![]() ![]() ![]() Shared Folders – I use this all the time, but not when making a fresh VM.Until the Guest Additions are installed, doesn’t matter anyway. Serial – I’ve never used these at all, ever.Adapter 2, 3, 4 … unused unless you are expert.Adapter Type – Intel PRO/1000 MT this is important If your VM supports Virtio, that will be even more efficient AND faster than SATA.If you have wired and wifi, you’ll want to toggle between them here. Name – this is where you select which physical adapter the VM will use.Start bridged and experiment later with NAT. Bridged – I’ve used NAT, but sometimes it just doesn’t work.If your VM supports Virtio, that will be even more efficient AND faster than SATA. SATA Controller – AHCI If the controller chipset is available, select the latest ICH model this is important – SATA is much, much, much faster than IDE.Extended Features – disable both 3D and 2D acceleration.128MB video RAM – this is for a desktop.Check – Enable VT-x/ AMD-v (this must be supported by the CPU, MB and enabled in the BIOS).2 vCPUs would be a max for a desktop VM and only if you have 3 or more physical Cores. 1 CPU never allocate more CPU than you need.Check – Enable absolute Pointing device.Check – Enable IO APIC (absolutely critical).Base memory – 768 to 3.5 GB depending on your desires.Work our way though each of the vertical and horizontal tabs in the VM settings to set and verify correct settings for performance. Now we have a new VM, but it hasn’t been booted. Newer and more standard is better than other options. Select the ICH-based chipsets where available.This is more efficient than SATA or the Intel PRO/1000 network cards. If you are running a recent Linux, use virtio drivers for both the storage controller and network card.The actual card in the physical machine does not matter. This is in the Network Advanced Settings and not usually displayed by default. Be certain to have VBox emulate an Intel PRO/1000 network card.SSD performance is so high that there is not any downside to letting allocations grow dynamically. If you are using an SSD to hold the VM, then you can use sparse allocations. Be certain that you have defragmented the partition before as well. DO NOT USE dynamic allocation on spinning HDDs. When you create the disk storage for the VM, always preallocate the entire amount.All the others can be easily modified after the install and Linux doesn’t care too much. When it comes to the VirtualBox settings, only 2 of the virtual settings are critical during the new VM wizard. Not all of these settings are mandatory, but we didn’t spend too much time trying find the exact minimums. I’ll try to spell out the settings that are most critical again, in the order of the different vbox tabs. It appears that many of the formerly reasonable defaults in VirtualBox have been changed. I haven’t seen it, so these items apply only to the 4.1.xx releases. However, a new VirtualBox was just released and is supposed to have expert level interface changes. The good news is that we figured them out in about 20 minutes last night. It seems there are more instructions required now to make Ubuntu work under VirtualBox. I have switched 100% to KVM + libvirt + virt-manager + nxclient for my desktop VM needs. This will probably be my last update related to VirtualBox. The general ideas below apply to all VM solutions, not just VirtualBox. ![]() I have used the setting below on an Ubuntu 13.10 VM under KVM. It addresses the graphics side only, not the diskIO, network IO and other VM tuning shown below. I’ve seen a solution over at that appears to have worked for many people. Now there are methods to use Unity inside a VM. Canonical clearly has a different idea about virtualization than people like us. I understand that the desktop recognizes this and switches from using the GPU to doing all those calculations with the CPU if it must. Inside a VM, 3D graphics is a complete waste. The tips below will prevent Ubuntu Unity 3D from running. This is sad, since 95% of the Ubuntu people have no business using an OS with 6-9 months of support, but whatever. More and more people are running non- LTS Ubuntu systems. ![]()
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