Patch Your OEM and WebLogic Servers Before Hackers Turn Them Into Cryptocurrency Mining Machines

What is it? In April 2019, a security advisory was release for CVE-2019-2725, a deserialization vulnerability in Oracle WebLogic Server that could be easily exploited, allowing unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Servers. Showcase has emerged on the internet that the vulnerability was already being actively exploited to install cryptocurrency miners.… read more

On-Premise Oracle Database Backup Using Oracle OCI Backup Cloud Service

Oracle Backup Cloud Service provides a secondary, off-site backup location in the cloud with practically  unlimited capacity. The service also ensures that backups are encrypted and available when are needed. Off-site backup is traditionally accomplished by sending backups to tape and shipping them to a secure location. This is a complex task that requires hardware,… read more

Oracle OCI and Azure Inter-cloud Link – Good Option for a Hybrid Cloud

Not long ago, Oracle and Microsoft announced a new level of cooperation in the public cloud interlinking their clouds and providing the ability to use each of the clouds where they are the best. For example it allows you to run an application on Azure and use an Oracle database in the Oracle OCI. This… read more

How to downgrade InfiniBand switch patches on EXADATA

Lately I was asked to apply the Exadata Quarterly Full Stack Download Patch (QFSDP) of July 2018(Patch 28183368) on the infrastructure components of a virtualized EXADATA X6-2. The objective consists of patching the following components: I found a lot of instructions and examples on how to upgrade the components, but none on how to downgrade… read more

Keep Your Money in Check on the Oracle Infrastructure Cloud

With any cloud environment, it becomes easy to start a new resource whether it is a database or a compute instance. It is like walking to a giant department store with unlimited credit on your card. Too often we find that somebody has fired a new instance and left it forgotten to run over holidays… read more