centos 安装oracle 11g r2（一）-----软件安装

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1、进入管理员权限

[anzerong@localhost ~]# su - root password [root@localhost ~]#

2、创建用户组oinstall

[root@localhost ~]# groupadd oinstall

3、创建用户组dba

[root@localhost ~]# groupadd dba

4、创建oracle用户，并加入到oinstall和dba用户组

[root@localhost ~]# useradd -g oinstall -g dba -m oracle

5、设置用户oracle的登陆密码，不设置密码，在CentOS的图形登陆界面没法登陆

[root@localhost ~]# passwd oracle Changing password for user oracle. New password: # 密码 BAD PASSWORD: The password is shorter than 8 characters Retype new password: # 再次输入密码 passwd: all authentication tokens updated successfully.

6、查看新建的oracle用户

[root@localhost ~]# id oracle uid=1001(oracle) gid=1002(dba) groups=1002(dba)

7、进入根目录

[root@localhost ~]# cd /.

8、创建oracle数据库安装目录

[root@localhost /]# mkdir -p /data/oracle

9、创建oracle数据库配置文件目录

[root@localhost /]# mkdir -p /data/oraInventory

10、创建oracle数据库软件包解压目录

[root@localhost /]# mkdir -p /data/database

11、创建完后检查一下

[root@localhost /]# cd /data [root@localhost data]# ls database oracle oraInventory

12、设置目录所有者为oinstall用户组的oracle用户

[root@localhost data]# chown -R oracle:oinstall /data/oracle [root@localhost data]# chown -R oracle:oinstall /data/oraInventory [root@localhost data]# chown -R oracle:oinstall /data/database

13、修改OS系统标识（oracle默认不支持CentOS系统安装，但是centos与redhat的关系自行百度）

[root@localhost data]# cat /proc/version Linux version 3.10.0-514.26.2.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-11) (GCC) ) #1 SMP Tue Jul 4 15:04:05 UTC 2017 [root@localhost data]# cat /etc/redhat-release CentOS Linux release 7.3.1611 (Core) [root@localhost data]# vi /etc/redhat-release [root@localhost data]# cat /etc/redhat-release redhat-7

14、安装oracle数据库所需要的软件包

[root@localhost data]# yum install binutils compat-libcap1 gcc gcc-c++ glibc glibc-devel ksh libaio libaio-devel libgcc libstdc++ libstdc++-devel libXi libXtst make sysstat unixODBC unixODBC-devel glibc elfutils-libelf-devel compat*

15、查看防火墙状态（运行中）

[root@localhost data]# systemctl status firewalld.service ● firewalld.service - firewalld - dynamic firewall daemon Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled) Active: active (running) since Wed 2017-09-13 09:23:08 CST; 25min ago Docs: man:firewalld(1) Main PID: 641 (firewalld) CGroup: /system.slice/firewalld.service └─641 /usr/bin/python -Es /usr/sbin/firewalld --nofork --nopidSep 13 09:22:58 localhost.localdomain systemd[1]: Starting firewalld - dynami... Sep 13 09:23:08 localhost.localdomain systemd[1]: Started firewalld - dynamic... Hint: Some lines were ellipsized, use -l to show in full.

16、关闭防火墙

[root@localhost data]# systemctl stop firewalld.service

17、查看防火墙状态（已关闭）

[root@localhost data]# systemctl status firewalld.service ● firewalld.service - firewalld - dynamic firewall daemon Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled) Active: inactive (dead) since Wed 2017-09-13 09:48:55 CST; 10s ago Docs: man:firewalld(1) Process: 641 ExecStart=/usr/sbin/firewalld --nofork --nopid $FIREWALLD_ARGS (code=exited, status=0/SUCCESS) Main PID: 641 (code=exited, status=0/SUCCESS)Sep 13 09:22:58 localhost.localdomain systemd[1]: Starting firewalld - dynami... Sep 13 09:23:08 localhost.localdomain systemd[1]: Started firewalld - dynamic... Sep 13 09:48:54 localhost.localdomain systemd[1]: Stopping firewalld - dynami... Sep 13 09:48:55 localhost.localdomain systemd[1]: Stopped firewalld - dynamic... Hint: Some lines were ellipsized, use -l to show in full.

18、禁止使用防火墙（重启也是禁止的）

[root@localhost data]# systemctl disable firewalld.service Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service. Removed symlink /etc/systemd/system/basic.target.wants/firewalld.service.

19、关闭selinux（需重启生效）

[root@localhost data]# vi /etc/selinux/config [root@localhost data]# cat /etc/selinux/config

/etc/selinux/config 最终文档为：

# 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

20、修改内核参数（加入斜体部分）

[root@local++host data]# vi /etc/sysctl.conf [root@localhost data]# cat /etc/sysctl.conf

# sysctl settings are defined through files in

# /usr/lib/sysctl.d/, /run/sysctl.d/, and /etc/sysctl.d/.

#

# Vendors settings live in /usr/lib/sysctl.d/.

# To override a whole file, create a new file with the same in

# /etc/sysctl.d/ and put new settings there. To override

# only specific settings, add a file with a lexically later

# name in /etc/sysctl.d/ and put new settings there.

#

# For more information, see sysctl.conf(5) and sysctl.d(5).

net.ipv4.icmp_echo_ignore_broadcasts = 1

net.ipv4.conf.all.rp_filter = 1

fs.file-max = 6815744 #设置最大打开文件数

fs.aio-max-nr = 1048576

kernel.shmall = 2097152 #共享内存的总量，8G内存设置：2097152*4k/1024/1024

kernel.shmmax = 2147483648 #最大共享内存的段大小

kernel.shmmni = 4096 #整个系统共享内存端的最大数

kernel.sem = 250 32000 100 128

net.ipv4.ip_local_port_range = 9000 65500 #可使用的IPv4端口范围

net.core.rmem_default = 262144

net.core.rmem_max= 4194304

net.core.wmem_default= 262144

net.core.wmem_max= 1048576

21、使配置修改内核的参数生效

[root@localhost data]# sysctl -p

net.ipv4.icmp_echo_ignore_broadcasts = 1

net.ipv4.conf.all.rp_filter = 1

sysctl: setting key "fs.file-max": Invalid argument

fs.file-max = 6815744 #设置最大打开文件数

fs.aio-max-nr = 1048576

sysctl: setting key "kernel.shmall": Invalid argument

kernel.shmall = 2097152 #共享内存的总量，8G内存设置：2097152*4k/1024/1024

sysctl: setting key "kernel.shmmax": Invalid argument

kernel.shmmax = 2147483648 #最大共享内存的段大小

sysctl: setting key "kernel.shmmni": Invalid argument

kernel.shmmni = 4096 #整个系统共享内存端的最大数

kernel.sem = 250 32000 100 128

sysctl: setting key "net.ipv4.ip_local_port_range": Invalid argument

net.ipv4.ip_local_port_range = 9000 65500 #可使用的IPv4端口范围

net.core.rmem_default = 262144

net.core.rmem_max = 4194304

net.core.wmem_default = 262144

net.core.wmem_max = 1048576

22、对oracle用户设置限制，提高软件运行性能（斜体为添加部分）

[root@localhost data]# vi /etc/security/limits.conf [root@localhost data]# cat /etc/security/limits.conf

# /etc/security/limits.conf

#

#This file sets the resource limits for the users logged in via PAM.

#It does not affect resource limits of the system services.

#

#Also note that configuration files in /etc/security/limits.d directory,

#which are read in alphabetical order, override the settings in this

#file in case the domain is the same or more specific.

#That means for example that setting a limit for wildcard domain here

#can be overriden with a wildcard setting in a config file in the

#subdirectory, but a user specific setting here can be overriden only

#with a user specific setting in the subdirectory.

#

#Each line describes a limit for a user in the form:

#

#

#

#Where:

# can be:

# - a user name

# - a group name, with @group syntax

# - the wildcard *, for default entry

# - the wildcard %, can be also used with %group syntax,

# for maxlogin limit

#

# can have the two values:

# - "soft" for enforcing the soft limits

# - "hard" for enforcing hard limits

#

# can be one of the following:

# - core - limits the core file size (KB)

# - data - max data size (KB)

# - fsize - maximum filesize (KB)

# - memlock - max locked-in-memory address space (KB)

# - nofile - max number of open file descriptors

# - rss - max resident set size (KB)

# - stack - max stack size (KB)

# - cpu - max CPU time (MIN)

# - nproc - max number of processes

# - as - address space limit (KB)

# - maxlogins - max number of logins for this user

# - maxsyslogins - max number of logins on the system

# - priority - the priority to run user process with

# - locks - max number of file locks the user can hold

# - sigpending - max number of pending signals

# - msgqueue - max memory used by POSIX message queues (bytes)

# - nice - max nice priority allowed to raise to values: [-20, 19]

# - rtprio - max realtime priority

#

#

#
#* soft core 0

#* hard rss 10000

#@student hard nproc 20

#@faculty soft nproc 20

#@faculty hard nproc 50

#ftp hard nproc 0

#@student - maxlogins 4
oracle soft nproc 2047

oracle hard nproc 16384

oracle soft nofile 1024

oracle hard nofile 65536
# End of file

23、配置用户的环境变量（斜体部分为添加代码）

[root@localhost data]# vi /home/oracle/.bash_profile [root@localhost data]# 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 #oracle数据库安装目录

export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db_1 #oracle数据库路径

export ORACLE_SID=orcl #oracle启动数据库实例名

export ORACLE_TERM=xterm #xterm窗口模式安装

export PATH=$ORACLE_HOME/bin:/usr/sbin:$PATH #添加系统环境变量

export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib #添加系统环境变量

export LANG=C #防止安装过程出现乱码

export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK #设置Oracle客户端字符集，必须与Oracle安装时设置的字符集保持一致

24、使用户的环境变量配置立即生效

[root@localhost data]# source /home/oracle/.bash_profile

25、将安装包移动到/usr/local/src路径下

[root@localhost ~]# cd /. [root@localhost /]# cd /home/anzerong/Desktop/ [root@localhost Desktop]# ls linux.x64_11gR2_database_1of2.zip linux.x64_11gR2_database_2of2.zip [root@localhost Desktop]# mv linux.x64_11gR2_database_1of2.zip /usr/local/src [root@localhost Desktop]# ls linux.x64_11gR2_database_2of2.zip [root@localhost Desktop]# mv linux.x64_11gR2_database_2of2.zip /usr/local/src

26、重启系统，确保所有设置生效

[root@localhost Desktop]# reboot

27、从oracle用户进入/usr/local/src目录

[oracle@localhost /]$ cd /usr/local/src [oracle@localhost src]$ ls linux.x64_11gR2_database_1of2.zip linux.x64_11gR2_database_2of2.zip

28、解压两个软件包至/data/database/目录下

[oracle@localhost src]$ unzip linux.x64_11gR2_database_1of2.zip -d /data/database/#解压 (省略...) [oracle@localhost src]$ unzip linux.x64_11gR2_database_2of2.zip -d /data/database/#解压 (省略...)

29、进入管理员权限

[oracle@localhost src]$ su root Password:

30、设置目录所有者为oinstall用户组的oracle用户

[root@localhost src]# chown -R oracle:oinstall /data/database/database/

31、执行安装脚本

[oracle@localhost /]$ cd /data/database/database/ [oracle@localhost database]$ ls doc install response rpm runInstaller sshsetup stage welcome.html [oracle@localhost database]$ ./runInstaller Starting Oracle Universal Installer... (省略...)

oracle图形化安装界面打开

32、++Configure Security Updates++

去掉 I wish to receive security updates via My Oracle Support.

点击 “Nest >”

33、++Installation Option++

选择第二项 Install database software only

点击 “Nest >”

34、++Grid Options++

选择单例模式 Single instance database installation

点击 “Nest >”

35、++Product Languages++

选择英语 English（根据系统默认选择好了）

点击 “Nest >”

36、++Database Edition++

选择第一个企业版

37、++Installation Location++

确定数据软件的安装路径，自动读取前面Oracle环境变量中配置的值

点击 “Nest >”

38、++Create Inventory++

选择默认，不做修改

点击 “Nest >”

39、++Operation System Groups++

全部使用dba用户组

点击 “Nest >”

40、++Prepequisite Checks++

按照提示信息一个一个解决

点击 “Nest >”

PS：pdksh安装

1、卸载已安装的ksh

[root@localhost Desktop]# rpm -e pdksh* [root@localhost Desktop]# rpm -e ksh*

2、下载pdksh-5.2.14-21.x86_64.rpm

3、安装

[root@localhost Desktop]# rpm -ivh pdksh-5.2.14-21.x86_64.rpm --force --nodeps

按提示解决缺少的依赖包，之后点击 “Check Again”

可以忽略缺少的32bit依赖包

41、++Summary++

点击 “Finsh”

42、++Install Product++

在此过程中，安装界面会变成黑色，有一长条出现（其实是一个提示框），调整高度与宽度查看，

或者可以直接右键选择close

43、++Finish++

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

centos 安装oracle 11g r2（二）-----监听配置与创建数据库实例

http://www.cnblogs.com/anzerong2012/p/7940850.html

centos 安装oracle 11g r2（三）-----表空间创建

http://www.cnblogs.com/anzerong2012/p/7941179.html