1、下载oracle11g文件

linux.x64_11gR2_database_1of2.zip 和 linux.x64_11gR2_database_2of2.zip。可以下载到本地再用ftp上传到服务器。

2、创建用户组和oracle用户并分配权限

oracle各用户组

groupadd oinstal
groupadd dba
useradd -g oinstall -g dba -m oracle
groups oracle
passwd oracle

3、创建oracle安装目录并分配权限

mkdir -p /data/oracle
mkdir -p /data/oraIn
mkdir -p /data/database

chown -R oracle:oinstall /data/oracle
chown -R oracle:oinstall /data/oraInventory
chown -R oracle:oinstall /data/database

4、修改centos系统标识

vim /etc/redhat-release 
cat /etc/redhat-release


readhat-7

5、安装oracle依赖环境

yum install binutils-2.* compat-libstdc++-33* elfutils-libelf-0.* elfutils-libelf-devel-* gcc-4.* gcc-c++-4.* glibc-2.* glibc-common-2.* glibc-devel-2.* glibc-headers-2.* ksh-2* libaio-0.* libaio-devel-0.* libgcc-4.* libstdc++-4.* libstdc++-devel-4.* make-3.* sysstat-7.* unixODBC-2.* unixODBC-devel-2.* pdksh*

6、关闭防火墙和selinux

systemctl status firewalld.service              
systemctl stop firewalld.service              
systemctl status firewalld.service 

vim /etc/selinux/config

cat /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

sysctl -p         #执行使参数生效

7、对oracle用户设置限制，提高软件运行性能

su root
vim /etc/security/limits.conf


oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
#加在#End of file 之前

8、配置环境变量

vim /home/oracle/.bash_profile
cat /home/oracle/.bash_profile
# .bash_profile

# Get the aliases and functions
if [ -f ~/.bashrc ]; then
        . ~/.bashrc
fi

# User specific environment and startup programs

PATH=$PATH:$HOME/.local/bin:$HOME/bin

export PATH

export ORACLE_BASE=/data/oracle
export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db_1
export ORACLE_SID=orcl
export ORACLE_TERM=xterm
export PATH=$ORACLE_HOME/bin:/usr/sbin:$PATH
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib
export LANG=C
export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK

source /home/oracle/.bash_profile   #生效

9、解压并安装

unzip linux.x64_11gR2_database_1of2.zip -d /data/database/  #解压文件1
unzip linux.x64_11gR2_database_2of2.zip -d /data/database/  #解压文件2

因为是静默安装所以要配置安装文件

vim /data/database/database/response/db_install.rsp

oracle.install.option=INSTALL_DB_SWONLY          # 安装类型
ORACLE_HOSTNAME=oracle.server                         # 主机名称
UNIX_GROUP_NAME=oinstall                                   # 安装组
INVENTORY_LOCATION=/data/oraInventory                         # INVENTORY目录
SELECTED_LANGUAGES=en,zh_CN                                # 选择语言
ORACLE_HOME=/data/oracle/product/11.2.0/db_1               # oracle_home
ORACLE_BASE=/data/oracle                                   # oracle_base
oracle.install.db.InstallEdition=EE                        # oracle版本
oracle.install.db.DBA_GROUP=dba                            # dba用户组
oracle.install.db.OPER_GROUP=oinstall                      # oper用户组
oracle.install.db.config.starterdb.type=GENERAL_PURPOSE    # 数据库类型
oracle.install.db.config.starterdb.globalDBName=orcl       # globalDBName
oracle.install.db.config.starterdb.SID=orcl                # SID
oracle.install.db.config.starterdb.characterSet=AL32UTF8   # 默认数据库编码
oracle.install.db.config.starterdb.memoryLimit=800         # 自动管理内存的最小内存(M)
oracle.install.db.config.starterdb.password.ALL=oracle     # 设定所有数据库用户使用同一个密码
DECLINE_SECURITY_UPDATES=true                              # 设置安全更新

安装命令

/data/database/database/runInstaller -silent -responseFile /data/database/database/response/db_install.rsp -ignorePrereq

ps:可能会遇到空间不足的情况需要扩容。可以参考

https://www.linuxprobe.com/hyperv-data-centos7.html

使用sqlplus 连接

参考：

https://www.linuxidc.com/Linux/2016-04/130559.htm

https://www.cnblogs.com/yejingcn/p/10278473.html