Debian: Shutdown when pressing power button


when you install Debian with just the Standard minium System utilities a power off by pressing the power button is not possible.

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Windows: Finding a driver which leaks memory


if your system runs out of (physical) memory and no process could be identified who is allocating the memory, the paged- or nonpaged pool could also have an high memory load.
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Windows: Using deduplication on a volume


since Server 2012R2 Windows has the ability to enable deduplication on volumes. This means Windows can find identically blocks on a volume and create references to them. So the block is just stored one time.
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VirtualBox: Boot from USB


Virtualbox allows to boot from USB. But this feature isn’t exposed to the GUI.

Lets start. First of all determine the physical disk. Open Powershell and query the disks by WMI

PS D:\> Get-WmiObject -Query "Select * from Win32_DiskDrive"

Partitions : 3
Model      : Samsung SSD 850 PRO 512G
Size       : 512105932800
Caption    : Samsung SSD 850 PRO 512G

Partitions : 1
Model      : Generic USB CF Reader USB Device
Size       : 4030387200
Caption    : Generic USB CF Reader USB Device

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