[oracle@redhat4 ~]$ sqlplus / as sysdba@orcl

SQL*Plus: Release 11.2.0.1.0 Production on Tue Oct 6 21:14:51 2015

Copyright (c) 1982, 2009, Oracle.  All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> exit;
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@redhat4 ~]$ sqlplus / as sysdba@ora11g

SQL*Plus: Release 11.2.0.1.0 Production on Tue Oct 6 21:15:27 2015

Copyright (c) 1982, 2009, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> shutdown immediate;
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux-x86_64 Error: 2: No such file or directory

[oracle@redhat4 ~]$ ps -ef|grep ora
oracle    2825     1  0 16:26 ?        00:00:00 ora_pmon_orcl
oracle    2827     1  0 16:26 ?        00:00:00 ora_vktm_orcl
oracle    2831     1  0 16:26 ?        00:00:00 ora_gen0_orcl
oracle    2833     1  0 16:26 ?        00:00:00 ora_diag_orcl
oracle    2835     1  0 16:26 ?        00:00:00 ora_dbrm_orcl
oracle    2837     1  0 16:26 ?        00:00:00 ora_psp0_orcl
oracle    2839     1  0 16:26 ?        00:00:06 ora_dia0_orcl
oracle    2841     1  0 16:26 ?        00:00:00 ora_mman_orcl
oracle    2843     1  0 16:26 ?        00:00:01 ora_dbw0_orcl
oracle    2845     1  0 16:26 ?        00:00:03 ora_lgwr_orcl
oracle    2847     1  0 16:26 ?        00:00:04 ora_ckpt_orcl
oracle    2849     1  0 16:26 ?        00:00:01 ora_smon_orcl
oracle    2851     1  0 16:26 ?        00:00:00 ora_reco_orcl
oracle    2853     1  0 16:26 ?        00:00:01 ora_mmon_orcl
oracle    2855     1  0 16:26 ?        00:00:01 ora_mmnl_orcl
oracle    2857     1  0 16:26 ?        00:00:00 ora_d000_orcl
oracle    2859     1  0 16:26 ?        00:00:00 ora_s000_orcl
oracle    2906     1  0 16:26 ?        00:00:00 ora_qmnc_orcl
oracle    2920     1  0 16:26 ?        00:00:02 ora_cjq0_orcl
oracle    3039     1  0 16:27 ?        00:00:00 ora_q000_orcl
oracle    3041     1  0 16:27 ?        00:00:00 ora_q001_orcl
oracle    3043     1  0 16:27 ?        00:00:00 ora_smco_orcl
root      6098  6016  0 19:41 pts/1    00:00:00 su - oracle
oracle    6099  6098  0 19:41 pts/1    00:00:00 -bash
oracle    9920     1  0 16:28 ?        00:00:01 /u01/app/oracle/product/11.2.0/dbhome_1/perl/bin/perl /u01/app/oracle/product/11.2.0/dbhome_1/bin/emwd.pl dbconsole /u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_orcl/sysman/log/emdb.nohup
oracle    9936  9920  0 16:28 ?        00:00:56 /u01/app/oracle/product/11.2.0/dbhome_1/jdk/bin/java -server -Xmx384M -XX:MaxPermSize=400M -XX:MinHeapFreeRatio=20 -XX:MaxHeapFreeRatio=40 -DORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1 -Doracle.home=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j -Doracle.oc4j.localhome=/u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_orcl/sysman -DEMSTATE=/u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_orcl -Doracle.j2ee.dont.use.memory.archive=true -Djava.protocol.handler.pkgs=HTTPClient -Doracle.security.jazn.config=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_redhat4.7_orcl/config/jazn.xml -Djava.security.policy=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_redhat4.7_orcl/config/java2.policy -Djavax.net.ssl.KeyStore=/u01/app/oracle/product/11.2.0/dbhome_1/sysman/config/OCMTrustedCerts.txt-Djava.security.properties=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/home/config/jazn.security.props -DEMDROOT=/u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_orcl -Dsysman.md5password=true -Drepapi.oracle.home=/u01/app/oracle/product/11.2.0/dbhome_1 -Ddisable.checkForUpdate=true -Doracle.sysman.ccr.ocmSDK.websvc.keystore=/u01/app/oracle/product/11.2.0/dbhome_1/jlib/emocmclnt.ks -Dice.pilots.html4.ignoreNonGenericFonts=true -Djava.awt.headless=true -jar /u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/home/oc4j.jar -config /u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_redhat4.7_orcl/config/server.xml
oracle    9961  9920  0 16:28 ?        00:00:11 /u01/app/oracle/product/11.2.0/dbhome_1/bin/emagent
oracle    9979     1  0 16:28 ?        00:00:06 oracleorcl (LOCAL=NO)
oracle   10012     1  0 16:28 ?        00:00:03 oracleorcl (LOCAL=NO)
oracle   10296     1  0 16:28 ?        00:00:01 oracleorcl (LOCAL=NO)
oracle   10405     1  0 16:28 ?        00:00:06 oracleorcl (LOCAL=NO)
oracle   10421     1  0 16:28 ?        00:00:09 oracleorcl (LOCAL=NO)
oracle   10498     1  0 16:28 ?        00:00:03 oracleorcl (LOCAL=NO)
oracle   10502     1  0 16:28 ?        00:00:02 oracleorcl (LOCAL=NO)
oracle   10517     1  0 16:28 ?        00:00:01 oracleorcl (LOCAL=NO)
oracle   10519     1  0 16:28 ?        00:00:01 oracleorcl (LOCAL=NO)
oracle   17404     1  0 20:55 ?        00:00:00 oracleorcl (LOCAL=NO)
oracle   17690     1  0 20:57 ?        00:00:00 ora_w000_orcl
root     18494 18450  0 21:00 pts/2    00:00:00 su - oracle
oracle   18495 18494  0 21:00 pts/2    00:00:00 -bash
oracle   20346     1  0 21:13 ?        00:00:00 /u01/app/oracle/product/11.2.0/dbhome_1/bin/tnslsnr LISTENER -inherit
oracle   20680 22623 13 21:16 ?        00:00:12 /u01/app/oracle/product/11.2.0/dbhome_1/jdk/bin/java -server -Xmx384M -XX:MaxPermSize=400M -XX:MinHeapFreeRatio=20 -XX:MaxHeapFreeRatio=40 -DORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1 -Doracle.home=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j -Doracle.oc4j.localhome=/u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_ora11g/sysman -DEMSTATE=/u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_ora11g -Doracle.j2ee.dont.use.memory.archive=true -Djava.protocol.handler.pkgs=HTTPClient -Doracle.security.jazn.config=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_redhat4.7_ora11g/config/jazn.xml -Djava.security.policy=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_redhat4.7_ora11g/config/java2.policy -Djavax.net.ssl.KeyStore=/u01/app/oracle/product/11.2.0/dbhome_1/sysman/config/OCMTrustedCerts.txt-Djava.security.properties=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/home/config/jazn.security.props -DEMDROOT=/u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_ora11g -Dsysman.md5password=true -Drepapi.oracle.home=/u01/app/oracle/product/11.2.0/dbhome_1 -Ddisable.checkForUpdate=true -Doracle.sysman.ccr.ocmSDK.websvc.keystore=/u01/app/oracle/product/11.2.0/dbhome_1/jlib/emocmclnt.ks -Dice.pilots.html4.ignoreNonGenericFonts=true -Djava.awt.headless=true -jar /u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/home/oc4j.jar -config /u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_redhat4.7_ora11g/config/server.xml
oracle   20809     1  0 21:17 ?        00:00:00 ora_j000_orcl
oracle   20811     1  0 21:17 ?        00:00:00 ora_j001_orcl
oracle   20897  6099  0 21:17 pts/1    00:00:00 ps -ef
oracle   20898  6099  0 21:17 pts/1    00:00:00 grep ora
oracle   22623     1  0 17:36 ?        00:00:01 /u01/app/oracle/product/11.2.0/dbhome_1/perl/bin/perl /u01/app/oracle/product/11.2.0/dbhome_1/bin/emwd.pl dbconsole /u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_ora11g/sysman/log/emdb.nohup
oracle   22664 22623  0 17:37 ?        00:00:09 /u01/app/oracle/product/11.2.0/dbhome_1/bin/emagent
oracle   29691     1  0 18:28 ?        00:00:00 oracleorcl (LOCAL=NO)
----------------------------------------------------------------------

[oracle@redhat4 ~]$ export ORACLE_SID=orcl
[oracle@redhat4 ~]$ sqlplus / as sysdba@orcl

SQL*Plus: Release 11.2.0.1.0 Production on Tue Oct 6 21:27:05 2015

Copyright (c) 1982, 2009, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> startup;
ORACLE instance started.

Total System Global Area  534462464 bytes
Fixed Size                  2215064 bytes
Variable Size             180355944 bytes
Database Buffers          348127232 bytes
Redo Buffers                3764224 bytes
Database mounted.
Database opened.

[oracle@redhat4 ~]$ export ORACLE_SID=ora11g
[oracle@redhat4 ~]$ sqlplus / as sysdba@orcl

SQL*Plus: Release 11.2.0.1.0 Production on Tue Oct 6 21:27:05 2015

Copyright (c) 1982, 2009, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> startup;
ORACLE instance started.

Total System Global Area  534462464 bytes
Fixed Size                  2215064 bytes
Variable Size             180355944 bytes
Database Buffers          348127232 bytes
Redo Buffers                3764224 bytes
Database mounted.
Database opened.

==========================================

Start All Instance: orcl | ora11g and search service status [ora].

[oracle@redhat4 ~]$ ps -ef|grep ora
root      6098  6016  0 19:41 pts/1    00:00:00 su - oracle
oracle    6099  6098  0 19:41 pts/1    00:00:00 -bash
oracle    9920     1  0 16:28 ?        00:00:01 /u01/app/oracle/product/11.2.0/dbhome_1/perl/bin/perl /u01/app/oracle/product/11.2.0/dbhome_1/bin/emwd.pl dbconsole /u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_orcl/sysman/log/emdb.nohup
oracle    9961  9920  0 16:28 ?        00:00:12 /u01/app/oracle/product/11.2.0/dbhome_1/bin/emagent
root     18494 18450  0 21:00 pts/2    00:00:00 su - oracle
oracle   18495 18494  0 21:00 pts/2    00:00:00 -bash
oracle   20346     1  0 21:13 ?        00:00:00 /u01/app/oracle/product/11.2.0/dbhome_1/bin/tnslsnr LISTENER -inherit
oracle   20680 22623  2 21:16 ?        00:00:22 /u01/app/oracle/product/11.2.0/dbhome_1/jdk/bin/java -server -Xmx384M -XX:MaxPermSize=400M -XX:MinHeapFreeRatio=20 -XX:MaxHeapFreeRatio=40 -DORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1 -Doracle.home=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j -Doracle.oc4j.localhome=/u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_ora11g/sysman -DEMSTATE=/u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_ora11g -Doracle.j2ee.dont.use.memory.archive=true -Djava.protocol.handler.pkgs=HTTPClient -Doracle.security.jazn.config=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_redhat4.7_ora11g/config/jazn.xml -Djava.security.policy=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_redhat4.7_ora11g/config/java2.policy -Djavax.net.ssl.KeyStore=/u01/app/oracle/product/11.2.0/dbhome_1/sysman/config/OCMTrustedCerts.txt-Djava.security.properties=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/home/config/jazn.security.props -DEMDROOT=/u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_ora11g -Dsysman.md5password=true -Drepapi.oracle.home=/u01/app/oracle/product/11.2.0/dbhome_1 -Ddisable.checkForUpdate=true -Doracle.sysman.ccr.ocmSDK.websvc.keystore=/u01/app/oracle/product/11.2.0/dbhome_1/jlib/emocmclnt.ks -Dice.pilots.html4.ignoreNonGenericFonts=true -Djava.awt.headless=true -jar /u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/home/oc4j.jar -config /u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_redhat4.7_ora11g/config/server.xml
oracle   21213  9920  3 21:21 ?        00:00:18 /u01/app/oracle/product/11.2.0/dbhome_1/jdk/bin/java -server -Xmx384M -XX:MaxPermSize=400M -XX:MinHeapFreeRatio=20 -XX:MaxHeapFreeRatio=40 -DORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1 -Doracle.home=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j -Doracle.oc4j.localhome=/u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_orcl/sysman -DEMSTATE=/u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_orcl -Doracle.j2ee.dont.use.memory.archive=true -Djava.protocol.handler.pkgs=HTTPClient -Doracle.security.jazn.config=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_redhat4.7_orcl/config/jazn.xml -Djava.security.policy=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_redhat4.7_orcl/config/java2.policy -Djavax.net.ssl.KeyStore=/u01/app/oracle/product/11.2.0/dbhome_1/sysman/config/OCMTrustedCerts.txt-Djava.security.properties=/u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/home/config/jazn.security.props -DEMDROOT=/u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_orcl -Dsysman.md5password=true -Drepapi.oracle.home=/u01/app/oracle/product/11.2.0/dbhome_1 -Ddisable.checkForUpdate=true -Doracle.sysman.ccr.ocmSDK.websvc.keystore=/u01/app/oracle/product/11.2.0/dbhome_1/jlib/emocmclnt.ks -Dice.pilots.html4.ignoreNonGenericFonts=true -Djava.awt.headless=true -jar /u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/home/oc4j.jar -config /u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_redhat4.7_orcl/config/server.xml
oracle   21896     1  0 21:27 ?        00:00:00 ora_pmon_ora11g
oracle   21898     1  0 21:27 ?        00:00:00 ora_vktm_ora11g
oracle   21902     1  0 21:27 ?        00:00:00 ora_gen0_ora11g
oracle   21904     1  0 21:27 ?        00:00:00 ora_diag_ora11g
oracle   21906     1  0 21:27 ?        00:00:00 ora_dbrm_ora11g
oracle   21908     1  0 21:27 ?        00:00:00 ora_psp0_ora11g
oracle   21910     1  0 21:27 ?        00:00:00 ora_dia0_ora11g
oracle   21912     1  0 21:27 ?        00:00:00 ora_mman_ora11g
oracle   21914     1  0 21:27 ?        00:00:00 ora_dbw0_ora11g
oracle   21916     1  0 21:27 ?        00:00:00 ora_lgwr_ora11g
oracle   21918     1  0 21:27 ?        00:00:00 ora_ckpt_ora11g
oracle   21920     1  0 21:27 ?        00:00:00 ora_smon_ora11g
oracle   21922     1  0 21:27 ?        00:00:00 ora_reco_ora11g
oracle   21924     1  0 21:27 ?        00:00:00 ora_mmon_ora11g
oracle   21926     1  0 21:27 ?        00:00:00 ora_mmnl_ora11g
oracle   21928     1  0 21:27 ?        00:00:00 ora_d000_ora11g
oracle   21930     1  0 21:27 ?        00:00:00 ora_s000_ora11g
oracle   21950     1  0 21:27 ?        00:00:00 ora_qmnc_ora11g
oracle   21976     1  0 21:27 ?        00:00:00 ora_cjq0_ora11g
oracle   21990     1  0 21:27 ?        00:00:00 oracleora11g (LOCAL=NO)
oracle   21993     1  1 21:27 ?        00:00:03 oracleora11g (LOCAL=NO)
oracle   22003     1  0 21:27 ?        00:00:00 ora_q000_ora11g
oracle   22005     1  0 21:27 ?        00:00:00 ora_q001_ora11g
oracle   22019     1  1 21:27 ?        00:00:02 oracleora11g (LOCAL=NO)
oracle   22034     1  0 21:27 ?        00:00:00 oracleora11g (LOCAL=NO)
oracle   22236     1  0 21:27 ?        00:00:00 oracleora11g (LOCAL=NO)
oracle   22267     1  0 21:28 ?        00:00:00 oracleora11g (LOCAL=NO)
oracle   22376     1  0 21:28 ?        00:00:00 oracleora11g (LOCAL=NO)
oracle   22406 22664  0 21:28 ?        00:00:00 [perl] <defunct>
oracle   22412     1  0 21:28 ?        00:00:00 oracleora11g (LOCAL=NO)
oracle   22487     1  0 21:29 ?        00:00:00 oracleora11g (LOCAL=NO)
oracle   22489     1  0 21:29 ?        00:00:00 oracleora11g (LOCAL=NO)
oracle   22495     1  0 21:29 ?        00:00:00 oracleora11g (LOCAL=NO)
oracle   22497     1  0 21:29 ?        00:00:00 oracleora11g (LOCAL=NO)
oracle   22563     1  0 21:29 ?        00:00:00 ora_pmon_orcl
oracle   22565     1  0 21:29 ?        00:00:00 ora_vktm_orcl
oracle   22569     1  0 21:29 ?        00:00:00 ora_gen0_orcl
oracle   22571     1  0 21:29 ?        00:00:00 ora_diag_orcl
oracle   22573     1  0 21:29 ?        00:00:00 ora_dbrm_orcl
oracle   22575     1  0 21:29 ?        00:00:00 ora_psp0_orcl
oracle   22577     1  0 21:29 ?        00:00:00 ora_dia0_orcl
oracle   22579     1  0 21:29 ?        00:00:00 ora_mman_orcl
oracle   22581     1  0 21:29 ?        00:00:00 ora_dbw0_orcl
oracle   22583     1  0 21:29 ?        00:00:00 ora_lgwr_orcl
oracle   22585     1  0 21:29 ?        00:00:00 ora_ckpt_orcl
oracle   22587     1  0 21:29 ?        00:00:00 ora_smon_orcl
oracle   22589     1  0 21:29 ?        00:00:00 ora_reco_orcl
oracle   22591     1  0 21:29 ?        00:00:00 ora_mmon_orcl
oracle   22593     1  0 21:29 ?        00:00:00 ora_mmnl_orcl
oracle   22595     1  0 21:29 ?        00:00:00 ora_d000_orcl
oracle   22597     1  0 21:29 ?        00:00:00 ora_s000_orcl
oracle   22623     1  0 17:36 ?        00:00:01 /u01/app/oracle/product/11.2.0/dbhome_1/perl/bin/perl /u01/app/oracle/product/11.2.0/dbhome_1/bin/emwd.pl dbconsole /u01/app/oracle/product/11.2.0/dbhome_1/redhat4.7_ora11g/sysman/log/emdb.nohup
oracle   22652     1  0 21:29 ?        00:00:00 ora_qmnc_orcl
oracle   22664 22623  0 17:37 ?        00:00:10 /u01/app/oracle/product/11.2.0/dbhome_1/bin/emagent
oracle   22678     1  0 21:29 ?        00:00:00 oracleorcl (LOCAL=NO)
oracle   22683     1  0 21:29 ?        00:00:00 ora_cjq0_orcl
oracle   22688     1  2 21:29 ?        00:00:01 oracleorcl (LOCAL=NO)
oracle   22690     1  0 21:29 ?        00:00:00 ora_q000_orcl
oracle   22692     1  0 21:29 ?        00:00:00 ora_q001_orcl
oracle   22694     1  0 21:29 ?        00:00:00 ora_q002_orcl
oracle   22726     1  0 21:29 ?        00:00:00 oracleora11g (LOCAL=NO)
oracle   22730     1  0 21:29 ?        00:00:00 oracleorcl (LOCAL=NO)
oracle   22732     1  0 21:29 ?        00:00:00 oracleorcl (LOCAL=NO)
oracle   22734     1  0 21:29 ?        00:00:00 oracleorcl (LOCAL=NO)
oracle   22736     1  0 21:29 ?        00:00:00 oracleorcl (LOCAL=NO)
oracle   22802     1  0 21:29 ?        00:00:00 oracleorcl (LOCAL=NO)
oracle   22804     1  0 21:29 ?        00:00:00 oracleorcl (LOCAL=NO)
oracle   22845     1  0 21:30 ?        00:00:00 ora_j000_orcl
oracle   22847     1  4 21:30 ?        00:00:00 ora_j001_orcl
oracle   22859  6099  0 21:30 pts/1    00:00:00 ps -ef
oracle   22860  6099  0 21:30 pts/1    00:00:00 grep ora

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