Internet Update
Tuesday, February 6, 2007
Juice - Podcast receiver
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BlogBridge - RSS feed reader
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Ziepod - Podcast receiver and player
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GreatNews - RSS feed reader
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NATATA eBook Compiler - Compile e-books or web sites
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Blog - Maintain a news and update web page
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Thingamablog - Create your own blog
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Linux 2.6.20 Kernel Goes Virtual
Version 2.6.20 of the kernel includes a bevy of fixes and features, notably the introduction of KVM (Kernel-based Virtual Machine) virtualization to the mainline kernel.
KVM virtualization in Linux 2.6.20 could potentially challenge open source virtualization specialist Xen, which has been aiming for Linux kernel inclusion for nearly two years. KVM was created and is maintained by technology start-up Qumranet.
However, the leader of the open source Xen project, Ian Pratt, said he doesn't see any competitive issues with KVM in the 2.6.20 kernel.
"Xen is a true hypervisor, whereas KVM is a legacy virtualization solution akin to VMware Workstation, VMserver and Microsoft Virtual PC," Pratt told internetnews.com. "It lacks the benefits of para-virtualization performance enhancements that have been pioneered by Xen and are now being copied by VMware and Microsoft."
Pratt also explained that Xen is no longer actively seeking inclusion in the mainline Linux kernel either.
"The Xen hypervisor is an operating system independent hypervisor that supports many different operating systems (Windows, Solaris, Netware, FreeBSD, OpenBSD, NetBSD) of which Linux is just one (though an important one), Pratt said. "Putting Xen into Linux doesn't make sense: hypervisors are different beasts from operating systems, so they share little code."
Plus, he added, "a large part of the Xen project is all the user space tools and libraries that would be totally out of place in the Linux kernel sources."
Enterprise Linux vendor Red Hat (Quote) isn't about to jump on KVM bandwagon for its upcoming Red Hat Enterprise Linux 5 release. Joel Berman, Product Management Director for RHEL told internetnews.com that Red Hat will not backport KVM to RHEL5.
"RHEL 5 will include integrated virtualization based on the Xen technology and Red Hat will be supporting that for at least seven years," Berman said.
Though not part of RHEL 5, KVM will find a home in the released version of Fedora 7 which is expected in April though early adopter can already get KVM in Fedora as a kernel update.
"Fedora moves at a brisk pace and has already offered updates to kernels with KVM," Berman said.
"This is a great example of why Open Source is a superior development model," Berman said. "Xen, KVM, lguest, OpenVZ and UML are very different technologies that are all improving at a rapid rate and have some overlap in capabilities. The open process allows all of these technologies to be examined and melded and eventually become part of the Linux ecosystem. "
The 2.6.20 is the first Linux kernel release of 2007. The prior update, version 2.6.19, was released at the end of November 2006.
In sticking with the football theme Torvalds used with the kernel release announcement, the Linux founder poked fun at Super Bowl Sunday.
"Before downloading the actual new kernel, most avid kernel hackers have been involved in a 2-hour pre-kernel-compilation count-down, with some even spending the preceding week doing typing exercises and reciting PI to a thousand decimal places," Torvalds wrote in the release announcement.
"The half-time entertainment is provided by randomly inserted trivial syntax errors that nerds are expected to fix at home before completing the compile, but most people actually seem to mostly enjoy watching the compile warnings, sponsored by Anheuser-Busch, scroll past."
Posted by Wiz at 4:46 AM 0 comments
Labels: Internet News
Security Luminaries Start RSA on a Data Tip
Symantec, whose CEO John Thompson will give a keynote speech at the show tomorrow, has issued new network access control products that dictate who has access to what data on a corporate network.
The company has upgraded its Symantec Network Access Control (SNAC) 5.1 software to include agentless NAC enforcement, Mac OS X agent support and an integrated 802.1X supplicant.
The software runs on the Symantec's Enforcer appliance, which the company purchased when it bought Sygate in 2005, a machine that helps ensure business networks, branch offices and mobile employees comply with security policy when accessing networks from desktops, laptops or handheld computers.
Rich Langston, senior product manager at Symantec, said offering Mac support will give customers more choices with which to protect their corporate assets.
SNAC will be available Feb. 7, 2007, directly and through the network of Symantec's channel partners, and worldwide in mid-to-late March 2007.
Symantec, which recently bid to buy Altiris to boost its IT management holdings, expects to compete with Cisco Systems, Juniper Networks, Extreme Networks and several other vendors in the NAC space.
Microsoft is also expected to come out strong with its NAC vision, which it calls Network Access Protection (NAP), when the Windows Server appears later in 2007.
McAfee meanwhile is no less focused on preventing data from getting into the wrong hands.
The software maker today took the assets from its acquisition of Onigma last year and delivered the McAfee Data Loss Prevention (DLP) Host.
DLP Host, as the name suggests, is host-based, so the agent sits like a security guard on desktops or laptops to stop the leak of confidential data, which happens both through malicious and unintentional mishaps.
Vimal Solanki, senior director of product marketing at McAfee, said the DLP Host prevents data from leaving computers through e-mail, instant messaging, printed documents, USB drives and CD-ROMs.
"We are all data leakers," Solanki said. "When we transmit data, we put it at risk, or when we print something and forget to pick it up, or copy something onto a USB drive and lose it in an airline seat pocket."
Careless copying or transmission of data aren't the only ways data gets compromised; sometimes disgruntled employees or perpetrators are the culprits, copying data to USBs and e-mailing them from a Web e-mail account to competitors.
Protection against such instances, he argued, is something that today's security gateways can't reliably provide from their positions at the edge of a network.
DLP Host doesn't just protect assets in the workplace; the software works for remote users at home or on the road by enforcing data protection policies even when laptops are disconnected from the corporate network.
Moreover, Solanki said the DLP Host also provides granular policies, authorizing whether someone is permitted to exchange data via e-mail, USB devices or Web mail.
Solanki said such features make McAfee like its chances of cracking into the data leakage market versus vendors WebSense, which recently bought PortAuthority for data leakage technology, Tablus and Vontu.
"It's a crowded market, but we believe our solution and our presence and brand is going to be very well received," he said.
Regardless of who is offering what, evidence suggests that the data leakage market will be big; the Privacy Rights Clearinghouse claims more than 100 million data records of U.S. residents have been exposed due to security breaches since February 2005.
These data losses have wreaked havoc of some corporate entities, causing lost revenues, damage to brand reputation and reduced consumer confidence.
Posted by Wiz at 4:43 AM 0 comments
Labels: Internet News
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Posted by Wiz at 4:18 AM 0 comments
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Posted by Wiz at 4:16 AM 0 comments
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Posted by Wiz at 4:09 AM 0 comments
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Posted by Wiz at 4:06 AM 0 comments
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Ebook - Make Money From Home
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Ebook - Be Your Own Psychic
Posted by Wiz at 2:40 AM 0 comments
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