Start up and shut down manually Oracle 11g on ubuntu

Start up

lnrsoft@lnrsoft:$cd /home/LnRSoft/Oracle/app/lnr/product/11.1.0/db_1/bin
lnrsoft@lnrsoft:~/Oracle/app/lnr/product/11.1.0/db_1/bin$ ./lsnrctl start
Services Summary…
Service “lnr” has 1 instance(s).
Instance “lnr”, status.
The command completed successfully

lnrsoft@lnrsoft:~/Oracle/app/lnr/product/11.1.0/db_1/bin$./sqlplus / as sysdba
SQL*Plus: Release 11.1.0.6.0 – Production on Wed Oct 20 21:10:07 2010
Copyright (c) 1982, 2007, Oracle. All rights reserved.
Connected to an idle instance.
SQL>
SQL>startup;
ORACLE instance started.
Total System Global Area 841162752 bytes
Fixed Size 1303160 bytes
Variable Size 444599688 bytes
Database Buffers 390070272 bytes
Redo Buffers 5189632 bytes
Database mounted.
Database opened.
SQL> exit;

lnrsoft@lnrsoft:~/Oracle/app/lnr/product/11.1.0/db_1/bin$ ./emctl start dbconsole
Oracle Enterprise Manager 11g Database Control Release 11.1.0.6.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
https://lnr-server:1158/em/console/aboutApplication
Starting Oracle Enterprise Manager 11g Database Control ………… started.

Shut down

lnrsoft@lnrsoft:~/Oracle/app/lnr/product/11.1.0/db_1/bin$ ./emctl stop dbconsole
Stopping Oracle Enterprise Manager 11g Database Control … Stopped.
lnrsoft@lnrsoft:~/Oracle/app/lnr/product/11.1.0/db_1/bin$./sqlplus / as sysdba
SQL*Plus: Release 11.1.0.6.0 – Production on Wed Oct 20 21:58:12 2010
Copyright (c) 1982, 2007, Oracle. All rights reserved.
Connected to an idle instance.
SQL>
SQL>shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> exit;

Disconnected from Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 – Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
lnrsoft@lnrsoft:~/Oracle/app/lnr/product/11.1.0/db_1/bin$ ./lsnrctl stop

The command completed successfully