Author Archives: cviorel - Page 10

Installing NoMachine NX on Ubuntu 7.10

NX allows you to run remote X11 sessions even across slow or low-bandwidth network connections, making it possible to start sessions from clients running on Windows, Linux, Mac OS X and Solaris platforms to servers running, at present, on Linux or Solaris. Note that development for extending server support to Windows and Mac OS X platforms is in progress.

NX, thanks to exclusive X protocol compression techniques and an integrated set of proxy agents, improves the power of the X Window System to transparently run graphical desktops and applications through the network, by reducing round-trips and implementing strict flow-control of data traveling through low-bandwidth links. Even on slow or low-bandwidth network connections, you can get impressive performance thanks to NX’s lazy encoding algorithm and NX’s capability to automatically tune itself to network bandwidth and latency parameters.

Moreover, NX also can connect to remote RDP and VNC servers, relying on the rdesktop and TightVNC clients by encapsulating the RDP or RFB session within the X11 session.

Here’s a screenshot:

Diagrams showing how NX works. (Copyright NoMachine)

Session shadowing

Desktop sharing

An X11 session

Look at the screenshots below to find out how to get started with NX:

First download the files for the server from here.

For Ubuntu, use NX Free Edition for Linux DEB – i386.

You’ll need to download three files: client, node and server.

Change your working directory to the location where you saved the package and install it by running from a console:

For detailed instructions on how to install the NX Client, NX Node and NX Server packages, please look here.
sudo dpkg -i nxclient_3.1.0-2_i386.deb
sudo dpkg -i nxnode_3.1.0-3_i386.deb
sudo dpkg -i nxserver_3.1.0-2_i386.deb

After installing the server, on your Windows computer, download nxclient for Windows and install it.

Once it’s installed, run it, and enter the IP address of your Linux computer to connect, give it a session name for your own reference, and choose your connection speed.

Here you can download the manual or you can view it online here.

KeyTouch – The easy way to enable multimedia-keys!

Screenshot-keyTouch 2.3

Keytouch allows the selection of profiles to select your keyboard model from a list in its database. If your keyboard is not present, you can “train” it by starting up keytouch editor and pressing the relevant keys whilst identifying them.

It comprises of two tools: KeyTouch – The tool to setup a keyboard that is already in the database.
KeyTouch-Editor – The tool to setup your keyboard by teaching it. You select your multimedia keyboards input, then press keys and indetify them from a drop down list. Save the configuration file when your done and simply import into Keytouch itself.

Installing KeyTouch & KeyTouch Editor
Open a terminal and enter these commands:
sudo apt-get install keytouch keytouch-editor

More details, here.

Nokia 6230 on Ubuntu

Wammu is mobile phone manager running on Linux, Windows and possibly other platforms, where Gammu and wxPython works.

To install it on Ubuntu issue the following command:
sudo apt-get install wammu
Here is a screenshot:

To make your Nokia 6230 connect to Ubuntu using a bluetooth device, edit your ~/.gammurc file to contain:

port = xx:xx:xx:xx:xx:xx
connection = bluerfphonet
name = Nokia 6230
model =

Replace xx:xx:xx:xx:xx:xx with the MAC address of your phone.
To find out the MAC address of your phone, run:
hcitool scan

You can now launch Wammu and start playing with the phone.

gt5 – a diff-capable ‘du-browser’

gt5 is a console command which provides an easy to understand interface to show a detailed disk usage list. Due to its console nature, i recommend using this tool for remote computers too.

Install it on Ubuntu using the following command:
sudo apt-get install gt5

gPhone User Interface Walkthrough

In the following video, Sergey Brin and Steve Horowitz give us a short demonstration of Google’s new open source platform for mobile devices, Android.

Vista Incapable Stickers (Designed for)


iftop: display bandwidth usage on an interface

iftop does for network usage what top does for CPU usage. It listens to network traffic on a named interface and displays a table of current bandwidth usage by pairs of hosts.
More info here.

Install Firefox Add-ons for all Users

It is possible to install Firefox add-ons for all users that use a computer instead of installing them for every user separately. This is helpful if you are the computer guy in the family for instance and want everyone to have a basic set of extensions enabled that add functionality and security to the accounts.

The process of installing Firefox add-ons globally looks like the following. Download the xpi file instead of clicking on it which would install it directly. Once the add-on has been downloaded you use the following command at the run prompt (type Windows R):
firefox -install-global-extension

Let me give you an example:
firefox -install-global-extension c:\extension.xpi
The add-on will be silently installed and is available normally afterwards in the Tools > Add-ons menu of Firefox. Only administrators may uninstall the add-on but it is working for all users who are running Firefox.

Install Nodoka (Fedora theme) on Ubuntu

1. Install build-essential and libgtk2.0-dev packages:

2. Download Nodoka GTK+ engine 0.6 from here.

3. Extract tarball package:

4. Now go to gtk-nodoka-engine-0.6 directory:

5. Configure:

6. Make:

7. Install:

Install theme

1. Get Nodoka theme 0.3.2 from here.
Then execute command in terminal:

2. Copy the Nodoka folder to themes folder:

Use theme
Click System -> Preferences -> Theme menu command. In Theme Preferences dialog, choose Nodoka item.


Qps Visual Process Manager

Qps is a visual process manager, an X11 version of “top” or “ps” that displays processes in a window and lets you sort and manipulate them.
Install it on Ubuntu using the following command:
sudo apt-get install qps
Screenshot-Qps - cviorel@outsider

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