一文带你手把手CentOS 7安装oracle11g

cd /usr/local
ll

tar -zxvf jdk-linux-x64.tar.gz   #解压安装包
mv jdk1.8.0_131 java   #更改文件夹目录名称

vi /etc/profile    #更改环境变量，在最后添加如下内容

export JAVA_HOME=/usr/local/java
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$JAVA_HOME/bin

source /etc/profile
java -version           #如截图，完成成功

yum -y install kernel-headers* gcc-c++* numactl-devel* glibc-headers* glibc-common* binutils* unixODBC-devel* libaio* make* elfutils-libelf* elfutils-libelf-devel* sysstat* glibc-static* glibc-devel* glibc* elfutils-libelf-devel-static* libaio* gcc* libgcc* libstdc++-static* libaio-devel* libstdc++* libaio-devel* unixODBC* libstdc++-devel* compat-libstdc++* libgcc* libgomp*

yum -y install binutils compat-libcap1 compat-libstdc++-33 compat-libstdc++-33*i686 compat-libstdc++-33*.devel compat-libstdc++-33 compat-libstdc++-33*.devel gcc gcc-c++ glibc glibc*.i686 glibc-devel glibc-devel*.i686 ksh libaio libaio*.i686 libaio-devel libaio-devel*.devel libgcc libgcc*.i686 libstdc++ libstdc++*.i686 libstdc++-devel libstdc++-devel*.devel libXi libXi*.i686 libXtst libXtst*.i686 make sysstat unixODBC unixODBC*.i686 unixODBC-devel unixODBC-devel*.i686

yum -y install dnf  #安装dnf

#升级python并安装软件
yum update python*
yum install dnf-data dnf-plugins-core libdnf-devel libdnf python2-dnf-plugin-migrate dnf-automatic

dnf install tzdata*
dnf install libX*

groupadd oinstall   #创建组
groupadd dba 
useradd -m  -d /home/oracle  -g oinstall -G dba oracle  #创建oracle用户并分配组
passwd oracle  #设置oracle用户密码

vi /etc/sysctl.conf  #修改内核，在最尾部添加如下内容

fs.aio-max-nr = 1048576
fs.file-max = 6815744
kernel.shmall = 2097152
kernel.shmmax = 1200000000
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 9000 65500
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048576

/sbin/sysctl -p

vi  /etc/security/limits.conf #修改用户的限制文件，同样在尾部添加如下内容

oracle           soft    nproc           2047
oracle           hard    nproc           16384
oracle           soft    nofile          1024
oracle           hard    nofile          65536
oracle           soft    stack           10240

vi /etc/pam.d/login     #修改login文件，在尾部添加如下内容

session  required   /lib64/security/pam_limits.so
session  required   pam_limits.so

vi /etc/profile  #环境变量设置，尾部添加如下内容

if [ $USER = "oracle" ]; then
   if [ $SHELL = "/bin/ksh" ]; then
       ulimit -p 16384
       ulimit -n 65536
    else
       ulimit -u 16384 -n 65536
   fi
fi

source /etc/profile

#创建安装目录、修改文件权限
mkdir -p /opt/oracle/product/11.2.0 
mkdir    /opt/oracle/oradata 
mkdir    /opt/oracle/inventory  
mkdir    /opt/oracle/fast_recovery_area
chown -R oracle:oinstall /opt/oracle
chmod -R 775 /opt/oracle

vi /home/oracle/.bashrc   #设置环境oracle变量，在尾部添加如下内容

ORACLE_BASE=/opt/oracle
ORACLE_HOME=$ORACLE_BASE/product/11.2.0
ORACLE_SID=orcl
PATH=$PATH:$ORACLE_HOME/bin
export ORACLE_BASE ORACLE_HOME ORACLE_SID PATH

cd /opt/oracle #上传oracle两个压缩包，可通过Xshell6和MobaXterm或者其他工具上传

yum -y install unzip #安装解压命令

#解压
unzip linux.x64_11gR2_database_1of2.zip
unzip linux.x64_11gR2_database_2of2.zip

#为了方便更改主机名，我对主机名进行了修改
hostnamectl set-hostname c1
su

vi  /opt/oracle/database/response/db_install.rsp   #配置静默安装文件，配置内容如下，耐心配置，一 一对应

oracle.install.option=INSTALL_DB_SWONLY
ORACLE_HOSTNAME=c1
UNIX_GROUP_NAME=oinstall
INVENTORY_LOCATION=/opt/oracle/inventory

SELECTED_LANGUAGES=en,zh_CN
ORACLE_HOME=/opt/oracle/product/11.2.0
ORACLE_BASE=/opt/oracle
oracle.install.db.InstallEdition=EE
oracle.install.db.DBA_GROUP=dba
oracle.install.db.OPER_GROUP=dba
DECLINE_SECURITY_UPDATES=true

su - oracle  #切换到 oracle用户，进行下一步安装

cd /opt/oracle/database/

#安装，耐心等待即可
./runInstaller -silent -ignorePrereq -ignoreSysPrereqs -responseFile  /opt/oracle/database/response/db_install.rsp 

cd /opt/oracle/inventory/ #切换到目录，查看是否有./orainstRoot.sh文件
ll

./orainstRoot.sh  #执行./orainstRoot.sh文件

su  #切换root用户，输入密码（由于之前切换到了oracle用户，所以要切换回root用户才能执行sh脚本）

cd /opt/oracle/product/11.2.0/
ll
./root.sh  #执行./root.sh脚本

su - oracle  #切换到oracle用户,配置监听
export DISPLAY=IP:0.0  #IP为本机地址，export DISPLAY=本机地址:0.0
netca -silent -responseFile  /opt/oracle/database/response/netca.rsp

dbca -silent -responseFile /opt/oracle/database/response/dbca.rsp #建立新库，页面不动之后回车后并输入oracle密码，等待初始化
sqlplus / as sysdba   #验证是否成功

sqlplus / as sysdba
startup

cd /opt/oracle/product/11.2.0/dbs/
ll

cd /opt/oracle/admin/orcl11g/pfile
ll

cp init.ora.2220211118 /opt/oracle/product/11.2.0/dbs/   #根据实际来操作
cd /opt/oracle/product/11.2.0/dbs/
mv init.ora.2220211118 initorcl.ora
su      #切回root
chown oracle:oinstall initorcl.ora

df -h

mount -o remount,size=8.5G /dev/shm/