====== Oracle Install on Ubuntu 64-bit ======
Steps to install Oracle on the Ubuntu 64-bit server

===== Swap space =====
Oracle needs swap space of 1GB defined. Here is a [[https://help.ubuntu.com/community/SwapFaq|link]] to steps for creating it

Steps to create swap space
<code>
dd if=/dev/zero of=/mnt/5120MB.swap bs=1M count=5120
mkswap /mnt/5120MB.swap
swapon /mnt/5120MB.swap
vim /etc/fstab
add line: /mnt/5120MB.swap  none  swap  sw  0 0
</code>

===== Oracle install steps =====
<code>
apt-get update
apt-get install libc6-i386
wget "http://oss.oracle.com/debian/dists/unstable/main/binary-i386/libaio_0.3.104-1_i386.deb"
wget "http://oss.oracle.com/debian/dists/unstable/non-free/binary-i386/oracle-xe-universal_10.2.0.1-1.1_i386.deb"
dpkg -i --force-architecture libaio_0.3.104-1_i386.deb
dpkg -i --force-architecture oracle-xe-universal_10.2.0.1-1.1_i386.deb
/etc/init.d/oracle-xe configure
</code>

===== Install Configuration log =====
<code>
root@ub1:/tmp# /etc/init.d/oracle-xe configure

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 should
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 of
different passwords for each database account.  This can be done after
initial configuration:
Confirm the password:

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

Starting Oracle Net Listener...Done
Configuring 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"
</code>

===== Config files =====
  * /etc/default/oracle-xe
  * /etc/oratab

===== Post install and configure =====
edit your ~/.bashrc

<code bash>
ORACLE_HOME=/usr/lib/oracle/xe/app/oracle/product/10.2.0/server
PATH=$PATH:$ORACLE_HOME/bin
export ORACLE_HOME
export ORACLE_SID=XE
export PATH
</code>

Oracle user's home directory: /usr/lib/oracle/xe

===== Other references =====
[[http://www.oracle.com/technology/tech/linux/install/xe-on-kubuntu.html|Oracle Install]]

[[http://littlebrain.org/2008/05/12/how-to-install-oracle-xe-in-ubuntu-64-bit/|How To Install Oracle XE in Ubuntu 64 Bit]]