Linux
0

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/networking_guide/sec_configuring_host_names_using_hostnamectl hostnamectl set-hostname oud12.appsdba.info hostnamectl status

VirtualBox
1

https://www.groovypost.com/howto/virtualbox-error-uuid-hard-disk/ C:\Users\Kishore>cd “c:\Program Files” c:\Program Files>cd Oracle c:\Program Files\Oracle>cd VirtualBox c:\Program Files\Oracle\VirtualBox>VBOXMANAGE.EXE internalcommands sethduuid “C:\Kishore\VMs\OAM12c\OAM11gR2PS3_VirtualBoxImage.vdi”…

RAC
0

After upgrade to 12c, check if sqlnet.ora has below information SQLNET.ALLOWED_LOGON_VERSION_SERVER = 11 SQLNET.ALLOWED_LOGON_VERSION_CLIENT =…

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