Comment 4 for bug 574287

Easy test, maverick, previously installed openssh-server:

sudo tasksel remove openssh-server

grep remove /var/log/dpkg.log | grep 23:11 # (just to filter to the relevant time)

2010-06-02 23:11:07 startup packages remove
2010-06-02 23:11:15 remove ubuntu-desktop 1.198 1.198
2010-06-02 23:11:16 remove gdm-guest-session 0.15 0.15
2010-06-02 23:11:16 remove gdm 2.30.2-0ubuntu1 2.30.2-0ubuntu1
2010-06-02 23:11:18 remove gnome-applets 2.30.0-1ubuntu1 2.30.0-1ubuntu1
2010-06-02 23:11:18 remove indicator-me 0.2.6-0ubuntu1 0.2.6-0ubuntu1
2010-06-02 23:11:19 remove indicator-applet-session 0.4.1-0ubuntu1 0.4.1-0ubuntu1
2010-06-02 23:11:19 remove indicator-applet 0.4.1-0ubuntu1 0.4.1-0ubuntu1
2010-06-02 23:11:19 remove gnome-session 2.30.0-0ubuntu1 2.30.0-0ubuntu1
2010-06-02 23:11:20 update-alternatives: run with --remove x-session-manager /usr/bin/gnome-session
2010-06-02 23:11:20 update-alternatives: link group x-session-manager fully removed
2010-06-02 23:11:21 remove gnome-panel 1:2.30.0-0ubuntu1 1:2.30.0-0ubuntu1
2010-06-02 23:11:22 remove gnome-control-center 1:2.30.1-0ubuntu1 1:2.30.1-0ubuntu1
2010-06-02 23:11:22 remove gnome-media 2.30.0-0ubuntu1 2.30.0-0ubuntu1
2010-06-02 23:11:23 remove gnome-orca 2.31.2-0ubuntu1 2.31.2-0ubuntu1
2010-06-02 23:11:24 remove gnome-settings-daemon 2.30.1-0ubuntu1 2.30.1-0ubuntu1
2010-06-02 23:11:25 remove gstreamer0.10-pulseaudio 0.10.23-1ubuntu1 0.10.23-1ubuntu1
2010-06-02 23:11:25 remove hpijs 3.10.2-2ubuntu2 3.10.2-2ubuntu2
2010-06-02 23:11:25 remove hplip 3.10.2-2ubuntu2 3.10.2-2ubuntu2
2010-06-02 23:11:27 remove indicator-sound 0.2.3-0ubuntu1 0.2.3-0ubuntu1
2010-06-02 23:11:28 remove pulseaudio-module-x11 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15
2010-06-02 23:11:28 remove pulseaudio-module-gconf 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15
2010-06-02 23:11:29 remove pulseaudio-module-bluetooth 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15
2010-06-02 23:11:29 remove pulseaudio-esound-compat 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15
2010-06-02 23:11:29 remove libcanberra-pulse 0.24-1ubuntu1 0.24-1ubuntu1
2010-06-02 23:11:29 remove pulseaudio 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15
2010-06-02 23:11:30 remove libasound2-plugins 1.0.23-0ubuntu1 1.0.23-0ubuntu1
2010-06-02 23:11:30 remove libhpmud0 3.10.2-2ubuntu2 3.10.2-2ubuntu2
2010-06-02 23:11:31 remove pulseaudio-utils 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15
2010-06-02 23:11:31 remove libpulse-browse0 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15
2010-06-02 23:11:31 remove libpulse-mainloop-glib0 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15
2010-06-02 23:11:32 remove libsdl1.2debian 1.2.14-4ubuntu1 1.2.14-4ubuntu1
2010-06-02 23:11:32 remove libsdl1.2debian-pulseaudio 1.2.14-4ubuntu1 1.2.14-4ubuntu1
2010-06-02 23:11:32 remove python-speechd 0.6.8~unofficial~rc2-0ubuntu3 0.6.8~unofficial~rc2-0ubuntu3
2010-06-02 23:11:33 remove speech-dispatcher 0.6.8~unofficial~rc2-0ubuntu3 0.6.8~unofficial~rc2-0ubuntu3
2010-06-02 23:11:35 remove libpulse0 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15
2010-06-02 23:11:35 remove libsnmp15 5.4.2.1~dfsg0ubuntu1-0ubuntu2 5.4.2.1~dfsg0ubuntu1-0ubuntu2
2010-06-02 23:11:35 remove tcpd 7.6.q-19 7.6.q-19
2010-06-02 23:11:36 remove openssh-server 1:5.5p1-4ubuntu1 1:5.5p1-4ubuntu1
2010-06-02 23:11:36 remove mysql-server 5.1.47-1ubuntu1 5.1.47-1ubuntu1
2010-06-02 23:11:37 remove mysql-server-5.1 5.1.47-1ubuntu1 5.1.47-1ubuntu1
2010-06-02 23:11:41 remove mysql-server-core-5.1 5.1.47-1ubuntu1 5.1.47-1ubuntu1
2010-06-02 23:11:42 remove mysql-client 5.1.47-1ubuntu1 5.1.47-1ubuntu1
2010-06-02 23:11:42 remove mysql-client-5.1 5.1.47-1ubuntu1 5.1.47-1ubuntu1
2010-06-02 23:11:42 remove libwrap0 7.6.q-19 7.6.q-19