![]() ![]() SEE: All of TechRepublic’s smart person’s guides Executive summary We’ll update this resource periodically when news and updates about VirtualBox are released. This smart person’s guide is a quick way to get up to speed on VirtualBox. Anyone that wants to test out new platforms, develop, or manage virtual machine (VM) servers can turn to this free, open source tool to strengthen their skills or expand their company’s services. On the Processor tab, you can dedicate additional CPU cores if you really want your VM to soar.VirtualBox has been enabling open source enthusiasts, IT admins, and tech writers to host various operating systems on a host machine for years. If its performance stutters, try giving it a bit more assuming your PC has enough. In the System category, you can adjust a VM's RAM. Click a machine in the VirtualBox main menu and choose Settings to review its options. Most of your VM's properties aren't permanent. ![]() The system will have to inspect the virtual disks and pulling the plug when the OS is busy could result in lost data. You can use this if a VM is frozen, but don't do so unless you have to. Power off the machine: Powering off the machine is like pulling the plug on a real PC, instantly killing it.Choosing this option will tell the VM to shut down and execute a clean shutdown cycle. Send the shutdown signal: This is equivalent to clicking Shut Down in the VM's OS.This is a bit like to putting your computer to sleep, except the saved state will persist until you re-open the VM. Next time you start the VM, VirtualBox will pick up exactly where you left off. Save the machine state: Selecting this option will "freeze" the VM's current state to your hard drive and close it.Check the Updates tab at the top to install updates for your apps as well as OS updates. This is your one-stop place to install software for Linux. To install software, click the Ubuntu Software icon on the Dock - it looks like a shopping bag.Check out some ways to learn Linux Terminal if you want to dip your toe in. Once you get used to it, typing commands is a lot faster than navigating visual menus. You don't have to be scared of the Terminal - it's not necessary for casual use of Ubuntu.Click it to open a search bar that lets you search for files, apps, and more. The Ubuntu icon at the top of your Dock is like the Start Menu in Windows.This is where you can change your wallpaper, adjust sound options, add accounts, and more. Click the Settings button on the left Dock to open Ubuntu's System Settings menu.Check out our tips on customizing Ubuntu and must-have software for a new installation for more. In case you've never used Linux before, you should know a few things about how Ubuntu works to get around your new VM. ![]() Windows will shut down and then VirtualBox will automatically close the VM. Then hit the power icon, followed by Shut down.
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