Oracle Database 11g Release 2 (11.2) Installation On Oracle Linux 7 (OL7)
Oracle Linux 7 is a production release, but the Oracle Database is only supported on it from Oracle Database 11g (18.104.22.168) onward. This installation should not be used for a real system when using database versions prior to 22.214.171.124.
This article describes the installation of Oracle Database 11g Release 2 (126.96.36.199) 64-bit on Oracle Linux 7 (OL7) 64-bit. The article is based on a server installation with a minimum of 2G swap and secure Linux set to permissive. An example of this type of Linux installation can be seen here.
- Download Software
- Unpack Files
- Hosts File
- Oracle Installation Prerequisites
- Post Installation
Download the Oracle software using one of the two link below. If you have access to My Oracle Support (MOS), then it is better to download the 188.8.131.52 version, since this is the first release of 11.2 that is supported on Oracle Linux 7.
- Oracle Database 11g Release 2 (184.108.40.206) Software (MOS)
- Oracle Database 11g Release 2 (220.127.116.11) Software (OTN)
Unzip the files.
unzip linux.x64_11gR2_database_1of2.zip unzip linux.x64_11gR2_database_2of2.zip
You should now have a single directory called "database" containing installation files.
The "/etc/hosts" file must contain a fully qualified name for the server.
<IP-address> <fully-qualified-machine-name> <machine-name>
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 192.168.0.215 ol7.localdomain ol7
Set the correct hostname in the "/etc/hostname" file.
Oracle Installation Prerequisites
Perform either the Automatic Setup or the Manual Setup to complete the basic prerequisites. The Additional Setup is required for all installations.
If you plan to use the "oracle-rdbms-server-11gR2-preinstall" package to perform all your prerequisite setup, follow the instructions at http://public-yum.oracle.com to setup the yum repository for OL, then perform the following command.
# yum install oracle-rdbms-server-11gR2-preinstall
All necessary prerequisites will be performed automatically.
It is probably worth doing a full update as well, but this is not strictly speaking necessary.
# yum update
If you have not used the "oracle-rdbms-server-11gR2-preinstall" package to perform all prerequisites, you will need to manually perform the following setup tasks.
Add or amend the following lines in the "/etc/sysctl.conf" file.
fs.aio-max-nr = 1048576 fs.file-max = 6815744 kernel.shmall = 2097152 kernel.shmmax = 536870912 kernel.shmmni = 4096 # semaphores: semmsl, semmns, semopm, semmni kernel.sem = 250 32000 100 128 net.ipv4.ip_local_port_range = 9000 65500 net.core.rmem_default=262144 net.core.rmem_max=4194304 net.core.wmem_default=262144 net.core.wmem_max=1048586
Run the following command to change the current kernel parameters.
Add the following lines to the "/etc/security/limits.conf" file.
oracle soft nproc 2047 oracle hard nproc 16384 oracle soft nofile 4096 oracle hard nofile 65536 oracle soft stack 10240
Add the following line to the "/etc/pam.d/login" file, if it does not already exist.
session required pam_limits.so
The following packages are listed as required, including the 32-bit version of some of the packages. Many of the packages should be installed already.
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 elfutils-libelf-devel -y
Create the new groups and users.
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 useradd -g oinstall -G dba,oper oracle
We are not going to use the extra groups, but include them if you do plan on using them.
The following steps must be performed, whether you did the manual or automatic setup.
Set the password for the "oracle" user.
Set secure Linux to permissive by editing the "/etc/selinux/config" file, making sure the SELINUX flag is set as follows.
Once the change is complete, restart the server or run the following command.
# setenforce Permissive
# systemctl stop firewalld # systemctl disable firewalld
Create the directories in which the Oracle software will be installed.
mkdir -p /u01/app/oracle/product/18.104.22.168/db_1 chown -R oracle:oinstall /u01 chmod -R 775 /u01
Unless you are working from the console, or using SSH tunnelling, login as root and issue the following command.
Add the following lines at the end of the "/home/oracle/.bash_profile" file.
# Oracle Settings TMP=/tmp; export TMP TMPDIR=$TMP; export TMPDIR ORACLE_HOSTNAME=ol7.localdomain; export ORACLE_HOSTNAME ORACLE_UNQNAME=DB11G; export ORACLE_UNQNAME ORACLE_BASE=/u01/app/oracle; export ORACLE_BASE ORACLE_HOME=$ORACLE_BASE/product/22.214.171.124/db_1; export ORACLE_HOME ORACLE_SID=DB11G; export ORACLE_SID ORACLE_TERM=xterm; export ORACLE_TERM 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=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib; export CLASSPATH if [ $USER = "oracle" ]; then if [ $SHELL = "/bin/ksh" ]; then ulimit -p 16384 ulimit -n 65536 else ulimit -u 16384 -n 65536 fi fi
Log into the oracle user. If you are using X emulation then set the DISPLAY environmental variable.
DISPLAY=<machine-name>:0.0; export DISPLAY
Start the Oracle Universal Installer (OUI) by issuing the following command in the database directory.
Proceed with the installation of your choice. You can see type of installation I performed by clicking on the links below to see screen shots of each stage. The "pdksh" package will be listed as missing, which can be ignored because we installed the "ksh" package instead.
If you are doing an installation for an Enterprise Manager repository, remember to do an advanced installation and pick the ALT32UTF8 character set.
- Configure Security Updates
- Select Install Option
- System Class
- Node Selection
- Select Install Type
- Typical Install Configuration
- Create Inventory
- Perform Prerequisite Checks
- Install Product
- Database Configuration Assistant
- Database Configuration Assistant 2
- Execute Configuration Scripts
During the link phase you will encounter an error invoking the "ins_emagent.mk" file. To fix this, edit the "$ORACLE_HOME/sysman/lib/ins_emagent.mk", doing a search and replace for the line shown below.
FROM: $(MK_EMAGENT_NMECTL) TO : $(MK_EMAGENT_NMECTL) -lnnz11
Click the "Retry" button.
Edit the "/etc/oratab" file setting the restart flag for each instance to 'Y'.
For more information see:
- Oracle Database Installation Guide 11g Release 2 (11.2) for Linux
- Automating Database Startup and Shutdown on Linux
Hope this helps. Regards Tim...