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| − | + | [[wikipedia:rsync|rsync]]<ref>http://man7.org/linux/man-pages/man1/rsync.1.html</ref> command is used to copy and synchronization files and folders. Rsync is a single thread C application that includes a progress indicator. | |
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== Configuration files == | == Configuration files == | ||
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== Options == | == Options == | ||
| − | :<code>-W, --whole-file</code> | + | :<code>-W, --whole-file</code> |
| − | :<code>-z, -- | + | :<code>-z, --compress</code> compresses the file data as it is sent to the destination machine using [[zlib]] compression library |
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== Basic commands == | == Basic commands == | ||
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* <code>rsync -P ORIGIN DESTINATION</code> | * <code>rsync -P ORIGIN DESTINATION</code> | ||
| − | : <code>-P, --partial --progress | + | : <code>-P, --partial --progress</code>. --partial keep partially transferred files |
* Copy files from remote server to local machine: <code>rsync -chavzP --stats [email protected]:/path/to/copy /path/to/local/storage</code><ref>https://stackoverflow.com/questions/9090817/copying-files-using-rsync-from-remote-server-to-local-machine</ref> (explainshell<ref>https://explainshell.com/explain?cmd=rsync+-chavzP+--stats+user%40remote.host%3A%2Fpath%2Fto%2Fcopy+%2Fpath%2Fto%2Flocal%2Fstorage</ref>) | * Copy files from remote server to local machine: <code>rsync -chavzP --stats [email protected]:/path/to/copy /path/to/local/storage</code><ref>https://stackoverflow.com/questions/9090817/copying-files-using-rsync-from-remote-server-to-local-machine</ref> (explainshell<ref>https://explainshell.com/explain?cmd=rsync+-chavzP+--stats+user%40remote.host%3A%2Fpath%2Fto%2Fcopy+%2Fpath%2Fto%2Flocal%2Fstorage</ref>) | ||
: <code>-c, --checksum</code> option can slow transfers specially for large files | : <code>-c, --checksum</code> option can slow transfers specially for large files | ||
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: <code>--stats</code>, print statistics | : <code>--stats</code>, print statistics | ||
| − | : | + | :-a, --archive. Equivalent to <code>-rlptgoD</code> |
| − | :: | + | ::-r --recursive recurse into directoriees |
| − | :: | + | ::-l --links copy symlinks as symlinks |
| − | :: | + | ::-p --perms preserve permissions |
| − | :: | + | ::-t --times preserve modification times |
| − | :: | + | ::-g --group preserve group |
| − | :: | + | ::-o --owner preserve owner (super-user only) |
| − | :: | + | ::-D same as --devices --specials |
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<pre>rsync -chavzP --stats [email protected]:/path/to/copy /path/to/local/storage | <pre>rsync -chavzP --stats [email protected]:/path/to/copy /path/to/local/storage | ||
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</pre> | </pre> | ||
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* <code>rsync -av --ignore-existing src dst</code> | * <code>rsync -av --ignore-existing src dst</code> | ||
== Compression == | == Compression == | ||
rsync support [[compression]], but you can also compress your data with other external compression tools before using rsync. Such as [[bzip]], [[gzip]] or <code>[[xz]]</code> | rsync support [[compression]], but you can also compress your data with other external compression tools before using rsync. Such as [[bzip]], [[gzip]] or <code>[[xz]]</code> | ||
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| − | Compressing | + | Compressing using <code>[[xz]]</code><ref>https://linux.die.net/man/1/xz</ref> |
* <code>[[xz]] -v -T0 file_to_compress</code> | * <code>[[xz]] -v -T0 file_to_compress</code> | ||
| − | :: | + | ::-v provides progress bar |
| − | :: | + | ::-T0 use all available Threads, multi-threaded compression supported since 2014, version 5.2.0. <ref>https://git.tukaani.org/?p=xz.git;a=blob;f=NEWS;hb=HEAD</ref> |
== Activities == | == Activities == | ||
# Create a remote copy of your files for backup proposes using <code>rsync</code> | # Create a remote copy of your files for backup proposes using <code>rsync</code> | ||
# Read StackOverflow questions about rsync: https://stackoverflow.com/questions/tagged/rsync?tab=Votes | # Read StackOverflow questions about rsync: https://stackoverflow.com/questions/tagged/rsync?tab=Votes | ||
| − | # Understand the differences between | + | # Understand the differences between [[linux/Basic commands/cp|cp]], [[scp]] and [[linux/Basic commands/rsync|rsync]]: https://stackoverflow.com/questions/20244585/how-does-scp-differ-from-rsync |
# Learn Effect of Trailing Slash / in rsync: https://www.alibabacloud.com/blog/speeding-up-network-file-transfers-with-rsync_594337 | # Learn Effect of Trailing Slash / in rsync: https://www.alibabacloud.com/blog/speeding-up-network-file-transfers-with-rsync_594337 | ||
# Learn use of <code>--inplace</code> (implies also <code>--partial</code>) for transferring large files and its important implications: http://man7.org/linux/man-pages/man1/rsync.1.html, also evaluate <code>-c, --checksum</code> impact on transfering large files | # Learn use of <code>--inplace</code> (implies also <code>--partial</code>) for transferring large files and its important implications: http://man7.org/linux/man-pages/man1/rsync.1.html, also evaluate <code>-c, --checksum</code> impact on transfering large files | ||
| + | # Learn about <code>-W, --whole-file</code> copy files whole (without delta-xfer algorithm), implications and usage cases such as not making a diff copy. | ||
# Learn about <code>--sparse</code> option and conflicts with <code>--inplace</code> | # Learn about <code>--sparse</code> option and conflicts with <code>--inplace</code> | ||
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== See also == | == See also == | ||
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* {{cp}} | * {{cp}} | ||
* <code>[[dd]]</code>, <code>[[mv]]</code> | * <code>[[dd]]</code>, <code>[[mv]]</code> | ||
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