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超详细的Oracle19c安装步骤

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DBA数据库管理必备认证:ORACLE OCP 19C(最新版本)

ORACLE OCP 19C官方教材下载:https://download.csdn.net/download/XMWS_IT/19927549

1.安装前环境配置

基本信息

OS DB hostname DB name IP
Redhat7.6 Oracle 19C Oracle19C weisi 192.168.2.100

 

配置/etc/hosts

[root@ocp /]#
echo '192.168.2.100 Oracle19C' >> /etc/hosts

关闭防火墙和Selinux

systemctl stop firewalld.service
systemctl disable firewalld.service
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/sysconfig/selinux

配置系统参数

echo kernel.shmmni=4096                         >> /etc/sysctl.conf
echo kernel.sem=250 32000 100 128                >> /etc/sysctl.conf
echo fs.file-max=6815744                         >> /etc/sysctl.conf
echo fs.aio-max-nr=1048576                      >> /etc/sysctl.conf
echo net.ipv4.ip_local_port_range=9000 65500        >> /etc/sysctl.conf
echo net.core.rmem_default=262144                >> /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 kernel.shmmax=2023478784                             >> /etc/sysctl.conf
echo kernel.shmall=52780232                                          >> /etc/sysctl.conf


echo 'session required /lib64/security/pam_limits.so'  >>/etc/pam.d/login
echo 'session required pam_limits.so'                               >>/etc/pam.d/login


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 'oracle  soft  stack   10240'   >> /etc/security/limits.conf
echo 'oracle  hard  stack   32768'   >> /etc/security/limits.conf

[root@ocp /]#sysctl -p

创建用户oracle用户和组

groupadd oinstall 
groupadd dba 
groupadd oper 
useradd -g oinstall -G dba,oper oracle
echo "1qaz2wsx." | passwd --stdin oracle

创建安装目录

mkdir -p /u01/app
mkdir -p /u01/app/oracle
mkdir -p /u01/app/oracle/product/19.3/dbhome_1
chown -R oracle:oinstall /u01/app
chmod -R 775 /u01/app

配置本地yum

[root@ocp /]# cd /etc/yum.repos.d
[root@ocp /]#rm -f /etc/yum.repos.d/*.repo


echo [Local]                       >>Local.repo
echo name=Local Yum              >>Local.repo
echo baseurl=file:///tmp/redhat7iso  >>Local.repo
echo gpgcheck=0                  >>Local.repo
echo enabled=1                    >>Local.repo
echo gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release  >>Local.repo


[root@ocp /]#yum clean all
[root@ocp /]#yum list

配置oracle 用户环境变量

[root@ocp yum.repos.d]# su – oracle

echo umask 022  >>/home/oracle/.bash_profile
echo ORACLE_BASE=/u01/app/oracle    >>/home/oracle/.bash_profile     
echo 'ORACLE_HOME=/u01/app/oracle/product/19.3/dbhome_1'  >>/home/oracle/.bash_profile
echo ORACLE_SID=weisi >>/home/oracle/.bash_profile
echo 'PATH=$PATH:$HOME/.local/bin:$HOME/bin:$ORACLE_HOME/bin'  >>/home/oracle/.bash_profile
echo 'export PATH ORACLE_BASE ORACLE_HOME ORACLE_SID' >>/home/oracle/.bash_profile


[oracle@ocp ~]$ source /home/oracle/.bash_profile

2.安装数据库软件

[oracle@OracleTraining ~]$ mkdir /u01/app/soft
数据库软件已经上传到/u01/app/soft 并解压到当前目录
[oracle@Oracle19C ~]$ su – root
[root@Oracle19C ~]# chown oracle:oinstall /u01/app/soft/LINUX.X64_193000_db_home.zip
[oracle@Oracle19C ~]$ su – oracle
[oracle@ocp ~]$ cd /u01/app/soft
[oracle@ocp]$ unzip LINUX.X64_193000_db_home.zip -d /u01/app/oracle/product/19.3/dbhome_1
[oracle@ocp]$cd /u01/app/oracle/product/19.3/dbhome_1
[oracle@ocp database]$export DISPLAY=192.168.1.20:0.0
[oracle@ocp database]$export
[oracle@ocp database]$./runInstaller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

root用户,使用yum 工具安装缺少的包
[root@ocp Packages]# cd /tmp/redhat7iso/Packages
yum -y install compat-libcap1-1*
yum -y install compat-libstdc++
yum -y install libstdc++-devel.x86_64
yum -y install gcc-c++*
yum -y install ksh
yum -y install libaio-devel
将compat-libstdc++-33-3.2.3-72.el7.x86_64.rpm 上传到/tmp 目录
cd /tmp
rpm -ivh compat-libstdc++-33-3.2.3-72.el7.x86_64.rpm

 

 

 

 

 

 

3.创建数据库

[oracle@ocp ~]$export DISPLAY=192.168.1.2:0.0
[oracle@ocp ~]$ dbca

 

 

 

 

 

 

 

4.基础命令

登入数据库: sqlplus / as sysdba

查看当前数据库show con_name

查看PDB信息

  col pdb_name format a20
       col status format a20
select pdb_id,pdb_name,dbid,status,creation_scn from dba_pdbs;
    或者 show pdbs

查看当前环境

SELECT SYS_CONTEXT('USERENV','CON_NAME') FROM dual;

容器切换

alter session set container=weisipdb;
 alter session set container=CDB$ROOT;

关闭数据库

Shutdown immediate;

启动数据库

  startup

 

5.完全卸载oracle

rm -f  /etc/oratab
rm -f  /etc/oraInst.loc
rm -rf  $ORACLE_BASE
rm -rf /u01/app/oraInventory


end

 

https://zhuanlan.zhihu.com/p/399414349

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