For anybody else who encounters this, the solution is easy (copy and paste):
sudo apt-get remove initramfs-tools -y
sudo apt-get update
sudo apt-get autoremove -y
sudo apt-get autoclean -y
> Pessoal boa tarde,
>
> Estou atualizando um servidor Debian 4.0 com kernel 2.4.27-2-386, alterei
> o
> source.list para o lenny, executei o aptitude update e aptitude
> dist-upgrade.
>
> Após acabar o download de todos os pacotes, me vem uma tela solicitando a
> atualizacao da libc6. Eu seleciono SIM como resposta e após isso tenho uma
> dezena de erros e o processo não é finalizado com sucesso.
>
> Alguém poderia me orientar como atualizar essa lib para que eu possa
> continuar com as demais atualizações?
>
> Veja abaixo, o final do download dos arquivos, logo após as mensagens de
> erros e dependências.
>
> Já tentei usar o apt-get -f install, também não deu certo e já tentei
> instalar direto o pacote do kernel 2.6, também não da certo, devido a
> dependência com a nova versão da libc6
>
> =-=-=-=-=-=-=-===-=-=-=-=-=-=-===-=-=-=-=-=-=-===-=-=-=-=-=-=-===-=-=-=-=-=-=-===-=-=-=-=-=-=-===-=-=-=-=-=-=-==
>
> Get:391 http://ftp.br.debian.org lenny/main ssh 1:5.1p1-5 [1202B]
> Fetched 194MB in 55m18s (58.6kB/s)
> Extracting templates from packages: 100%
> Preconfiguring packages ...
> (Reading database ... 56221 files and directories currently installed.)
> Preparing to replace libc6 2.3.6.ds1-13etch7 (using
> .../archives/libc6_2.7-18_i386.deb) ...
> Checking for services that may need to be restarted...
> Checking init scripts...
> WARNING: POSIX threads library NPTL requires kernel version
> 2.6.8 or later. If you use a kernel 2.4, please upgrade it
> before installing glibc.
>
> The installation of a 2.6 kernel _could_ ask you to install a new libc
> first, this is NOT a bug, and should *NOT* be reported. In that case,
> please add etch sources to your /etc/apt/sources.list and run:
> apt-get install -t etch linux-image-2.6
> Then reboot into this new kernel, and proceed with your upgrade
> dpkg: error processing /var/cache/apt/archives/libc6_2.7-18_i386.deb
> (--unpack):
> subprocess pre-installation script returned error exit status 1
> Errors were encountered while processing:
> /var/cache/apt/archives/libc6_2.7-18_i386.deb
> E: Sub-process /usr/bin/dpkg returned an error code (1)
> A package failed to install. Trying to recover:
> dpkg: dependency problems prevent configuration of libc6-dev:
> libc6-dev depends on libc6 (= 2.7-18); however:
> Version of libc6 on system is 2.3.6.ds1-13etch7.
> dpkg: error processing libc6-dev (--configure):
> dependency problems - leaving unconfigured
> dpkg: dependency problems prevent configuration of locales:
> locales depends on glibc-2.7-1; however:
> Package glibc-2.7-1 is not installed.
> dpkg: error processing locales (--configure):
> dependency problems - leaving unconfigured
> dpkg: dependency problems prevent configuration of libvolume-id0:
> libvolume-id0 depends on libc6 (>= 2.7-1); however:
> Version of libc6 on system is 2.3.6.ds1-13etch7.
> dpkg: error processing libvolume-id0 (--configure):
> dependency problems - leaving unconfigured
> dpkg: dependency problems prevent configuration of udev:
> udev depends on libc6 (>= 2.7-1); however:
> Version of libc6 on system is 2.3.6.ds1-13etch7.
> udev depends on libselinux1 (>= 2.0.59); however:
> Version of libselinux1 on system is 1.32-3.
> udev depends on libvolume-id0 (>= 0.113-1~); however:
> Package libvolume-id0 is not configured yet.
> dpkg: error processing udev (--configure):
> dependency problems - leaving unconfigured
> dpkg: dependency problems prevent configuration of binutils:
> binutils depends on libc6 (>= 2.7-1); however:
> Version of libc6 on system is 2.3.6.ds1-13etch7.
> dpkg: error processing binutils (--configure):
> dependency problems - leaving unconfigured
> dpkg: dependency problems prevent configuration of initramfs-tools:
> initramfs-tools depends on udev (>= 0.086-1); however:
> Package udev is not configured yet.
> dpkg: error processing initramfs-tools (--configure):
> dependency problems - leaving unconfigured
> dpkg: dependency problems prevent configuration of
> linux-image-2.6.26-1-486:
> linux-image-2.6.26-1-486 depends on initramfs-tools (>= 0.55) | yaird (>=
> 0.0.13) | linux-initramfs-tool; however:
> Package initramfs-tools is not configured yet.
> Package yaird is not installed.
> Package linux-initramfs-tool is not installed.
> Package initramfs-tools which provides linux-initramfs-tool is not
> configured yet.
> dpkg: error processing linux-image-2.6.26-1-486 (--configure):
> dependency problems - leaving unconfigured
> dpkg: dependency problems prevent configuration of
> linux-image-2.6.26-1-686:
> linux-image-2.6.26-1-686 depends on initramfs-tools (>= 0.55) | yaird (>=
> 0.0.13) | linux-initramfs-tool; however:
> Package initramfs-tools is not configured yet.
> Package yaird is not installed.
> Package linu
