Gone are the days when vnc was considered a trojan. Today, vnc most distributions have a version of this daemon to remotely administer a computer visual environment.

Despite the installation is quite trivial, the development of the instrument can be problematic, especially the first time.

I report a brief guide as well for the Red Hat-derived distributions such as CentOS and Fedora.

We assume that the window manager X Windows is properly installed and running, need not be currently in use. You can find servers that have no headboard and monitor but still provide a visual interface with vnc.

More detail from here INSTALL AND RUN VNC SERVER STARTUP Lubuntu
Full story is here VNC server on Fedora and CentOS

Using machines (virtual or not) remote, I often have to use VNC to access the desktop, sometimes you need a graphical environment. I learned a few days ago Guacamole, program that provides access to the vnc desktop via a standard Web browser that supports the HTML5 canvas tag, however.

The program works very well and quickly, the only thing a bit ‘complicated is the installation. First you need to install tomcat6. For the heart that makes the whole thing is a Java application that sends the information to the browser to display the desktop. We perform the installation:

Now that the web server is installed, you must download the program from this link. After unpacking the archive, what we are facing are some xml files (configuration files) and a war (archive containing the application itself). This is the installation procedure:

The files are now installed on the webserver but you must configure them. In particular, / etc/tomcat6/guacamole-users.xml find the pair user: password is requested that we open the application, it is not the vnc password to a password but its application. In the file / etc/tomcat6/Catalina/localhost/guacamole.xml instead contains the VNC server information:

The parameters of interest are the three listed above, and are filled with data from the VNC server. In particular, to calculate the door, it is necessary to obtain the number virtual desktop started vnc (: 1 for example) and add it to 5900. In this case, then the server to which we connect to is: 1. To start a new vnc server of course type the command:

If this is your first time you start up a vnc server, you will be prompted for a password for access (insert is not required), what must be included in the file guacamole.xml. Now restart the web server:

and Colleghiamoci application via our browser (compatible with an eye to use the HTML5 CANVAS tag, Chromium / Chrome or Firefox are fine 5) using the link:

There will first be prompted to authenticate the program. If you have not changed the username is guacamole-users.xml ‘Guacamole’ and password ‘changeme’, of course is strongly recommended to change it. After entering the password of the VNC server (if of course has been set):

There you now have access to your vnc server is much simpler, in fact, by setting such as the Tomcat port 80, you can access the remote desktop in peace even in the presence of proxy not too lenient!

Read related article at VNC & HTML5: Display the remote desktop via a web browser with Guacamole
More info at VNC over SSH tunnel and access from MacOSX

For all directors is very handy to have a remote access to their systems. Ultr @ vnc, which I introduced here, is a great utility with many features, geared to vnc Windows users. The approach is “a la PCAnywhere”, unlike the Windows remote desktop connection. Species may be useful in some cases: for example, when the other side there is someone who should see what we do, or when you want to interact with the shell of Lotus Domino (and do not want to use the live console).
Since Ultr @ vnc allows full access, the security implications must be understood and properly managed.

Ultr @ vnc communicates “clear”, which means that communications are not encrypted by default. In theory, an attacker who had access to communication between a server and a client Ultr @ vnc, might steal session data.
There are two main implications to be considered, using Ultr @ vnc in an environment where security is important:

* Encryption – Encrypted communication make the interception of data much more dificult
* Authentication “strong” – Provides a mechanism to determine with greater certainty (more than just the password), that only authorized clients can connect to the server.

More detail from here VNC for Android
Check the full detail here VNC Viewer for Android released

already present in the core of our ESXi, specifying a password, a port for

each of the VM and logically enabling the vnc service.

Procedure (from Carry out each of the VM for which you want skilfulness this feature):

1) Make the Power Off Virtual Machine.

2) Connect to the server via SSH or using the VMware ESXi Hidden Console (alt + F1) if you are physically on the server.

3) Posizionari inside the following path: / vmfs/volumes/datastore1/CentOS 64bit (in this case we are performing the operation on a CentOS 64-bit).

4) Edit the file. Vmx, in this case called: CentOS 64bit.vmx (ESXi provides you with “you” as an editor).

5) Add at the end of this file the following lines of code:

remotedisplay.vnc.port = “port”

remotedisplay.vnc.enabled = “true”

remotedisplay.vnc.password = “password”

Replace vnc the values ​​”Ports” (to use a different port each VM) and “password” with those you deisiderati. example:

remotedisplay.vnc.port = “5901″

remotedisplay.vnc.enabled = “true”

remotedisplay.vnc.password = “esxiVnCView”

6) Exit and save (in vi press Esc and type: wq).

7) Carry out the Power On the VM.

Use a vnc client to connect to the vnc port of your virtual machine by inserting ESXi server IP (not the specific VM) and the specified port (different for each VM)) in the file. Vmx.

More info at In VMWare ESXi you can connect to each virtual machine via a VNC server
Read related article at In VMWare ESXi you can connect to each virtual machine via a VNC server

Increasingly we need to have access to the systems we have at home. Fortunately there are many software on the AppStore. Today we announce Remoter.

Remoter: Remote Desktop is an application, available on the AppStore, released a Universal version. With it, we can access both Windows PC to our Mac
In fact, the vnc protocol is a protocol-platform: Mac OS X is already installed by default, while in Windows we have to install the server component.
Remoter is also very useful for accessing UNIX systems, also having the management of the SSH protocol.

Let’s see the features:

* Support to vnc;
* Support for SSH, Telnet;
* Support for iPhone OS 4.x onwards;
* Virtual Trackpad;
* Supports WOL, Bonjour, NetBIOS, and;
* Support for gestures of IOS.

Remoter: Remote Desktop is available on the AppStore for iPhone and iPod Touch at a price of 0.79 € and is vnc localized only in English.

More info at VNC We check our PC / Mac Remoter

vnc (Virtual Network Computing) is a system by which we can remotely control any computer, so that if multiple PCs are connected to the same network or the Internet, we can work without problems even at a distance, using our mouse and your keyboard.

Just install the server application on your computer to vnc be controlled and the client (or viewer) on your PC, from which, indeed, we will check the host, introducing the corresponding IP address and setting a password to protect the connection.

With the free version of vnc we can already control the market of any operating system (Windows NT 4, 2000, XP, Server 2003, Linux, Solaris, HP-UX, AIX, …), with the fee including the latest Windows Vista , Server 2008, Windows 7 and Mac OS X.

Connect to your home PC from anywhere in the world with your laptop or any other computer, without complicated configurations, thanks to vnc.

Check the full detail here VNC : Check any PC remote access.

As I wrote in another post you can access your Mac remotely, but if you want to control your Mac from a Windows system?

One immediate solution is to use a famous software for the Microsoft world, Real vnc , this application allows you to add the VNC protocol to Windows systems.
Real vnc I suggest you download the free version, the software is also available for GNU / Linux.

During installation, you can choose the modules to be installed, by default installs the server and the viewer,
a choice that I advise you to be able to make more operations possible.

After installation you can use the Viewer going to call Run vnc Viewer from the Programs menu / RealVNC / vnc Viewer 4,
to connect you just enter the IP address of the server and, after pressing OK, you will need to identify themselves with a password of your choice.

With vnc the program Real vnc Viewer, you can also change the connection options,
in fact if you press the Options before you connect you can have different formats in configurations where you can change the behavior of the vnc viewer.
If you want a good yield of the service I advise you to double check the setting of the maximum number of colors and the data compression algorithm.

Read related article at Real vnc Windows systems in the hands of Mac
Read related article at Real vnc Windows systems in the hands of Mac
Full story is here Real vnc Windows systems in the hands of Mac

(vnc stands for Virtual Network Computing) is a graphical system designed to access remote machines: protocol-based RFB (Remote Frame Buffer),
allows you to remotely control a machine. So, as guaranteed by the Remote Desktop feature of Microsoft Windows systems,
it is possible to act on a remote computer as if it were local, acting on your desktop (and managing the components)
through the use of mouse and keyboard.

The vnc system is based on two distinct components. On the one hand you have the server,
need to be installed on your computer that you want to take remote control,
the other a client (or viewer) to be installed on the machine from which you want to access (and control) and remote.
You must also remember that vnc uses TCP ports, with the standard configuration, ranging from 5900 to 5906 (corresponding to as many remote screens).
The following steps illustrate how to establish a connection between a remote computer that uses Ubuntu 10.04 “Lucid Lynx”
(which will act vnc as the viewer) and a remote machine (in this case, on a LAN) with Microsoft Windows XP SP2.

Read the full story here introduction vnc
Check the full detail here introduction vnc

We begin by clarifying that with vnc does not mean a particular program, but a category of programs that allow remote control of a computer.
The acronym stands for Virtual Network vnc Computing vnc and the common feature is the use of such software RFB protocol, Remote Frame Buffer.
In this article we use a vnc server on a Linux system on a Windows system. The information provided will be helpful, however, in any case configuration.

The scheme is simple: on the one hand to control the computer on which to install the vnc server,
the computer controlling the other hand using the client component, the so-called viewer.
The two machines can be connected via a private LAN or through the public Internet.
In the latter case the work is likely to be more burdensome for the need to configure other devices such as firewalls and routers. vnc

Check the full detail here vnc : how to manage servers remotely
Full story is here vnc : how to manage servers remotely