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This article mainly introduces "how to install oracle12C R2 in linux7 system". In daily operation, I believe many people have doubts about how to install oracle12C R2 in linux7 system. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about "how to install oracle12C R2 in linux7 system". Next, please follow the editor to study!

# # memory check

# Minimum: 1 GB of RAM

# Recommended: 2 GB of RAM or more

Grep MemTotal / proc/meminfo | awk'{print $2ax 1024 "MB"}'

# # check of swap

# Available RAM,Swap Space Required

# Between 1 GB and 2 GB, 1.5 times the size of the RAM

# Between 2 GB and 16 GB, Equal to the size of the RAM

# More than 16 GB, 16 GB

Grep SwapTotal / proc/meminfo | awk'{print $2ax 1024 "MB"}'

# # packages for linux6

Binutils-2.20.51.0.2-5.11.el6 (x86 / 64)

Compat-libcap1-1.10-1 (x86x64)

Compat-libstdc++-33-3.2.3-69.el6 (x86x64)

Compat-libstdc++-33-3.2.3-69.el6.i686

Gcc-4.4.4-13.el6 (x86 / 64)

Gcc-c++-4.4.4-13.el6 (x86 / 64)

Glibc-2.12-1.7.el6 (i686)

Glibc-2.12-1.7.el6 (x86 / 64)

Glibc-devel-2.12-1.7.el6 (x86 / 64)

Glibc-devel-2.12-1.7.el6.i686

Ksh

Libgcc-4.4.4-13.el6 (i686)

Libgcc-4.4.4-13.el6 (x86 / 64)

Libstdc++-4.4.4-13.el6 (x86 / 64)

Libstdc++-4.4.4-13.el6.i686

Libstdc++-devel-4.4.4-13.el6 (x86 / 64)

Libstdc++-devel-4.4.4-13.el6.i686

Libaio-0.3.107-10.el6 (x86 / 64)

Libaio-0.3.107-10.el6.i686

Libaio-devel-0.3.107-10.el6 (x86 / 64)

Libaio-devel-0.3.107-10.el6.i686

Make-3.81-19.el6

Sysstat-9.0.4-11.el6 (x86 / 64)

Yum-y install binutils compat-libcap1 compat-libstdc++ compat-libstdc++*.i686 gcc gcc-c++ glibc-2*.i686 glibc glibc-devel*.i686 glibc-devel ksh libgcc libgcc-*.i686 libstdc++*.i686 libstdc++ libstdc++-devel libstdc++devel*.i686 libaio-*.i686 libaio libaio-*.i686 libaio-devel libaio-devel*.i686 make sysstat unixODBC-devel unixODBC*.i686

# # packages for linux 7

Rpm-qa | grep binutils-2.23.52.0.1-12.el7.x86_64

Rpm-qa | grep compat-libcap1-1.10-3.el7.x86_64

Rpm-qa | grep compat-libstdc++-33-3.2.3-71.el7.i686

Rpm-qa | grep compat-libstdc++-33-3.2.3-71.el7.x86_64

Rpm-qa | grep gcc-4.8.2-3.el7.x86_64

Rpm-qa | grep gcc-c++-4.8.2-3.el7.x86_64

Rpm-qa | grep glibc-2.17-36.el7.i686

Rpm-qa | grep glibc-2.17-36.el7.x86_64

Rpm-qa | grep glibc-devel-2.17-36.el7.i686

Rpm-qa | grep glibc-devel-2.17-36.el7.x86_64

Rpm-qa | grep ksh

Rpm-qa | grep libaio-0.3.109-9.el7.i686

Rpm-qa | grep libaio-0.3.109-9.el7.x86_64

Rpm-qa | grep libaio-devel-0.3.109-9.el7.i686

Rpm-qa | grep libaio-devel-0.3.109-9.el7.x86_64

Rpm-qa | grep libgcc-4.8.2-3.el7.i686

Rpm-qa | grep libgcc-4.8.2-3.el7.x86_64

Rpm-qa | grep libstdc++-4.8.2-3.el7.i686

Rpm-qa | grep libstdc++-4.8.2-3.el7.x86_64

Rpm-qa | grep libstdc++-devel-4.8.2-3.el7.i686

Rpm-qa | grep libstdc++-devel-4.8.2-3.el7.x86_64

Rpm-qa | grep libXi-1.7.2-1.el7.i686

Rpm-qa | grep libXi-1.7.2-1.el7.x86_64

Rpm-qa | grep libXtst-1.2.2-1.el7.i686

Rpm-qa | grep libXtst-1.2.2-1.el7.x86_64

Rpm-qa | grep make-3.82-19.el7.x86_64

Rpm-qa | grep sysstat-10.1.5-1.el7.x86_64

Yum-y install binutils compat-libcap1 compat-libstdc++-33 compat-libstdc++-33*.i686 gcc gcc-c++ glibc glibc*.i686 glibc-devel glibc-devel*.i686 ksh libaio libaio-*.i686 libaio-devel libaio-devel*.i686 libgcc libgcc*.i686 libstdc++ libstdc++*.i686 libstdc++-devel libstdc++devel*.i686 libXi libXi*.i686 libXtst libXtst*.i686 make sysstat unixODBC unixODBC-devel unixODBC*.i686

Yum-y localinstall compat-libstdc++-33-3.2.3-72.el7.* # download separately

# # create user and group

Groupadd-g 1000 oinstall

Groupadd-g 1001 dba

Groupadd-g 1002 oper

Useradd-g oinstall-G dba,oper oracle

# # vi / etc/sysctl.conf

Fs.aio-max-nr = 1048576

Fs.file-max = 6815744

Kernel.shmall = 2097152

Kernel.shmmax = 536870912

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-p

# # official document explains the setting of shmmax (document ID 567506.1). I usually directly use the current setting / sbin/sysctl-a | grep shm

# Oracle Global Customer Support officially recommends a "maximum" for SHMMAX of "1 Compact 2 of physical RAM".

# The maximum size of a shared memory segment is limited by the size of the available user address space. On 64-bit systems, this is a theoretical 2 ^ 64 bytes. So the "theoretical limit" for SHMMAX is the amount of physical RAM that you have. However, to actually attempt to use such a value could potentially lead to a situation where no system memory is available for anything else. Therefore a more realistic "physical limit" for SHMMAX would probably be "physical RAM-2Gb".

# In an Oracle RDBMS application, this "physical limit" still leaves inadequate system memory for other necessary functions. Therefore, the common "Oracle maximum" for SHMMAX that you will often see is "1 prime 2 of physical RAM". Many Oracle customers chose a higher fraction, at their discretion.

# Occasionally, Customers may erroneously think that that setting the SHMMAX as recommended in this NOTE limits the total SGA. That is not true. Setting the SHMMAX as recommended only causes a few more "shared memory segments" to be used for whatever total SGA that you subsequently configure in Oracle. For additional detail, please see

# #

? vi / etc/security/limits.conf

? oracle soft nproc 2047

Oracle hard nproc 16384

Oracle soft nofile 1024

Oracle hard nofile 65536

Oracle soft stack 10240

Oracle hard stack 10240

# # create a software installation directory

Mkdir-p / u01/app/oracle

Chown-R oracle:oinstall / u01/app/oracle

# # adding Local parameters

Su-oracle

Vi .bash _ profile

Umask 0022

ORACLE_BASE=/u01/app/oracle

ORACLE_HOME=/u01/app/oracle/product/12.2.0/db_1

ORACLE_SID=orcl

Export ORACLE_BASE ORACLE_HOME ORACLE_SID

Export PATH=$ORACLE_HOME/bin:$PATH:$HOME/bin:/usr/bin:/sbin

LD_LIBRARY_PATH=$ORACLE_HOME/lib

# # modifying hosts File

Ip add | grep enp0s8 | grep inet | awk'{print $2}'| awk-F "/'{printf $1"} {cmd=" hostname "; system (cmd)}'> > / etc/hosts

Cat / etc/hosts

# # booting up and starting graphical

[root@localhost ~] # systemctl get-default

Multi-user.target

[root@localhost ~] # cat / etc/inittab

# inittab is no longer used when using systemd.

#

# ADDING CONFIGURATION HERE WILL HAVE NO EFFECT ON YOUR SYSTEM.

#

# Ctrl-Alt-Delete is handled by / usr/lib/systemd/system/ctrl-alt-del.target

#

# systemd uses' targets' instead of runlevels. By default, there are two main targets:

#

# multi-user.target: analogous to runlevel 3 # multiuser mode

# graphical.target: analogous to runlevel 5 # graphical mode

#

# To view current default target, run:

# systemctl get-default

#

# To set a default target, run:

# systemctl set-default TARGET.target

#

[root@localhost ~] # systemctl set-default graphical.target

Removed symlink / etc/systemd/system/default.target.

Created symlink from / etc/systemd/system/default.target to / usr/lib/systemd/system/graphical.target.

[root@localhost ~] # systemctl get-default

Graphical.target

?

# # disable Firewall and selinux

[root@localhost ~] # systemctl stop firewalld

[root@localhost ~] # systemctl disable firewalld

Removed symlink / etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.

Removed symlink / etc/systemd/system/basic.target.wants/firewalld.service.

[root@rhel7ora11 ~] # getenforce

Enforcing

[root@rhel7ora11 ~] # setenforce 0

[root@rhel7ora11 ~] # getenforce

Permissive

[root@rhel7ora11 ~] # vi / etc/selinux/config

SELINUX=disabled

Or

Sed-I's etc/selinux/config SelinuxplenforcingAccording to SELINUXAfter

# # installation

. / runInstaller

# execute script

[root@rhel7-ora12c-ip156 ~] # / u01/app/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.

[root@rhel7-ora12c-ip156 ~] # / u01/app/oracle/product/12.2.0/db_1/root.sh

Performing root user operation.

The following environment variables are set as:

ORACLE_OWNER= oracle

ORACLE_HOME= / u01/app/oracle/product/12.2.0/db_1

Enter the full pathname of the local bin directory: [/ usr/local/bin]:

Copying dbhome to / usr/local/bin...

Copying oraenv to / usr/local/bin...

Copying coraenv to / usr/local/bin...

Creating / etc/oratab file...

Entries will be added to the / etc/oratab file as needed by

Database Configuration Assistant when a database is created

Finished running generic part of root script.

Now product-specific root actions will be performed.

Do you want to setup Oracle Trace File Analyzer (TFA) now? Yes | [no]:

No

Oracle Trace File Analyzer (TFA-User Mode) is available at:

/ u01/app/oracle/product/12.2.0/db_1/suptools/tfa/release/tfa_home/bin/tfactl

OR

Oracle Trace File Analyzer (TFA-Daemon Mode) can be installed by running this script:

/ u01/app/oracle/product/12.2.0/db_1/suptools/tfa/release/tfa_home/install/roottfa.sh

# dbca creates a database. Assm management requires at least 1460m memory allocation.

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