How to install 12C Realese 2 using silent mode response file (db_install.rsp)

I could have run the OUI in silent mode using this edited response file (db_install.rsp) with the following command.

Related Article:

How to install Oracle 12c Release 2 RAC 

$ cd /media/sf_12.2.0.1/database
$ ./runInstaller -silent -ignoreSysPrereqs -showProgress -responseFile /tmp/db_install.rsp

####################################################################
## Copyright(c) Oracle Corporation 1998,2017. All rights reserved.##
##                                                                ##
## Specify values for the variables listed below to customize     ##
## your installation.                                             ##
##                                                                ##
## Each variable is associated with a comment. The comment        ##
## can help to populate the variables with the appropriate        ##
## values.                                                        ##
##                                                                ##
## IMPORTANT NOTE: This file contains plain text passwords and    ##
## should be secured to have read permission only by oracle user  ##
## or db administrator who owns this installation.                ##
##                                                                ##
####################################################################


#-------------------------------------------------------------------------------
# Do not change the following system generated value. 
#-------------------------------------------------------------------------------
oracle.install.responseFileVersion=/oracle/install/rspfmt_dbinstall_response_schema_v12.2.0

#-------------------------------------------------------------------------------
# Specify the installation option.
# It can be one of the following:
#   - INSTALL_DB_SWONLY
#   - INSTALL_DB_AND_CONFIG
#   - UPGRADE_DB
#-------------------------------------------------------------------------------
oracle.install.option=INSTALL_DB_SWONLY

#-------------------------------------------------------------------------------
# Specify the Unix group to be set for the inventory directory.  
#-------------------------------------------------------------------------------
UNIX_GROUP_NAME=oinstall

#-------------------------------------------------------------------------------
# Specify the location which holds the inventory files.
# This is an optional parameter if installing on
# Windows based Operating System.
#-------------------------------------------------------------------------------
INVENTORY_LOCATION=/u01/app/oraInventory
#-------------------------------------------------------------------------------
# Specify the complete path of the Oracle Home. 
#-------------------------------------------------------------------------------
ORACLE_HOME=/u01/app/oracle/product/12.2.0.1/db_1

#-------------------------------------------------------------------------------
# Specify the complete path of the Oracle Base. 
#-------------------------------------------------------------------------------
ORACLE_BASE=/u01/app/oracle

#-------------------------------------------------------------------------------
# Specify the installation edition of the component.                     
#                                                             
# The value should contain only one of these choices.  
      
#   - EE     : Enterprise Edition 
                               
#   - SE2     : Standard Edition 2


#-------------------------------------------------------------------------------

oracle.install.db.InstallEdition=EE
###############################################################################
#                                                                             #
# PRIVILEGED OPERATING SYSTEM GROUPS                                          #
# ------------------------------------------                                  #
# Provide values for the OS groups to which SYSDBA and SYSOPER privileges     #
# needs to be granted. If the install is being performed as a member of the   #
# group "dba", then that will be used unless specified otherwise below.       #
#                                                                             #
# The value to be specified for OSDBA and OSOPER group is only for UNIX based #
# Operating System.                                                           #
#                                                                             #
###############################################################################

#------------------------------------------------------------------------------
# The OSDBA_GROUP is the OS group which is to be granted SYSDBA privileges.
#-------------------------------------------------------------------------------
oracle.install.db.OSDBA_GROUP=dba

#------------------------------------------------------------------------------
# The OSOPER_GROUP is the OS group which is to be granted SYSOPER privileges.
# The value to be specified for OSOPER group is optional.
#------------------------------------------------------------------------------
oracle.install.db.OSOPER_GROUP=

#------------------------------------------------------------------------------
# The OSBACKUPDBA_GROUP is the OS group which is to be granted SYSBACKUP privileges.
#------------------------------------------------------------------------------
oracle.install.db.OSBACKUPDBA_GROUP=dba

#------------------------------------------------------------------------------
# The OSDGDBA_GROUP is the OS group which is to be granted SYSDG privileges.
#------------------------------------------------------------------------------
oracle.install.db.OSDGDBA_GROUP=dba

#------------------------------------------------------------------------------
# The OSKMDBA_GROUP is the OS group which is to be granted SYSKM privileges.
#------------------------------------------------------------------------------
oracle.install.db.OSKMDBA_GROUP=dba

#------------------------------------------------------------------------------
# The OSRACDBA_GROUP is the OS group which is to be granted SYSRAC privileges.
#------------------------------------------------------------------------------
oracle.install.db.OSRACDBA_GROUP=dba

###############################################################################
#                                                                             #
#                               Grid Options                                  #
#                                                                             #
###############################################################################
#------------------------------------------------------------------------------
# Specify the type of Real Application Cluster Database
# 
#   - ADMIN_MANAGED: Admin-Managed
#   - POLICY_MANAGED: Policy-Managed
# 
# If left unspecified, default will be ADMIN_MANAGED 
#------------------------------------------------------------------------------
oracle.install.db.rac.configurationType=

#------------------------------------------------------------------------------
# Value is required only if RAC database type is ADMIN_MANAGED
# 
# Specify the cluster node names selected during the installation.
# Leaving it blank will result in install on local server only (Single Instance)
# 
# Example : oracle.install.db.CLUSTER_NODES=node1,node2
#------------------------------------------------------------------------------
oracle.install.db.CLUSTER_NODES=ol6-122-rac1,ol6-122-rac2

#------------------------------------------------------------------------------
# This variable is used to enable or disable RAC One Node install.
#
#   - true  : Value of RAC One Node service name is used.
#   - false : Value of RAC One Node service name is not used.
#
# If left blank, it will be assumed to be false.
#------------------------------------------------------------------------------
oracle.install.db.isRACOneInstall=false

#------------------------------------------------------------------------------
# Value is required only if oracle.install.db.isRACOneInstall is true.
# 
# Specify the name for RAC One Node Service
#------------------------------------------------------------------------------
oracle.install.db.racOneServiceName=

#------------------------------------------------------------------------------
# Value is required only if RAC database type is POLICY_MANAGED
# 
# Specify a name for the new Server pool that will be configured
# Example : oracle.install.db.rac.serverpoolName=pool1
#------------------------------------------------------------------------------
oracle.install.db.rac.serverpoolName=

#------------------------------------------------------------------------------
# Value is required only if RAC database type is POLICY_MANAGED
# 
# Specify a number as cardinality for the new Server pool that will be configured
# Example : oracle.install.db.rac.serverpoolCardinality=2
#------------------------------------------------------------------------------
oracle.install.db.rac.serverpoolCardinality=0

###############################################################################
#                                                                             #
#                        Database Configuration Options                       #
#                                                                             #
###############################################################################

#-------------------------------------------------------------------------------
# Specify the type of database to create.
# It can be one of the following:
#   - GENERAL_PURPOSE                       
#   - DATA_WAREHOUSE 
# GENERAL_PURPOSE: A starter database designed for general purpose use or transaction-heavy applications.
# DATA_WAREHOUSE : A starter database optimized for data warehousing applications.
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.type=GENERAL_PURPOSE

#-------------------------------------------------------------------------------
# Specify the Starter Database Global Database Name. 
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.globalDBName=

#-------------------------------------------------------------------------------
# Specify the Starter Database SID.
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.SID=

#-------------------------------------------------------------------------------
# Specify whether the database should be configured as a Container database.
# The value can be either "true" or "false". If left blank it will be assumed
# to be "false".
#-------------------------------------------------------------------------------
oracle.install.db.ConfigureAsContainerDB=false

#-------------------------------------------------------------------------------
# Specify the  Pluggable Database name for the pluggable database in Container Database.
#-------------------------------------------------------------------------------
oracle.install.db.config.PDBName=

#-------------------------------------------------------------------------------
# Specify the Starter Database character set.
#                                               
#  One of the following
#  AL32UTF8, WE8ISO8859P15, WE8MSWIN1252, EE8ISO8859P2,
#  EE8MSWIN1250, NE8ISO8859P10, NEE8ISO8859P4, BLT8MSWIN1257,
#  BLT8ISO8859P13, CL8ISO8859P5, CL8MSWIN1251, AR8ISO8859P6,
#  AR8MSWIN1256, EL8ISO8859P7, EL8MSWIN1253, IW8ISO8859P8,
#  IW8MSWIN1255, JA16EUC, JA16EUCTILDE, JA16SJIS, JA16SJISTILDE,
#  KO16MSWIN949, ZHS16GBK, TH8TISASCII, ZHT32EUC, ZHT16MSWIN950,
#  ZHT16HKSCS, WE8ISO8859P9, TR8MSWIN1254, VN8MSWIN1258
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.characterSet=

#------------------------------------------------------------------------------
# This variable should be set to true if Automatic Memory Management 
# in Database is desired.
# If Automatic Memory Management is not desired, and memory allocation
# is to be done manually, then set it to false.
#------------------------------------------------------------------------------
oracle.install.db.config.starterdb.memoryOption=false

#-------------------------------------------------------------------------------
# Specify the total memory allocation for the database. Value(in MB) should be
# at least 256 MB, and should not exceed the total physical memory available 
# on the system.
# Example: oracle.install.db.config.starterdb.memoryLimit=512
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.memoryLimit=

#-------------------------------------------------------------------------------
# This variable controls whether to load Example Schemas onto
# the starter database or not.
# The value can be either "true" or "false". If left blank it will be assumed
# to be "false".
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.installExampleSchemas=false

###############################################################################
#                                                                             #
# Passwords can be supplied for the following four schemas in the       #
# starter database:                  #
#   SYS                                                                       #
#   SYSTEM                                                                    #
#   DBSNMP (used by Enterprise Manager)                                       #
#                                                                             #
# Same password can be used for all accounts (not recommended)         #
# or different passwords for each account can be provided (recommended)       #
#                                                                             #
###############################################################################

#------------------------------------------------------------------------------
# This variable holds the password that is to be used for all schemas in the
# starter database.
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.password.ALL=

#-------------------------------------------------------------------------------
# Specify the SYS password for the starter database.
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.password.SYS=

#-------------------------------------------------------------------------------
# Specify the SYSTEM password for the starter database.
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.password.SYSTEM=

#-------------------------------------------------------------------------------
# Specify the DBSNMP password for the starter database.
# Applicable only when oracle.install.db.config.starterdb.managementOption=CLOUD_CONTROL
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.password.DBSNMP=

#-------------------------------------------------------------------------------
# Specify the PDBADMIN password required for creation of Pluggable Database in the Container Database.
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.password.PDBADMIN=

#-------------------------------------------------------------------------------
# Specify the management option to use for managing the database.
# Options are:
# 1. CLOUD_CONTROL - If you want to manage your database with Enterprise Manager Cloud Control along with Database Express.
# 2. DEFAULT   -If you want to manage your database using the default Database Express option.
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.managementOption=DEFAULT

#-------------------------------------------------------------------------------
# Specify the OMS host to connect to Cloud Control.
# Applicable only when oracle.install.db.config.starterdb.managementOption=CLOUD_CONTROL
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.omsHost=

#-------------------------------------------------------------------------------
# Specify the OMS port to connect to Cloud Control.
# Applicable only when oracle.install.db.config.starterdb.managementOption=CLOUD_CONTROL
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.omsPort=0

#-------------------------------------------------------------------------------
# Specify the EM Admin user name to use to connect to Cloud Control.
# Applicable only when oracle.install.db.config.starterdb.managementOption=CLOUD_CONTROL
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.emAdminUser=

#-------------------------------------------------------------------------------
# Specify the EM Admin password to use to connect to Cloud Control.
# Applicable only when oracle.install.db.config.starterdb.managementOption=CLOUD_CONTROL
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.emAdminPassword=

###############################################################################
#                                                                             #
# SPECIFY RECOVERY OPTIONS                                                #
# ------------------------------------                                #
# Recovery options for the database can be mentioned using the entries below  #
#                                                                             #
###############################################################################

#------------------------------------------------------------------------------
# This variable is to be set to false if database recovery is not required. Else 
# this can be set to true.
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.enableRecovery=false

#-------------------------------------------------------------------------------
# Specify the type of storage to use for the database.
# It can be one of the following:
#   - FILE_SYSTEM_STORAGE
#   - ASM_STORAGE
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.storageType=

#-------------------------------------------------------------------------------
# Specify the database file location which is a directory for datafiles, control
# files, redo logs.         
#
# Applicable only when oracle.install.db.config.starterdb.storage=FILE_SYSTEM_STORAGE 
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.fileSystemStorage.dataLocation=

#-------------------------------------------------------------------------------
# Specify the recovery location.
#
# Applicable only when oracle.install.db.config.starterdb.storage=FILE_SYSTEM_STORAGE 
#-------------------------------------------------------------------------------
oracle.install.db.config.starterdb.fileSystemStorage.recoveryLocation=

#-------------------------------------------------------------------------------
# Specify the existing ASM disk groups to be used for storage.
#
# Applicable only when oracle.install.db.config.starterdb.storageType=ASM_STORAGE
#-------------------------------------------------------------------------------
oracle.install.db.config.asm.diskGroup=

#-------------------------------------------------------------------------------
# Specify the password for ASMSNMP user of the ASM instance.                 
#
# Applicable only when oracle.install.db.config.starterdb.storage=ASM_STORAGE 
#-------------------------------------------------------------------------------
oracle.install.db.config.asm.ASMSNMPPassword=

#------------------------------------------------------------------------------
# Specify the My Oracle Support Account Username.
#
#  Example   : MYORACLESUPPORT_USERNAME=abc@oracle.com
#------------------------------------------------------------------------------
MYORACLESUPPORT_USERNAME=

#------------------------------------------------------------------------------
# Specify the My Oracle Support Account Username password.
#
# Example    : MYORACLESUPPORT_PASSWORD=password
#------------------------------------------------------------------------------
MYORACLESUPPORT_PASSWORD=

#------------------------------------------------------------------------------
# Specify whether to enable the user to set the password for
# My Oracle Support credentials. The value can be either true or false.
# If left blank it will be assumed to be false.
#
# Example    : SECURITY_UPDATES_VIA_MYORACLESUPPORT=true
#------------------------------------------------------------------------------
SECURITY_UPDATES_VIA_MYORACLESUPPORT=false

#------------------------------------------------------------------------------
# Specify whether user doesn't want to configure Security Updates.
# The value for this variable should be true if you don't want to configure
# Security Updates, false otherwise.
#
# The value can be either true or false. If left blank it will be assumed
# to be true.
#
# Example    : DECLINE_SECURITY_UPDATES=false
#------------------------------------------------------------------------------
DECLINE_SECURITY_UPDATES=true

#------------------------------------------------------------------------------
# Specify the Proxy server name. Length should be greater than zero.
#
# Example    : PROXY_HOST=proxy.domain.com 
#------------------------------------------------------------------------------
PROXY_HOST=

#------------------------------------------------------------------------------
# Specify the proxy port number. Should be Numeric and at least 2 chars.
#
# Example    : PROXY_PORT=25
#------------------------------------------------------------------------------
PROXY_PORT=

#------------------------------------------------------------------------------
# Specify the proxy user name. Leave PROXY_USER and PROXY_PWD
# blank if your proxy server requires no authentication.
#
# Example    : PROXY_USER=username
#------------------------------------------------------------------------------
PROXY_USER=

#------------------------------------------------------------------------------
# Specify the proxy password. Leave PROXY_USER and PROXY_PWD  
# blank if your proxy server requires no authentication.
#
# Example    : PROXY_PWD=password
#------------------------------------------------------------------------------
PROXY_PWD=

#------------------------------------------------------------------------------
# Specify the Oracle Support Hub URL. 
# 
# Example    : COLLECTOR_SUPPORTHUB_URL=https://orasupporthub.company.com:8080/
#------------------------------------------------------------------------------
COLLECTOR_SUPPORTHUB_URL=