HOWTO: install Oracle 12c Database on Centos8

Posted 2022-11-24 yexianyi

Pre-install:

1. Prepare CentOS Linux release 8.3.2011 with 4 core, 4G RAM and 40G DIsk space at least.
2. Download Oracle 12c from https://edelivery.oracle.com/osdc/faces/SoftwareDelivery
3. You will see several ZIP file, like following
   
4. Unzip all the ZIP files to a custom folder or just unzip V839960-01.zip

Config System:

1. Create user and groups

   groupadd -g 54321 oinstall
   groupadd -g 54322 dba
   groupadd -g 54323 oper
   groupadd -g 54324 backupdba
   groupadd -g 54325 dgdba
   groupadd -g 54326 kmdba
   groupadd -g 54327 asmdba
   groupadd -g 54328 asmoper
   groupadd -g 54329 asmadmin
   groupadd -g 54330 racdba
   
   useradd -u 54321 -g oinstall -G dba,oper,backupdba,dgdba,kmdba,asmdba,asmoper,asmadmin,racdba oracle
   
   mkdir /u01
   chown -R oracle:oinstall /u01
   chmod -R 775 /u01/

2. Install essencial packages

   yum update -y
   yum install libnsl -y
   yum install binutils -y
   yum install compat-libstdc++-33 -y
   yum install compat-libstdc++-33.i686 -y
   yum install gcc -y
   yum install gcc-c++ -y
   yum install glibc -y
   yum install glibc.i686 -y
   yum install glibc-devel -y
   yum install glibc-devel.i686 -y
   yum install ksh -y
   yum install libgcc -y
   yum install libgcc.i686 -y
   yum install libstdc++ -y
   yum install libstdc++.i686 -y
   yum install libstdc++-devel -y
   yum install libstdc++-devel.i686 -y
   yum install libaio -y
   yum install libaio.i686 -y
   yum install libaio-devel -y
   yum install libaio-devel.i686 -y
   yum install libXext -y
   yum install libXext.i686 -y
   yum install libXtst -y
   yum install libXtst.i686 -y
   yum install libX11 -y
   yum install libX11.i686 -y
   yum install libXau -y
   yum install libXau.i686 -y
   yum install libxcb -y
   yum install libxcb.i686 -y
   yum install libXi -y
   yum install libXi.i686 -y
   yum install make -y
   yum install sysstat -y
   yum install unixODBC -y
   yum install unixODBC-devel -y
   yum install zlib-devel -y
   yum install zlib-devel.i686 -y
   yum install java-1.8.0-openjdk.x86_64 -y
   
   

    

3. add your host name resolution to  /etc/hosts
   sudo vi /etc/hosts
   127.0.0.1   centos8 centos8.linuxvmimages.local  #(centos8.linuxvmimages.local is my hostname)

    

Run Installer 

1. Go to "database" folder which unziped in previous step and run install file
   sudo ./runInstaller
   ​
2. Follow the instructions of the installation guide, then Next, Next ... Next . Then you would succeeed at last. 

After Installation:

1. Login system as "oracle" and edit "/home/oracle/.bash_profile"

   export ORACLE_HOSTNAME=centos8.linuxvmimages.local
   export ORACLE_UNQNAME=orcl
   export ORACLE_BASE=/u01/app/oracle
   export DB_HOME=$ORACLE_BASE/product/12.2.0/dbhome_1
   export ORACLE_HOME=$DB_HOME
   export ORACLE_SID=orcl
   export ORACLE_TERM=xterm
   export BASE_PATH=/usr/sbin:$PATH
   export PATH=$ORACLE_HOME/bin:$ORACLE_HOME/OPatch:$ORACLE_HOME/perl/bin:$ORACLE_HOME/jdk/bin:$BASE_PATH
   export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib
   export CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib
   

2. source /home/oracle/.bash_profilez
3. You can create demo schema follow this instruction.

   create tablespace hr datafile '/u01/app/oracle/oradata/orcl/hr_datafile01.dbf' size 5M autoextend on next 1M ;

   SQL> @?/demo/schema/human_resources/hr_main.sql
   
   specify password for HR as parameter 1:
   Enter value for 1: Passw0rd
   
   specify default tablespeace for HR as parameter 2:
   Enter value for 2: hr
   
   specify temporary tablespace for HR as parameter 3:
   Enter value for 3: temp
   
   specify log path as parameter 4:
   Enter value for 4: $ORACLE_HOME/demo/schema/log/
   
   
   PL/SQL procedure successfully completed.

    

Reference:

https://oracle-base.com/articles/12c/oracle-db-12cr2-rac-installation-on-oracle-linux-7-using-virtualbox