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Starting XE Database after bootup

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John from the UK recently pointed out that if you did Not choose to start up XE on bootup during

the configuration stage of following this install guide for installing XE on Debian, Kubuntu or Ubuntu . Itwas not very clear as to how you could then start up XE after rebooting.

Here is one way to get around that, there are probably more elegant workarounds but this one worked for meon kubuntu.

ttrichle@nkosi-kubuntu:~$ su -Password:root@nkosi-kubuntu:~# /etc/init.d/oracle-xe configureOracle Database 10g Express Edition is already configuredroot@nkosi-kubuntu:~#

1. Set the password for the user 'oracle' that was created during the oracle-xe installroot@nkosi-kubuntu:~# passwd oracleEnter new UNIX password:Retype new UNIX password:passwd: password updated successfully

2. Edit /etc/oratab file

root@nkosi-kubuntu:~# cat /etc/oratabXE:/usr/lib/oracle/xe/app/oracle/product/10.2.0/server:Nroot@nkosi-kubuntu:~# vi /etc/oratab-edit the oratab file and change :N to :Yroot@nkosi-kubuntu:~# cp /etc/oratab /usr/lib/oracle/xe/oratabby doing the above step you will be able to use the lisnrctl start and stop commands as user 'oracle'

3. Set Oracle environment variables for PATH, ORACLE_HOME & ORACLE_SID.root@nkosi-kubuntu:~# vi /etc/profile ...and insert the following above the export command

ORACLE_HOME=/usr/lib/oracle/xe/app/oracle/product/10.2.0/server ORACLE_SID=XEPATH=/usr/lib/oracle/xe/app/oracle/product/10.2.0/server/bin:$PATH

... and make sure you export the Oracle HOME & SIDexport ORACLE_HOME ORACLE_SID

4. Add your local user to the dba group, so that you can use the menu items generated during the oracle-xeinstall process.

5. As user oracle stop and start your listener root@nkosi-kubuntu:~# su - oracleoracle@nkosi-kubuntu:~$ pwd/usr/lib/oracle/xeoracle@nkosi-kubuntu:~$ lsnrctl stoporacle@nkosi-kubuntu:~$ lsnrctl start

6. Use the menue item to start the database (this will take a little time)

At this point you should be able to open up http://127.0.0.1:8080/apex in a browser and login in as sys withthe password you used during configuring oracle-xe

ttrichle@nkosi-kubuntu:~$ ps -ef |grep smonoracle 5484 1 0 18:20 ? 00:00:00 xe_smon_XEttrichle 5760 5527 0 18:35 pts/2 00:00:00 grep smonttrichle@nkosi-kubuntu:~$

You can also use sqlplus located here to start and stop the databaseoracle@nkosi-kubuntu:~$ cd /usr/lib/oracle/xe/app/oracle/product/10.2.0/server 

oracle@nkosi-kubuntu:~/app/oracle/product/10.2.0/server$ lsbin ctx demo jdbc ldap log nls opmn plsql rdbms sqlplusconfig dbs hs jlib lib network odbc oracore precomp slax xdk

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for more information on using sqlplus check out the sqlplus homepage on OTNhttp://www.oracle.com/technology/tech/sql_plus/index.html

hope that helps- Todd.

Please note: if you always want to start XE on bootup

edit the /etc/default/oracle-xe file and changeORACLE_DBENABLED=false to true.

ttrichle@nkosi-kubuntu:~$ su -Password:root@nkosi-kubuntu:~# cat /etc/default/oracle-xe

#This is a configuration file for automatic starting of the Oracle#Database and listener at system startup.It is generated By running#'/etc/init.d/oracle-xe configure'.Please use that method to modify this#file

# ORACLE_DBENABLED:'true' means to load the Database at system boot.

ORACLE_DBENABLED=false

# LISTENER_PORT: Database listener LISTENER_PORT=1521

# HTTP_PORT : HTTP port for Oracle Application ExpressHTTP_PORT=8080

# Configuration : Check whether configure has been done or notCONFIGURE_RUN=true

root@nkosi-kubuntu:~# vi /etc/default/oracle-xe