Change UUID Virtualbox in Windows and Linux

When you get "UUID already exists" because you copy existing virtual drive (.vdi, .vmdk). To avoiding this error, after you copy existing image to new image you must change UUID.

In Windows: Open "Command Prompt"

"Program Files\Oracle\VirtualBox\VBoxManage.exe" internalcommands sethduuid D:\Path to\image.vmdk

In Linux: in Terminal only type

$ VBoxManage /Path-to/image.vmdk

Related search: how to change uuid virtualbox on windows

Reading UFD (USB Flash Drive) or External Hard Drive in Linux

How to read USB Flash Drive or DVD Disc, BD Disc in Linux?
Are you only using Command Line Interface? You are using old Linux?
Ok.. This is the simple tutor to access content in your UFD (USB Flash Drive, DVD, or BD.

The first: plug UFD or External HDD to USB port, then type dmesg to recognize your device.

# dmesg | tail

Troubleshooting Bluetooth in Linux

Your Bluetooth not running? Can't detect others bluetooth devices? Can't send and receive file from Bluetooth? Usualy Wi-Fi or Bluetooth with Broadcom Chipset always getting problem in Linux. To solve this problem the first find the error and what is your chipset.

# modprobe -r btusb
# modprobe btusb
# dmesg | grep -i bluetooth

Make your Ubuntu Like Mac OS X

Transform your Ubuntu to Mac OS X

MacBuntu, Ubuntu Like Mac OS X

Change your Ubuntu like Mac OS X or you can call MacBuntu. Follow the instruction: