[Savannah-cvs] [SavannahArchitecture] (edit) precise vserver->xen changes wrt. remote access

[Beuc]

++added:
Xen architecture
================

++added:
Changes from !VServer
====================

Q: Is there somewhere to log in from which all the virtual hosts can be seen?

A: No.  !VServers could share a single filesystem, which was convenient,
but Xen have all virtual machines on separate filesystems (as it
isolates them at a lower level).  And filesystems cannot be mounted
in- and outside of the VM at once for consistency reasons.

As a consequence you need to login to each virtual machine directly.
To make it possibly SSH root access to them is enabled (while that was
blocked before).

You can log from colonialone to any virtual machine, even internal
ones (those that are not visible on the public network), as root's SSH
key is installed everywhere.


Misc
====


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