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====== Oracle VM Virtual Box Tricks ====== | ====== Oracle VM Virtual Box Tricks ====== | ||
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+ | ===== How to compact VM disk file ===== | ||
+ | |||
+ | For Linux VM, first you need to zero out the data on the disk: | ||
+ | sudo dd if=/ | ||
+ | |||
+ | zerofree command should be better but there are problems running it on Ubuntu systems | ||
+ | |||
+ | Next shutdown the VM and run the VBoxManage.exe modifyhd compact | ||
+ | c:\Program Files\Oracle\VirtualBox> | ||
+ | |||
+ | ==== Reference ==== | ||
+ | * https:// | ||
+ | * https:// | ||
+ | * https:// | ||
===== How can I start a VM without getting a window? ===== | ===== How can I start a VM without getting a window? ===== |