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Runnable Userspace Meta Programs in NetBSD 5.0

Submitted by Webmaster on Wednesday May 20, 2009

Rump (Runnable Userspace Meta Programs) is a kernel virtualization and isolation technique available only in NetBSD. Rump uses the standard user process abstraction to provide a virtualization container for kernel components such as file systems and networking. The first release to feature rump support is NetBSD 5.0.

Category:

Operating Systems > NetBSD

Tags:

bsd netbsd unix userspace

Policy for Handling Flags in Fedora

Submitted by Webmaster on Tuesday May 19, 2009

When a package contains flag images that are used (in the user interface, in documentation, etc.) to represent locations, countries, nations, other kinds of geopolitical entities, languages, other kinds of ethnocultural concepts, religions, political movements and institutions, and the like, and where such use is not technically or substantively essential to the package, those flag images must be placed in an -flags subpackage.

Category:

Linux Distros > Fedora

Tags:

fedora linux opensource

OpenOffice.org: Better diff of XML files

Submitted by Webmaster on Tuesday May 19, 2009

I needed to compare the FlatXML of two OpenOffice.org files. I usually reformat the XML files using xmllint and then diff those formatted XML files. However I couldn't properly see the differences between for those files because the attributes were on the same line with the element. In order to compare all the attributes one by one, I decided to hack xmllint (and then libxml2 too) as we discussed it recently with Tor recently.

Category:

Technology > Software

Tags:

openoffice opensource software xml

Suggest a name for Fedora 12

Submitted by Webmaster on Tuesday May 19, 2009

To recap on the rules:

1) <NewName> must have some link to Leonidas

More specifically, the link should be
Leonidas is a &lt;blank&gt; and
&lt;NewName&gt; is a &lt;blank&gt;
Where &lt;blank&gt; is the same for both

Category:

Linux Distros > Fedora

Tags:

fedora linux new-release opensource

Scala on Google App Engine

Submitted by Webmaster on Friday May 15, 2009

In their article, the three Google engineers, Toby Reyelts, Alex Rudnick and Lex Spoon show you how to implement Scala projects on the App Engine by taking you through two sample applications. They say "Overall, it looks like the scalac compiler produces jars that are so close to Java's that App Engine just doesn't notice or care. We can second that: it works for us too!"

Category:

Technology > New Feature/Release

Tags:

app-engine google scala

In depth Linode (VPS) review

Submitted by Webmaster on Thursday May 14, 2009

Linode is a VPS provider. Linode stands for "Linux Node." They offer relatively up to date initial Gentoo installations, among other distros.

Overall Grade: 9.5/10 (because no one is ever perfect)

Category:

Technology > Software

Tags:

linode linux opensource review software

Fedora 11: OpenChange (MS Exchange alternative)

Submitted by Webmaster on Thursday May 14, 2009

Natively access Microsoft Exchange using OpenChange. By using the libmapi library from OpenChange, tools such as kdepim and Evolution can become first-class clients of a Microsoft Exchange Server

Category:

Linux Distros > Fedora

Tags:

exchange fedora linux openchange opensource

GNU/Linux: rubbery figures don`t help the cause

Submitted by Webmaster on Thursday May 14, 2009

Over the last 10 days there has been a spate of reports all based on some surprising statistics titled "Operating System Market Share" put out by a company named Net Applications.
That there have been this many reports is all due to one fact - the figures put forward by this company claim that the use of GNU/Linux on the desktop has reached one percent of some subset of users.

Category:

Operating Systems > Linux

Tags:

business desktop linux opensource

The Programming Language with the Happiest Users

Submitted by Webmaster on Wednesday May 13, 2009

Which languages make programmers the happiest? It's clear that some languages are more popular than others, and many of us debate long and hard over the relative merits of Python vs Ruby, C vs Java or Lisp vs everything else. But what's the general consensus?

Category:

Web Development > Perl

Tags:

c c++ perl programming

Better ODF support in Microsoft Office via Sun`s ODF Plugin

Submitted by Webmaster on Wednesday May 13, 2009

The Sun ODF Plugin for Microsoft Office, which is based on OpenOffice.org, adds support for ODF to Microsoft Office 2000 and newer versions. So you don't have to use the very latest Microsoft Office 2007 SP2 version (in case you really need Microsoft Office for some reason) , where ODF support is insufficient anyway.

Category:

Technology > Software

Tags:

microsoft odf office openoffice.org software

Database Systems for Advanced Applications

Submitted by Webmaster on Wednesday May 13, 2009

Database Systems for Advanced Applications (DASFAA) is an international forum for academic exchanges and technical discussions among researchers, developers, and users of databases from academia, business, and industry, and has been a leading conference in the areas of databases, large-scale data management, data mining, and the Web. The 15th DASFAA will come to Tsukuba, Japan in April, 2010.

Category:

Technology > Software

Tags:

applications dasfaa database

Fedora 11: TigerVNC

Submitted by Webmaster on Wednesday May 13, 2009

There was no update from RealVNC upstream since May 18 2006 and upstream is focused on their enterprise non-open vnc. Trunk TigerVNC is RealVNC fork with many improvements/bugfixes so it makes sense to use it. Main problem is that current Fedora vnc has also many changes so patches have to be merged.

Category:

Linux Distros > Fedora

Tags:

client fedora linux tigervnc vnc

How to VPN using SSH

Submitted by Webmaster on Tuesday May 12, 2009

This post will cover how to establish a VPN (Virtual Private Network) using SSH.

This is technically termed "layer-3 IP-in-SSH tunnelling" and is not using ssh to port forward (ssh -L ) or create a dynamic "application level" forwarding (SOCKS) (ssh -D ). Rather a VPN is established using a SSH connection to create a virtual interface, tun0.

Category:

Technology > Software

Tags:

security ssh vpn

Intel and Nokia announce open source telephony project

Submitted by Webmaster on Tuesday May 12, 2009

Intel and Nokia are pleased to jointly announce the oFono project (http://ofono.org), an open source project for developing an open source telephony solution.

Category:

Cellular/Mobile Phones > General

Tags:

intel nokia ofono opensource telephony

Fedore 11: GFS2 Stable

Submitted by Webmaster on Tuesday May 12, 2009

A cluster filesystem allowing simultaneous access to shared storage from multiple nodes, designed for SAN environments. It is also possible to use GFS2 as a single node (local) filesystem by selecting the "lock_nolock" locking protocol.

Category:

Linux Distros > Fedora

Tags:

cluster fedora filesystem gfs2 linux

Openoffice.org: Sun Report Builder

Submitted by Webmaster on Monday May 11, 2009

Create with the Sun Report Builder stylish, smart-looking database reports. The flexible report editor can define group and page headers as well as group and page footers and even calculation fields are available to accomplish complex database reports.

Along with the flexible database client of StarOffice it is possible to create database reports from HSQL, Oracle, or almost any other database type.

Category:

Technology > Software

Tags:

builder openoffice opensource report software sun

RedNotebook: lightweight journal for desktop

Submitted by Webmaster on Monday May 11, 2009

RedNotebook is a graphical diary and journal to keep track of notes and thoughts. It includes a calendar navigation, customizable templates for each day, export functionality and word clouds. You can also format, tag and search your entries.

Category:

Linux Distros > Gentoo

Tags:

gentoo linux opensource rednotebook unixl

Interview with Edward Hervey about the opensource PiTiVI video editor

Submitted by Webmaster on Friday May 08, 2009

This is the fourth in a series of interviews about open source multimedia, the previous interviews were about Jokosher, Totem and Empathy. For this interview we talk with Edward Hervey who is the maintainer of the PiTiVI video editor. Edward will talk to us about the current status of the PiTiVi video editor and their plans going forward.

Category:

Technology > Software

Tags:

interview opensource video

Convert VMware .vmdk to KVM .qcow2 or Virtualbox .vdi

Submitted by Webmaster on Friday May 08, 2009

I wrote this how to as I was having problems converting a VMware image to KVM. The existing tutorials all suggest using qemu-img to convert the .vmdk, however it was not working as qemu-img only supports VMware 3 and 4 compatible image formats.

Category:

Virtualization > VirtualBox

Tags:

kvm virtualbox virtualization

Remote install of Debian overtop of RedHat

Submitted by Webmaster on Friday May 08, 2009

A very long time ago I leased some server space that had RedHat and I wanted Debian. So I did a remote install using the /swap partition as a / partition. I thought the notes were lost, but I found them. I include them here for historical (hysterical?) purposes only.

Category:

Linux Distros > Debian

Tags:

debian linux opensource redhat remote-installation

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