CentOS7安装Oracle11G数据库

CentOS7操作系统安装Oracle11G数据库步骤：

1、创建用户和组

groupadd oinstall
groupadd dba
useradd -g oinstall -g dba -m oracle
passwd oracle
id oracle

Oracle用户密码：nitd***6888

system用户密码：nitd***6888

2、创建目录

mkdir -p /data/oracle　　#oracle数据库安装目录
mkdir -p /data/oraInventory　　#oracle数据库配置文件目录
mkdir -p /data/database　　#oracle数据库软件包解压目录
cd /data
ls　　#创建完毕检查一下
chown -R oracle:oinstall /data/oracle　　#设置目录所有者为oinstall用户组的oracle用户
chown -R oracle:oinstall /data/oraInventory
chown -R oracle:oinstall /data/database

3、修改系统信息

cat /proc/version
cat /etc/redhat-release		#查看redhat-release文件
vi /etc/redhat-release 		#修改redhat-release文件，将类似于 CentOS Linux release 7.2.1511 (Core) 的内容替换为redhat-7
cat /etc/redhat-release 	#看一下是不是真的保存好了

4、安装依赖项

binutils-2.23.52.0.1-12.el7.x86_64 
compat-libcap1-1.10-3.el7.x86_64 
compat-libstdc++-33-3.2.3-71.el7.i686
compat-libstdc++-33-3.2.3-71.el7.x86_64
gcc-4.8.2-3.el7.x86_64 
gcc-c++-4.8.2-3.el7.x86_64 
glibc-2.17-36.el7.i686 
glibc-2.17-36.el7.x86_64 
glibc-devel-2.17-36.el7.i686 
glibc-devel-2.17-36.el7.x86_64
ksh
libaio-0.3.109-9.el7.i686 
libaio-0.3.109-9.el7.x86_64 
libaio-devel-0.3.109-9.el7.i686 
libaio-devel-0.3.109-9.el7.x86_64 
libgcc-4.8.2-3.el7.i686 
libgcc-4.8.2-3.el7.x86_64 
libstdc++-4.8.2-3.el7.i686 
libstdc++-4.8.2-3.el7.x86_64 
libstdc++-devel-4.8.2-3.el7.i686 
libstdc++-devel-4.8.2-3.el7.x86_64 
libXi-1.7.2-1.el7.i686 
libXi-1.7.2-1.el7.x86_64 
libXtst-1.2.2-1.el7.i686 
libXtst-1.2.2-1.el7.x86_64 
make-3.82-19.el7.x86_64 
sysstat-10.1.5-1.el7.x86_64 
示例：
yum install binutils # 安装的软件包名称可以省略后边的版本号

5、设置防火墙

systemctl status firewalld.service　　#查看防火墙状态
systemctl disable firewalld.service　　#禁止使用防火墙
正式服务器建议启用防火墙，设置允许的端口；

6、关闭selinxu

vi /etc/selinux/config  #编辑文件内容如下

# 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 #此处修改为disabled
# SELINUXTYPE= can take one of three two values:
# targeted - Targeted processes are protected,
# minimum - Modification of targeted policy. Only selected processes are protected.
# mls - Multi Level Security protection.
SELINUXTYPE=targeted

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