Virtualbox can modified to boot from usb or external hdd usb with OS system in it. Here is the command We can replace /dev/sdbx according to the mounting point of the external usb. Next, create a new machine in virtualbox and put the vmdk we…

I have a new flash drive of sandisk, I plugged in to the laptop. It mounted okay, but can’t do anything into it. I inspected it, and it read only. According to the source here, there was something wrong with the mount utility. I have…

My filter won’t run. I wonder why, until today, I found out about the crash of the zmfilter.pl the command to execute the filter. After blogwalking a while I found out about the crash in Arc system. The solution is to create a file called…