31st Jul2012

Scan IP Network show Computers Network Devices with Angry IP Scanner

by Gyro

Angry IP Scanner (aka "ipscan") is a network scanner designed to be fast and simple to use. Angry IP Scanner is a open-source and cross-platform software to Scan IP Network show Computers Network Devices in a certain IP range.

Angry IP Scanner not only finds computers and other devices connected to the network. For computers/devices found in the network, it will also display the host name, as well as scan and list their open ports. Angry IP Scanner has many other features to in regards to Scan IP Network show Computers Network Devices.

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30th Jul2012

Setup Virtual Hosts using Apache2 on Ubuntu 12.04

by Gyro

When I started programming website on a localhost, I often ran into issues setting up SEF URLs. So, I started using virtual hosts by creating fake domain names and then make them connect to the local apache server via the hosts file.

For example, if I work on webdesignblog.asia on my localhost, I am accessing webdesignblog.dev, which is a fake domain linked to my localhost via the virtual hosts (enabled sites) and hosts modifications.

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27th Jul2012

EXT4-fs: group descriptors corrupted! Cannot mount disk using Ubuntu

by Gyro

Whaaa, Datageddon! My 2TB external just decided to stop working. "dmesg | tail" gave me the worst of the worst messages: "EXT4-fs (sda1): group descriptors corrupted!", which translates to me as "kiss your data bye bye"…

After some searching I came across the magic terminal commands to solve the problem:

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26th Jul2012

Resize VirtualBox Disk Image – grow, expand, increase a .VDI disk image in 1 minute

by Gyro
Resize VirtualBox Disk Image -- the easy and the hard way.Today I actually used up the 20GB of virtual disk space I set for the Windows XP I use for specific Windows Software. Who would have thought that an old Windows XP license would be useful again, eh? :)

After performing a quick search on how to manipulate an existing VDI file, I found a bunch of lengthy guides, all pretty much saying the exact same thing… create a new VDI, load the old and new VDI disk images into a Virtual Machine as a master and slave drive, boot with a gParted or equivalent BootCD image, and then clone the old disk to the new one… or in short: do a lot of steps that take forever, but not what I want: Resize VirtualBox Disk Image.

virtualbox

After flipping through the 10th or so guide, I realized that pretty much all of them were written in 2008… very unusual as bloggers usually write about the same subject on a yearly basis. That in mind, I search a bit more and… BINGO! Since VirtualBox 4 is out, there is a simple command line tool to resize VDI images. Man, those extra 5 minutes of searching just saved me from a lot of hassle and a huge waste of time.
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25th Jul2012

Android Installation on a HTC Touch Diamond 2 Topaz Windows Mobile

by Gyro
Today I put XDAndroid on a colleague's phone for the second time, after the memory card broke a couple of days ago.

This task is surprisingly easy, once you know what to do ;)

XDAndroid is a special version of Android, modified to work on older smart phones, like the HTC Touch Diamond 2 aka Topaz.

Up to 10% OFF Android Tablet PCs

Huge Savings Click Here!

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25th Jul2012

Samsung SCX-3405W Network Printer & Scanner Installation/Configuration on Ubuntu 12.04

by Gyro
Today we got a new printer from Samsung, one reason being that the Installation CD boasted to support Linux. It's actually the first Samsung printer I ever used, so… the "Linux Installation" turned out to be a non-functional Java Applet, which looks like it is supposed to help setup the Printer to connect to the WiFi… needless to say -- it didn't work, at least not until after I had setup and configured the printer, at which point I didn't need to use it anymore.

I configured the wifi settings of the printer using the USB connection, a Windows PC, and the Windows portion of the Installation CD provided with the printer. After it was configured, I disconnected it from the USB, so there is only the power cable now.

Here is the quick and dirty guide on how to install the Samsung SCX-3405W Network Printer (and Scanner) on Ubuntu 12.04, which should also work for older Ubuntu releases, as well as other Debian based distributions.


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23rd Jul2012

Install JDownloader for Ubuntu – DLC Download Container App

by Gyro

Install JDownloader, the DLC Download Container App for Ubuntu.

JDownloader is an open source software, written completely in Java and platform independent. Download files from One-Click-Hosters like Rapidshare.com, Share-Online, BitShare, FreakShare, or CloudNator.com — it works for users who don't pay, and users with a premium account can enter their account details to download with Full Speed. JDownloader can open DLC files and download multiple files at the same time, it has captcha recognition, and even extracts archives automatical once all files have been downloaded. JDownloader is absolutely free to use, as you would expect from Open Source software.

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21st Jul2012

Automatically update Twitter – Announce new WordPress Post

by Gyro

I finally took the time to create a twitter app to be able to automatically update the twitter account with an announcement each time I post on Web Design Blog. So, if you got a Twitter account, it now makes sense to follow me ;)

If you are curious how I did it, here the 2 minute guide:

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21st Jul2012

CSS3 Background Gradient Generator

by Gyro

I was just looking for the right way to create gradient backgrounds using css3 that work in all modern browers.

Instead of the typical guide with loads of text to scan, I stumbled upon this very useful generator.

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19th Jul2012

Fix problem with broken package that cannot be uninstalled in Ubuntu

by Gyro

During an update some package broke and caused apt-get to throw a fit. I could't remove the package, nor could I update it. It was really annoying, as no update would work, as long as this broken package was there.

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17th Jul2012

Firefox does not support getElementsByClassName

by Gyro

This is just a friendly reminder that Firefox does not support getElementsByClassName…

but not to worry, unless you are doing some really weird programming, we can use getElements to accomplish almost the same thing.

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17th Jul2012

Resize/Shrink Software RAID1 FileSystem/Volume/Partition and setup a LVM on the free disk space created

by Gyro
This is a guide on how to shrink a Software RAID1 filesysten, volume, and partition on a dedicated/remote server. I added the sources that helped me complete this task at the bottom of this post. It took about 2 days to get this sorted out, mainly because I am a Jack of all traits, and a master of none. :crazy:

This guide on how to resize a software raid1 should work on most Linux Distributions. I used a dedicated server located in Strassburg running Ubuntu Server 12.04, and I connected to it via ssh from Asia. :wooty:

Here my setup prior to doing this:

Two 2 TB hard disks (sda/sdb) with 3 partitions each
sda1/sdb1 -- md0 -- /boot
sda2/sdb2 -- md1 -- swap
sda3/sdb3 -- md2 -- /
md2 uses pretty much all the space.

Here the setup after completing the steps below:
Two 2 TB hard disks (sda/sdb) with 4 partitions each
sda1/sdb1 -- md0 -- /boot
sda2/sdb2 -- md1 -- swap
sda3/sdb3 -- md2 -- / (~320GB)
sda4/sdb4 -- md3 -- LVM "nova-volumes" (~1650GB)

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06th Jul2012

Merging video, multiple audio tracks, and subtitles into one file

by Gyro

As a movie lover living in a household that speaks 3 languages, multiple audio tracks are a must for a movie, and at least English subtitles for those of us who are not native speakers of the audio we are listening to.

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05th Jul2012

Customize your OS with Ubuntu Tweak

by Gyro

Ubuntu Tweak is an application to make configuring Ubuntu easier for everyone. It provides many useful desktop and system options that the default config-tool for the desktop environment doesn't provide.

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02nd Jul2012

Scenic – A Video Conference Software on Steroids!

by Gyro

Scenic is an on stage telepresence system that allows for real time transmission of audiovisual data over any IP network. Scenic can be used in various artistic contexts, so that two different creative spaces can communicate with each other or present a combined performance. Thus, a dramatic work could be performed simultaneously in Paris and Montreal, with actors viewing each other and replying live over the network.

Scenic facilitates the transmission of high quality streaming audio-video at a guaranteed low latency on quality networks. It can transmit a maximum of 64 non-compressed audio channels, offers numerous audio and video codecs and allows the choice of compression ratio.

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