Rocky8.9 安装Oracle 12C —02—安装Oracle—前期准备

前期准备：
关闭防火墙 selinux
systemctl stop firewalld
systemctl disable firewalld


setenforce 0
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config


安装依赖:
yum -y install binutils
yum -y install gcc
yum -y install gcc-c++
yum -y install glibc
yum -y install glibc.i686
yum -y install glibc-devel
yum -y install glibc-devel.i686
yum -y install ksh
yum -y install libgcc
yum -y install libgcc.i686
yum -y install libstdc++
yum -y install libstdc++.i686
yum -y install libstdc++-devel
yum -y install libstdc++-devel.i686
yum -y install libaio
yum -y install libaio.i686
yum -y install libaio-devel
yum -y install libaio-devel.i686
yum -y install libXext
yum -y install libXext.i686
yum -y install libX11
yum -y install libX11.i686
yum -y install libxcb
yum -y install libxcb.i686
yum -y install libXi
yum -y install libXi.i686
yum -y install make sysstat
yum -y install libnsl.x86_64

创建用户组：
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
groupadd -g 54330 racdba


创建oracle用户：
useradd -g oinstall -G oper,dba,backupdba,dgdba,kmdba,asmdba,asmoper,asmadmin,racdba -p `openssl passwd -1 "oracle"` -d /home/oracle oracle


创建安装目录：
mkdir -p /orcl/app/oracle/product/12.1.0/db_1
chown -R oracle:oinstall /orcl/app
chmod -R 775 /orcl/app


修改内核参数：
vi /etc/sysctl.conf
#加在最后面
fs.aio-max-nr = 1048576
fs.file-max = 6815744
kernel.shmall = 2097152
kernel.shmmax = 1200000000
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


修改文件限制：
vi /etc/security/limits.conf
#加在最后面
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
oracle soft stack 10240
#############
echo "session required /lib64/security/pam_limits.so
session required pam_limits.so" >> /etc/pam.d/login


vi /etc/profile
if [ $USER = "oracle" ]; then
    if [ $SHELL = "/bin/ksh" ]; then
        ulimit -p 16384
        ulimit -n 65536
    else
        ulimit -u 16384 -n 65536
    fi
fi
##保存退出
source /etc/profile

修改环境变量：
vi ~oracle/.bash_profile
##加在最后面
ORACLE_BASE=/orcl/app/oracle
ORACLE_HOME=$ORACLE_BASE/product/12.1.0/db_1
ORACLE_SID=orcl
export ORACLE_BASE ORACLE_HOME ORACLE_SID
PATH=$ORACLE_HOME/bin:$PATH
export PATH
#######前期准备完成########