KDE 4.3 is out now and the KNetwork Manager has matured quite a bit. Now this KDE tool has reached a point where it not only works consistently, it’s also quite easy to use – almost surpassing the GNOME Network Manager in user-friendliness.

But for those who have grown to depend on other means of connecting to the net (in KDE 4.x) by other means, the KNetwork Manager might seem a bit unfamiliar. In this tutorial you will see just how easy it has become to connect to a network (specifically a wireless network) with the help of KNetwork Manager.

Installation

You will be glad to know that there is no installation necessary for KNetwork Manager. But you will want to make sure you have the latest KDE updates. But you will want to make sure you are using the most recent version of KDE (As of this writing, KDE 4.3.2). To find out what version you are using open up the Dolphin file manager, go to the Help menu, and click “About KDE”. If you are using a version prior to 4.3.2 you will want to go to your update manager and check to see if there are any updates for KDE.

Accessing KNetwork Manager

Figure 1

If you look in the notification area you will find the KNetwork Manager icon (see the icon in the black square in Figure 1). If you click this icon (either right or left click) a menu will pop up that:

• Shows you if you are connected to a network.
• Allows you to stop an active network connection.
• Connect to a new network.
• Enable/disable wireless.
• Open the connection manager.

Figure 2

To create a new wireless connection either select “Connect to Other Network” or open the Connection Manager. Let’s start from the Connection Manager. Select that entry to open up the Connection Manager (see Figure 2).  As you can see there are already two network connections available. Let’s create a third.

Figure 3

In order to create a new network click the Add button, which will open up the New Network tool (see Figure 3). In this tool you can either add all of the information manually or you can click the Scan button to find the network you want to add. The scan tool is one of my favorite aspects of the new KNetwork Manager.

The Access Point Scanner (see Figure 4) gives you a graphical representation of all available wireless networks and their relative signal strength.

Figure 4

Obviously the network that appears closest to the PC icon in the window will have the strongest strength. And since that is the network I want to connect to I will select it and click OK. Unfortunately, by selecting a particular access point, the only configuration this adds to your connection is the SSID. You will have to go through the rest of the configuration and set the connection up. Make sure you  click on the Wireless Security tab (see Figure 5), select the proper security type, and enter the correct password for the security.

Figure 5

Once you have configured the connection you can OK this window to apply the changes and dismiss the connection wizard. All you then need to do is click the KNetwork Manager icon and select your new network connection to connect.

Final thoughts

I am very pleased with how the KNetwork Manager tool has matured. Prior to 4.3.2, the network tool was nothing I would ever recommend. Now, however, I can safely recommend this network manager to anyone.

Virtual Router is another application released a few days ago as beta that makes use of the virtual Wifi options in Windows 7 and Windows Server 2008 R2. Unlike Connectify though it has been released at Codeplex which suggests that the program will remain free even after it has been released in a final version.

The program’s interface contains only a few options. The Start Virtual Router button being the most important. This button is only active if the computer uses a supported wireless adapter. Other options include changing the network name, password (recommended as the default password is always the same). Virtual Router uses WPA2 Encryption to provide a solid protection for the wireless network.

Virtual Router can be downloaded from the program’s Codeplex page. It is only compatible with Microsoft Windows 7 or Windows Server 2008 R2 and requires a compatible wireless adapter.

To do that open a Windows command prompt with the shortcut [Windows R] [cmd] [enter] and type in the command ping -t www.google.com. This will ping Google and display the time it takes. If you see spikes like in the screenshot below you are experiencing wireless lags.

The easiest way to fix wireless lags is by downloading and running Wireless Zero Shutdown when running Windows XP or Vista Anti Lag when running Windows Vista.

Running either of the software programs will stop the Windows service from scanning for new wireless networks regularly as soon as a wireless connection has been established.

The wifi-wiz interface is easy to use and can save your networks so that reconnecting is simple. This is a boon for anyone who has had issues getting wifi working on a Debian-based laptop.

Getting and Installing

Installing wifi-wiz is simple. Download the compressed .deb file from the creators’ site. Once the file is on your machine open up a terminal window, change into the directory where the file was saved, issue the command:

tar xvf wifi-wiz.tar

and then issue the command (as root):

dpkg -i wifi-wiz.deb

which will install the package.

Running wifi-wiz

Once Wifi-wiz is installed you wan start the application with the command wifi-wiz. NOTE: You will have to have root privileges in order run the software.

Wifi-wiz Main Window

When wifi-wiz starts you will see a very simple, easy to navigate window where all of the action takes place.

The first thing you should do is click on the Scan button which will scan the area for wireless networks. When the scan is finished all you have to do is select the network you want to connect to, configure that network (with which protocol you will connect, what wireless security type, the security key for the network, and if you want to set the DNS servers. Once you have the settings for your network done all you have to do is click Connect and your laptop will quickly connect to the configured access point.

Saved Networks

Once you have a network saved in Wifi-wiz you can click on the manage tab to change any configurations necessary. From this tab you can also delete a network and disconnect from a network.

Settings

From the settings tab there is an important setting you can take care of. If you want to run the wifi-wiz daemon at boot you can set this option here. You can also set the interval between connection checks for the daemon. Once you make any changes to your connection properties make sure you click the Save Network button.

Final Thoughts

I have used many wireless device managers on Linux. I have also tried a number of wireless device managers on this particular laptop. The one manager for debian systems that works with the most consistency is Wifi-wiz. It’s simple to use, reliable, and (in some cases – such as Elive) is the only option that works.

If you are looking for a good wireless manager for Debian download Wifi-wiz and give it a go. And, if you’re up to the task, create an rpm from the deb so this application can be used on more distributions.

WiFi SiStr (Wi-Fi Signal Strength) displays and logs the signal strength of the wireless connection. This can be helpful if you want to find out why the wireless connection drops frequently or if you want to make sure that the signal strength is sufficient all the time.

The signal strength is displayed in real time and the statistics can be used to analyze a connection over time.

The application is compatible to Windows XP, Windows 2000 and Windows Server 2003 but incompatible to Windows Vista currently. The .net framework 1.1 is required to run the software.

The commands to backup and restore wireless network profiles on the command prompt are netsh wlan export profile name=”name” folder=”folder” and netsh wlan add profile filename=”name” just in case you are asking. Regular users however will never discover this possibility and that’s where Wireless Migrator comes into play. Actually it’s of course also helpful for tech savvy users who want to speed up the process.

The software comes as an executable named BackupWireless.exe that automatically creates the backup RestoreWireless.wnb of all wireless network profiles upon execution. Executing RestoreWireless.wnb will restore the wireless network profile on the computer.

The tool wants to register the wnb file extension at first start. To remove those Registry settings use the switch BackupWireless.exe /remove. To restore a wireless network profile without registered file extension use the command BackupWireless.exe RestoreWireless.wnb. A tool cannot be easier than this one, great work.

It displays a radar like image with different colors dots. Green dots mark free wireless connections while red and yellow ones mark inaccessible ones. Once a green spot has been discovered by the software it automatically tries to connect to that Wireless access point to access the Internet.

It’s opening the default browser and loading a test website. A message stating the success will be shown if the connection was successful. It is really amazing how easy it is to find open wireless access points in towns. Should be harder if you are living in a rural area though.

I would not advise to check the mail from such a spot though unless encryption is being used. It’s not likely but possible that someone is using the open access point to snoop on the data of everyone who is connecting to it. Easy WiFi radar is available for Windows and Pocket PCs.