[ubuntu-it] Fwd: Snap! A system snapshotter for Fedora / Ubuntu / Windows / and more

s@mba samba a autistici.org
Mar 20 Dic 2011 09:57:47 UTC

vi inoltro un messaggio dalla lista ubuntu per segnalarvi un nuovo tool che
permette di effettuare una snapshot del sistema.
Una snapshot  un sistema che permette di fare una foto immediata del
sistema prima di fare una qualsiasi modifica potenzialmente dannosa.

Ad esempio:
1. Installo SNAP
2. Eseguo la snapshot
3. Aggiorno Ubuntu 10.04 alla 11.10
4. Ubuntu nuova non va e non mi piace
5. Avvio SNAP e ripristinando il sistema e torno indietro

Decisamente meglio che effettuare un downgrade di ubuntu o reinstallare

Il tool si chiama SNAP ed  disponibile qui per chi vuole dare un occhiata
al codice:
[1] https://github.com/movitto/snap

A breve anche nei repo ubuntu

---------- Forwarded message ----------
From: Mo Morsi <mmorsi a redhat.com>
Date: 2011/11/22
Subject: Snap! A system snapshotter for Fedora / Ubuntu / Windows / and more
To: ubuntu-users a lists.ubuntu.com, users a lists.fedoraproject.org

 Hey all, I'm looking for help testing a project I've been working on over
the last few months. Snap [1] is a cross-platform system snapshot and
restoration utility which uses the underlying package management system to
take snapshots of packages installed as well as files modified outside of
the package management system.

Only files modified post-installation and new-files (eg those not tracked
by the package system) are backed up so that snapshots are lightweight and
are able to be migrated across hosts. Currently supported are RPM based
distros (Fedora, RHEL, CentOS <http://CentOS.html>), Deb based distros
(Debian, Ubutunu), and Windows

Also supported are service snapshots. For example postgres and mysql db's
will be backed up, as are Apache and IIS websites using the native tooling.
All of this is built ontop of a very modular / plugable system which allows
developers to extend Snap to take and restore snapshots of any custom

My intention of this project was to make cross-virtualization-hypervisor
and cross-cloud-provider [2] snapshots a cinch, but it can also be used for
general system backup and recovery.

 I've tried to harden it up as much as I could up to this point, writing an
extensive test suite, and conducting full integration testing on various
platforms but am looking for more widespread testing, especially in
alternative environments. Also I would like to start forming a community
around this project, to write backends to support snapshots on a variety of
platforms and of a variety of services.

The project is as open source as it gets, written in Python and licensed
under the GPLv3. I've submitted Snap to Fedora [3] and Debian / Ubuntu [4],
any package reviews would be more than appreciated.

Thanks for reading so far!

-Mo Morsi

 [1] https://github.com/movitto/snap

[2] http://mo.morsi.org/blog/node/347

[3] https://bugzilla.redhat.com/show_bug.cgi?id=755890
 [4] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=649585
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