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書名： Oracle Database XE 11gR2 Jump Start Guide
作者名： Asif Momen
本章字數： 431字
更新時間： 2021-08-13 18:28:11

Installing Oracle Database 11g XE on Oracle Enterprise Linux (64-bit)

Before we begin installing Oracle Database XE in Linux, we need to prepare the environment by installing the required packages, setting kernel parameters, and so on.

To begin, make sure that the following Linux packages are installed. To verify that the following Linux packages are installed use the rpm —qa <package name> command:

kernel-headers-2.6.18-194.el5.x86_64.rpm
glibc-2.5-49.x86_64.rpm
make-3.81-3.el5.x86_64.rpm
binutils-2.17.50.0.6-14.el5.x86_64.rpm
glibc-devel-2.5-49.x86_64.rpm
glibc-headers-2.5-49.x86_64.rpm
libgomp-4.4.0-6.el5.x86_64.rpm
gcc-4.1.2-48.el5.x86_64.rpm
libaio-0.3.106-5.x86_64.rpm

The parameters that need to be included in the sysctl.conf file under /etc are as follows. These changes are to be made by logging in as the root user:

kernel.semmsl=250
kernel.semmns=32000
kernel.semopm=100
kernel.semmni=128
kernel.shmmax=4294967295
kernel.shmmni=4096
kernel.shmall=2097152
kernel.sem= 250 32000 100 128
fs.file-max= 6815744
net.ipv4.ip_local_port_range=9000 65500

We are now ready to start the Oracle Database XE installation. However, it is recommended to complete the following steps for creating a Linux user oracle:

Create new groups and the oracle user as shown in the following code snippet, by logging in as the root user:
```
groupadd oinstall
groupadd dba
useradd -g oinstall -G dba,oper,asmadmin oracle
passwd oracle
```

# Oracle instance name
ORACLE_SID=XE; export ORACLE_SID;
# Oracle home directory
ORACLE_HOME=/u01/app/oracle/product/11.2.0/xe; export ORACLE_HOME;
# Search path for executable
PATH=$ORACLE_HOME/bin:$PATH; export PATH;
# Search path for shared libraries
LD_LIBRARY_PATH=$ORACLE_HOME/lib:$LD_LIBRARY_PATH; export LD_LIBRARY_PATH

Copy the downloaded software to a temporary folder, say /u01/software, and run the following command as the root user to install Oracle Database XE, as shown in the following screenshot:
Run /etc/init.d/oracle-xe configure as the root user to configure the database. You will be prompted to select the HTTP port for Oracle Application Express, database listener port, SYS and SYSTEM user password, and the boot option. It is recommended to accept the default values and continue with the configuration of the database as shown in the following screenshot:

Installing Oracle Database 11g XE on Oracle Enterprise Linux (64-bit)

To access the database's home page go to Applications menu | Oracle Database 11g Express Edition | Get Started.

Starting and stopping Oracle Database XE in Linux

After you have installed Oracle Database XE, the database is up and running and you can begin using it right away.

To stop the running database, go to Applications menu | Oracle Database 11g Express Edition | Stop Database.

Similarly to start the database, go to Applications menu | Oracle Database 11g Express Edition | Start Database.

Alternatively, we can start the database manually by running the following command as the root user:

# /etc/init.d/oracle-xe start

To manually stop the database, run the following command as the root user:

# /etc/init.d/oracle-xe stop

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Oracle Database XE 11gR2 Jump Start Guide

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