Linux

DBCA fails with ORA-27125 on 19c

Issue I recently encountered an issue where DBCA failed with ORA-27125 when creating a 19c database on Oracle Linux 7. Most of the support notes and posts on the internet pointed to Kernel parameters SHMMAX and SHMALL. The Kernel settings were fine on my...

How to Install VNC on Exadata Linux servers

Oracle Exadata servers do not come with VNC server installed. Let's look at how to install VNC on Exadata Linux servers. In this post, I will list the steps needed to get VNC working on Oracle Enterprise Linux 7 (OEL 7). There are many posts you can...

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Steps to remove OEM Agent

Recently I migrated all targets (Cluster, Databases, Instances, ASM, etc) and their jobs to a 13c OEM...
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DBCA fails with ORA-27125 on 19c

Issue I recently encountered an issue where DBCA failed with ORA-27125 when creating a...

How to rename a PDB in 19c

Let's look at how to rename a PDB in 19c. The steps are the same as 12c....

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Register missing archive logs on a standby database

Sometimes we may end up with archive...

DW0O terminating with fatal err=39078

Environment Oracle Database 11.2.0.4...
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How to Install VNC on Exadata Linux servers

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DW0O terminating with fatal err=39078

Environment Oracle Database 11.2.0.4...