CentOS7下Oracle19c rpm安装过程

一. 环境配置

​虚拟机安装建议分2G内存，30G硬盘。

关闭防火墙（或放行相关端口）

Systemctl stop firewalldsystemctl disable firewalld

关闭selinux

修改SELINUX=disabled

vi /etc/selinux/config

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#     enforcing - SELinux securITy policy is enforced.
#     PErmissive - SELinux prints warnings instead of enforcing.
#     disabled - No SELinux policy is loaded.
SELINUX=disabled
# SELINUXTYPE= can take one of three values:
#     targeted - Targeted processes are protected,
#     minimum - Modification of targeted policy. Only selected processes are protected.
#     MLs - Multi Level Security protection.
SELINUXTYPE=targeted

重启

reboot

将oracle-database-ee-19c-1.0-1.x86_64.rpm和oracle-database-preinstall-19c-1.0-1.el7.x86_64.rpm上传到/opt下

二. 依赖安装

安装oracle-database-preinstall-19c-1.0-1.el7.x86_64.rpm

yum -y localinstall /opt/oracle-database-preinstall-19c-1.0-1.el7.x86_64.rpm

三. 安装配置Oracle 19c

安装Oracle 19c

yum -y localinstall /opt/oracle-database-ee-19c-1.0-1.x86_64.rpm

初始化Oracle数据库（时间较长）

/etc/init.d/oracledb_ORCLCDB-19c configure

配置环境变量

却换到oracle用户

su - oracle

添加环境变量

vi /home/oracle/.bash_profile

# .bash_profile# Get the aliases and functionsif [ -f ~/.bashrc ];
     then        . ~/.bashrcfi# User specific environment and startup programsPATH=$PATH:$HOME/.local/bin:$HOME/binexport PATHexport ORACLE_HOME=/opt/oracle/product/19c/dbhome_1export PATH=$PATH:/opt/oracle/product/19c/dbhome_1/binexport ORACLE_SID=ORCLCDB

使环境变量生效

source /home/oracle/.bash_profile

登陆数据库

SQLplus / as sysdba

修改system密码为123456

alter user system identified by 123456;

退出数据库

exit;

四. 设置数据库监听自启动

修改/etc/oratab文件N为Y

vi /etc/oratab

# This file is used by ORACLE utilities.  It is created by root.sh
# and updated by either Database Configuration Assistant while creating
# a database or ASM Configuration Assistant while creating ASM instance.

# A colon, ':', is used as the field terminator.  A new line terminates
# the entry.  Lines beginning with a pound sign, '#', are comments.
#
# Entries are of the form:
#   $ORACLE_SID:$ORACLE_HOME:N|Y> :
#
# The First and second fields are the system identifier and home
# directory of the database respectively.  The third field indicates
# to the dbstart utility that the database should , "Y", or should not,
# "N", be brought up at system boot time.
#
# Multiple entries with the same $ORACLE_SID are not Allowed.
#
#
ORCLCDB:/opt/oracle/product/19c/dbhome_1:Y

在/etc/rc.local中添加需执行的命令

su root # 却换为root用户
vi /etc/rc.local

#!/bin/bash# THIS FILE IS ADDED FOR COMPATIBILITY PURPOSES## It is highly advisable to create own systemd services or udev rules# to run scripts during boot instead of using this file.## In contrast to previous versions due to parallel execution during boot# this script will NOT be run after all other services.## Please note that you must run 'chmod +x /etc/rc.d/rc.local' to ensure# that this script will be executed during boot.touch /VAR/lock/subsys/localsu - oracle -c 'lsnrctl start'su - oracle -c 'dbstart'

修改$ORACLE_HOME/bin/dbstart文件，修改ORACLE_HOME_LISTNER=$ORACLE_HOME

vi $ORACLE_HOME/bin/dbstart

$ORACLE_HOME/bin/dbstart 文件局部

...#####################################LOGMSG="logger -puser.alert -s "trap 'exit' 1 2 3# for script tracingcase $ORACLE_TRACE in  T) set -x ;
    ;
esac# Set path if path not set (if called From /etc/rc)SAVE_PATH=/bin:/usr/bin:/etc:${
PATH}
     ;
     export PATHSAVE_LLP=$LD_LIBRARY_PATH# First argument is used to bring up Oracle Net ListenerORACLE_HOME_LISTNER=$ORACLE_HOMEif [ ! $ORACLE_HOME_LISTNER ];
     then  echo "Since ORACLE_HOME is not set, cannot auto-start Oracle Net Listener."  echo "usage: $0 ORACLE_HOME"else...

设置CentOS7，8开机执行/etc/rc.local文件（CentOS7，8开机不执行/etc/rc.local文件）

给 /etc/rc.d/rc.local 添加 可执行权限

chmod a+x /etc/rc.d/rc.local

将 rc-local 服务设置成开机启动（默认状态是 static，会被其他service服务调用执行。不过还是修改一下，以防那个服务被停用就牵连了）

systemctl enable rc-local

重启，用sqldeveloper链接，验证是否成功

reboot

删除/opt下oracle-database-ee-19c-1.0-1.x86_64.rpm和oracle-database-preinstall-19c-1.0-1.el7.x86_64.rpm

rm /opt/oracle-database-ee-19c-1.0-1.x86_64.rpm /opt/oracle-database-preinstall-19c-1.0-1.el7.x86_64.rpm

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