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This article mainly introduces "how to install Oracle12.1 client in CentOS7.1". In daily operation, I believe many people have doubts about how to install Oracle12.1 client in CentOS7.1. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about "how to install Oracle12.1 client in CentOS7.1". Next, please follow the editor to study!

1.hostnamectl set-hostname p164-modify hostname

2.vim / etc/hosts-modify hosts, otherwise ORA-21561: OID generation failed will appear and add local parsing

192.168.1.164 p164

3. Install-oracle instantclient dependent package, that is, rzsz tool

Yum-y install libaio bc flex blas

-- install rzsz tools to facilitate Xshell to upload files

Yum-y install lrzsz

4. Murray-upload three software packages sqlplus basic devel

Rz

Upload the following three customer files (download from oracle's official website)

Oracle-instantclient12.1-basic-12.1.0.2.0-1.x86_64.rpm

Oracle-instantclient12.1-devel-12.1.0.2.0-1.x86_64.rpm

Oracle-instantclient12.1-sqlplus-12.1.0.2.0-1.x86_64.rpm

5.While-one-time installation

Rpm-ivh oracle*

6. Murray-create a directory of ORA files

Mkdir-p / usr/lib/oracle/12.1/client64/network/admin

-- modify the .bashrc file to create environment variables

Echo'# Convoluted undocumented Oracle bullshit.' > > $HOME/.bashrc

Echo 'export ORACLE_VERSION= "12.1" > $HOME/.bashrc

Echo 'export ORACLE_HOME= "/ usr/lib/oracle/$ORACLE_VERSION/client64" > $HOME/.bashrc

Echo 'export PATH=$PATH: "$ORACLE_HOME/bin" > $HOME/.bashrc

Echo 'export LD_LIBRARY_PATH=$LD_LIBRARY_PATH: "$ORACLE_HOME/lib" > $HOME/.bashrc

Echo 'export TNS_ADMIN= "$ORACLE_HOME/network/admin" > $HOME/.bashrc

-- solve sqlplus garbled

-- echo 'export NLS_LANG= "SIMPLIFIED CHINESE_CHINA.ZHS16GBK" > $HOME/.bashrc

Echo 'export NLS_LANG= "AMERICAN_AMERICA.UTF8" > $HOME/.bashrc

7.When-update environment variables

. $HOME/.bashrc

Cd / usr/lib/oracle/12.1/client64/network/admin

-- upload tnsnames.ora files

Rz

8. Install cx_Oracle

Pip install cx_Oracle

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