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:

Installing Android Studio in Ubuntu 16.04

Before installing Android Studio you must install Oracle Java. If you not yet installing java on your system, read this guide Install Oracle Java 9, 8, or 7 in Linux Ubuntu and Derivative.

After you install Orcale Java in Linux, follow this instruction to installing Android Studio on Linux Ubuntu 16.04.

$ sudo add-apt-repository ppa:paolorotolo/android-studio
$ sudo apt-get update
$ sudo apt-get install android-studio

After Android Studio installed, you must follow the wizard to download some packet to complete installation.

Happy Programming...

Install Oracle Java 9, 8, or 7 in Linux Ubuntu and Derivative

The simple way install Oracle Java in Linux Ubuntu and Derivate. Follow this instruction:

Adding ppa repository:

$ sudo add-apt-repository ppa:webupd8team/java 
$ sudo apt-get update
$ sudo apt-get install oracle-java8-installer

If you want install Oracle Java 7, use this command:

$ sudo apt-get install oracle-java7-installer

Enable Hibernate Menu in Ubuntu 16.04

First test hibernate function, before active hibernate in your Linux Ubuntu. In Command Line, type

$ sudo pm-hibernate

or

$ sudo systemctl hibernate

If success, you can continue activate hibernate, if failed never activate this function. Maybe because of this Ubuntu not include Hibernate Menu.

To enable Hibernate Menu in Ubuntu, follow this instruction: