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Operating Systems

Ubuntu 8.04 KVM Benchmarks

Back in January of 2007 we had looked at Linux Virtualization Performance as we had compared a running native OS (at that time, Fedora Core 6) against the same operating system running as a virtualized guest OS using Xen, QEMU with the (once closed-source) kqemu kernel module, and then KVM. In this testing we had found that KVM had performed well and won a number of the tests, but it wasn't the clear winner nor it had won by a substantial margin. However, the Kernel-based Virtual Machine had premiered with the Linux 2.6.20 kernel and it has matured quite a bit over the past year and a half since its christening. With that said, we are in the process of conducting new Linux virtualization benchmarks to see how these various implementations compare today. While the full comparison isn't yet ready, due to much interest surrounding Linux virtualization on desktops and servers, this morning we are publishing some initial benchmarks from the Phoronix Test Suite when running Ubuntu 8.04 LTS as the host OS and then running it as the guest operating system with hardware-based acceleration through KVM.
15 May 2008 - 9 Comments

gNewSense 2.0

Less than a week after the release of Ubuntu 8.04 LTS "Hardy Heron", the Free Software Foundation has gone ahead and released version 2.0 (named DeltaH) of gNewSense. For those not familiar with gNewSense, this is one of the few distributions certified by the Free Software Foundation as being a truly free Linux distribution. gNewSense 2.0 is essentially Ubuntu 8.04 LTS but with a few modifications to make it more free by removing some binary-only components. New in gNewSense 2.0 is also new artwork, switching the default web browser from Mozilla Firefox to Epiphany, Blag's deblob script in the kernel, and non-free GLX being removed from X.Org/Mesa. Here are a few screenshots from this latest release.
1 May 2008 - 6 Comments

Ubuntu 8.04 vs. Windows Vista Power Usage

In Q4'07 we had looked at Ubuntu's power consumption with all of their Linux releases going back to Ubuntu 5.04. While Linux has improved in recent years when it comes to power efficiency and optimizations, more processes running on the desktop had canceled out any real power improvements. Following that article was a look at power consumption between Windows and Linux. We had used an old desktop system in that comparison and Ubuntu 7.10 was consuming the most power while idling but Fedora 8 Test 3 had consumed the least amount of power and had beat out both Windows XP and Vista. While using the desktop, however, both versions of Windows had consumed less power than Fedora and Ubuntu. With Ubuntu 8.04 LTS now available, we have decided to run another simple power comparison. This time we are using a Lenovo ThinkPad notebook and an AMD server as we see whether Ubuntu Hardy Heron or Microsoft Windows Vista consumes less power.
25 April 2008 - 8 Comments

OpenSolaris 2008.05 Gives A New Face To Solaris

In early February, Sun Microsystems had released a second preview release of Project Indiana. For those out of the loop, Project Indiana is the codename for the project led by Ian Murdock at Sun that aims to push OpenSolaris on more desktop and notebook computers by addressing the long-standing usability problems of Solaris. We were far from being impressed by Preview 2 as it hadn't possessed any serious advantages over a GNU/Linux desktop that would interest normal users. However, with the release of OpenSolaris 2008.05 "Project Indiana" coming up in May, Sun Microsystems has today released a final test copy of this operating system. Our initial experience with this new OpenSolaris release is vastly better than what we had encountered less than three months ago when last looking at Project Indiana.
24 April 2008 - 13 Comments

Sun Solaris 10 5/08

While all of the Solaris excitement at Phoronix as of late has been around Solaris Express Developer 1/08 and the forthcoming release of OpenSolaris 2008.05, today Sun Microsystems has announced the immediate release of Solaris 10 5/08. This update to their Solaris OS includes major enhancements for those running Intel hardware, a number of new features, updated applications, the introduction of Solaris OnDemand, and updated drivers.
23 April 2008

BeleniX 0.7 OpenSolaris Desktop

Long before Sun's Project Indiana came about, BeleniX has been one of our favorite GNU/Solaris distributions. BeleniX has been a LiveCD based upon OpenSolaris, but with yesterday's release of BeleniX 0.7 it is now a source-level derivative of the Project Indiana blend of OpenSolaris. Today we're taking a quick look at this new release.
16 April 2008

Ubuntu 7.10 vs. 8.04 Benchmarks

Back in December we looked at the initial Ubuntu 8.04 Alpha 2 performance by comparing it to Ubuntu 7.10. In that article we had found the performance between the two releases to be roughly the same. Now that we're nearing an end in this development cycle as Ubuntu 8.04 LTS (Hardy Heron) will be released later this month, we've ran a new set of benchmarks comparing the latest Ubuntu 8.04 packages to the previous Gutsy Gibbon release.
10 April 2008 - 10 Comments

Fedora 9 KDE Rawhide (2008-04-04)

The beta of Fedora 9 was released just short of two weeks ago, but the Fedora Project has released new Rawhide snapshots of Fedora in its live form. No installation DVDs are being made available due to bugs, but there are 2008-04-04 Rawhide snapshos for both the GNOME and KDE LiveCDs. The KDE spin is already upgraded against the just-released KDE 4.0.3 release, which most noticeably has KHTML, KWin, and Okular improvements. Here's a few screenshots from Fedora 9 Live KDE (2008-04-04 Rawhide).
5 April 2008 - 7 Comments

Gentoo 2008.0 Beta LiveCD

Gentoo 2008.0 Beta 1 has been released. This is no April Fools' Day joke, it's really here. The Gentoo Foundation has had its share of problems as of late, there was never a Gentoo 2007.1 release, and this first beta is coming a bit late, but Gentoo 2008.0 Beta 1 is now available. We have some screenshots up of the Gentoo 2008.0 Beta 1 i686 LiveCD.
1 April 2008 - 20 Comments

Zenwalk Live 5.0

If you're still on the quest of finding the best desktop Linux distribution for your needs, one worthy contender that often goes overlooked is Zenwalk. Zenwalk is a Slackware-based distribution that uses the Xfce desktop environment and is light-weight but comes with a variety of useful desktop applications. Zenwalk Live 5.0 was released this past week and it features LiveCD install support and capabilities for easily remastering your own Zenwalk LiveCD media. In addition, Zenwalk 5.0 has a few extra enhancements in the area of natural language support, multi-media, and WiFi drivers (both native and through ndiswrapper).
30 March 2008

556 operating systems articles published on Phoronix.
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