CentOS75 安装Oracle18c

https://blog.csdn.net/u010257584/article/details/50902472
https://www.cnblogs.com/kerrycode/archive/2013/09/13/3319958.html

rpm -q binutils compat-libcap1 compat-libstdc++-33 gcc gcc-c++ glibc glibc-devel ksh libaio libaio-devel libgcc libstdc++ libstdc++-devel libXext libXtst libX11 libXau libxcb libXi make sysstat

binutils-2.27-27.base.el7.x86_64
compat-libcap1-1.10-7.el7.x86_64
package compat-libstdc++-33 is not installed
gcc-4.8.5-28.el7.x86_64
gcc-c++-4.8.5-28.el7.x86_64
glibc-2.17-222.el7.x86_64
glibc-devel-2.17-222.el7.x86_64
package ksh is not installed
libaio-0.3.109-13.el7.x86_64
package libaio-devel is not installed
libgcc-4.8.5-28.el7.x86_64
libstdc++-4.8.5-28.el7.x86_64
libstdc++-devel-4.8.5-28.el7.x86_64
libXext-1.3.3-3.el7.x86_64
libXtst-1.2.3-1.el7.x86_64
libX11-1.6.5-1.el7.x86_64
libXau-1.0.8-2.1.el7.x86_64
libxcb-1.12-1.el7.x86_64
libXi-1.7.9-1.el7.x86_64
make-3.82-23.el7.x86_64
sysstat-10.1.5-13.el7.x86_64

yum install -y compat-libstdc++-33
yum install -y libaio-devel
yum install -y ksh

vi /etc/sysctl.conf 
添加或修改下面参数

kernel.shmmax = 68719476736
kernel.shmall = 106029312
kernel.shmmni = 4096
kernel.sem =250 32000 100 128
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1262144
net.ipv4.ip_local_port_range =9000 65500
fs.file-max=7065536
fs.aio-max-nr=1048576

oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
oracle soft stack 10240
oracle hard stack 10240

groupadd oinstall
groupadd dba
useradd -g oinstall -G dba oracle
修改密码
passwd oracle
创建oracle主目录
mkdir -p /u01/oracle
修改目录权限
chown -R oracle:oinstall /u01/oracle
chmod -R 775 /u01/oracle

ORACLE_BASE=/u01/oracle; export ORACLE_BASE

ORACLE_HOME=$ORACLE_BASE/product/18.3.0/db_1; export ORACLE_HOME

ORACLE_SID=ora18c; export ORACLE_SID

ORACLE_TERM=xterm; export ORACLE_TERM

PATH=/usr/sbin:$PATH; export PATH

PATH=$ORACLE_HOME/bin:$PATH; export PATH

LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib; export LD_LIBRARY_PATH

CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib; export CLASSPATH

if [ $USER = "oracle" ]; then

if [ $SHELL = "/bin/ksh" ]; then

ulimit -p 16384

ulimit -n 65536

else

ulimit -u 16384 -n 65536

fi

fi

echo $ORACLE_HOME
echo $ORACLE_SID