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RHEL6安装Oracle 11gR2

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1 安装Oracle数据库软件1) 检查基本需求(mem:1024M,swap:mem*1.5.可以跳过)内存大小grep MemTotal /proc/meminfo交换分区大小g

1 安装Oracle数据库软件
1) 检查基本需求(mem:1024M,swap:mem*1.5.可以跳过)
内存大小
grep MemTotal /proc/meminfo
交换分区大小
grep SwapTotal /proc/meminfo
增加交换分区
创建/home/swap这么一个分区文件。文件的大小是5120000个block,一般情况下1个block为1K,所以这里空间是5G。
dd if=/dev/zero of=/home/swap bs=1024 count=5120000
接着再把这个分区变成swap分区。
mkswap /home/swap
然后把它加到fstab里面
echo “/home/swap swap swap defaults 0 0″ >> /etc/fstab

2) 检查软件需求
rpm -q binutils compat-libstdc++-33 elfutils-libelf elfutils-libelf-devel glibc glibc-common glibc-devel gcc- gcc-c++ libaio-devel libaio libgcc libstdc++ libstdc++-devel make sysstat unixODBC unixODBC-devel pdksh

没有安装的软件包可以从系统光盘中找到安装也可以yum install安装
pdksh
i386 pdksh-5.2.14-937.1.i586.rpm
x64 pdksh-5.2.14-937.1.x86_64.rpm

Linux公社本地下载地址:

免费下载地址在

用户名与密码都是

具体下载目录在 /pub/2011/09/30/RHEL6安装Oracle 11gR2/

需要注意的是在安装libaio-devel unixODBC unixODBC-devel 这3个软件包的时候,除了安装X64的包以为,还要安装i386的包,,不能因为是X64的系统,就不装i386的包了。

3) 配置内核
vim /etc/sysctl.conf

# Kernel Paramaters Required by Oracle 11gR2
kernel.shmmax = 4294967295
kernel.shmall = 268435456
kernel.sem = 250 32000 100 128
fs.file-max = 6815744
fs.aio-max-nr = 1048576
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

执行sysctl -p更改立即生效

4) 创建操作系统用户,作为软件安装和支持组的拥有者。
groupadd dba
useradd -g dba oracle
passwd oracle

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

5) 为创建的oracle用户设定资源限制(利用PAM)
vim /etc/security/limits.conf

# Paramaters Required by Oracle 11gR2
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536

为使限制生效
vim /etc/pam.d/login

# Required by Oracle 11gR2
session required /lib/security/pam_limits.so
session required pam_limits.so
注意:如果是X64的系统,那么这里就要用 /lib64/security/pam_limits.so,不然系统可能会在服务器上无法登录!

linux

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