Convert virtual machine from vmware.vmdk to virtualbox.vdi

Easiest way to convert virtual machine from vmware.vmdk to virtualbox.vdi is to use these two tools: qemu and vditool
Navigate to you vmware machine which you would like to convert. Then run following command:
qemu-img convert -f vmdk vmware.vmdk -O raw virtualbox.bin
then you need to download vditool from:
http://www.virtualbox.org/download/testcase/vditool
make vditool executable:

chmod +x vditool
Use vditool to convert virtual images:
./vditool [...]

Linux -> Parents -> Child -> Web Browser Content Filter -> Safe Blacklist -> Keywords

Today I was reading article about how to protect children against the obscene and dangerous web sites coming trough the Internet to our homes. There are many techniques how to achieve this goal. People with technical prepositions have a options to filter content via proxy server, use modems with web content filters features or use [...]