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shell 一键配置单实例oracle基础环境变量（linux7）

2020年01月13日  | 移动技术网IT编程  | 我要评论 
#!/bin/bash
echo "修改主机名"
hostnamectl set-hostname wangxfa
hostname
sleep 1
echo "查看并关闭防火墙"
systemctl status firewalld
systemctl stop firewalld
systemctl disable firewalld
systemctl status firewalld
sleep 1

echo "禁用selinux"
sed -i "s/selinux=enforcing/selinux=disabled/g" /etc/selinux/config


#add user and group
echo "创建安装oracle所需的用户和组"
groupadd -g 1030 oinstall
groupadd -g 1031 dba
useradd -u 54321 -g oinstall -g dba oracle
echo "oracle" | passwd --stdin "oracle"


echo "创建oracle相关目录"
sleep 1
mkdir –p /u01/app/oracle/product/11.2.0
chmod -r 775 /u01
chown -r oracle:oinstall /u01

echo "备份并修改/etc/securitylimits.conf"
sleep 1
cp /etc/security/limits.conf /etc/security/limits_bake.conf 
echo "oracle soft nproc 2047" >>/etc/security/limits.conf
echo "oracle hard nproc 16384" >>/etc/security/limits.conf
echo "oracle soft nofile 1024" >>/etc/security/limits.conf
echo "oracle hard nofile 65536" >>/etc/security/limits.conf


echo "备份并修改/etc/sysctl.conf文件"
sleep 1
cp /etc/sysctl.conf /etc/sysctl_bak.conf
echo "fs.file-max = 6815744" >>/etc/sysctl.conf
echo "fs.aio-max-nr = 1048576" >>/etc/sysctl.conf
echo "kernel.shmall = ‭1677721" >>/etc/sysctl.conf （注：此处需要根据shmmax大小来计算，shmmax/pagesize 则计算为 ‭6871947673/4k=‭1677721） 
echo "kernel.shmmax = 6871947673" >>/etc/sysctl.conf （注：此处需要根据实际内存大小来计算，加入内存大小为8g，将内存的80%用于数据库，计算方法：1024*1024*1024*8*08=‭‭6871947673‬） 
echo "kernel.shmmni = 4096" >>/etc/sysctl.conf echo "kernel.sem = 250 32000 100 128" >>/etc/sysctl.conf 
echo "net.ipv4.ip_local_port_range = 9000 65500" >>/etc/sysctl.conf 
echo "net.core.rmem_default = 4194304" >>/etc/sysctl.conf 
echo "net.core.rmem_max = 4194304" >>/etc/sysctl.conf 
echo "net.core.wmem_default = 262144" >>/etc/sysctl.conf 
echo "net.core.wmem_max = 1048576" >>/etc/sysctl.conf

echo "使sysctl.conf立即生效" 
sysctl -p 
sleep 1

echo "备份并修改/etc/profile文件" 
cp /etc/profile /etc/profile_bak echo "if [ \$user = \"oracle\" ]; then" >>/etc/profile 
echo "if [ \$shell = \"/bin/ksh\" ]; then" >>/etc/profile 
echo "ulimit -p 16384" >>/etc/profile 
echo "ulimit -n 65536" >>/etc/profile 
echo "else " >>/etc/profile 
echo "ulimit -u 16384 -n 65536" >>/etc/profile echo "fi" >>/etc/profile 
echo "fi" >>/etc/profile


echo "设置oracle用户环境变量" 
su - oracle 
cp /home/oracle/.bash_profile /home/oracle/.bash_profile_bak 
echo "export oracle_base=/u01/app/oracle" >>/home/oracle/.bash_profile 
echo "export oracle_home=$oracle_base/product/11.2.0" >>/home/oracle/.bash_profile 
echo "export path=$oracle_home/bin:$oracle_home/bin:$path" >>/home/oracle/.bash_profile 
echo "export ld_library_path=$oracle_home/lib" >>/home/oracle/.bash_profile 
echo "#export oracle_sid=hisdb1" >>/home/oracle/.bash_profile 
echo "export nls_lang=american_america.zhs16gbk" >>/home/oracle/.bash_profile 
echo "export editor=vi" >>/home/oracle/.bash_profile 
echo "set -o vi" >>/home/oracle/.bash_profile 
echo "umask 022" >>/home/oracle/.bash_profile
　　

　　

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