Oracle安装

[b]1 [color=blue]修改用户的SHELL的限制[/color][/b]
修改/etc/security/limits.conf文件 (设置需要被限制的用户名)
输入命令：vi /etc/security/limits.conf

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

[b]2 [color=blue]linux操作系统的登陆配置文件[/color][/b]
修改/etc/pam.d/login 文件，输入命令：vi  /etc/pam.d/login

session   required    /lib/security/pam_limits.so 
session   required    pam_limits.so

[b]3 [color=blue]配置一些系统信息[/color][/b]
修改linux内核，修改/etc/sysctl.conf文件，输入命令: vi  /etc/sysctl.conf

fs.file-max = 6815744 
fs.aio-max-nr = 1048576 
kernel.shmall = 2097152 
kernel.shmmax = 2147483648 
kernel.shmmni = 4096 
kernel.sem = 250 32000 100 128 
net.ipv4.ip_local_port_range = 9000 65500 
net.core.rmem_default = 4194304 
net.core.rmem_max = 4194304 
net.core.wmem_default = 262144 
net.core.wmem_max = 1048576

要使 /etc/sysctl.conf 更改立即生效，执行以下命令。 输入：sysctl -p

[b]4 [color=blue]创建相关用户和组[/color][/b]
创建用户，输入命令

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

[b]5 [color=blue]创建数据库软件目录和数据文件存放目录[/color][/b]
目录的位置，根据自己的情况来定，注意磁盘空间即可，这里我把其放到oracle用户下,例如：

mkdir /home/oracle/app
mkdir /home/oracle/app/oracle
mkdir /home/oracle/app/oradata
mkdir /home/oracle/app/oracle/product

[b]6 [color=blue]创建数据库软件目录和数据文件存放目录[/color][/b]
输入命令

chown -R oracle:oinstall /home/oracle/app

[b]7 [color=blue]配置oracle用户的环境变量[/color][/b]
输入：su – oracle  ，然后直接在输入 ： vi .bash_profile

umask 022
export LANG=en_US.UTF-8
export ORACLE_BASE=/home/oracle/app
export ORACLE_HOME=$ORACLE_BASE/oracle/product/11.2.0/dbhome_1
export ORACLE_SID=orcl
export PATH=$PATH:$HOME/bin:$ORACLE_HOME/bin
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/usr/lib
export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK

编辑完成后按Esc键，输入“:wq”存盘退出
[b]8 [color=blue]安装oracle[/color][/b]
从官网下载
[url]http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html[/url]
解压

unzip  linux.x64_11gR2_database_1of2.zip 
unzip  linux.x64_11gR2_database_2of2.zip

[b]9 [color=blue]解压完成后 cd 进入其解压后的目录database[/color][/b]

cd  database
./runInstaller 

[b]10 [color=blue]图形化安装[/color][/b]

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