What is the loopback interface and how does it differ from the eth0 interface? And why do I need to use it when mounting an ISO or running a service on localhost?
Is there a linux vfs tool that allows bind a directory in different location (like mount --bind) in user space?
For a user process, I want to mount a directory in other location but in user space without root privilieges. Something like mount --bind /origin /dest, but with a vfs wrapper. Like a usermode ...