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993564 wrote:Please cite the quotation from the official Installation Guide (found [url http://docs.oracle.com/cd/E11882_01/install.112/e24321/toc.htm]here) that states that Ubuntu is a supported platform.
I am intalled the Oracle database have followed this steps link .
1.Downloaded 11g express editionEdited by: EdStevens on Mar 13, 2013 7:08 AM
2.Created a new user 'oracle' under the group dba. Following steps are executed using this.
3.unzip oracle-xe-11.2.0-1.0.x86_64.rpm.zip and then Converted the rpm to the Ubuntu package
sudo alien --scripts -d oracle-xe-11.2.0-1.0.x86_64.rpm
4.Created /sbin/chkconfig file and added the entries as specified here
5.Created /etc/sysctl.d/60-oracle.conf and added the entries as specified in same link as above.
ln -s /usr/bin/awk /bin/awk
7.sudo dpkg --install oracle-xe_11.2.0-2_amd64.deb (.deb generated in step 3)
8.sudo /etc/init.d/oracle-xe configure (left the default values as it is)
9.Set the following env variables in ~/.bashrc file
chown -R oracle:dba /var/tmp/.oracle
chmod -R 755 /var/tmp/.oracle
chown -R oracle:dba /tmp/.oracle
chmod -R 755 /tmp/.oracle
11.sudo service oracle-xe start (I didn't see any issues in this step)
12 . sqlplus / as sysdba and got the following
SQL*Plus: Release 126.96.36.199.0 Production on Thu Jan 3 09:41:58 2013
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Connected to an idle instance.
Now when exectute any SQL statements on SQLplus, i end up with the following error
SQL> select * from dual;
select * from dual
ERROR at line 1:
ORA-01034: ORACLE not available
Process ID: 0
Session ID: 0 Serial number: 0
I have increased the swap memory as specified in [here |http://meandmyubuntulinux.blogspot.in/2011/09/installing-1-gb-swap-without.html]
total used free shared buffers cached
Mem: 3901 3428 473 0 182 1988
-/+ buffers/cache: 1258 2643
Swap: 5066 0 5066
[url https://forums.oracle.com/forums/thread.jspa?threadID=2511076&tstart=0]duplicate post