Oracle Installation

For Installation Follow these steps which are given in video:--

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1. login with root user and set kernel parameter in /etc/sysctl.conf
  
  

  echo kernel.shmall = 2097152 >> /etc/sysctl.conf

  echo kernel.shmmax = 536870912 >> /etc/sysctl.conf

  echo kernel.shmmni = 4096 >> /etc/sysctl.conf

  echo # semaphores: semmsl, semmns, semopm, semmni >>                /etc/sysctl.conf

  echo kernel.sem = 250 32000 100 128 >> /etc/sysctl.conf

  echo fs.file-max = 65536 >> /etc/sysctl.conf

  echo net.ipv4.ip_local_port_range = 9000 65000 >> /etc/sysctl.conf

  echo net.core.rmem_default=262144 >> /etc/sysctl.conf

  echo net.core.rmem_max=4194304 >> /etc/sysctl.conf

  echo net.core.wmem_default=262144 >> /etc/sysctl.conf

  echo net.core.wmem_max=1048586 >> /etc/sysctl.conf

  echo fs.file-max = 6815744 >> /etc/sysctl.conf

  echo net.ipv4.ip_local_port_range = 9000 65500 >> /etc/sysctl.conf

  echo net.core.wmem_max = 1048576 >> /etc/sysctl.conf

  echo fs.aio-max-nr = 1048576 >> /etc/sysctl.conf

2. Activate the kernel settings

   sysctl -p

3. CREATE REQUIRED GROUPS AND USERS:

   groupadd oinstall

   groupadd dba
   groupadd oper

   groupadd asmdba
   groupadd asmadmin

   useradd -g oinstall -G dba,oper,asmadmin,asmdba oracle

   echo oracle|passwd --stdin oracle

4. CREATE REQUIRED DIRECTORY:

   mkdir  /u01

   chown -R oracle:oinstall /u01
   chmod -R 775 /u01

5. Insert line in /etc/pam.d/login

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 echo session    required     /lib/security/pam_limits.so >>     /etc/pam.d/login

6. Insert line in /etc/security/limits.conf

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  echo oracle soft nproc 2047 >> /etc/security/limits.conf

  echo oracle hard nproc 16384 >> /etc/security/limits.conf

  echo oracle soft nofile 1024 >> /etc/security/limits.conf

  echo oracle hard nofile 65536 >> /etc/security/limits.conf

  Disable secure linux by editing the /etc/selinux/config file and    reboot the system.

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7 .To open the file: vi /etc/selinux/config

 SELINUX=disabled


8. Install linux RPM:
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yum -y install binutils-2.* compat-libstdc33* compat-libstdc33* elfutils-libelf* gcc-4.* gcc-c4.* glibc-2.* glibc-common-2.* glibc-devel-2.* glibc-headers-2.* ksh* libaio-0.* libaio-devel-0.* libgomp-4.* libgcc-4.* libstdc4.* libstdcdevel-4.* make-3.* sysstat-7.* unixODBC-2.* unixODBC-devel-2.* numactl-devel-*



9. EXIT FROM ROOT USER AND LOGIN WITH oracle USER AND RUN runInstaller
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Copy Oracle Setup Directory In Oracle's Home Directory or You Can Paste Anyware.Go to that Setup Directory By Using CD Command And Unzip the files one by one. this will create a database directory.

]$ cd database
]$ ./runInstaller