Oracle Database 12c (12.1.0.1.0) installation on OEL6.

I’m installing the Oracle Database 12c Release 1 (12.1.0.1.0) software on Oracle Linux6.  Only the software is being installed at this point, in preparation for a single database installation.

 Linux server meets the minimum hardware requirements.
  • 1GB of RAM (plus appropriately sized swap space)
  • 6.4GB of disk space for the software installation
  • 1GB of disk space for your /tmp directory


Package and OS requirements

In this example, I’m meeting the package and Operating System requirements by running the following yum command (as root):
yum install oracle-rdbms-server-12cR1-preinstall
 
[root@sujeet newrpms]# ls

 
binutils-2.17.50.0.6-6.0.1.el5.i386.rpm

binutils-2.17.50.0.6-9.0.1.el5.i386.rpm

compat-binutils215-2.15.92.0.2-24.i386.rpm

compat-libcwait-2.0-2.i386.rpm

compat-libstdc++-3.2-1.i386.rpm

compat-libstdc++-egcs-1.1.2-1.i386.rpm

compat-oracle-el5-1.0-5.i386.rpm

fonts-chinese-3.02-12.el5.noarch.rpm

openmotif21-2.1.30-11.EL5.i386.rpm

openmotif21-debuginfo-2.1.30-11.EL5.i386.rpm

xorg-x11-libs-compat-6.8.2-1.EL.33.0.1.i386.rpm

 
 
INSTALL RPM COMMAND:-
[root@sujeet ~]#  rpm –ivh  <rpmname> 
 
[root@sujeet ~]#  rpm –Uivh <rpmname>
 
Install rpm check:-
[root@sujeet ~]#  rpm -qa |grep <rpmname> 
 
(The “oracle-rdbms-server-11gR2-preinstall” RPM seems to work fine too though…)
If you don’t install the package bundle above, then you’ll have to meet all of the required prerequisites manually.

CHANGE HOSTNAME OR MACHINE NAME
 
[root@sujeet ~]#  vi  /etc/hosts
 
Make sure that there is an entry in /etc/hosts file for your 
machine like this:
127.0.0.1       localhost.localdomain  localhost
100.200.23.25   oracle.sujeet           oracle

GUI:-Create User and Group
 
System -> Administration -> Users and Groups -> 
i) Add user oracle
ii) Add Group dba
iii) Assign user to that group
 
        OR
 
COMMAND LINE:-
 
[root@sujeet ~]# useradd -g dba -m oracle
 
[root@sujeet ~]# passwd oracle
 
Changing password for user oracle.
New UNIX password: 
BAD PASSWORD: it is based on a dictionary word
Retype new UNIX password: 
passwd: all authentication tokens updated successfully.
 
Create directories where the Oracle Software and database 
will be installed.
 
[root@sujeet ~]#  Mkdir /u01 
[root@sujeet ~]#  chown -R oracle:dba  /u01
[root@sujeet ~]#  chmod -R 777 /u01
 
 
SELINUX=disabled
 
System -> Administration ->
 
If you leave SELINUX=enforcing then you may get an error later 
while starting sqlplus:
sqlplus: error while loading shared libraries:
/usr/lib/oracle/default/client64/lib/libclntsh.so.11.1: 
cannot restore segment
prot after reloc: Permission denied
 
 
 Linux Kernel Parameters to support Oracle.
 
Open /etc/sysctl.conf and add the following lines:
 
[root@sujeet ~]# vi /etc/sysconfig/network
 
# Oracle settings
fs.file-max = 65536
kernel.shmall = 2097152
kernel.shmmax = 2147483648
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 1024 65500
net.core.rmem_default = 262144
net.core.rmem_max = 262144
net.core.wmem_default = 262144
net.core.wmem_max = 262144
 
Make the kernel parameters changes effective immediately:
 
[root@sujeet ~]# /sbin/sysctl -p
 
[root@sujeet ~]#  /sbin/sysctl -a | grep <name of kernel>
 
 

Download the database 12c software

You need to download both Oracle Database 12c parts from the Oracle Technology Network (OTN).
Use Below Link:-

http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html

Oracle Database Software Downloads

You must accept the OTN License Agreement to download this software.
Accept License Agreement | Decline License Agreement
Oracle Database 12c Release 1Standard Edition, Standard Edition One, and Enterprise Edition
(12.1.0.1.0)
Download Microsoft Windows x64 (64-bit) File 1, File 2  (2.5 GB)  See All
Download Linux x86-64 File 1, File 2  (2.3 GB)  See All
Download Oracle Solaris (SPARC systems, 64-bit) File 1, File 2  (2.6 GB)  See All
Download Oracle Solaris (x86 systems, 64-bit) File 1, File 2  (2.3 GB)  See All





Once you’ve downloaded the software, unzip both files to a staging area:
unzip /tmp/linuxamd64_12c_database_1of2.zip -d /u02/app/oracle/software
unzip /tmp/linuxamd64_12c_database_2of2.zip -d /u02/app/oracle/software
All of the contents from the above will be extracted to a “database” directory.

Restart system
 
[root@sujeet ~]# init 6   

Permission to connect any HOST
[root@sujeet ~]#  xhost +
access control disabled, clients can connect from any host

Start the installer

Open an X-Windows session to the server as the ‘oracle’ user.
Once you’ve met the requirements, and have unzipped the software, you can start the install:
/u02/app/oracle/software/database/runInstaller
Once the GUI starts, respond as follows:
  • Configure Security Updates
    • Unchecked ‘I wish to receive security updates via My Oracle Support’
    • Next
    • Confirm with ‘Yes’
  • Download Software Updates
    • Skip software updates
    • Next
  • Installation Option
    • Install database software only (you can opt to create a database instance at the same time, but I’m keeping the two separate here)
    • Next
  • Grid Installation Options
    • Single instance database installation
    • Next
  • Product Languages
    • Select any additional required languages and move across, otherwise leave just the default ‘English’ selected
    • Next
  • Database Edition  
    • Enterprise Edition (6.4GB) (…or as appropriate depending on which edition you’re licensed for!)
    • Next
  • Installation Location
    • Oracle Base: /u01/app/oracle
    • Software Location: /u01/app/oracle/product/12.1.0.1
    • Next
  • Create Inventory (first Oracle installation only)
    • Inventory Directory: /u01/app/oraInventory
    • oraInventory Group Name: oinstall
    • Next
  • Operating System Groups
    • Database Administrator (OSDBA) group: dba
    • Database Operator (OSOPER) group (Optional): dba
    • Leave all the other memberships as the default ‘dba’ group too.
    • Next
  • Prerequisites Checks
    • All prerequisite checks should complete successfully here, if not, then obviously they will need addressing before proceeding.  Assuming all database validation checks are successful, you shouldn’t actually see this page as the installer will automatically move onto the next screen.
  • Summary
    • Check everything is correct!
    • Click Install
  


 

 

Run the root.sh scripts

When prompted, run the following as root:
/u01/app/oraInventory/orainstRoot.sh (first Oracle installations only)

[root@linux06 ~]# /u01/app/oraInventory/orainstRoot.sh
 
 Changing permissions of /u01/app/oraInventory.
Adding read,write permissions for group.
Removing read,write,execute permissions for world.
 
/u01/app/oracle/product/12.1.0.1/root.sh

[root@linux06 ~]# /u01/app/oracle/product/12.1.0.1/root.sh
 
 Performing root user operation for Oracle 12c

The following environment variables are set as:
    ORACLE_OWNER= oracle
    ORACLE_HOME= /u01/app/oracle/product/12.1.0.1

Enter the full pathname of the local bin directory: [/usr/local/bin]: <enter>
   Copying dbhome to /usr/local/bin ...
   Copying oraenv to /usr/local/bin ...
   Copying coraenv to /usr/local/bin ...

Creating /etc/oratab file...
Entries will be added to the /etc/oratab file as needed by
Database Configuration Assistant when a database is created
Finished running generic part of root script.
Now product-specific root actions will be performed.
 
Finally, click close to finish

 Environment settings

Once the installation has finished, add the following variables to your ‘oracle’ user profile:

vi /home/oracle/.bash_profile

# Oracle variables
TMP=/tmp; export TMP
TMPDIR=$TMP; export TMPDIR
ORACLE_HOSTNAME=linux06.vbox; export ORACLE_HOSTNAME
ORACLE_BASE=/u01/app/oracle; export ORACLE_BASE
ORACLE_HOME=$ORACLE_BASE/product/12.1.0.1; export ORACLE_HOME
#ORACLE_SID=SNAP12C; export ORACLE_SID
#PATH=/usr/sbin:$PATH; export PATH
PATH=$ORACLE_HOME/bin:$PATH; export PATH
LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib; export LD_LIBRARY_PATH
CLASSPATH=$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib; export CLASSPATH
Reload your profile with the new variables:
. ~/.bash_profile
 


How to Deinstall 12c

If you ever want to remove the software, simply run start the deinstall utility as follows, responding appropriately:

$ORACLE_HOME/deinstall/deinstall

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