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Databases Linux technews

Working with Oracle HTTP Server

In this blog i’m covering some basics on Oracle HTTP server(OHS) like

  • Checking OHS status.
  • Starting, stopping and restarting OHS.
  • Creating an Oracle HTTP server component.
  • Deleting an Oracle HTTP server component.

Checking OHS Status

We can determine the status of OHS by using the opmnctl command

$ORACLE_INSTANCE/bin/opmnctl status

Processes in Instance: instance1
---------------------------------+--------------------+---------+---------+-------
ias-component                    | process-type       |     pid | status | Ports
---------------------------------+--------------------+---------+---------+-------
ohs1                             | OHS                |    4789 | Alive  | https:1000, https:4444, http:7778

Starting, Stopping and restarting OHS

To Start use: >$ORACLE_INSTANCE/bin/opmnctl startall

To Stop use:  >$ORACLE_INSTANCE/bin/opmnctl stopproc process-type=OHS   or use  $ORACLE_INSTANCE/bin/opmnctl stopall

To restart: all Oracle HTTP Server components use: $ORACLE_INSTANCE/bin/opmnctl restartproc process-type=OHS

Creating an Oracle HTTP server component

The syntax for creating a Oracle HTTP server component is

$ORACLE_INSTANCE/bin/opmnctl createcomponent -componentType OHS -componentName component_name

For eg: to create an Oracle HTTP Server component named ohs1, use the following command:

>$ORACLE_INSTANCE/bin/opmnctl createcomponent -componentType OHS -componentName ohs1

When you create the Oracle HTTP Server component, ports are automatically assigned. However, you can use the following parameters to specify the ports of your choice:

-listenPort: HTTP listening port
-sslPort: HTTPS (SSL) listening port
-proxyPort: Proxy MBean port internally used by Oracle HTTP Server to communicate with Fusion Middleware Control

Deleting an Oracle HTTP server component

The syntax for deleting an Oracle HTTP server component using opmnctl is

>$ORACLE_INSTANCE/bin/opmnctl deletecomponent -componentName component_name

For eg: to delete an Oracle HTTP Server component named ohs1 use the following command:

>$ORACLE_INSTANCE/bin/opmnctl deletecomponent -componentName ohs1

 

Categories
technews

An update on Google Affiliate Network

affiliate_network-500Our goal with Google Affiliate Network has been to help advertisers and publishers improve their performance across the affiliate ecosystem. Cost-per-action (CPA) marketing has rapidly evolved in the last few years, and we’ve invested significantly in CPA tools like Product Listing Ads, remarketing and Conversion Optimizer. We’re constantly evaluating our products to ensure that we’re focused on the services that will have the biggest impact for our advertisers and publishers.

To that end, we’ve made the difficult decision to retire Google Affiliate Network and focus on other products that are driving great results for clients.

We’ll continue to support our customers as we wind down the product over the next few months. And there are other products that can help you achieve your goals. Affiliate publishers can continue to earn AdSense revenue through the AdSense network. And marketers can take advantage of other CPA-oriented Google tools like Product Listing Ads, remarketing and Conversion Optimizer to drive valuable online sales and conversions. These areas are growing rapidly and we’re continuing to invest heavily in them.

Thanks for your support of our affiliate product, and we look forward to helping you grow your business in the future.

Read more @ google

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technews

Chrome Frame is declared obsolete by Google

In September 2009, one year after releasing the Chrome browser, Google unveiled “Chrome Frame”—a plugin that brought Chrome’s underlying technology to Internet Explorer. Google said Chrome Frame was necessary because users of IE, particularly its older versions, were missing out on HTML5, JavaScript performance improvements, and other modern Web technologies.

chrome_frame-430Webpages containing a tag pointing to Chrome Frame switch automatically to “Google Chrome’s speedy WebKit-based rendering engine” when the page detects that an IE user has Chrome Frame installed, according to Google. Chrome Frame runs on IE versions 6, 7, 8, and 9.

But today, Google said the plugin isn’t needed anymore and it will stop receiving support and updates entirely in January 2014. “It’s unusual to build something and hope it eventually makes itself obsolete, but in this case we see the retirement of Chrome Frame as evidence of just how far the Web has come,” Chrome engineer Robert Shield wrote in the Chromium blog

Dumping Chrome Frame could cause a bit of grief for developers, as some commenters on Shield’s blog post and on Hacker News point out. Google contends that there won’t be too many annoyances and that there are fixes for those that will exist. On the whole, Google believes Web development today is a less frustrating experience than it was when Chrome Frame was devised.

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technews

KDE Releases Beta of Plasma Workspaces, Applications and Platform 4.11

Today KDE released the beta of the new 4.11 versions of Workspaces, Applications, and Development Platform. With API, dependency and feature freezes in place, the KDE team’s focus is now on fixing bugs and further polishing.


Changes to KWalletManager and Okular

The 4.11 releases include many substantial changes and improvements, including:

  • Deeper integration of Qt Quick in Plasma Workspaces
  • Faster Nepomuk indexing; massive performance optimizations, such as reading data is 6 or more times faster than previously
  • Kontact improvements—faster indexing, new theme editor, a lot of bug fixes
  • KWin—many OpenGL improvements, work on an OpenGL 3.1 core context and improved robustness, optimizations aimed at reducing CPU and memory overhead

More improvements can be found in the 4.11 Feature Plan.

With the large number of changes, the 4.11 releases need a thorough testing in order to maintain and improve the quality and user experience. Actual users are critical to maintaining high KDE quality, because developers simply cannot test every possible configuration. We’re counting on you to help find bugs early so they can be squashed before the final release. Please consider joining the 4.11 team by installing the beta and reporting any bugs.

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technews

Oracle is bringing back Java time zone updating tool

java_DEV_120-294670432ed2b4a6Oracle is bringing back Java time zone updating tool and has reversed a decision it made to remove the “tzupdater” tool from public download. The tool is used to update Java’s internal time zone database and allows users to adjust Java installations so they reflect correct timezones from around the world. Oracle had decided to remove the “tzupdater” tool at the start of March as part of the company’s ending of public updates to Oracle JDK 6, only making the software available to customers with Java 6 support contracts.

Time zones are adjusted regularly around the world by local authorities and keeping synchronised can be a near constant task. The tz database, which used to be called the Olson database, acts as a reference for all this information.The tzupdater tool is built using that database, converted it into the format required by Java, and patches Java installations with the updated information. Oracle update Java to the latest time zone data in JDK and JRE releases whenever they release a maintenance or update version, but there are users who need to ensure they always have to most up to date version of the time zone database installed; for them, Java maintenance updates do not happen quickly enough.

In the announcement of the reversal, Oracle’s Henrik Stahl explained that the inability to update JDK 7’s time zone data was “not in line with our policy” and that “The most recent version of the Oracle JDK will always be available royalty free (including any tools required to keep it up to date)”. Oracle is, says Stahl, also looking for ways to reduce the gap between time zone database updates and JDK/JRE updates. The tzupdater tool is available to download as is documentation on its use.

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Redhat technews

Red Hat confirms GNOME Classic Mode for RHEL 7

Red Hat confirms GNOME Classic Mode for RHEL 7, The engineering director for Red Hat Enterprise Linux (RHEL), Denise Dumas, has said that the upcoming version of the company’s enterprise Linux distribution will use GNOME 3’s Classic Mode by default. Dumas was talking to TechTarget ahead of the 2013 Red Hat Summit that is currently ongoing in Boston.

Read more @ h-online

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technews

GNOME 3.10

GNOME 3.10 is expected in September and some of its newest features are beginning to appear in the 3.9 development branch. Version 3.9.2 is expected this week.

Here’s the few screenshots of the new Gnome version.

GNOME Music

GNOME Music is a new app for, well, playing music. Of course, it can’t yet compete feature-wise with e.g. rhythmbox, but it looks fresh and promising. And it plays my music already.

GNOME Maps

GNOME Maps is a map viewer. It is still in its infancy – it does not do much yet beyond loading maps and showing me my location. But that will soon change.

gitg

Gitg is a git repository viewer. It has been around for a while. Recently, it has been rewritten in vala and it is getting a visual refresh this cycle.

Bijiben

Bijiben is a note-taking application, it was available as a ‘preview’ in 3.8 (and you can install it in Fedora 19 by running yum install bijiben). For 3.10, it will be much more feature-complete, data exchange with tomboy and online accounts is planned.

Videos

Totem is getting a face-lift, picking up user-interface elements from other GNOME 3 applications (while not losing any features).

Status menu

The GNOME shell status area may be getting a design update, combining most of the hardware controls into a single menu.

Categories
Linux technews testing

Installing Java and Setting JAVA_HOME

For any applications built around java requires JAVA_HOME variable to be set, here is how to setup JAVA_HOME for both Linux/Unix and windows environment.

To Install the JDK Software and Set JAVA_HOME on a UNIX System

  1. Install the JDK software.
    1. Go to http://java.sun.com/javase/downloads/index.jsp.
    2. Select the appropriate JDK version and click Download.The JDK software is installed on your computer, for example, at /usr/jdk/jdk1.6.0_02. You can change this location.
  2. Set JAVA_HOME.
    • Korn and bash shells:
      export JAVA_HOME=jdk-install-dir
      export PATH=$JAVA_HOME/bin:$PATH
    • Bourne shell:
      JAVA_HOME=jdk-install-dir
      export JAVA_HOME
      PATH=$JAVA_HOME/bin:$PATH
      export PATH
    • C shell:
      setenv JAVA_HOME jdk-install-dir
      setenv PATH $JAVA_HOME/bin:$PATH
      export PATH=$JAVA_HOME/bin:$PATH

To Install the JDK Software and Set JAVA_HOME on a Windows System

 

  • Install the JDK software.
    1. Go to http://java.sun.com/javase/downloads/index.jsp.
    2. Select the appropriate JDK software and click Download.The JDK software is installed on your computer, for example, at C:Program FilesJavajdk1.7. You can move the JDK software to another location if desired.
  • Set JAVA_HOME:
    1. Right click My Computer and select Properties.
    2. On the Advanced tab, select Environment Variables, and then edit JAVA_HOME to point to where the JDK software is located, for example, C:Program FilesJavajdk1.7.

JAVA_windows

Categories
Linux technews

Linux kernel 3.9 released

Linux-Kernel-3-3Linux creator Linus Torvalds has released version 3.9 of The Linux Kernel. This release has done nearly ten weeks after 3.8 version was released. The latest release of 3.9 can be obtained from Kernel.org.

Protocol           Location

HTTP                https://www.kernel.org/pub/

FTP                  ftp://ftp.kernel.org/pub/

RSYNC             rsync://rsync.kernel.org/pub/

Here is a quick look into new features of Linux released

  1. SSD caching: Linux 3.9’s addition of a device mapper target (dm-cache) that enables the usage of speedy devices such as solid-state drives(SSDs).
  2. Expanded Architecture support: This new release brings support for ARC700 processor family (750D & 770D) from Synopsys as well as the META ATP (Meta 1) and HTP (Meta 2) processor cores from imagination. Meta cores can be found in many digital radios, while the ARC700 family is commonly embedded in SoCs in TC set-top boxes and digital media players.
  3. Better Power efficiency: Thanks to the inclusion of intel PowerClamp driver, which performs synchronised idle injection across all online CPUs.
  4. Chromebook Support: Support for all most all chrome books supported by different vendors.
  5. Another Boost for ARM: Linux’s support for ARM has improved considerably over the past few releases, and kernel 3.9 brings a key improvement in the form of support for the KVM virtualization system in the ARM architecture port. As KernelNewbies notes, “this brings virtualization capabilities to the Linux ARM ecosystem.”
  6. Android developer Support: Linux 3.9 adds support for the “Goldfish” virtualized platform that’s part of the Android development environment. Essentially, that means it’s now possible to develop for Android with “out-of-the-box” kernels.

Of course, this is only a small sampling of what’s new in Linux 3.9; a raft of new drivers and numerous other new improvements are included as well. A thorough summary is available on The H.

 

Categories
Linux technews

Ubuntu 13.04 will be available on Thursday

Raring Ringtail, also known as Ubuntu 13.04. The latest version of the popular Linux distro is set for general availability tomorrow, which follows a beta release and a controversial amount of secrecy. Raring Ringtail is characterized as “the fastest and most visually polished Ubuntu experience to date,” with a particular emphasis on a smaller memory footprint and greater responsiveness. Much of the streamlining effort was in preparation for Ubuntu’sfuture life in mobile, and to coincide with that effort, developers will find a preview SDK for app development and the ability to test apps within the MIR display server. The release is now a mere hours away, and yes, it’ll be a good day.

raring-ringtail

Ubuntu Press Release

Ubuntu 13.04 brings dramatic graphical performance enhancements

London, 25th April, 2013: Today’s release of Ubuntu 13.04 on the desktop brings a host of performance and quality improvements making it the fastest and most visually polished Ubuntu experience to date.

Performance on lightweight systems was a core focus for this cycle, as a prelude to Ubuntu’s release on a range of mobile form factors. As a result 13.04 delivers significantly faster response times in casual use, and a reduced memory footprint that benefits all users.

This release also illustrates Ubuntu’s ongoing commitment to quality and dependability. “Our kaizen approach to development as well as community engagement result in a high quality alternative for people worldwide,” commented Jane Silber, CEO at Canonical. “This release, our 17th on a regular cadence, meets the needs of enterprises, organisations, governments and communities looking for a secure and intuitive computing experience.”

Canonical’s next generation display server, MIR is available as an option for developer testing and contribution. MIR will enable the seamless convergence of Ubuntu across phone, tablet and PCs in the next set of releases. Having just one codebase for all devices simplifies the lives of both developers and end-users, and makes possible a new generation of devices that combine the portability of the mobile phone with the productivity of a laptop.

Ubuntu 13.04 includes the Developer Preview SDK for developers to build native applications for Ubuntu devices. Using this SDK, developers can make a single application for all Ubuntu form factors and publish it in the Ubuntu Software Centre with a single upload. Developers have already started to create applications for Ubuntu across different devices.