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• Oracle Linux 7.4 Iso Download

As we all know Oracle database is the most popular and widely used Relational Database Management System (RDBMS) in the world. This post describes step by step installation of Oracle Database 11g Release 2 32bit on CentOS 6.4 32bit. The installation steps should not be vary on most of the Red Hat based Linux distributions. Installing Oracle Database 11g Release 2 Step 1: Install Oracle DependenciesWe use “ oracle-rdbms-server-11gR2-preinstall” package offered by “ Oracle Public Yum” repository. The Oracle public yum repository provides a free and easiest way to install all the latest Oracle Linux dependencies automatically.

To setup yum repository, follow the instructions provided below.Use “ wget” command to Download appropriate yum configuration file under /etc/yum.repos.d/ directory as root user. RHEL/CentOs 6.x # cd /etc/yum.repos.d# wget RHEL/CentOs 5.x # cd /etc/yum.repos.d# wget RHEL/CentOs 4.x # cd /etc/yum.repos.d# wget perform the following “ yum” command to install all the necessary prerequisites automatically.

# yum install oracle-rdbms-server-11gR2-preinstallWhile importing GPG key, you might get “ GPG key retrieval failed” error as shown below. Here, you need to import proper GPG key for your OS release. Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracleGPG key retrieval failed: Errno 14 Could not open/read file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracleDownload and verify the appropriate Oracle Linux GPG Key that best matches your RHEL/ CentOS compatible OS release. RHEL/CentOs 6.x # wget -O /etc/pki/rpm-gpg/RPM-GPG-KEY-oracle RHEL/CentOs 5.x # wget -O /etc/pki/rpm-gpg/RPM-GPG-KEY-oracle RHEL/CentOs 4.x # wget -O /usr/share/rhn/RPM-GPG-KEY-oracle Step 2: Setting HostnameOpen the “ /etc/sysconfig/network” file and modify the HOSTNAME to match your FQDN ( Fully Qualified Domain Name) host name. # vi /etc/sysconfig/network HOSTNAME=oracle.tecmint.comOpen “ /etc/hosts” file and add fully qualified hostname for the server.

# vi /etc/hosts 192.168.246.128 oracle.tecmint.com oracleNow you need to restart networking on the server to make sure that changes will be persistent on reboot. # /etc/init.d/network restart Step 3: Oracle User SettingsSet the password for the “ oracle” user. # passwd oracleChanging password for user oracle.New password:BAD PASSWORD: it is based on a dictionary wordRetype new password:passwd: all authentication tokens updated successfully.Add the entry to file “ /etc/security/limits.d/90-nproc.conf” as described below. # vi /etc/security/limits.d/90-nproc.conf # Default limit for number of user's processes to prevent# accidental fork bombs.# See rhbz #432903 for reasoning.

soft nproc 1024# To this. nproc 16384Set SELinux to “ permissive” mode by editing the file “ /etc/selinux/config“. # vi /etc/selinux/config SELINUX=permissiveOnce you’ve made change, don’t forger to restart the server to reflect new changes. # rebootLogin as Oracle user and open file “.bashprofile“, which is available on oracle user’s home directory, make an entries as described below.

Make sure you set correct hostname to “ ORACLEHOSTNAME=oracle.tecmint.com“. Download Oracle 11g Release 2The Oracle package contains 2 zip files which you must first accept the license agreement before downloading. I’ve given the files names for you reference, please download these files for your system architecture somewhere under “ /home/oracle/“. For Linux x86 Systems For Linux x86-64 Systems Step 5: Oracle InstallationNow let’s start Oracle installation. First of all need to switch as ‘oracle’ user to install database. $ su oracleExtract compressed Oracle database source files to the same directory “ /home/oracle/“.

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$ unzip linux11gR2database1of2.zip $ unzip linux11gR2database2of2.zipPost unzip source file, directory called database will be created, go to inside the directory and execute below script to start Oracle database installation process. database$ cd database database$./runInstaller1.

Oracle Linux 7.4 Iso Download

R unInstaller will call Oracle Universal Installer (OUI), wherein look and feel & steps are the same across all the operating system. Perform Prerequisite ChecksThe pdksh package is not available in Oracle repository due to which you need to download and install it manually.

# wget ftp://rpmfind.net/linux/redhat-archive/6.2/en/os/i386/RedHat/RPMS/pdksh-5.2.14-2.i386.rpmDuring pdksh package installation you may encountered conflict error of ksh package. Remove ksh package forcefully and install the pdksh package with given below command:- # rpm -e ksh-20100621-19.el64.4.i686 -nodeps# rpm -ivh pdksh-5.2.14-2.i386.rpm11. Performing Prerequisite checks: It’s test whether sufficient total SWAP space is available on the system. Execute Configuration Scripts # cd /u01/app/oraInventory oraInventory#./orainstRoot.sh Changing permissions of /u01/app/oraInventory.Adding read,write permissions for group.Removing read,write,execute permissions for world.Changing groupname of /u01/app/oraInventory to oinstall.The execution of the script is complete.