DBA Catalog

On my test environment I changed hostname of Linux machine and after restart ASM did not start. environment: OS : Oracle Linux 6.5 DB : Or...

when creating database with dbca, shown error :  ORA-21561: OID generation failed . SOLUTION: problem is most likely machine hosts file....

Normally we will set the hostname of a system during the installation process. but if we need to change hostname what can we do? On any Li...