I'm trying to apply an individual BIOS update to many servers. In the old days, I'd use Rufus to make a USB stick bootable, copy the BIOS update file to it, walk to the server room, plug it in, boot ...

I'd prefer not to have an ISO image 55GB in size, I'd like it to be of just what i have installed which right now is about 900 MB. I tried to 'dd' it but it created a 55GB image (size of the hard ...

Simply put, making an ISO image of a hard drive is to create a 1-to-1 backup copy that consists of a .iso file. Nowadays, as computing technology develops, users have many ways to image a hard drive ...