Name this virtual machine, select the operating system on Linux or Ubuntu Operating System with the corresponding version. Select the amount of RAM allocated to the virtual system, although Ubuntu doesn't need too much, but to ensure the operating system is working smoothly, you should choose 1GB:
Check the Boot Hard Disk box in the next window, and select Create new hard disk, then click the Continue button. The next window appears, which you will use to create the virtual hard drive, and then install and use Ubuntu. Click Continue , check Dynamically expanding storage box and continue Continue , declare capacity to create partition (here we choose 5GB) then Continue and Done.
Next, we have to set up this Ubuntu virtual machine to boot from the ISO file we just downloaded in the previous step. Start the virtual machine, you will see the First Run Wizard screen , select Continue to start the process. Go to Select Installation Media screen , select Media Type as CD / DVD Rom , in the Media Source section, press the button with the folder icon on the right:
The next window will appear, click the Add button above the left corner:
Point the link to the folder containing the ISO Ubuntu file:
Click Select, you will see the following figure. Click Next :
So we have completed the basic configuration. Now move on to the next step - install Ubuntu. This process will take about 30 minutes as usual. The main screen when properly set up is as follows:
Select the display language and click the Install Ubuntu button . When you move to the next screen, select Download updates while installing and Install this third-party software. Select this feature to apply the latest updates as well as accompanying support applications:
Some other setting options such as time zone at the window Where are you? For example in Vietnam we will choose GMT + 7, then press Forward :
At the step of creating and setting up the account, you declare the computer name, user name and password:
Such basic parameters initialization is complete, and now the installation process really starts, fast or slow depending on the machine configuration and part of the Internet connection speed:
When finished, restart the virtual machine when the Ubuntu system requires. And this is the result of the above process:
Above are the basic steps to install, set up and use Ubuntu inside Mac OS X with VirtualBox, the steps are quite simple and similar to VirtualBox on Windows. Good luck!