virtualization

问题 I am trying to create a docker image for my java application. At startup this application needs to be given a password (currently via console). I tried several methods of obtaining input however they have all failed. Is this a limitation of docker and if so is there a workaround? For this snippet: Console console = System.console(); if(console == null){ System.out.println("console is null!!"); } else { System.out.println("Input password: "); char[] password = console.readPassword("Pass: "); }

问题 I have a DataGrid which has a DataTable set as its ItemsSource. The DataTable holds 24 columns and ~1600 rows (actually I will have to load alot more rows later on, but for now this is troublesome enough). Despite setting virtualization for columns and rows active, the DataGrid takes around 30 seconds to display those 1600 rows. After that, scrolling vertically works fine, horizontally is laggy, though you'd expect it the other way around. If I run a memory profiler, I can verify that most of

问题 I'd like to write a sandbox virtual machine for executing a compiled program. My goal is to isolate that program from the rest of operating system and control its execution so that it can't do anything harmful to a host computer. I assume that: executed program is compiled to Portable Executable format and it's in machine code, not in any kind of byte code or for CLR, executed program is not allowed to communicate with peripherals like printer, scanner, and doesn't use any GUI, executed

问题 can any one suggest good reading on virtualization 回答1: I would suggest the Intel Software Developer's Manuals, specifically volume 3B, chapters 20-30. They describe the architecture in detail. 来源： https://stackoverflow.com/questions/4710354/how-does-x86-virtualization-work

问题 I am new to Windows Phone 8 application development. I installed SDK 8.0. When I run my application, it shows an error telling me to enable Hyper-V. While searching, I found this MSDN documentation with a solution in the BIOS. But when go to my BIOS settings, then there are no such options available . Any suggestions? 回答1: Step 1: Enable Virtualization in BIOS You need to enable Virtualization Technology (VTx) under the System Security option in the Security tab of your BIOS management menu.

问题 I'm considering opening up a project to create an i-phone virtual machine for android 2.0 (read motorola droid) before i do so i have some questions: Does one already exist that i just missed? Can the the Droid's Arm Cortex A8 down-clocked to 550MHz (thanks wikipedia) handle an I-Phone abstraction layer? Performance wise the best thing to do is write the app in C++, but for the health of the system, would it be better to put the iphone vm on top of the dalvik vm? Which approach would be

问题 We have a series of rectangles produced inside a Canvas and they are nested in this order ScrollView>Canvas>VirtualizingStackPanel>Rectangles in the XAML. There seems to be little information on Microsoft about under what senarios Virtualization is supported, and in cases where it isn't no error is thrown, it merely treats it like a standard StackPanel. Given that our view has roughly 60 rectangles on the screen at any one time out of a total of about 800 on the whole canvas the loading times

问题 I’m hoping some of you with experience using amazon EC2 could offer some advice… of course it’ll be subjective which is fine, I’m pretty sure your guestimate would be better than mine. I am planning on moving all my client’s websites from shared hosting environments to Amazon EC2. They’re all pretty low traffic sites (the busiest site receives around 50 unique visitors a day). There’s about 8 sites, but I may expand this as I take on more projects and host more sites… current capacity

问题 I had a Win 8.1 hosted OS, running VS2013, and could test my WinPhone app in the emulator fine. The host OS is Win7 Pro. I reinstalled the hosted OS to Win10, and VS2015, and now I get the Hypervisor not enabled error when I try to test my app with the emulator: I've tried disabling and re-enabling HyperV (in the hosted OS) as per: Unable to start the Windows Phone Emulator But to no avail. I've also tried opening the BIOS setup (PhoenixBIOS) of the hosted machine, but there are no options

问题 I have a Windows machine with an Intel CPU (VMX Enabled on boot menu). I am running Ubuntu Guest on top of it using VirtualBox. I am running qemu on top of it to run another Guest OS, using kvm (the -enable-kvm option). I get the following error on trying to insert kvm-intel module: FATAL: Error inserting kvm_intel (/lib/modules/2.6.20-ARCH/kernel/drivers/kvm/kvm-intel.ko): Operation not supported I have checked for vmx flag in the guest OS and I dont see that either $ grep vmx /proc/cpuinfo