Ubuntu 12.04 Precise and how to configure for auto-login

[Sukumar Ghorai]

Hi,
I am using release Ubuntu Precise Pangolin desktop 12.04 on
OMAP4 pandaboard from the link
http://www.omappedia.com/wiki/Prebuilt_ubuntu_binaries

1. I do not use display
2. How to configure for auto-login in console ttyO2

..
[    0.000000] Kernel command line: rw vram=32M fixrtc
mem=1G at 0x80000000 root=/dev/mmcblk0p2 rootfstype=ext4
console=ttyO2,115200n8 rootwait --no-log
...
[    3.869750] Freeing init memory: 400K
modem-manager[223]: <info>  ModemManager (version 0.5.2.0) starting...

 * Starting AppArmor profiles
         Skipping profile in /etc/apparmor.d/disable: usr.bin.firefox
[   13.550964] omapdss error: operation stopped when reading edid
[   13.557922] [drm:drm_edid_block_valid] *ERROR* EDID checksum is
invalid, remainder is 46
[   13.566986] [drm:drm_edid_block_valid] *ERROR* EDID checksum is
invalid, remainder is 46
Skipping profile in /etc/apparmor.d/disable: usr.sbin.rsyslogd
                                                                         [ OK ]
speech-dispatcher disabled; edit /etc/default/speech-dispatcher
saned disabled; edit /etc/default/saned