I click the small CD icon to the right of the dropdown, then “Choose Virtual Optical Disk File”, then finally browse to the CentOS Minimal Installation I downloaded earlier. In the far right column, a dropdown box has “IDE Secondary Master” selected. In the Settings window, I click “Storage” on the left column, then select the “Empty” entry in the “Storage Tree”. I single-click to select the new machine, and click on the orange “Settings” icon to go “insert” the downloaded ISO disk image for installation.
I now have a new virtual machine listed on the left of the VirtualBox Manager window. With VirtualBox, this can be unnecessarily difficult. I went with a 100 GB max size for my virtual disk, then clicked Create.įinally our machine is ready, but now it needs an Operating System (OS). I went with the default of “dynamically allocated” for the virtual disk allocation. VDI is VirtualBox’s own format for virtual disks - if curious about the other options, check out this link. For hard disk file type, I went with the default of VDI. I went with the default of “Create a virtual hard disk now”. Obviously you’ll want enough RAM for the Operating System to work … probably no less than 2GB these days, even for a “lightweight install.” Next. I went with half of my RAM, as I will actually be doing development in this machine. Click Next.Ĭhoose how much RAM you want to dedicate to this VM when it’s running. You can also specify the Type (Linux) and the Version (I went for “Other Linux, 64-bit). Pick a name (this is a name used only by VirtualBox). I picked a mirror from here: Create a machine in VirtualBox. You may need Admin access to allow Oracle to install a few drivers as well. You need your BIOS-level virtualization bit flipped, if it isn’t already. Here are the steps I took, explained at a “Newbie” level of detail. Today I spent a solid hour getting a basic CentOS install going in a VirtualBox VM. I’ve given it a try for 3 months … but it’s time. I recently changed jobs, and my new employer is ALL IN on Windows.
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