Wednesday Jul 06, 2016

Always fill in the DNS Hostname Prefix in Oracle Compute Cloud Instance

Always fill in the DNS Hostname Prefix when creating a new instance in Oracle Compute Cloud.


What seems an unimportant optional field can make your life harder than it should be, namely your instance will get a new hostname and new server ssh key each time the instance orchestration is restarted, which leads to confusion and problems. Here’s why that happens:


Each instance is governed by Instance Metadata. There is actually a server available to your instance on the internal network, where Metadata is available. Among other things, the Metadata contains server DNS name.

Here’s the important part: if you leave DNS Hostname Prefix field empty, then DNS name is dynamic, auto generated each time the instance orchestration is started (but not when instance is rebooted).

On your instance, there’s also /usr/bin/opc-linux-init script started by /etc/rc.d/rc.local, at least if your instance is based on one of the predefined Oracle images.

This script checks if the hostname is the same as the one provided by the Metadata - and if it’s not, it changes the hostname, server ssh keys and possibly other instance configuration.


There are probably not many scenarios when you want your instance to be reconfigured on each start, so remember to configure DNS Hostname Prefix when you create it. If you need to update one of your existing instances, add "dns" : [ „yourhostname“ ] to the instance networking configuration.



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Thursday Feb 05, 2015

The Next-Generation of Oracle Engineered Systems: New Markets, New Opportunities for Partners

On January 21st Larry Ellison announced the next generation of Oracle Engineered Systems as the cornerstone of the Oracle strategy for reducing customer costs and increasing value.

The announcement included

  • the sixth-generation Oracle Exadata Database Machine X5 with virtualization capabilities,
  • Oracle's new Virtual Compute Appliance X5,
  • and Oracle FS1 Series Flash Storage System.
This new generation of Engineered Systems not only delivers the highest performance in the industry but it also comes at the lowest purchase price for the data center core infrastructure.

 

[Read More]

Wednesday Jun 18, 2014

Oracle Announces the Next-Generation of Virtual Compute Appliance

Oracle Virtual Compute Appliance, the latest addition on Oracle's Engineered System portfolio,  enables rapid, repeatable software-defined infrastructure deployment for virtually any x86 application and workload. An easy-to-deploy, integrated system with the elasticity needed for cloud computing, customers can go from power on to production in about an hour(1) and deploy ready-to-run virtual machines in just a few minutes.

The latest release, Oracle Virtual Compute Appliance X4-2, delivers increased computing power, faster data processing and cloud lifecycle management capabilities via its integration with Oracle Enterprise Manager 12c.

On June 24th at 10am PDT, Oracle Executives Mark Hurd, Wim Coekaerts, and Scott Genereux will announce the latest Oracle Virtual Compute Appliance and you are welcom to join this by registering here [Read More]

Thursday Aug 15, 2013

Oracle Virtual Compute Appliance - Brand New

The Oracle Engineered Systems family just got a new addition on Tuesday, August 12, 2013.Oracle introduces a brand new Engineered System that enables Rapid, Repeatable Software-defined Infrastructure Deployment for Virtually Any x86 Application and Workload. Oracle Virtual Compute Appliance is an engineered system that radically simplifies the way customers install, deploy, and manage virtual infrastructures for any Linux, Oracle Solaris, or Microsoft Windows application.

Customers can go from power on to production in about an hour and deploy ready-to-run virtual machines in just a few minutes, while Partners have an ideal datacenter solution for varying x86 Applications and Workloads. Oracle Virtual Compute Appliance is Oracle’s newest engineered system made possible by Oracle’s unique ability to engineer hardware and software together.

[Read More]
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