linux安装oracle client客户端连接远程数据库
有时候,需要在linux服务器远程连接oracle数据,此时需要在服务器上安装oracle clinet客户端,用来连接远程的数据库。
采用rpm安装方式(root执行)
1:下载rpm软件包
oracle-instantclient11.2-basic-11.2.0.4.0-1.x86_64.rpm 基本的动态库(oci,bocci,jdbc-oci)
oracle-instantclient11.2-sqlplus-11.2.0.4.0-1.x86_64.rpm 客户端sqlplus安装包
oracle-instantclient11.2-devel-11.2.0.4.0-1.x86_64.rpm API接口文件
2:RPM安装(默认路径/usr/lib/oracle/11.2/client64)
rpm -ivh oracle-instantclient-basic-11.2.0.4.0-1.x86_64.rpm
rpm -ivh oracle-instantclient-sqlplus-11.2.0.4.0-1.x86_64.rpm
rpm -ivh oracle-instantclient-devel-11.2.0.4.0-1.x86_64.rpm
3:创建network/admin目录
mkdir -p /usr/lib/oracle/11.2/client64/network/admin
chown -R oracle:oracle /usr/lib/oracle
4:创建TNS(TNS是oracle数据库连接的客户端的一个工具,添加红色部分)
cd /usr/lib/oracle/11.2/client64/network/admin
vi tnsnames.ora
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.169.1.109)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)
Note:host是远程数据库的ip地址,service_name为远程数据库的sid
5:配置环境变量(添加红色部分的环境变量)
vi .bash_profile
export ORACLE_HOME=/usr/lib/oracle/11.2/client64
export TNS_ADMIN=$ORACLE_HOME/network/admin
export NLS_LANG=’simplified chinese_china’.ZHS16GBK
export LD_LIBRARY_PATH=$ORACLE_HOME/lib
export PATH=$ORACLE_HOME/bin:$PATH
6:生效环境变量
source .bash_profile
echo $OARCLE_HOME
7:测试
sqlplus username/password@orcl
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