[orausr@centos6 ~]$ emctl start dbconsole TZ set to PRC Oracle Enterprise Manager 10g Database Control Release 10.2.0.1.0 Copyright (c) 1996, 2005 Oracle Corporation. All rights reserved. http://c608:1158/em/console/aboutApplication Starting Oracle Enterprise Manager 10g Database Control .............................. started. ------------------------------------------------------------------ Logs are generated in directory /opt/oracle/10.2.1/instance0/c608_c608/sysman/log [orausr@centos6 ~]$ [orausr@centos6 ~]$ lsnrctl start LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 11-DEC-2014 14:36:50 Copyright (c) 1991, 2005, Oracle. All rights reserved. Starting /opt/oracle/10.2.1/instance0/bin/tnslsnr: please wait... TNSLSNR for Linux: Version 10.2.0.1.0 - Production System parameter file is /opt/oracle/10.2.1/instance0/network/admin/listener.ora Log messages written to /opt/oracle/10.2.1/instance0/network/log/listener.log Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1))) Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=c608)(PORT=1521))) Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1))) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 10.2.0.1.0 - Production Start Date 11-DEC-2014 14:36:52 Uptime 0 days 0 hr. 0 min. 0 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File /opt/oracle/10.2.1/instance0/network/admin/listener.ora Listener Log File /opt/oracle/10.2.1/instance0/network/log/listener.log Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1))) (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=c608)(PORT=1521))) Services Summary... Service "PLSExtProc" has 1 instance(s). Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service... The command completed successfully [orausr@centos6 ~]$ [orausr@centos6 ~]$ dbstart [orausr@centos6 ~]$ sqlplus /nolog SQL*Plus: Release 10.2.0.1.0 - Production on Thu Dec 11 14:37:56 2014 Copyright (c) 1982, 2005, Oracle. All rights reserved. SQL> conn /as sysdba Connected to an idle instance. SQL> startup ORACLE instance started. Total System Global Area 557842432 bytes Fixed Size 2022280 bytes Variable Size 163579000 bytes Database Buffers 385875968 bytes Redo Buffers 6365184 bytes Database mounted. Database opened. SQL> select * from scott.emp;