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141 lines
4.1 KiB
Plaintext
141 lines
4.1 KiB
Plaintext
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WHAT IS RSYNC?
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--------------
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Rsync is a fast and extraordinarily versatile file copying tool for
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both remote and local files.
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Rsync uses a delta-transfer algorithm which provides a very fast method
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for bringing remote files into sync. It does this by sending just the
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differences in the files across the link, without requiring that both
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sets of files are present at one of the ends of the link beforehand. At
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first glance this may seem impossible because the calculation of diffs
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between two files normally requires local access to both files.
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A technical report describing the rsync algorithm is included with this
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package.
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USAGE
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-----
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Basically you use rsync just like scp, but rsync has many additional
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options. To get a complete list of supported options type:
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rsync --help
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See the manpage for more detailed information.
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SETUP
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-----
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Rsync normally uses ssh or rsh for communication with remote systems.
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It does not need to be setuid and requires no special privileges for
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installation. You must, however, have a working ssh or rsh system.
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Using ssh is recommended for its security features.
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Alternatively, rsync can run in `daemon' mode, listening on a socket.
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This is generally used for public file distribution, although
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authentication and access control are available.
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To install rsync, first run the "configure" script. This will create a
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Makefile and config.h appropriate for your system. Then type "make".
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Note that on some systems you will have to force configure not to use
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gcc because gcc may not support some features (such as 64 bit file
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offsets) that your system may support. Set the environment variable CC
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to the name of your native compiler before running configure in this
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case.
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Once built put a copy of rsync in your search path on the local and
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remote systems (or use "make install"). That's it!
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RSYNC DAEMONS
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-------------
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Rsync can also talk to "rsync daemons" which can provide anonymous or
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authenticated rsync. See the rsyncd.conf(5) man page for details on how
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to setup an rsync daemon. See the rsync(1) man page for info on how to
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connect to an rsync daemon.
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WEB SITE
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--------
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The main rsync web site is here:
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http://rsync.samba.org/
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You'll find a FAQ list, downloads, resources, HTML versions of the
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manpages, etc.
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MAILING LISTS
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There is a mailing list for the discussion of rsync and its applications
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that is open to anyone to join. New releases are announced on this
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list, and there is also an announcement-only mailing list for those that
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want official announcements. See the mailing-list page for full
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details:
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http://rsync.samba.org/lists.html
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BUG REPORTS
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-----------
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To visit this web page for full the details on bug reporting:
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http://rsync.samba.org/bugzilla.html
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That page contains links to the current bug list, and information on how
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to report a bug well. You might also like to try searching the Internet
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for the error message you've received, or looking in the mailing list
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archives at:
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http://mail-archive.com/rsync@lists.samba.org/
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To send a bug report, follow the instructions on the bug-tracking
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page of the web site.
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Alternately, email your bug report to rsync@lists.samba.org .
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GIT REPOSITORY
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--------------
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If you want to get the very latest version of rsync direct from the
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source code repository then you can use git:
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git clone git://git.samba.org/rsync.git
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See the download page for full details on all the ways to grab the
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source, including nightly tar files, web-browsing of the git repository,
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etc.:
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http://rsync.samba.org/download.html
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COPYRIGHT
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---------
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Rsync was originally written by Andrew Tridgell and is currently
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maintained by Wayne Davison. It has been improved by many developers
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from around the world.
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Rsync may be used, modified and redistributed only under the terms of
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the GNU General Public License, found in the file COPYING in this
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distribution, or at:
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http://www.fsf.org/licenses/gpl.html
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AVAILABILITY
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------------
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The main web site for rsync is http://rsync.samba.org/
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The main ftp site is ftp://rsync.samba.org/pub/rsync/
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This is also available as rsync://rsync.samba.org/rsyncftp/
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