How to install Oracle10g Express Edition on Ubuntu 9.04

Setp1: Download the deb package of Oracle 10 GB
Setp2: Install the downloaded deb package

sudo apt-get install libaio1
sudo apt-get install libaio-dev
sudo dpkg -i /home/xxx/download/oracle-xe-universal_10.2.0.1-1.0_i386.deb

Setp3, modify settings
Sudo/etc/init. d/oracle-xe configure
Default carriage return

Oracle Database 10g Express Edition Configuration
-------------------------------------------------
This will configure on-boot properties of Oracle Database 10g Express
Edition. The following questions will determine whether the database shocould
Be starting upon system boot, the ports it will use, and the passwords that
Will be used for database accounts. Press <Enter> to accept the defaults.
Ctrl-C will abort.

Specify the HTTP port that will be used for Oracle Application Express [8080]:

Specify a port that will be used for the database listener [1521]:

Specify a password to be used for database accounts. Note that the same
Password will be used for SYS and SYSTEM. Oracle recommends the use
Different passwords for each database account. This can be done after
Initial configuration:
Password can't be null. Enter password:
Confirm the password:

Do you want Oracle Database 10g Express Edition to be started on boot (y/n) [y]:

Starting Oracle Net Listener... Done
Processing Database...
Done
Starting Oracle Database 10g Express Edition Instance... Done
Installation Completed Successfully.
To access the Database Home Page go to "http: // 127.0.0.1: 8080/apex"