下载 oracle 客户端 rpm

https://www.oracle.com/database/technologies/instant-client/linux-x86-64-downloads.html

百度网盘地址

链接：https://pan.baidu.com/s/13IkAZQU87GejNUSu1tp_XQ
提取码：alzs

centos8安装客户端

yum install -y libaio

sudo rpm -ivh oracle-instantclient12.2-basic-12.2.0.1.0-1.x86_64\ (1).rpm

vim /etc/profile

export ORACLE_HOME=/usr/lib/oracle/12.2/client64
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$ORACLE_HOME/lib

source /etc/profile

cd /usr/lib/oracle/12.2/client64/lib
sudo ln -s libclntsh.so.12.1 libclntsh.so

sudo dnf install libnsl

自此连接成功