The folder of Oracle locates at /usr/local/oracle/product/10.1.0/db_1

  1. Check if the environment ORACLE_HOME exists.

ORACLE_HOME=/usr/local/oracle/product/10.1.0/db_1

ORACLE_SID=TEST

  1. Open /usr/local/oracle/product/10.1.0/db_1/bin/dbstart

ORACLE_HOME_LISTNER=/usr/local/oracle/product/10.1.0/db_1

  1. CD  /usr/local/oracle/product/10.1.0/db_1/bin
  2. Start Oracle Listener

./lsnrctl start

The configuration file of the Listener locates at /usr/local/oracle/product/10.1.0/db_1/network/admin/listener.ora

  1. Start Oracle

./dbstart

  1. Make sure the content of /etc/oratab looks like the below:

            orcl:/usr/local/oracle/product/10.1.0/db_1:Y