An easy way to wget

An easy way to create a wget command for downloading on linux using Firefox and cliget addon for Firefox

Step 1: Install the cliget addon
Step 2: Go to the download page
Step 3: When you click on the link you will get the download dialog with the wget command at the bottom
Step 4: Click Copy, to copy the wget command
Step 5: Click Cancel
Step 6: Finally paste the wget command in linux and happy downloading

Optionally you can use nohup utility with wget which allows you to start the download and then continue running in the background after you log out from the shell

nohup <<wget command>> &

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I use this all the time to download large installation files from oracle directly on to the linux box which often only has command line access.

Resize VirtualBox Disk (VMDK, VDI)

VBoxManage is the command-line interface to VirtualBox. With it, you can completely control VirtualBox from the command line of your host operating system. VBoxManage supports all the features that the graphical user interface gives you access to, but it supports a lot more than that. It exposes really all the features of the virtualization engine, even those that cannot (yet) be accessed from the GUI.

Resize a VDI disk:

VBoxManage modifyhd disk.vdi --resize [SIZE_IN_MB]

In case you try to convert a VMDK disk you'll see something similar to:

Progress state: VBOX_E_NOT_SUPPORTED
VBoxManage.exe: error: Resize hard disk operation for this format is not implemented yet!

You can work around this issue by converting the VMDK disk to a VDI disk format before trying to resize it. It could be necessary to boot the converted image before doing a resize!

Convert format of virtual hard disk:

VBoxManage clonehd disk.vmdk disk.vdi --format VDI

and then Resize a VDI disk:

VBoxManage modifyhd disk.vdi --resize [SIZE_IN_MB]