Oracle DB – 12c Installation

Recommended - Follow previous steps before starting installation for downloading 12C binaries- https://rite-oim.blogspot.com/2019/12/download-12c-binaries-25-december-2019.html (Ignore, if already done)

1.      Set JAVA_HOME with jdk 8 (131 or above)

Extract downloaded JDK and export the JAVA_HOME and PATH

2.      Configuration file level configurations

Run as User (oracle is user)

ulimit -n 65536

ulimit -u 10240

ulimit -s 10240

Also - 

vi /etc/security/limits.conf and paste below values and save the file.

oracle soft nofile 10240

oracle hard nofile 65536

oracle stack nofile 10240

3.      Install Kernals and Packages

yum install compat-libcap1-1.10

yum install libstdc++-devel-4.8.*

yum install gcc-c++-4.8.*

yum install ksh

yum install libaio-devel(x86_64)-0.3.109

4.      Required System Level and Memory Configuration

vi /etc/sysctl.d/97-oracle-database-sysctl.conf and paste below values and save the file.

fs.aio-max-nr = 1048576
fs.file-max = 6815744
kernel.shmall = 2097152
kernel.shmmax = 4294967295
kernel.shmmni = 4096
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 = 1048576

/sbin/sysctl --system

/sbin/sysctl -a

5.      Now run the ./runInstaller to start DB installation.

Below, oracle is the Linux user and by default got selected as group owners

Click next and follow the instructions as suggested in next steps to complete the installation.


After DB installation - start Weblogic Installation - https://rite-oim.blogspot.com/2019/12/weblogic-installation-12c-22-december.html