7.0-8.i386
        libxml2.so.2 is needed by (installed) gnome-terminal-2.7.3-2.i386
        libxml2.so.2 is needed by (installed) gnome-utils-2.8.0-5.i386
        libxml2.so.2 is needed by (installed) gok-0.11.8-1.i386
        libxml2.so.2 is needed by (installed) libgail-gnome-1.1.0-1.i386
        libxml2.so.2 is needed by (installed) gnopernicus-0.9.12-1.i386
        libxml2.so.2 is needed by (installed) NetworkManager-gnome-0.3.1-4.el4.i386
        libxml2.so.2 is needed by (installed) vino-2.8.1-1.i386
        libxml2.so.2 is needed by (installed) gtksourceview-1.1.0-4.i386
        libxml2.so.2 is needed by (installed) gthumb-2.4.2-7.i386
        libxml2.so.2 is needed by (installed) eog-2.8.1-2.i386
        libxml2.so.2 is needed by (installed) gedit-2.8.1-4.i386
        libxml2.so.2 is needed by (installed) nautilus-2.8.1-4.i386
        libxml2.so.2 is needed by (installed) control-center-2.8.0-12.rhel4.5.i386
        libxml2.so.2 is needed by (installed) gnome-volume-manager-1.1.0-5.i386
        libxml2.so.2 is needed by (installed) gnome-session-2.8.0-7.el4.i386
        libxml2.so.2 is needed by (installed) nautilus-cd-burner-2.8.3-6.i386
        libxml2.so.2 is needed by (installed) nautilus-media-0.8.1-3.i386
        libxml2.so.2 is needed by (installed) desktop-printing-0.17-3.EL.1.i386
        libxml2.so.2 is needed by (installed) yelp-2.6.4-2.i386
        libxml2.so.2 is needed by (installed) perl-XML-LibXML-Common-0.13-7.i386
        libxml2.so.2 is needed by (installed) perl-XML-LibXML-1.58-1.i386
        libxml2.so.2 is needed by (installed) libxml2-devel-2.6.16-10.i386
        libxml2.so.2 is needed by (installed) libbonoboui-devel-2.8.0.99cvs20040929-2.i386
        libxml2.so.2 is needed by (installed) glade2-2.6.0-1.i386
        libxml2.so.2 is needed by (installed) bug-buddy-2.8.0-3.i386
        libxml2.so.2 is needed by (installed) seamonkey-1.0.9-2.el4.i386
        libxml2.so.2 is needed by (installed) devhelp-0.10-0.8.el4.i386
        libxml2 = 2.6.16 is needed by (installed) libxml2-python-2.6.16-10.i386
        libxml2 = 2.6.16 is needed by (installed) libxml2-devel-2.6.16-10.i386

この問題をどのように解決できますか？