Top 10 Free Windows 7 Applications

  • 7-Zip file archiver – a polished, quickly, and efficient file archiver. Supports the following formats, 7z, ZIP, GZIP, BZIP2, TAR, RAR, CAB, ISO, ARJ, LZH, CHM, MSI, WIM, Z, CPIO, RPM, DEB and NSIS.
  • Infra Recorder – User-friendly and lean recorder suite for CD / DVD / HD DVD / Blu-ray. Supports also creation of music CDs from MP3 files directly.
  • VLC Player – The best and most user-friendly film and video player. Simply a must have.
  • Launchy – A so called key-stroke launcher. Makes it smart and easy to start programs in Windows just like Quicksilver does it for Mac and Gnome Do for Gnome under Linux.
  • Paint.NET – Good, polished, and fast photo processing and editing program. Smarter and more user friendly than Adobe Photoshop ;-)
  • PDFCreator – Easy and quick program to create PDF files. PDFCreator easily creates PDFs from any Windows program. Use it like a printer in Wor d, StarCalc or any other Windows application.
  • Notepad++ – Wonderful and quick editor for text and various programming languages.
  • uTorrent – BitTorrent client used to download movies, software and music albums from the peer to peer net. The stuff for download can often be found on thepiratebay.org or torrentz.com.

  • Firefox – Quick and easy to use browser. A Must have on Windows 7.
  • Picasa – Easy and simple program for managing and storing photos and photo albums.
  • iTunes – super duper program managing music collections, it can handle tons of mp3 files ;-)
  • VirtualBox – easy and fast virtual machine that can be used to test Linux distributions, and to install windows inside another windows ;) – Fancy, fancy and quite usable.
  • OpenOffice – complete office suite containing; Word processing, Spreadsheets, Presentation editor, Drawing, Database programs and etc. A must have, and it works better than Microsoft Office.
  • Inkscape – Drawing program for drawing vector drawings (logos and such things).
  • Scribus – Polished, user-friendly DTP program, used to create brochures, catalogs, reports, articles, etc.

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Top 10 Downloads for Ubuntu 9.04

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Howto: Resize Xen Loop Disk Image

Win4lin, KVM, QEMU, Virtualbox and Xen are all widely used technologies, used in virtual servers. Fairly often a virtual server run from within a loop filesystem and generally start with a fairly small file (1GB is big for a normal file, but not when it is pretending to be an entire filesystem!)

However things often grow over time.

Here is a nice simple procedure for increasing the size of a loop filesystem, if the filesystem is ext2 or ext3 (the procedure should work for ext4 too, but I havn’t tested it yet)

1. Stop the virtual server that is using the loop filesystem
2. Add some extra space to your loop filesystem file
# dd if=/dev/zero bs=1024k count=1024 >> loop_image_file

This adds 1GB to the end of a file called loop_image_file (make sure to use the append output redirector >> not a single >, otherwise you’ll have an empty 1GB file!)

3. Force a check on the resized/increased filesystem
# e2fsck -f loop_image_file

4. Resize the filesystem within the loop filesystem file
# resize2fs loop_image_file

5. Start the virtual server again

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Convert from VMWare To VirtualBox

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Virtualization Visualization with Visio

Visio Guy » Blog Archive » Virtualization Visualization with Visio

Whether you are looking to conserve energy, optimize your hardware usage, or rapidly test a wide variety of software configurations, some sort of virtualization is surely in your future.

And if you are a Visio Guy or a Visio Gal, you’ll surely want to make a diagram to better see how your network’s hardware is set up.

I’ve been hopping around the net looking for (mostly-free) Visio-related resources for virtualization. Here’s what I found…

Microsoft Office Visio 2007 Professional Add-In for Rack Server Virtualization (Virtual Rack)

Microsoft offers and add-in that might save you having to do any manual drawing in the first place! This add-in that works with Visio 2007 to help you plan virtualization. It auto-generates your rack and detailed server diagrams from an Excel template, allowing you to visualize where you can save on space and power.

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Opening and Forwarding Ports To A VirtualBox-based Guest

Here are the commands used to open and forward the host’s port 2222 to the guest’s port 22 (SSH Server Port).

Type this into a terminal:


VBoxManage setextradata nameofyourguest "VBoxInternal/Devices/pcnet/0/LUN#0/Config/ssh/HostPort" 2222
VBoxManage setextradata nameofyourguest "VBoxInternal/Devices/pcnet/0/LUN#0/Config/ssh/GuestPort" 22
VBoxManage setextradata nameofyourguest "VBoxInternal/Devices/pcnet/0/LUN#0/Config/ssh/Protocol" TCP

Could also be used to forward PostgreSQL and HTTP:


VBoxManage setextradata nameofyourguest "VBoxInternal/Devices/pcnet/0/LUN#0/Config/postgresql/HostPort" 5432
VBoxManage setextradata nameofyourguest "VBoxInternal/Devices/pcnet/0/LUN#0/Config/postgresql/GuestPort" 5432
VBoxManage setextradata nameofyourguest "VBoxInternal/Devices/pcnet/0/LUN#0/Config/postgresql/Protocol" TCP
VBoxManage setextradata nameofyourguest "VBoxInternal/Devices/pcnet/0/LUN#0/Config/http/HostPort" 8080
VBoxManage setextradata nameofyourguest "VBoxInternal/Devices/pcnet/0/LUN#0/Config/http/GuestPort" 80
VBoxManage setextradata nameofyourguest "VBoxInternal/Devices/pcnet/0/LUN#0/Config/http/Protocol" TCP

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Importing / Exporting Virtual Disk Images with Virtual Box

Importing / Exporting Virtual Disk Images with Virtual Box : Prosthetic Conscious

Importing / Exporting Virtual Disk Images with Virtual Box

Virtual Box is amazing for an open source project. It comes close to VMWare in usability. Where it falls short is importing and exporting images. There’s no support in the user interface for this. If you feel comfortable using the command line, you can export and import a disk image. Here’s how,

To export:

1. Shut down the VM
2. Use the “VBoxManager clonevdi …” CLI to copy the disk image. On my Mac this was at /usr/bin/vboxmanage

To import:

1. Register the disk image: File>Virtual Disk Manager>Add
2. Create a new VM, and use the disk image you added in step 1

The obvious problem is that the .vdi file is just a disk image. It doesn’t capture the virtual machine. You must know the correct parameters to use when you create the VM in the import process or the disk image won’t be able to run. It also doesn’t capture the state of the virtual machine.

Vbox has a very nice snapshot feature. If one could import / export snapshots it would be perfect.

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