TOPIC: SYSINTERNALS
Compressing a VirtualBox VDI file for a Windows guest running on a Linux Host
11th February 2016Recently, I had a situation where my the VDI files for my Windows 10 virtual machine expanded in size all of a sudden and I needed to reduce them. My downloading maps for use with RouteBuddy may have been the cause, so I moved the ISO installation files onto the underlying Linux Mint drives. With that space, I then set to uncovering how to compact the virtual disk file, and the Sysinternals sdelete tool was recommended for clearing unused space. After downloading, I set it to work in a PowerShell session running on the guest operating system from its directory using the following command:
.\sdelete -z [drive letter designation; E: is an example]
From the command prompt, the following should do:
sdelete -z [drive letter designation; E: is an example]
Once, that had completed, I shut down the VM and executed a command like the following from a bash terminal session:
VBoxManage modifyhd [file location/file name].vdi --compact
Where there was space to release, VDI files were reduced in size to return more disk space. More could be done, so I will look into the Windows 10 drives to see what else needs to be moved out of them.
Windows Sysinternals
5th June 2007In an earlier post, I wondered about command line management of Windows processes. Well, I have since located the sort of tools that I was after as part of the Windows Sysinternals toolkit. It began as an independent endeavour and continued as such until Microsoft acquired them in 2006. You can find out more about the process utilities here, and the whole Sysinternals suite can be downloaded in a single package.