Thursday Mar 12, 2015

Announcing General Availability of Oracle Linux 7.1

We're happy to announce the general availability of Oracle Linux 7 Update 1, the first update release for Oracle Linux 7. All packages are currently available on ULN and public yum; ISO installation images will be freely available for download from the Oracle Software Delivery Cloud soon.

Oracle Linux 7 Update 1 ships with the following kernel packages:

  •     Unbreakable Enterprise Kernel (UEK) Release 3 (kernel-uek-3.8.13-55.1.6.el7uek) for x86-64
  •     Red Hat Compatible Kernel (kernel-3.10.0-229.el7) for x86-64

Oracle Linux 7 update 1 provides the latest features and innovations, such as:

  • Linux container support using either Docker or LXC with UEK Release 3
  • Comprehensive dynamic tracing with DTrace and UEK Release 3
  • Production support for Btrfs with UEK Release 3
  • The latest 3rd party hardware support

For more details on these and other new features and changes in Oracle Linux 7 Update 1, please consult the release notes in the Oracle Linux Product Documentation Library.

Oracle Linux can be downloaded, used and distributed free of charge and all updates and errata are freely available. For support, you decide which of your systems require a support subscription.  This makes Oracle Linux an ideal choice for your development, testing and production systems.  

For customers with Oracle Linux Premier Support, you also receive support for Oracle OpenStack for Oracle Linux and access to zero-downtime kernel updates with Oracle Ksplice, at no additional charge. Oracle Ksplice is fully supported and has been providing live kernel updates to production systems since 2009, delivering more than 1 million patches to mission critical systems without a single reboot.  For more information, please visit ksplice.oracle.com.

 For more information about Oracle Linux, please visit www.oracle.com/linux .

Friday Feb 13, 2015

Friday Spotlight: New Oracle VM Templates for Oracle Database

Happy Friday!

In last week's Oracle Virtualization Spotlight, Honglin Su discussed new Oracle VM Templates for Oracle Database. Here's an excerpt:

The Oracle VM Templates for Oracle Database provides a framework that fully automates the creation of a Single Instance, Oracle Restart (Single Instance/HA) or Oracle Real Application Clusters (RAC) configurations in an Oracle VM environment. In a matter of minutes the versatile and powerful Oracle VM Templates for Oracle Database can be cloned into any number of VMs which could be deployed as a Single Instance, Oracle Restart (Single Instance/HA) or Oracle RAC of any number of nodes.

Of course, this is the Oracle Linux blog, so why am I referencing new Oracle VM Templates? Because these templates of course run Oracle Linux! Here are the highlights of the new templates:

NEW in 2015 Templates:

  • Yum@Deploy support(11gR2 & 12c) - Allows running yum install/update during first boot/deployment and subsequent re-builds.
  • Multi-Diskgroup support for Oracle ASM
  • Support for multiplexed Controlfile & REDO logfiles
  • Default kernel boot is Unbreakable Enterprise Kernel (UEK3) 3.8.13-55, seamless transition to HVM mode
  • Oracle Linux 7, BTRFS & Ksplice Ready!

You can read Honglin's full post over at the Oracle Virtualization Blog, or you can go directly to the Oracle VM Templates for Oracle Database page.

Have a great week and we'll see you next Friday! 

Tuesday Oct 21, 2014

Announcing General Availability of Oracle Linux 6.6

We're happy to announce the general availability of Oracle Linux 6 Update 6, the sixth update release for Oracle Linux 6. You can find the individual RPM packages in our public yum repository now; ISO installation images will be freely available for download from the Oracle Software Delivery Cloud soon.

Oracle Linux 6 Update 6 ships with the following kernel packages:

  • Unbreakable Enterprise Kernel (UEK) Release 3 (kernel-uek-3.8.13-44.1.1.el6uek) for x86-64
  • Unbreakable Enterprise Kernel (UEK) Release 2 (kernel-uek-2.6.39-400.215.10.el6uek) for i386 
  • Red Hat Compatible Kernel (kernel-2.6.32-504.el6) for i386 and x86-64
By default, both the Unbreakable Enterprise Kernel and the Red Hat Compatible Kernel for the specific architecture (i386 or x86-64) are installed and the system boots the Unbreakable Enterprise Kernel.

Notable features in this release include:

  • Fully integrated DTrace support with UEK Release 3.
  • Full Linux Containers (LXC) support in UEK Release 3.
  • Btrfs is fully supported when using the the UEK (Release 2 or 3).
  • Enhanced SSSD support for Active Directory
  • A new daemon for Hyper-V, which includes the hypervfcopydhypervkvpd, and hypervvssd packages, which provides the Hyper-V file-copy, key-value pair (KVP), and volume shadow copy service (VSS) daemons for an Oracle Linux guest that is running under Hyper-V on a Microsoft Windows Host.

For more details on these and other new features and changes in Oracle Linux 6 Update 6, please consult the release notes in the Oracle Linux Product Documentation Library.

Oracle Linux can be downloaded, used and distributed free of charge and all updates and errata are freely available. For support, you decide which of your systems require a support subscription.  This makes Oracle Linux an ideal choice for your development, testing and production systems.  You decide which support coverage is the best for each of your systems individually, while keeping all of your systems up-to-date and secure.  For customers with Oracle Linux Premier Support, you also receive access to zero-downtime kernel updates using Oracle Ksplice and support for Oracle OpenStack for Oracle Linux.

 For more information about Oracle Linux, please visit www.oracle.com/linux

Tuesday Jul 08, 2014

Learn about Btrfs, XFS, OCFS2 and More in Oracle Linux Training

Do you want to get hands on experience in creating and learning the benefits of the following file system?

  • The XFS file system - A high performance journaling file system that supports a maximum file system size of 100 TB and a maximum file size of 16 TB.
  • Btrfs - an open source general purpose file system that began in Oracle and is now contributed to by a number of major players. Btrfs provides extent-based file storage with a maximum size of 16 Exabytes.
  • OCFS2 - a general purpose, POSIX-compliant, shared disk cluster file system developed at Oracle. It allows multiple nodes to access the same disk at the same time. OCFS2 has two allocation units, blocks and clusters. OCFS2 supports block sizes ranging from 512 bytes to 4 KB and cluster sizes ranging from 4 KB and 1 MB. Cluster size is always greater than or equal to block size.

To learn more about these topics and many others, consider taking the Oracle Linux Advanced Administration course.

You can take this 5-day, instructor-led training course as a:

  • Live-Virtual Event: Take a class from your own desk, no travel required. Choose from a selection of events on the schedule to suit different timezones.
  • In-Class Event: Travel to an education center to take this class. Below is a selection of the in-class events already on the schedule:

 Location

 Date

 Delivery Language

 Melbourne, Australia

 25 August 2014

 English

 Jakarta, Indonesia

 4 August 2014

 English

 Kuala Lumpur, Malaysia

 6 October 2014

 English

 Bangkok, Thailand

 20 October 2014

 English

 Belmont, CA, United States

 18 August 2014

 English

 Chicago, IL, United States

 8 September 2014

 English

 Reston, VA, United States

 21 July 2014

 English

To register for an event, request an additional event or learn more about the Oracle Linux Curriculum, go to http://oracle.com/education/linux.

Tuesday Feb 18, 2014

Proving and Extending Your Oracle Linux Expertise

If you feel you have a good level of hands-on experience and Linux system administration knowledge, prove this by taking the Oracle Linux 5 & 6 System Administrator Oracle Certified Associate exam. In this exam, you will get 150 minutes to attempt 111 multiple choice questions. To reinforce your exam preparation you can take the Oracle Linux System Administration training course.

To go to the next level of system administration expertise, learn about advanced Oracle Linux featues by taking the Oracle Linux Advanced System Administration course. In this 3 day, instructor-led course you will discover how to take advantage of Btrfs to improve system performance and to use Linux containers to increase your resource utilization by creating secure isolated environments on a single host.

You can take this course as a:

  • Live-Virtual Event: Take this course from your own desk - no travel required. Choose from a selection of events on the schedule to suit different timezones.
  • In-Class Event: Travel to an education to take this course. Below is a selection of the events already on the schedule.

 Location

 Date

 Delivery Language

 Melbourne, Australia

 13 March 2014

 English

 Sydney, Australia

 13 August 2014

 English

 Jakarta, Indonesia

 12 May 2014

 English

 Kuala Lumpur, Malaysia

 9 June 2014

 English

Lagos, Nigeria 

 26 May 2014

 English 

 Istanbul, Turkey

 17 March 2014

 Turkish

 Edison, NJ, United States

 28 May 2014

 English

 Irving, TX, United States

 16 April 2014

 English

 Caracas, Venezuela

 24 February 2014

 Spanish

To register for this course, request an additional event or learn more about the Oracle Linux curriculum, go to http://oracle.com/education/linux.

Friday Dec 06, 2013

Oracle Linux Friday Spotlight - December 6, 2013

Happy Friday!

By now, you've probably heard about the release of Oracle Linux 6.5. One really cool thing about this release is that Unbreakable Enterprise Kernel Release 3 is installed by default, meaning you get to use all the great features of UEK R3 without needing to do a separate installation. And are there a lot of great features in UEK R3! So, our spotlight this week is on the release notes for the latest version of Oracle's Unbreakable Enteprise Kernel.

Unbreakable Enterprise Kernel Release 3 release notes

You'll learn about Control Groups, Linux Containers, DTrace, additional crypto options, improved diagnostics, the updated btrfs, better memory management, more networking options, improvements for performance, security, storage, and much more.

See you next Friday!

-Chris 

Friday Jun 14, 2013

Unbreakable Enterprise Kernel Release 2 Quarterly Update 4 has been released

We're pleased to announce that the fourth quarterly update release of the Unbreakable Enterprise Kernel Release 2 (Version 2.6.39-400.109) for Oracle Linux 5 and 6 has been published. This release includes driver updates as well as fixes for bugs and security issues.

Some notable highlights include:

  • OpenFabrics Alliance (OFED) 1.5.5 Infiniband stack
  • Btrfs bug fixes and improvements
  • Xen improvements
  • Numerous device driver updates (e.g. storage devices, network cards)

For more details, please consult the release notes.

Binary RPMs can be downloaded and installed using yum from the Unbreakable Linux Network (ULN) as well as our public-yum server. The Unbreakable Enterprise Kernel is installed and booted by default on Oracle Linux. See this article on the Oracle Technology Network for details on how to install and update it.

The source code including the full revision history is available from our git repository at https://oss.oracle.com/git/?p=linux-uek-2.6.39.git;a=summary

Monday May 13, 2013

Learn About Advanced Oracle Linux Features

Just Released: The Oracle Linux Advanced System Administration training is ideal for administrators. In this 3-day course, you'll learn about managing resources and file systems, while developing troubleshooting and advanced storage administration skills.

Learn To:

  • Address today's large storage requirements.
  • Manage resources to deliver consistent response times and performance.
  • Allocate system resources to specific Linux processes.
  • Recover from boot errors.
  • Identify and resolve performance issues in your systems.
  • Use DTrace, which provides a comprehensive look into the software stack and enables you to identify performance bottlenecks.
  • Experience the Oracle Cluster File System, which provides a high performance and high availability file system when you must have a redundant environment.
  • Understand a variety of tools and techniques to diagnose performance problems on Oracle Linux systems.
  • Use new technologies, including Linux Containers.

You can take this live, instructor-led course as a:

  • Live-virtual event: No travel required. Participate in this event from your own desk.
  • In-class: Travel to an education center to take this class.

This course has just gone live so it is a perfect time to register your interest in events you want to see on the schedule by going to http://oracle.com/education/linux.

Tuesday Aug 21, 2012

New article on OTN: How I Use the Advanced Capabilities of Btrfs

In her first article, "How I Got Started with the Btrfs File System for Oracle Linux", Margaret gave an overview of the Btrfs file system on Oracle Linux and explained the basic file system operations.

In the second part of this article series titled "How I Use the Advanced Capabilities of Btrfs", Margaret now explores some of the more advanced features of this file system like RAID, checksums or filesystem snapshots and clones.

If you want to learn more about this exciting new file system, these two articles provide a solid foundation of information to evaluate and get familiar with Btrfs. Go check them out!

Tuesday Jul 24, 2012

Don't miss the Latest Technical Articles about Btrfs and Linux Security

We have two new Oracle Linux technical articles that you should not miss! They go into details about installation, best practices and key commands that will help you speed up your configurations.

1. How I Got Started with the Btrfs File System for Oracle Linux

by Margaret Bierman with Lenz Grimmer

This article describes the basic capabilities that writers discovered while becoming familiar with the Btrfs file system in Oracle Linux, plus the instructions she used to create a file system, verify its size, create subdirectories, and perform other basic administrative tasks.

Read more 

2. Tips for Hardening an Oracle Linux Server

by Lenz Grimmer and James Morris

Oracle Linux provides a complete security stack, from network firewall control to access control security policies. While Oracle Linux is designed "secure by default," this article explores a variety of those defaults and administrative approaches that help to minimize vulnerabilities.

Read more 

And don't forget to bookmark the Oracle Linux Technogy Center for future technical articles.

Happy reading. 


Wednesday Jun 20, 2012

PENGUIN IS GETTING READY FOR ORACLE OPENWORLD 2012

Are you looking for reasons to attend Oracle Openworld, how about below Oracle Linux sessions and hands-on-labs. 

1. General Session: Oracle Linux Strategy and Roadmap 

In this session, Oracle executives will discuss Linux strategy; the roadmap; contributions to the Linux mainline kernel; and what's in store for upcoming releases of Oracle Linux and the Unbreakable Enterprise Kernel. Don’t miss this session.


2. New Features in Oracle Linux- A Technical Deep Dive

Collaborating with the Linux community, Oracle engineers contribute to advancing Linux for mission-critical deployments. In this technical session, attendees will learn about the recent developments in Oracle Linux and the Unbreakable Enterprise Kernel


3. Why Switch to Oracle Linux? 

Oracle is the only company that provides a complete Linux solution from applications to disk, fully optimized for Oracle hardware and software, with one-stop support. In this session you will hear from two customers that have successfully implemented Oracle Linux and saved 50 to 90 percent on Linux support costs as well as the reasons to switch to Oracle Linux.


4. Debugging and Configuration Best Practices for Oracle Linux

This is one of our best attended sessions and most informative. In this best practices session, learn how to save time and money while preventing headaches and hassles. Discover expert secrets to get your Linux systems up and running (and keep them running), avoid common pitfalls, prevent problems, and circumvent known issues.


5. Top Technical Tips for Automatic and Secure Oracle Linux Deployments

In this session, attendees will learn about how to easily deploy and install Oracle Linux systems using various technologies like Kickstart, Oracle Enterprise Manager OpsCenter, and Oracle VM Templates for applications on Linux. Additionally, the session will share useful Linux security tips and introduce utilities to help with hardening and securely operating an Oracle Linux system.


We also have a great session in Oracle Develop track:

6. DTrace for Oracle Linux

Initially announced at last year's Oracle Openworld, DTrace for Oracle Linux is now available for the Unbreakable Enterprise Kernel R.2. In this session held by one of the engineers working on the DTrace for Linux port, you will learn how you can use this powerful and flexible framework in your development environment.


If you prefer to really have practical experience, don’t miss our two Hands-on-Labs where we will cover:


HOL-1 : Oracle Linux Package Management: Configuring and Enabling Services

In this session you will be Installing and configuring Oracle VM VirtualBox, importing the Oracle Linux virtual appliance. You will then use the package management on Oracle Linux using RPM and yum. You will also be able to review Ksplice, zero downtime kernel updates that enable you to apply security updates, patches and critical bug fixes without rebooting.



HOL-2: Oracle Linux Storage Management with LVM and Device Mapper

In this session you will learn about storage management with LVM2, the Linux Logical Volume Manager, Btrfs, preparing block devices, creating physical and logical volumes, creating file systems on top of logical volumes, and resizing file systems dynamically. You will also practice setting up software RAID devices, configuring encrypted block devices.


You will also see Oracle Linux and Kpslice in the three demopods we will feature at Exhibition demogrounds. One in MySQL Connect and two in Oracle Openworld.


What more do you need to come to San Francisco?

Oh, I forgot to mention we also have great weather in fall..


Check out the Content Catalog and register to attend Oracle Linux sessions.

Monday May 14, 2012

ORACLE at LinuxTag, May 23-26

LinuxTag LogoOracle will be at LinuxTag 2012 in Berlin Germany 23-26 May, 2012, will you?

LinuxTag has been held regularly for 15 years, longer than any other Linux fair in Europe. More than 200 free software projects and companies participate, more than in any other European Linux event. LinuxTag attracts nearly 12,000 visitors — an unrivalled record. Since its beginnings in 1995, visitors and exhibitors have valued the credibility and expertise behind LinuxTag.

During four days visitors of the fair and the congress can experience the open-source-trends. Collaboration and interesting business models are focused on under the slogan “Open minds create effective solutions”.

We will be there as a Bronze Sponsor, with several technical presentations as well as a booth. Come and visit us in Hall 7.2B, booth #253 to meet and discuss topics like Linux, Solaris, MySQL, Virtualization and Java with Oracle technical experts and to get a free Oracle Linux DVD. You also have a chance to win an Amazon Kindle Touch by entering our raffle at the booth!

Here are the sessions that Oracle speakers will be presenting:

JDK 7 Updates in OpenJDK
Speaker: Dalibor Topic (Oracle)
Wednesday, 23.05.2012, Europa II, 10:45-11:30

In this talk you'll learn how the JDK 7 Updates Project in OpenJDK works, and how to work within it, how to track changes, get your fixes in, and follow along as for example the Mac OS X Port gets integrated into future JDK 7 update releases.

OCFS2: Status and Overview
Speaker: Lenz Grimmer (Oracle)
Thursday, 24.05.2012, London, 10:00-10:45

Attendees will learn about the features and improvements that set OCFS2 apart from other Linux-based cluster file systems, including: Heartbeat implementation: global vs. local heartbeats - Storage optimizations: Extent-based Allocations, Hole punching, Reflinks

Btrfs: Status and Overview
Speaker: Lenz Grimmer (Oracle)
Thursday, 24.05.2012, London (TBD) 

This talk will give a technical overview over the Btrfs file system, its main features and recent developments. Attendees will get an impression of the features and capabilities and what sets Btrfs apart from existing Linux file systems.

Register today!

Wednesday Jan 25, 2012

A Tour of Btrfs - I Can't Believe This is Butter!

Oracle's Avi Miller recently presented at linux.conf.au 2012 event. He gave a beginner's tutorial on Btrfs.

Btrfs ("Butter FS") is a new copy on write filesystem for Linux aimed at implementing advanced features while focusing on fault tolerance, repair and easy administration. Initially developed by Oracle, Btrfs is licensed under the GPL and open for contribution from anyone.

Check out the video!

Thursday Nov 03, 2011

LIVE WEBCAST - New Innovations in Oracle Linux, Tuesday, Nov 15, 9am PT:

Oracle Linux, the best Linux for your enterprise, offers the highest performance, scalability and reliability. Following through on its commitment to bring the latest Linux innovations to customers and track Linux mainline closely, Oracle recently announced the Beta version of Unbreakable Enterprise Kernel Release 2 for Oracle Linux. This new release is based on the stable Linux mainline 2.6.39 version with backports from the 3.0 tree.

Come to this session and hear directly from our Linux gurus; Chris Mason, Director of Linux Kernel Engineering and Elena Zannoni, Director of Linux Engineering Tools,  as they discuss the latest innovations related to Oracle Linux, including:

  • Tracing: DTrace
  • File System: Btrfs
  • Virtualization: Linux Containers
  • Networking: Virtual Switch
  • Trancendent Memory

Register Now to hear about these latest innovations.

Monday Jul 25, 2011

New episode of the Oracle Linux Podcast: Chris Mason on Btrfs

In this second episode of the Oracle Linux Podcast, we talk with Chris Mason, Director of Software Development at Oracle. Chris is the principal author and coordinator of the Btrfs file system and we're discussing the file system's general features, the latest developments and how the development process of Btrfs is performed in collaboration with other contributors from the Linux kernel community. Don't miss this episode if you'd want to learn more about this exciting new Linux file system!

You can listen to the interview directly from here, or subscribe to our podcast feed via this link. Enjoy!

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