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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