Tuesday Apr 02, 2013

Announcing Ksplice Inspector!

Everyone knows a good inspector is crucial when buying a home or looking for clues in a "whodunit". And now you also have an "inspector" for your Linux kernel!

Today Oracle released a new tool called the Ksplice Inspector enabling Linux users to analyze kernel updates available for their Linux kernel. With so many kernel updates released, it can be difficult to keep track. At Oracle, we monitor kernels on a daily basis and provide bug and security updates administrators can apply without a system reboot. To help out, the Ksplice team at Oracle has produced the Ksplice Inspector, a web tool to show you the updates Ksplice can apply to your kernel with zero downtime.

Read the Ksplice blog article for more details on this new tool and who can use it. 

Thursday Feb 28, 2013

Announcing Oracle Linux 6.4

The Oracle Linux team is pleased to announce the availability of Oracle Linux 6.4, the fourth update release for Oracle Linux 6. The individual RPM packages have already been published from our public yum repository and ISO images will soon be available from the Oracle Software Delivery Cloud. Oracle Linux 6.4 includes new features and improvements, most notably a new version of the Unbreakable Enterprise Kernel. For further details, please see the Oracle Linux 6.4 Release Notes.

Oracle Linux customers also have access to a number of recently announced unique features/benefits, including:

Support for XFS file system: Today we also announced support for XFS file system in Oracle Linux. It is now available for customers with Premier Support subscriptions using Oracle Linux 6. Read the XFS support blog article for more details.

Ksplice offline client: We recently announced a new feature in our Ksplice service, known as the Ksplice offline client. Ksplice provides zero downtime updates for your kernel and now this new option eliminates the requirement to have a direct connection to the internet to apply Ksplice patches. Read more details in Wim Coekaerts’ blog and watch this video describing updating and patching in Oracle Linux.

DTrace for Oracle Linux: Another new addition is the general availability of DTrace for Oracle Linux. DTrace is a comprehensive dynamic tracing framework available to Oracle Linux customers. It is available to download from ULN for supported customers. 

Oracle Linux can be downloaded, used and distributed free of charge, including updates and errata which are also freely available.

Announcing XFS Support for Oracle Linux

The Oracle Linux team is pleased to announce a new offer for our customers with Premier Support subscription using Oracle Linux 6.  We have had many requests to provide a supported option for the XFS file system on Oracle Linux and effective today customers with Premier Support subscriptions using Oracle Linux 6 will receive XFS support, at no additional charge!  The XFS filesystem is a journaling file system known for high-performance and scalability.   With fast transactions, extreme scalability and near native I/O performance, it is easy to understand the popularity of this versatile filesystem.  XFS support is offered on the Unbreakable Enterprise Kernel Release 2 and also with the Red Hat compatible kernel.  We are excited about this new offer and the great news is, most of the features are already available on your system today.  Install the RPM package  'xfsprogs' from ULN using the command  'yum install xfsprogs', which provides utilities for managing XFS and you will be ready to create and deploy. 

Wednesday Jan 16, 2013

Oracle Linux 5.9 has been released

We're happy to announce the availability of Oracle Linux 5.9, the ninth update release for Oracle Linux 5. ISO images will soon be available from the Oracle Software Delivery Cloud, the individual RPM packages have already been published from our public yum repository. This distribution now includes the Unbreakable Enterprise Kernel Release 2 (2.6.39-300), Oracle's recommended kernel version for Oracle Linux. For further details, please see the Oracle Linux 5.9 Release Notes.

Oracle Linux can be downloaded, used and distributed free of charge, updates and errata are freely available. For support, you are free to decide for which of your systems you want to obtain a support subscription, and at which level each of  them should be supported. This makes Oracle Linux an ideal choice for both your development and production systems - you decide which support coverage is the best for each of your systems individually, while keeping all of them up-to-date and secure.

Monday Jan 07, 2013

Introducing the Ksplice Offline client

We are excited to announce the availability of a new feature in our Ksplice service, known as the Ksplice offline client.  This new option eliminates the requirement on a direct connection to the internet to apply zero-downtime Ksplice patches.  The Ksplice offline client allows the user to create a local YUM repository which will mirror the Ksplice channel from ULN (Unbreakable Linux Network).  Once you have mirrored the channel on your local network, you simply apply the patch using the same Ksplice tools and commands you are already familiar with.  Ksplice is available to all customers with Oracle Linux Premier or Oracle Linux Premier Limited support.  Take a look at Wim's blog, where he provides an excellent example for how to setup and use this new service and if you are using Red Hat and want to try Ksplice, you can sign up for a 30 Day Free trial

Wednesday Dec 12, 2012

Announcement: DTrace for Oracle Linux General Availability

Today we are announcing the general availability of DTrace for Oracle Linux. It is available to download from ULN for Oracle Linux Support customers. 

DTrace is a comprehensive dynamic tracing framework that was initially developed for the Oracle Solaris operating system, and is now available to Oracle Linux customers. DTrace is designed to give operational insights that allow users to tune and troubleshoot the operating system.

DTrace provides Oracle Linux developers with a tool to analyze performance, and increase observability into the systems they own to see how they work. DTrace enables higher quality applications development, reduced downtime, lower cost, and greater utilization of existing resources.

Key benefits and features of DTrace on Oracle Linux include:

• Designed to work on finding performance bottlenecks

• Dynamically enables the kernel with a number of probe points, improving ability to service software

• Enables maximum resource utilization and application performance

• Fast and easy to use, even on complex systems with multiple layers of software

If you already have Oracle Linux support, you can download DTrace from ULN channel.

We have a dedicated Forum for DTrace on Oracle Linux, to discuss your experience and questions.

Friday Nov 09, 2012

Did You Hear About RedPatch?

With today’s RedPatch announcement, the Oracle Linux team provides the Linux community a repository containing the source for all the changes Red Hat makes to their kernel, free of charge, available from our public git site. This repository simplifies life for administrators by providing them a straightforward method for determining the type of fixes a patch contains.

Read more.

Monday Jul 30, 2012

Oracle is Sponsoring LinuxCon North America 2012

LinuxCon is the leading annual technical conference in North America that brings together a unique blend of core developers, administrators, users, community managers and industry experts. This event is designed to provide a much needed collaboration and education space for the Linux community.

This year Oracle will be one of the key sponsors and we have a keynote session that features Wim Coekaerts and Mark Sunday as speakers.

LinuxCon will be showcasing Oracle Linux in the following sessions:

Thursday, August 30:

11:20 am - The Proper Care and Feeding of a MySql Database for Linux Administrators

Speaker: Dave Stokes, Oracle

3:20 pm - Policies for Transcending Linux Memory Efficency with Zcache

Speaker: Dan Magenheimer, Oracle

Friday, August 31:

10:05 am – Keynote: Linux Tales from the Trenches of an Ultra Demanding Cloud Data Center

Speakers: Mark Sunday, Senior VP and CIO, Oracle
Wim Coekaerts, SVP, Linux and Virtualization Engineering, Oracle

LinuxCon is co-located with CloudOpen, which will be showcasing Oracle Cloud Technology in the following session:

Wednesday, August 29:

11:40 am – Oracle’s Cloud Computing Strategy – Your Strategy. Your Cloud, Your Choice.

Speaker: David Krauss, Oracle

Stop by the Oracle Linux Technology Showcase booth #113 to get your copy of the Oracle Linux/ Oracle VM DVD as well as talk to our experts.

QUICK LINKS:

Wednesday Jul 04, 2012

Oracle Linux 6.3 has been released

We're happy to announce the availability of Oracle Linux 6.3, the third update release for Oracle Linux 6. ISO images can now be obtained from the Oracle Software Delivery Cloud, the individual RPM packages have already been published from our public yum repository. This distribution now includes the Unbreakable Enterprise Kernel Release 2 (2.6.39-200), Oracle's recommended kernel version for Oracle Linux. For further details, please see the Oracle Linux 6.3 Release Notes.

Remember, Oracle Linux can be downloaded, used and distributed free of charge, updates and errata are freely available. For support, you are free to decide for which of your systems you want to obtain a support subscription, and at which level each of  them should be supported. This makes Oracle Linux an ideal choice for both your development and production systems - you decide which support coverage is the best for each of your systems individually, while keeping all of them up-to-date and secure.

Wim Coekaerts recently wrote several blog posts about the benefits of Oracle Linux, which are worth a read:

Wednesday Jun 27, 2012

Oracle Linux 6.3 RPMs Now Available

The installation media ISO for Oracle Linux 6.3 is still "in the oven" but the RPMs are already available.  You can grab them on ULN, if you have an Oracle Linux support subscription, or anyone can get them from public-yum.oracle.com.  Oracle Linux 6.3 includes a quarterly update of Unbreakable Enterprise Kernel Release 2 (kernel-uek-2.6.39-200.9.0.el6uek).  To install that kernel, make sure you have the ol6_UEK_latest channel or repo enabled.  Enjoy.

Wednesday Jun 13, 2012

Important glibc Bug Fix Update for Oracle Linux 6 on Intel Systems with AVX Instruction Support

If you run Oracle products on Oracle Linux 6 (or RHEL 6) on Intel-based hardware that supports the Intel Advanced Vector Extensions (AVX), you may encounter illegal instruction errors (SIGILL) that prevent the correct operation of Oracle Database, Fusion Middleware and other applications (both Oracle and third party applications).  It is recommended you install this glibc bug fix update: ELBA-2012-2019.  

 To verify whether your system supports AVX, look for avx in the output of:

# cat /proc/cpuinfo
The updated glibc RPM is available from ULN and from public-yum.oracle.com.  For more information, see this Oracle Linux Errata notification: ELBA-2012-2019 Oracle Linux 6 glibc bug fix update.  To subscribe to Oracle Linux errata notifications via email, go here.  You can also stay on top of Oracle Linux errata via Twitter: @orcl_uln

Thursday Apr 05, 2012

DTrace for Oracle Linux news: new beta release and conference appearances

A new set of RPM packages of our port of DTrace for Linux has just been published on the Unbreakable Linux Network. This is another beta release of our ongoing development effort to bring the DTrace framework to Linux.

This release includes the following changes:

  • The packages are now based on the final public release of the Unbreakable Enterprise Kernel Release 2 (2.6.39). The previous beta drop was based on a development version of the 2.6.39 kernel; there is no new functionality specific to DTrace in this release. The primary goal was to get the code base in sync with the released kernel version.
  • Based on the feedback we received from some users in how their applications interact with dtrace, libdtrace is now a shared library. However, the API/ABI is not fully stabilized yet and may be subject to change.
  • As a result of the ongoing QA testing, some test cases were reorganized into their own subdirectories, which allows running the test suite in a more fine-grained manner.

As reminder, we have a dedicated Forum for DTrace on Linux, to discuss your experiences with this release.

This week, the Linux DTrace team also attendeded the second dtrace.conf in San Francisco, to talk about their work. The sessions were streamed live and recordings are also available. You can watch Oracle's Kris Van Hees' talk below:


Video streaming by Ustream

We would like to thank the dtrace.conf organizers for the speaking opportunity and for organizing this event!

This Wednesday (April 4th), Kris and Elena Zannoni also spoke on this topic at the Linux Foundation Collaboration Summit 2012 in San Francisco, CA. The slides are now available for download (PDF).

Thursday Mar 29, 2012

Oracle RDBMS Server 11gR2 Pre-Install RPM for Oracle Linux 6 has been released

Now that the certification of the Oracle Database 11g R2 with Oracle Linux 6 and the Unbreakable Enterprise Kernel has been announced, we are glad to announce the availability of oracle-rdbms-server-11gR2-preinstall, the Oracle RDBMS Server 11gR2 Pre-install RPM package (formerly known as oracle-validated). Designed specifically for Oracle Linux 6, this RPM aids in the installation of the Oracle Database.

In order to install the Oracle Database 11g R2 on Oracle Linux 6, your system needs to meet a few prerequisites, as outlined in the Linux Installation Guides. Using the Oracle RDBMS Server 11gR2 Pre-install RPM, you can complete most of the pre-installation configuration tasks. which is now available from the Unbreakable Linux Network, or via the Oracle public yum repository.

The pre-install package is available for x86_64 only. Specifically, the package:

  • Causes the download and installation of various software packages and specific versions needed for database installation, with package dependencies resolved via yum
  • Creates the user oracle and the groups oinstall and dba, which are the defaults used during database installation
  • Modifies kernel parameters in /etc/sysctl.conf to change settings for shared memory, semaphores, the maximum number of file descriptors, and so on
  • Sets hard and soft shell resource limits in /etc/security/limits.conf, such as the number of open files, the number of processes, and stack size to the minimum required based on the Oracle Database 11g Release 2 Server installation requirements
  • Sets numa=off in the kernel boot parameters for x86_64 machines
Please see the release announcement for further details and instructions. Also take a look at Ginny Henningsen's "How I Simplified Oracle Database Installation on Oracle Linux" article on the Oracle Technology Network for a general description on how to perform the installation of the Oracle Database on Oracle Linux. While the article refers to Oracle Linux 5 and the former "oracle-validated" package, the steps for Oracle Linux 6 are still very similar (we're looking into updating that article for Oracle Linux 6).

Friday Mar 23, 2012

Announcing: Oracle Database 11g R2 Certification on Oracle Linux 6

Oracle Announces the Certification of the Oracle Database

on Oracle Linux 6 and Red Hat Enterprise Linux 6

Yesterday we announced the certification of Oracle Database 11g R2 with Oracle Linux 6 and Unbreakable Enterprise Kernel. Here are the key highlights:

  • Oracle Database 11g Release 2 (R2) and Oracle Fusion Middleware 11g Release 1 (R1) are immediately available on Oracle Linux 6 with the Unbreakable Enterprise Kernel.
  • Oracle Database 11g R2 and Oracle Fusion Middleware 11g R1 will be available on Red Hat Enterprise Linux 6 (RHEL6) and Oracle Linux 6 with the Red Hat Compatible Kernel in 90 days.
  • Oracle offers direct Linux support to customers running RHEL6, Oracle Linux 6, or a combination of both.
  • Oracle Linux will continue to maintain compatibility with Red Hat Linux.
Read the full press release

Thursday Mar 22, 2012

Free Updates and Errata for Oracle Linux

ISO images of the Oracle Linux installation media as well as individual binary RPMs (and the sources) of major and minor releases (Updates) have always been freely available for download, use and distribution, ever since we started the Oracle Linux support program.

We're now taking this a step further: in addition to the above, we will now also provide updated packages or errata for free from separate yum repositories on http://public-yum.oracle.com. If you would like to keep your Oracle Linux system up to date, you can now do so by subscribing your system to the respective "_latest" repository for your distribution, e.g. "ol6_latest" for Oracle Linux 6. See the installation instructions on the public yum front page and the "How to subscribe to the free Oracle Linux errata yum repositories" article on the OTN Garage blog for details on how enable these repositories and to obtain the updates.

If you would like to also receive free updates to the Unbreakable Enterprise Kernel Release 2, make sure to enable the "[ol6_UEK_latest]" repository as well - updates to the kernel will be made available from this separate channel until it is included in the next set of installation media.

Now what does this mean for Oracle Network Support? Getting access to the updates and errata was just one part of the offering – the following benefits will be available with an Oracle Linux Support Subscription only:

Wim also published a blog post with his take on the announcement.

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