Using the same mouse and keyboard in two or more computers

If you work with more than one computer on your desk, to be sure you felt the need for a utility to share the keyboard and mouse between them.
Synergy lets you easily fill this need. Its use is free because it is an Open Source application.
Exists for various platforms such as Linux, Mac OS X and Windows.
In the next picture you can see an example of using this "small wonder".


In this article I will explain how to install and use this utility in Debian-based operating systems. In my case, I installed a computer with Linux Mint and the other with the Magic Box 16.
Summary of features:

 - Share your keyboard and mouse between multiple computers.
 
- Multiplatform - works with various types of operating system.
 
- Sharing the clipboard - can copy and paste between multiple computers.
 
- Free (open source).
 -
Easy to switch between the different environments - just dragging the mouse.
Installation:
apt-get install quicksynergy
Note: The Quicksynergy is the graphic component of Synergy, which advise otherwise, can only install the Synergy, but have the set up and use the command line.
 
Start Synergy:
If not in the menu, press Alt + F2 to open the program execution and write quicksynergy -> Run.
Setup:
Exemplifying a small scene consisting of a desktop computer (PC) and laptop (notebook).
1. Begin on the two computers quicksynergy.
2. In the main computer (the one with the keyboard and mouse) only need to put the service to run the Execute button on the Share tab. In the following figure is displayed quicksynergy side of the main computer, where the words left, up, right and bottom define the session name to which the laptop will connect.
 


3. On the client computer, or on the laptop, the configuration is done in tab Use. After the specified IP address is simply to call the Execute button.



Este utilitário foi sugerido 
pelo nosso seguidor Adaíl Oliveira.

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Loss of signal with a VGA connection, DVI or HDMI

Very briefly, this problem arises when you turn off the monitor cable and reconnecting, that with the computer and monitor running. In practice, when you reconnect the monitor cable from the graphic does not come back, showing a screen in text mode, forcing the user to restart the computer to overcome the problem.  
Possible solution: 
If there is no xorg.conf file, run the command X-configure. This command will create the home user who is sitting in a model of the xorg.conf file. Then move that file to the right place, which should be in / etc/X11/xorg.conf (may vary with the distro used). The final step lest the problem with signal loss is uncomment the xorg.conf file Section "Device" video card the following line: 
Option    "HotPlug"    "0"

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Configure network interface on FreeBSD

My contact with FreeBSD has been little, but today, I needed to configure a network interface with static IP address. The best I got was to do:  
  1. Run the command sysinstall 
  2. Go to configure -> Networking -> Interfaces 
  3. Select the interface (example le0). 
  4. Configure the network parameters: Name, Domain, IP Mask, Gateway and DNS.  
  5. Finally it is recorded and exits from the configuration tool.  
By now the setup should be working, if you still can not ping any host on the network and gives you the message "Permission denied" in all likelihood have the firewall active. You can stop the firewall with the command ipfw disable firewall.

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In times of crisis, Linux may be the choice!

According to this news digital diary (DD), the "Linux advances on Windows andUnix in the Enterprise '! Needless to say that I read this news with great satisfaction. As the crisis global installed, there are already many administrators who intend to migrate servers to free platforms, says the second study that formed the basis of news dd. I hope you do not remain the intention! In Portugal, despite the crisis hit, I think this market (open source) will not grow, because mostmanagement applications (billing, accounting, etc.) work on Microsoft platforms(client and server) and not simply its migration to Linux based systems. One day,perhaps, this paradigm shift, that is, the technology is all over the market! Have you thought about buying a computer solution for your company and only pay for the hardware, service and little more? Well no! And antivirus? You do not need!And antispyware? You do not need! And format the PC and need to insert a dateserial numbers that the client already lost? You do not need! And being forced tobuy the new new version of Windows and Office M. to keep up? You do not need!Of course, the Windows operating system also has its advantages, but when the discussion is cost containment, there is not much to say.

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Welcome Gnome3 or not!

Gnome3 started using when he left the CM17. Soon after its installation, the first impact was "uauuuu the Gnome3 is spectacular." After a few days, I started to miss some things in Gnome2, the list

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Not Grep!

It gave me a way to list several times using the grep command to the contrary, this is to list the contents of a file that contains less lines given string. For it is only necessary the-v parameter as shown below: 
# cat file.txt | grep-v "exclude".

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Mikogo - a great alternative to TeamViewer!

Teamviewer know? Well, I present you, if you do not know, Mikogo, which I think is an excellent alternative.

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