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BackupPC is a free disk-to-disk backup software suite with a web-based frontend. The cross-platform server will run on any Linux, Solaris, or UNIX-based server. No client is necessary, as the server is itself a client for several protocols that are handled by other services native to the client OS. In 2007, BackupPC was mentioned as one of the three most well known open-source backup software,〔W. Curtis Preston (2007) ''Backup and Recovery'' O'Reilly Media, ISBN 978-0-596-10246-3〕 even though it is one of the tools that are "so amazing, but unfortunately, if no one ever talks about them, many folks never hear of them" 〔Shawn Powers: Linux Journal: (BackupPC ) Linux Journal, March 17, 2011.〕 Data deduplication reduces the disk space needed to store the backups in the disk pool. It is possible to use it as D2D2T solution, if the archive function of BackupPC is used to back up the disk pool to tape. BackupPC is not a block-level backup system like Ghost4Linux but performs file-based backup and restore. Thus it is not suitable for backup of disk images or raw disk partitions.〔Falko Timme: (Back Up Linux And Windows Systems With BackupPC ), January 2007. Retrieved July 30, 2010.〕 BackupPC incorporates a Server Message Block (SMB) client that can be used to back up network shares of computers running Windows. Paradoxically, under such a setup the BackupPC server can be located behind a NAT'd firewall while the Windows machine operates over a public IP address. While this may not be advisable for SMB traffic, it is more useful for web servers running Secure Shell (SSH) with GNU tar and rsync available, as it allows the BackupPC server to be stored in a subnet separate from the web server's DMZ. It is published under the GNU General Public License. ==Protocols supported== BackupPC supports NFS, SSH, SMB and rsync.〔Shawn Powers: Linux Journal: (BackupPC ) Linux Journal, March 17, 2011.〕 It can back up Unix-like systems with native ssh and tar or rsync support, such as Linux, BSD, and OS X, as well as Microsoft Windows shares with minimal configuration.〔Don Harper: (BackupPC – Backup Central ), May 2008. Retrieved July 30, 2010.〕 On Windows, third party implementations of tar, rsync, and SSH (such as Cygwin) are required to utilize those protocols.〔Mike Petersen: (Deploying BackupPC on SLES ). February, 2008. Retrieved 30 Jul. 2010.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「BackupPC」の詳細全文を読む スポンサード リンク
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