Date: Tue, 15 Jul 2003 10:51:01 +0100 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: DanB <longterm@chatusa.com> Cc: freebsd <questions@freebsd.org> Subject: Re: Backup over the internet. Message-ID: <20030715095101.GA68828@happy-idiot-talk.infracaninophile.co.uk> In-Reply-To: <3F13C47F.C61B03DB@chatusa.com> References: <3F13C47F.C61B03DB@chatusa.com>
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--mYCpIKhGyMATD0i+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jul 15, 2003 at 09:08:15AM +0000, DanB wrote: > What is the easy way to back up over the internet? What software should > be used? That's a rather vague question, which makes it pretty hard to give a sensible answer, I'm afraid. Ease is a very subjective thing. There's certainly many more than one way of achieving such tasks, many of which seem about equally easy to me. Pretty much every Unix utility ever designed to copy the contents of a filesystem onto a tape drive has the capability to access a remote tape. Even more: any utility capable of copying files from one machine to another could be considered usable for backup purposes. Generally copying the files from machine to machine is only half the problem. Setting up a backup schedule, making the backups run automatically and unattended, testing that your backups are actually fit for purpose (it's amazing how many people have only found out that their tape drive had malfunctioned and wasn't writing anything on the tapes at the point of trying to recover a crashed system...) etc. etc. All need to be considered. I can certainly point you at some manual pages for some commonly used software. See: dump(8) tar(1) scp(1) rsync(1) [ports: net/rsync, http://rsync.samba.org/] amanda [ports: misc/amanda-server, misc/amanda-client http://sourceforge.net/projects/amanda/] See also the SSH FAQ on how to set up ssh(1) (which all of dump(1), scp(1) and rsync(1) run on top of) to do unattended logins: http://www.snailbook.com/faq/no-passphrase.auto.html Perhaps you would like to restate your question with a lot more detail about exactly what you want to do and what your constraints are. Such things as: how much data you have to backup; bandwidth limitations between your server and where you're backing it up to; what sort of device you're writing to; security requirements -- can the data be transmitted across the internet in plaintext, or does it have to be encrypted? Can it be stored on the backup medium unencrypted? How can you authenticate yourself to the backup server? Cheers, Matthew --=20 Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks Savill Way PGP: http://www.infracaninophile.co.uk/pgpkey Marlow Tel: +44 1628 476614 Bucks., SL7 1TH UK --mYCpIKhGyMATD0i+ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (FreeBSD) iD8DBQE/E86FdtESqEQa7a0RAhFMAJ96q9537sBXAiIf+XuSic0OZX0rzgCghKyt GtQ6e6bhiErUW0lKW3gJurs= =iNfw -----END PGP SIGNATURE----- --mYCpIKhGyMATD0i+--
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