Peut-être une piste en effet.
Pour info voici le détail de tout ce qui était dans /var/log/apt/history.log avant que je prenne la main sur le système.
Start-Date: 2013-07-23 07:14:44
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install locales
Install: locales:i386 (2.13-38)
End-Date: 2013-07-23 07:14:49
Start-Date: 2013-07-23 09:14:53
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install busybox
Install: busybox:i386 (1.20.0-7)
End-Date: 2013-07-23 09:14:55
Start-Date: 2013-07-23 09:14:57
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install initramfs-tools
Install: libklibc:i386 (2.0.1-3.1, automatic), klibc-utils:i386 (2.0.1-3.1, automatic), initramfs-tools:i386 (0.109.1)
End-Date: 2013-07-23 09:15:01
Start-Date: 2013-07-23 09:15:05
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install linux-image-686-pae
Install: linux-image-3.2.0-4-686-pae:i386 (3.2.46-1, automatic), linux-base:i386 (3.5, automatic), libuuid-perl:i386 (0.02-5, automatic), linux-image-686-pae:i386 (3.2+46)
End-Date: 2013-07-23 09:15:21
Start-Date: 2013-07-23 09:15:23
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install pciutils
Install: libpci3:i386 (3.1.9-6, automatic), pciutils:i386 (3.1.9-6)
End-Date: 2013-07-23 09:15:27
Start-Date: 2013-07-23 09:15:29
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install usbutils
Install: libusb-1.0-0:i386 (1.0.11-1, automatic), usbutils:i386 (005-3)
End-Date: 2013-07-23 09:15:33
Start-Date: 2013-07-23 09:15:36
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install acpi
Install: acpi:i386 (1.6-1)
End-Date: 2013-07-23 09:15:38
Start-Date: 2013-07-23 09:15:41
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install acpid
Install: module-init-tools:i386 (9-3, automatic), acpid:i386 (2.0.16-1+deb7u1)
End-Date: 2013-07-23 09:15:44
Start-Date: 2013-07-23 09:15:46
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install acpi-support-base
Install: acpi-support-base:i386 (0.140-5)
End-Date: 2013-07-23 09:15:48
Start-Date: 2013-07-23 09:15:51
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install libc6-i686
Install: libc6-i686:i386 (2.13-38)
End-Date: 2013-07-23 09:15:53
Start-Date: 2013-07-23 09:15:55
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install openssh-server
Install: libkeyutils1:i386 (1.5.5-3, automatic), libedit2:i386 (2.11-20080614-5, automatic), libkrb5-3:i386 (1.10.1+dfsg-5, automatic), libkrb5support0:i386 (1.10.1+dfsg-5, automatic), libwrap0:i386 (7.6.q-24, automatic), libbsd0:i386 (0.4.2-1, automatic), libk5crypto3:i386 (1.10.1+dfsg-5, automatic), openssh-client:i386 (6.0p1-4, automatic), libgssapi-krb5-2:i386 (1.10.1+dfsg-5, automatic), openssh-server:i386 (6.0p1-4)
End-Date: 2013-07-23 09:16:10
Start-Date: 2013-07-23 09:16:37
Upgrade: libkrb5-3:i386 (1.10.1+dfsg-5, 1.10.1+dfsg-5+deb7u1), libkrb5support0:i386 (1.10.1+dfsg-5, 1.10.1+dfsg-5+deb7u1), libk5crypto3:i386 (1.10.1+dfsg-5, 1.10.1+dfsg-5+deb7u1), libgssapi-krb5-2:i386 (1.10.1+dfsg-5, 1.10.1+dfsg-5+deb7u1)
End-Date: 2013-07-23 09:16:43
Start-Date: 2013-07-23 09:16:45
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install laptop-detect
Install: laptop-detect:i386 (0.13.7)
End-Date: 2013-07-23 09:16:47
Start-Date: 2013-07-23 09:16:50
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install discover
Install: libdiscover2:i386 (2.1.2-5.2, automatic), discover:i386 (2.1.2-5.2), libexpat1:i386 (2.1.0-1, automatic), discover-data:i386 (2.2010.10.18, automatic)
End-Date: 2013-07-23 09:16:56
Start-Date: 2013-07-23 09:16:59
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove -o APT::Install-Recommends=false install installation-report
Install: installation-report:i386 (2.49)
End-Date: 2013-07-23 09:17:01
Start-Date: 2013-07-23 09:17:03
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove -o APT::Install-Recommends=false install popularity-contest
Install: popularity-contest:i386 (1.56)
End-Date: 2013-07-23 09:17:06
Start-Date: 2013-07-23 09:17:22
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y -o APT::Install-Recommends=true -o APT::Get::AutomaticRemove=true install task-english whois python2.6-minimal mlocate m4 mime-support file exim4-base w3m libswitch-perl less dnsutils bsd-mailx apt-listchanges rpcbind doc-debian procmail dc perl-modules python-support bind9-host liblockfile-bin db5.1-util mutt patch nfs-common exim4-config reportbug texinfo python2.7 time exim4 python-minimal debian-faq krb5-locales ucf libclass-isa-perl ftp lsof wamerican bash-completion gettext-base at bc python-reportbug python host perl exim4-daemon-light ncurses-term bzip2 telnet python-apt
Install: dmsetup:i386 (1.02.74-7, automatic), ispell:i386 (3.3.02-6, automatic), ibritish:i386 (3.3.02-6, automatic), wamerican:i386 (7.1-1), bzip2:i386 (1.0.6-4), mlocate:i386 (0.23.1-1), libpth20:i386 (2.0.7-16, automatic), python-support:i386 (1.0.15), python2.6-minimal:i386 (2.6.8-1.1), exim4-config:i386 (4.80-7), libnfsidmap2:i386 (0.25-4, automatic), bind9-host:i386 (9.8.4.dfsg.P1-6+nmu2), mime-support:i386 (3.52-1), telnet:i386 (0.17-36), python-debian:i386 (0.1.21, automatic), lsof:i386 (4.86+dfsg-1), iso-codes:i386 (3.41-1, automatic), libclass-isa-perl:i386 (0.36-3), bash-completion:i386 (2.0-1), task-english:i386 (3.14.1), krb5-locales:i386 (1.10.1+dfsg-5+deb7u1), dnsutils:i386 (9.8.4.dfsg.P1-6+nmu2), libswitch-perl:i386 (2.16-2), exim4-daemon-light:i386 (4.80-7), perl:i386 (5.14.2-21), libcap2:i386 (2.22-1.2, automatic), mutt:i386 (1.5.21-6.2), reportbug:i386 (6.4.4), libsasl2-modules:i386 (2.1.25.dfsg1-6+deb7u1, automatic), bc:i386 (1.06.95-2), m4:i386 (1.4.16-3), doc-debian:i386 (6.1), dc:i386 (1.06.95-2), at:i386 (3.1.13-2), libdns88:i386 (9.8.4.dfsg.P1-6+nmu2, automatic), ienglish-common:i386 (3.3.02-6, automatic), ncurses-term:i386 (5.9-10), libpcre3:i386 (8.30-5, automatic), python-apt:i386 (0.8.8.2), whois:i386 (5.0.23), libasprintf0c2:i386 (0.18.1.1-9, automatic), libevent-2.0-5:i386 (2.0.19-stable-3, automatic), psmisc:i386 (22.19-1+deb7u1, automatic), xml-core:i386 (0.13+nmu2, automatic), python2.6:i386 (2.6.8-1.1, automatic), python2.7:i386 (2.7.3-6), python-minimal:i386 (2.7.3-4), libisccc80:i386 (9.8.4.dfsg.P1-6+nmu2, automatic), libdevmapper1.02.1:i386 (1.02.74-7, automatic), geoip-database:i386 (20130213-1, automatic), util-linux-locales:i386 (2.20.1-5.3, automatic), libtokyocabinet9:i386 (1.4.47-2, automatic), procmail:i386 (3.22-20), python2.7-minimal:i386 (2.7.3-6, automatic), time:i386 (1.7-24), liblwres80:i386 (9.8.4.dfsg.P1-6+nmu2, automatic), python-soappy:i386 (0.12.0-4, automatic), libtirpc1:i386 (0.2.2-5, automatic), python:i386 (2.7.3-4), ftp:i386 (0.17-27), dictionaries-common:i386 (1.12.11, automatic), ca-certificates:i386 (20130119, automatic), w3m:i386 (0.5.3-8), libxml2:i386 (2.8.0+dfsg1-7+nmu1, automatic), libbind9-80:i386 (9.8.4.dfsg.P1-6+nmu2, automatic), libgpm2:i386 (1.20.4-6, automatic), debian-faq:i386 (5.0.1), file:i386 (5.11-2), liblockfile-bin:i386 (1.09-5), sgml-base:i386 (1.26+nmu4, automatic), ucf:i386 (3.0025+nmu3), gettext-base:i386 (0.18.1.1-9), perl-modules:i386 (5.14.2-21), libgeoip1:i386 (1.4.8+dfsg-3, automatic), rpcbind:i386 (0.2.0-8), libldap-2.4-2:i386 (2.4.31-1+nmu2, automatic), libisccfg82:i386 (9.8.4.dfsg.P1-6+nmu2, automatic), python-fpconst:i386 (0.7.2-5, automatic), libsasl2-2:i386 (2.1.25.dfsg1-6+deb7u1, automatic), bsd-mailx:i386 (8.1.2-0.20111106cvs-1), libgpgme11:i386 (1.2.0-1.4, automatic), exim4:i386 (4.80-7), openssl:i386 (1.0.1e-2, automatic), libgc1c2:i386 (7.1-9.1, automatic), exim4-base:i386 (4.80-7), patch:i386 (2.6.1-3), host:i386 (9.8.4.dfsg.P1-6+nmu2), python-reportbug:i386 (6.4.4), apt-listchanges:i386 (2.85.11), libisc84:i386 (9.8.4.dfsg.P1-6+nmu2, automatic), libgssglue1:i386 (0.4-2, automatic), python-chardet:i386 (2.0.1-2, automatic), iamerican:i386 (3.3.02-6, automatic), nfs-common:i386 (1.2.6-4), db5.1-util:i386 (5.1.29-5), lsb-release:i386 (4.1+Debian8+deb7u1, automatic), less:i386 (444-4), libmagic1:i386 (5.11-2, automatic), texinfo:i386 (4.13a.dfsg.1-10), python-debianbts:i386 (1.11, automatic), liblockfile1:i386 (1.09-5, automatic), python-apt-common:i386 (0.8.8.2, automatic)
End-Date: 2013-07-23 09:19:40
Start-Date: 2013-07-23 09:19:43
End-Date: 2013-07-23 09:19:43
Start-Date: 2013-07-23 09:19:48
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install grub-common
Install: libfuse2:i386 (2.9.0-2+deb7u1, automatic), os-prober:i386 (1.58, automatic), libfreetype6:i386 (2.4.9-1.1, automatic), grub-common:i386 (1.99-27+deb7u1)
End-Date: 2013-07-23 09:19:54
Start-Date: 2013-07-23 09:20:00
Commandline: apt-get -o APT::Status-Fd=4 -o APT::Keep-Fds::=5 -o APT::Keep-Fds::=6 -q -y --no-remove install grub-pc
Install: grub2-common:i386 (1.99-27+deb7u1, automatic), grub-pc:i386 (1.99-27+deb7u1), grub-pc-bin:i386 (1.99-27+deb7u1, automatic)
End-Date: 2013-07-23 09:20:07
Edit : vu que rien d’évident ne ressort j’imagine (à tord ?) que tous les outils de base sont dans un package qui les regroupe, mais alors lequel…