How to Test the Failover Capabilities of OCFS2
Setting up an OCFS2 file system in Oracle VM VirtualBox enables you to test failover capabilities and whether an application is suitable for running in a virtualized environment. This article describes how to set up such an environment.
posted Wed, 14 May 2014 17:26:46 +0000
A Simple Way to Become Familiar with Oracle VM VirtualBox (OTN Garage)
Pradyumma Dash provides just the information you need to start using VirtualBox, and keeps out the information you don't. Understanding its architecture, how to install it on Linux, how to play with VM's, how to use virtual networking and virtual storage, and more.
posted Tue, 04 Mar 2014 17:56:46 +0000
Tech Article: How to Configure x86 Memory Performance for Large Databases Using Linux Huge Pages
Performance issues in large databases are not easy to detect using normal analysis methods such as AWR reports and OS tools such as sar, top, and iostat. And yet, if you configure your memory appropriately in x86 environments, your database can run significantly faster. This article describes how you can use Linux Huge Pages to do just that.
posted Tue, 07 Jan 2014 19:05:39 +0000
Tech Article: How to Use PHP DTrace on Oracle Linux
How to set up DTrace to detect PHP scripting problems on Oracle Linux, including how to download and install the right version of Oracle Linux, how to install PHP and the OIC18 extensions for Oracle Database, how to verify which PHP probes you have, and how to begin using them.
posted Tue, 19 Nov 2013 18:39:26 +0000
Blog - Extending Your Use of DTrace on Oracle Linux
Christopher Jones has just published an OTN tech article that explains how to set up DTrace to detect PHP scripting problems on Oracle Linux. In case you're not familiar with using DTrace on Oracle Linux, I've included links to two blogs that give you enough background to appreciate Christopher's article.
posted Tue, 19 Nov 2013 18:37:55 +0000
Blog: Overview of Linux Containers - Part I
Linux Containers isolate individual services, applications, or even a complete Linux operating system from other services running on the same host. They use a completely different approach than "classicial" virtualization technologies like KVM or Xen. Lenz Grimmer explains
posted Mon, 09 Sep 2013 18:05:56 +0000
Tech Article: How to Launch Linux Utilities from Inside Oracle Database
By wrapping a Linux utility in a script and using an external database table's preprocessor directive, you can launch the utility from within Oracle Database and have the utility's output be inserted into the external table. This allows you to do things such as query operating system data and then join it with data in Oracle Database.
posted Mon, 09 Sep 2013 18:01:16 +0000
Video Interview: On Wim's Mind in August 2013
We ran a little long, but once Wim started talking about the history of SNMP and how he's been using it of late to do cool things with KSplice and Oracle VM, we geeked out. Couldn't stop. Wim is not your average Senior VP of Engineering. Definitely a hands-on guy who enjoys figuring out new ways to use technology.
posted Mon, 09 Sep 2013 17:58:07 +0000
Tech Article: How to Use Hardware Fault Management in Oracle Linux
An overview of the hardware fault management technology, common use cases, and instructions for installing and configuring the tools in Oracle Linux. Examples that show the tools can capture and report important hardware information you can use in your daily operations.
posted Wed, 04 Sep 2013 16:21:55 +0000