Rsync - synchronizes files and directories from one location to another
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=Background= | =Background= | ||
'''[[w:rsync|rsync]]''' is a [[w:free software|free software]] [[w:computer program|computer program]] for [[w:Unix|Unix]] systems which [[w:File synchronization|synchronizes]] [[w:computer file|files]] and [[w:directory (file systems)|directories]] from one location to another while minimizing [[w:data|data]] transfer using [[w:delta encoding|delta encoding]] when appropriate. An important feature of rsync not found in most similar programs/protocols is that the [[w:mirroring|mirroring]] takes place with only one transmission in each direction. | '''[[w:rsync|rsync]]''' is a [[w:free software|free software]] [[w:computer program|computer program]] for [[w:Unix|Unix]] systems which [[w:File synchronization|synchronizes]] [[w:computer file|files]] and [[w:directory (file systems)|directories]] from one location to another while minimizing [[w:data|data]] transfer using [[w:delta encoding|delta encoding]] when appropriate. An important feature of rsync not found in most similar programs/protocols is that the [[w:mirroring|mirroring]] takes place with only one transmission in each direction. | ||
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| + | rsync can copy or display directory contents and copy files, optionally using [[data compression | compression]] and [[recursion]]. | ||
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| + | rsyncd, the rsync protocol [[w:Daemon (computer software)|daemon]], uses the default [[w:Transmission Control Protocol|TCP]] [[w:TCP and UDP port|port]] of 873. rsync can also be used to synchronize local directories, or via a remote [[w:shell (computing)|shell]] such as [[w:RSH|RSH]] or [[w:SSH|SSH]]. In the latter case, the rsync client executable must be installed on the near as well as the far host (the computer running the remote shell daemon). | ||
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=Installation= | =Installation= | ||
Revision as of 00:33, 20 September 2006
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Contents |
Background
rsync is a free software computer program for Unix systems which synchronizes files and directories from one location to another while minimizing data transfer using delta encoding when appropriate. An important feature of rsync not found in most similar programs/protocols is that the mirroring takes place with only one transmission in each direction.
rsync can copy or display directory contents and copy files, optionally using compression and recursion.
rsyncd, the rsync protocol daemon, uses the default TCP port of 873. rsync can also be used to synchronize local directories, or via a remote shell such as RSH or SSH. In the latter case, the rsync client executable must be installed on the near as well as the far host (the computer running the remote shell daemon).
Installation
Compile from source
On any distribution FreeLink or OpenLink
- Make sure you have installed the Precompiled C development environment, running on the LS first.
- Get the source, make and install.
wget http://samba.anu.edu.au/ftp/rsync/rsync-2.6.8.tar.gz gunzip rsync-2.6.8.tar.gz tar -xf rsync-2.6.8.tar cd rsync-2.6.8 ./configure make su root make install
Raw Binaries
PowerPC
From the Yahoo! Linkstation General Group: rsync binaries anyone / SSH without password as root INTO LinkStation
wget http://ls.jcedata.net/rsync chmod a+x rsync cp rsync /usr/bin
FreeLink
Use apt-get to install rsync
apt-get install rsync
OpenLink (Ipkg)
PowerPC
- Install Ipkg on the Linkstation (for end-users) and enable the NSLU2 Feed: Ipkg Package List: PowerPC
- Install rsync
ipkg install rsync
MIPSel
Alexander Skwar has created a fairly extensive selection of Ipkg packages for the MIPSel (LS2) LinkStation, Install Ipkg and enable his feed:
- Ipkg on the Linkstation (for end-users)
- Experimental "unstable" ipk Packages for the MIPSEL Linkstation
- Install rsync
ipkg install rsync
External links
- Wikipedia: rsync
- rsync homepage
- Tutorial: Using rsync
- Tutorial: Mirroring with rsync
- Tutorial: Backing up files with rsync
- rsync algorithm
- rdiff-backup homepage
- Xdelta – alternative implementation of file differencing and delta encoding
- RsyncX - Frontend for rsync under Mac OS X
- Unison, allows bidirectional synchronisation
- Rsync for Windows - using Cygwin
- Tutorials (with screenshots) for setup of Rsync on Windows, Rsync on Linux/Unix/BSD and Rsync on Mac OS X
- NasBackup rsync Windows GUI
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