Posts Tagged Linux

NaggieProgramming Language: Seed7 05.20100307

Monday, March 8th, 2010

Seed7 is a general purpose programming language, which is designed by Thomas Mertes. The Seed7 interpreter and the example programs are open-source software. There is also an open-source Seed7 compiler. The compiler compiles Seed7 programs to C programs which are subsequently compiled to machine code. Functions with type results and type parameters are more elegant than a template or generics concept.

And object orientation is used where it brings advantages and not in places where other solutions are more obvious.

Key Features of Seed7:-

• User defined statements and operators.
• Types are first class objects (Templates and generics can be defined easily without special syntax).
• Predefined constructs like arrays or for-loops are declared in the language itself.
• Object orientation with interfaces and multiple dispatch.
• Static type checking and no automatic casts.
• Support for bigInteger and big Rational numbers which have unlimited size.
• exception handling
• overloading of procedures/functions/operators/statements
• Various predefined types like resizable arrays, hashes, bitsets, structs, color, time, duration, etc.
• Runs under linux, various unix versions and windows.
• The interpreter and the example programs use the GPL license, while the runtime library uses the LGPL license.

Newly included features in this release:

• The functions in the gethttp.s7i library were improved to allow the specification of a port number as part of the location (e.g.: localhost:1080/index.html).
• The tarx.sd7 (tar archiving utility) example program was
renamed to tar7.sd7 .
• The codepage 8859_11 was added to the charsets.s7i library.
• The bas7.sd7 (basic interpreter) example program was improved.
• The toutf8.sd7 example program was improved to write an explanation and to support several IANA/MIME charset names.
• An explanation what to do, when the path of the bcc32 C compiler contains a space, was added to ’src/read_me.txt’.
• Documentation comments were added to the charsets.s7i library.

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NaggieNew Arrival: PC/OS OpenWorkstation 10.1 GNOME has released

Monday, March 8th, 2010

PC/OS OpenWorkstation 10.1 GNOME is the first release in the PC/OS family to be based on the GNOME desktop environment, as the Linux distribution has traditionally been based on XFCE. According to the developers, they are targeting more high performance users with this release, but the minimum requirements are still very manageable.

Highlights of PC/OS OpenWorkstation 10.1 GNOME:

-GNOME 2.28;
-Linux kernel 2.6.31;
-Empathy replaces Pidgin as the default IM;
-OpenOffice.org 3.1;
-Exaile;
-Gambas2;
-WideStudio;
-Full multimedia codecs;
-Sun Java 6;
-Evolution Groupware Suite;
-GnomeBaker;
-Exaile;
-VLC;
-GIMP (With all plugins);
-Google Chrome;
-Nimbus GTK theme and Metacity.

Minimum system requirements:

  • 1 GHz Processor;
  • 512MB of RAM;
  • 10GB of Hard Drive Space.

One of the biggest updates in PC/OS OpenWorkstation 10.1 is the upgrade of the underlying operating system and the distro is now based on Ubuntu 9.10, the latest stable release of the popular Linux distribution.

PC/OS aims to provide a complete experience out of the box, so it comes packed with all the components a user might need, like video codecs, the Java plugin and others.

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NaggiePTS Desktop Live 2010.1: Phoronix Test Suite 2.4.1 in a Live CD

Saturday, February 27th, 2010

PTS Desktop Live 2010.1, codenamed “Anzhofen,” a live DVD distribution designed solely to run the Phoronix Testing Suite, has now been released, bringing the comprehensive benchmarking and testing software suite to those that want the most accurate results.

Like previous releases, it’s based on the popular Ubuntu Linux distribution and PTS Desktop Live 2010.1 comes with the latest Phoronix Test Suite 2.4.1. The idea is to give users a standard software stack to run the testing suite ensuring that the underlying operating system doesn’t interfere with the validity of the results.

Highlights of PTS Desktop Live 2010.1:

  • Custom Linux Kernel 2.6.33 Release Candidate 6;
  • Based on the latest Ubuntu 10.04 LTS Lucid Lynx packages;
  • 43 tests from the Phoronix Test Suite 2.4.1;
  • Stripped-down version of GNOME 2.29;
  • Designed for relatively modern hardware.

It requires:

  • Modern 64-bit AMD or Intel processor;
  • 2GB of RAM;
  • An ATI, NVIDIA or Intel graphics card;
  • Internet connection.

Phoronix has gone to great lengths to ensure that PTS Desktop Live 2010.1 squeezes every last ounce of performance out of the PC and that all unnecessary components are removed. As such, the developers have put the Linux Kernel 2.6.33 on a diet, taking out support for older hardware and platforms and the Anzhofen 2.6.33-rc6-phx10 kernel weighs in at just 16 MB, being some 40 percent smaller than the vanilla Linux Kernel in Ubuntu, Phoronix says.

The developers warn that this means that you’ll likely need a machine not older than two or three years to ensure that everything works. Continuing with the minimal design, PTS Desktop Live 2010.1 comes with just a customized GNOME 2.29, a web browser and a text editor and, obviously, the newly released Phoronix Test Suite 2.4.1.

The next release, PTS Desktop Live 2010.2 (codenamed “Rottbach”), is expected to land at about the same time as the upcoming Phoronix Test Suite 2.6, in May 2010. A version of the live OS designed with netbooks in mind, PTS Netbook Live 2010.1, should be coming soon.

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NaggiePapugLinux 10.1 Has Arrived

Friday, February 26th, 2010

PapugLinux is a lightweight, Gentoo-based distro using the Fluxbox window manager and a number of other applications with an equally small footprint.

PapguLunux 10 1 Has Arrived 2 PapugLinux 10.1 Has Arrived

For the year 2010, the PapugLinux 10.1 is the major release in a little over a year and likely the only one for 2010 based on previous release schedules. PapugLinux 10.1 is mostly aimed at bringing the various software components up-to-date, though version numbers aren’t, for the most part, the newest ones.

In terms of package update and hardware support, Version 10.1 is a major release of PapugLinux. The latest version of X server will allow you to enjoy PapugLinux at the best capacity of your hardware.

PapugLinux 10.1 comes with a very short list of default applications installed with just the bare-bone functionality covered. The latest version updates the X-Window server to X.Org-7.4 (the latest stable release is 7.5). Mozilla Firefox 3.5.6 is included as the default web browser; email is handled by Sylpheed 2.6.0. and instant messaging by Pidgin 2.6.3.

For simple office tasks, the AbiWord 2.6.4 word processor and the Gnumeric 1.8.4 spreadsheet editor are also included. On the server side, PapugLinux 10.1 comes with the Apache 2.2.14 web server, the latest version, the Cups 1.3.11 print server and the ProFTP 1.3.2b FTP server.

PapugLinux 10.1 uses the Rox 2.9 file manager/desktop environment with a few customizations for better integration. The distro is designed as a Live CD that should run on even the oldest x86 hardware, but it can also be used as a stand-alone hard drive install.

No password is required, as the user ‘papuglinux’ is the default operating user. System user ‘root’ can be used by advanced users, the password has been set to ‘papuglinux.’ If you have 512 MB of RAM, try ‘linux copy2ram’ as boot option.”

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NaggieLinux group LiMo growing, Adobe joins

Wednesday, February 17th, 2010

US Software firm Adobe along with other three firms on Monday has joined the wireless Linux group LiMo, underlying the growing role of the Linux computer operating system in cellphones.

For software platforms on cellphones, the market is led by the Nokia’s Symbian operating system, but it has lost much ground over the last year to Apple Inc and Research in Motion, maker of the BlackBerry.

Linux, the computer operating system, is starting to win traction with Google Inc using Linux to build its Android platform, and Nokia rolling out its top-of-the-range model N900 using Linux Maemo.

According to head of LiMo, Morgan Gillis, there has been a step change for Linux in mobile. No other operating system now matches the vendor coverage of Linux — it is being commercially deployed by virtually all leading mobile device vendors from the largest downwards.

LiMo, a non-profit foundation, hopes to benefit from its focus on giving greater say over software development to telecoms operators.

The role of top operators in the platform – Vodafone uses it in its 360 offering – is a key attraction for Adobe, whose Flash is among the world’s most widely used web-based computer programs, and it has some 1.6 million developers.

Vodafone and other operators have strongly pledged for a smaller number of operating systems, as supporting them is a timely and costly exercise. However, in recent years, the number of large operating systems has increased, with new players like Apple and Google entering the mobile market.

In a latest twist Samsung Electronics — the world’s second largest handset maker and one of the key members of LiMo – unveiled in late 2009 its own smartphone platform.

Linux is the most popular type of free or so-called open source computer operating system which is available to the public to be used, revised and shared. Linux suppliers earn money selling improvements and technical services, and Linux competes directly with Microsoft, which charges for its Windows software and opposes freely sharing its code.

Japanese electronics firms NEC and Panasonic, and Israeli firm Else unveiled on Monday a total of seven new phones running on LiMo software.

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NaggieMuleSoft launches cloud-based Tomcat Web app server

Saturday, February 13th, 2010

This week, MuleSoft is launching Cloudcat that makes the Apache Tomcat Web application server available as a cloud-based service.

Cloudcat is a virtual image for developers and quality assurance persons to build and test connected Web applications in the cloud, which is available on the Amazon Web Services and GoGrid cloud platforms, according to MuleSoft.

Also, IT operations can expand data center capacity by using Cloudcat during peak times or as a cheaper alternative to hosting Tomcat on an internal server.

MuleSoft expects Cloudcat will initially be used mostly for development and testing as well as for deployment of certain classes of Web applications.

MuleSoft vice president of business and corporate development, Chris Purpura said, anything that runs on a Java servlet container can be deployed on Tomcat, and these are typically lighter-weight Web applications that need good scalability” and varying levels of customer demand.

Purpura also added, the application can take the advantage of elasticity by putting them in the cloud. However, Tomcat is not an enterprise Java server; it lacks the full Java stack. He said, you probably won’t deploy your Siebel application on Tomcat.

Features of Cloudcat include:

  • Provisioning of Cloudcat for developing and testing Tomcat applications.
  • A familiar deployment model in which applications are put on Cloudcat just as they would on a local Tomcat server.
  • Diagnostics of the Cloudcat runtime and MuleSource Tcat Server management console.
  • Integration with the Apache Maven Java repository, for integration between development and testing.
  • Integration with Tcat REST APIs for management and controls.
  • Enterprise support.
  • Inclusion of the MySQL database on Linux.
  • 32- and 64-bit images.

The price of Cloudcat Amazon Edition starts at 30 cents per hour and features Canonical Ubuntu Linux. Cloudcat GoGrid Edition starts at $29 per month, featuring Red Hat Enterprise Linux.

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NaggieOracle launches worldwide cloud computing tour

Thursday, February 11th, 2010

With the launching a roughly 50-date global road show on the topic for developers and system administrators, Oracle has officially put both the legs on the cloud-computing bandwagon.

In contrast to CEO Larry Ellison’s well-publicized mocking of cloud computing, the move stands, which he has deemed a rebranding and conflation of existing technologies. But it’s not as if the ongoing tour wasn’t telegraphed.

During a recent webcast on how the company plans to use the assets it gained from the purchase of Sun Microsystems, executives indicated Oracle’s main focus will be on helping customers build private clouds. In 2008, Ellison himself said, albeit with sarcasm, that Oracle would make cloud computing announcements in the future.

Ellison said, “If orange is the new pink we’ll make orange blouses. I’m not going to fight this thing”. “Maybe we’ll do an ad. I don’t understand what we would do differently in the light of cloud computing other than … change the wording on some of our ads.”

But the road show will apparently go further than that by detailing in depth Oracle’s particular take on cloud computing, a label that has been slapped on everything from virtualized, scalable pools of computing infrastructure, such as that sold by Amazon Web Services, to SaaS (software-as-a-service) applications.

Events’ attendees will be able to “break through the haze” surrounding the topic, as “Oracle experts” clarify how companies can take advantage of “enterprise cloud computing.” The topics will include the tips to develop a private cloud, how to move current IT environments to a cloud-like structure, and how to use public cloud options such as AWS.

According to 451 Group analyst China Martens, the company simply has to stake a public claim in cloud computing given how pervasive the market forces in this direction are. One issue facing Oracle is how to include the Sun technologies in its plans, and that work is probably not complete, she added.

Already the company has made it clear that it has no immediate designs on Amazon’s turf, as it has abandoned Sun’s plans for a public cloud service. According to Martens, Oracle has sometime to formulate its own answer.

She added, whatever [Ellison] says is going to get lots and lots of play, and sometimes he says whatever comes into his head. And Oracle has to pull back and rephrase that. That’s what they’re doing, but slowly and carefully. They can set their own pace but have to show they’re listening to the market and [are] not in a bubble.

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SuzanneDell plans new line of ‘private cloud’ servers this year

Tuesday, February 9th, 2010

Dell is planning to take some of the custom servers designed by its Data Center Solutions division for Web giants like Yahoo and Facebook and sell them to a wider range of companies, including large enterprises, according to Dell executives.

About three years ago, the DCS unit was formed to help Dell get more business from large Internet firms. Its engineers often spend several weeks on-site with those companies to design low-cost, low-power systems that meet the special requirements of their search, social networking and other Web applications.

In an interview, Dell executives said that hands-on role means the DCS group designs servers only for large companies, such as Ask.com and Microsoft’s Azure division, which order tens of thousands of servers per year, but that’s about to change.

Dell will turn some of those custom servers into standardized products and sell them to companies that order lower volumes of systems later this year, including enterprises building “private cloud” environments in their data centers, and a second tier of smaller Internet companies. They will likely be sold under a new brand, CloudEdge.

Andy Rhodes, a director with Dell’s DCS group, said “What we’ve found is, there are a whole bunch of other customers who want access to those designs but who are not buying in those types of quantities”. “So the big thing we’re solving now, and we’ll talk more publicly about over the next couple of months, is how to provide more of that capability to many, many more customers.”

Dell isn’t discussing specific products yet and is still working out details, such as whether the servers will be sold by DCS or through Dell’s standard server channels. But the goal is to offer the designs to a wider market, even while DCS continues to do custom work for very large customers..

DCS aims to build highly energy-efficient servers that pack a lot of computing power into a small space. The systems often forego redundant power supplies and fans, for example, which saves on component costs and energy bills.

That also makes the servers less resilient to failure — a trade-off large Internet companies are willing to make for lower operational costs. Companies like Google and Yahoo design their Web applications to run on such “fail in place” architectures, so that workloads are rerouted around failed servers with little or no disruption to services.

According to Barton George, cloud evangelist for Dell, the main thing with these hyperscale systems is that the availability and resiliency are baked into the customers’ applications rather than into the hardware.

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ShwetaIntel Pushes out VPro for Core I5, I7 Processors

Monday, February 8th, 2010

On Thursday, Intel announced a new vPro platform for its Core processors to make remote maintenance and management of PCs easier in an enterprise.

With vPro technology, Laptops and desktops enable IT administrators to use hardware-based technologies to manage and secure PCs through a wired or wireless network. The new vPro technologies will be in systems with Intel’s Core i5 and Core i7 processors, which were announced earlier this year, Intel executives said during a webcast on Thursday.
intel logo 2009,E U 194934 3 Intel Pushes out VPro for Core I5, I7 Processors

The vPro platform includes new hardware, which can solve a larger number of problems than prior vPro platforms. The technologies could help reduce support costs and the number of support visits to desktops, said Rick Echevarria, vice president of the Intel architecture group.

For example, a technology called Anti-Theft 2.0 uses software and hardware technology to remotely disable systems and lock access to data if a PC falls into wrong hands. A message can also be designed for disabled PCs that will be displayed after boot. This feature will be especially important to secure data on laptops, which can get easily stolen. The technology can also enable a disabled laptop remotely.

The new platform also includes technology called Keyboard-Video-Mouse Remote Control (KVM Remote Control), which gives support personnel better control of PCs remotely. Intel has introduced new hardware to enable the KVM capability, which helps establish a stable connection to remote PCs, Echevarria said. System administrators get pre-boot access to systems, which help solve a larger set of problems including disk and operating system failure.

Users will need to agree to start a KVM session with support personnel in order to maintain privacy, according to Echevarria. Built-in KVM technology also helps cut costs as it reduces the need for a KVM switch or software usually needed to enable such functionality.

As part of vPro, the new Core i5 and Core i7 chips will take advantage of a new instruction called Advanced Encryption Standard (AES) for faster data encryption and decryption. That could help secure data residing in servers or virtualized environments.

During the webcast, Brad Anderson, corporate vice president of Microsoft’s server division, said Intel has worked with Microsoft to enable vPro features on Windows 7. The platform enables Windows 7 to do things in System Center that previously required a desk-side visit from support, including remotely awakening and troubleshooting PCs.

The latest vPro platform based systems will include Intel’s Q57 Express chipset. Close to 500 hardware and software vendors will take advantage of the latest vPro technology. PC makers including Hewlett-Packard, Dell and Lenovo will be releasing systems based on the platform, according to Intel.

The company declined comment on whether the new platform will support systems with Advanced Micro Devices processors. But Echevarria said that there are scenarios that Intel has enabled with vPro that utilize specific Intel-developed technologies. For example, the new AES instructions are found only in Intel’s new Core processors, and do not apply to platforms that don’t include support for those instructions.

Advanced Micro Devices offers competitive tools to compete with vPro. It offers a tool to remotely fix PCs based on DASH (Desktop and Mobile Architecture for System Hardware), a suite of specifications set by Distributed Management Task Force for remote management of laptops and desktops.

Intel’s Core vPro processor technology supports standards such as DASH, Echevarria said in an e-mail. “Intel is a contributor to the specifications from the DMTF. Remember that standards are necessary, but not always sufficient,” he said.

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NaggieFacebook gets more Bing — and control of display ads

Saturday, February 6th, 2010

 Facebook gets more Bing    and control of display ads

On Friday, Microsoft said Bing will power Internet searches for Facebook’s 400 million members in an arrangement that returns control of display advertising to the social-networking service.

Previously, Bing had powered online searches on US Facebook pages.

According to Bing general manager Jon Tinter, Microsoft will provide Facebook users full access to Bing features as part of an “expanded cooperation in search”. You will start to see the fruits of our expanded relationship show up in the Facebook experience over the weeks and months ahead, he said.

According to Tinter, the companies mutually agreed that Facebook will take over selling display advertising posted at the website because it “just made more sense” given the unique nature of the website.

The control over the displaying advertisement by Microsoft served up at Facebook stretched back to shortly before the US software giant bought a 1.6-percent stake in Facebook in 2007 for 240 million dollars.

The arrangement was inked in a contract, which was up for renewal.

Last year, Microsoft launched its new Bing search engine.

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