oracle部署报错解决

第1个错误：
 ./runInstaller -silent -responseFile /tmp/db_install.rsp -ignorePrereq
 /home/u01/app/oracle/product/19.3.0/dbhome_1/perl/bin/perl: error while loading shared libraries: libnsl.so.1: cannot open shared object file: No such file or directory
 
 yum install libnsl

 ===========================
 
 [WARNING] [INS-08101] Unexpected error while executing the action at state: 'supportedOSCheck'
   CAUSE: No additional information available.
   ACTION: Contact Oracle Support Services or refer to the software manual.
   SUMMARY:
       - java.lang.NullPointerException
       原因：
不管是图形化界面还是静默安装，执行前设置 CV_ASSUME_DISTID环境变量，设置该值为RHEL7.6，之后再次运行执行程序或脚本
解决方法：
export CV_ASSUME_DISTID=RHEL7.6





 source .bash_profile