Let's assume that you have a directory "test" containing the following files:  [root@blackmod test]# ls -la
total 8
drwxr-xr-x.  2 root root 4096 2010-03-10 06:11 .
dr-xr-x---. 11 root root 4096 20 [ ... ]

How to boot into rescue mode on a paravirtualized XEN guest
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How to access a virtual machines filesystems from Domain-0

Sometimes you have to access the filesystems of a virtual machine without boo [ ... ]