介绍
rsync命令是一个远程数据同步工具，可通过LAN/WAN快速同步多台主机间的文件。rsync使用所谓的“rsync算法”来使本地和远程两个主机之间的文件达到同步，这个算法只传送两个文件的不同部分，而不是每次都整份传送，因此速度相当快。 rsync是一个功能非常强大的工具，其命令也有很多功能特色选项，我们下面就对它的选项一一进行分析说明。
常用场景
无密码同步
服务端：vim /etc/rsyncd.conf
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#This is the rsync daemon configuration #global settings pid file = /var/run/rsyncd.pidport = 873lock file = /var/run/rsyncd.locklog file = /var/log/rsync.loggid = rootuid = root#module settings [share_data]path = /web/rsync/share_datause chroot = nomax connections = 15read only = yeswrite only = nolist = noignore errors = yestimeout = 120 |
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/usr/bin/rsync --daemonmkdir -p /web/rsync/share_data |
客户端
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rsync -avz --progress root@192.168.1.98::share_data /home/hadoop/share_data |
限制流量同步
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rsync -avz --bwlimit=50 --progress root@192.168.1.98::share_data /home/hadoop/share_data |
有密码同步
服务端
vim /etc/rsyncd.conf
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#This is the rsync daemon configuration #global settings pid file = /var/run/rsyncd.pidport = 873lock file = /var/run/rsyncd.locklog file = /var/log/rsync.loggid = rootuid = root#module settings [auth_data]path = /web/rsync/auth_datause chroot = nomax connections = 15read only = yeswrite only = nolist = noignore errors = yestimeout = 120auth users = hadoopsecrets file = /etc/rsyncd.passwd |
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echo "hadoop:password123" > /etc/rsyncd.passwdchmod 600 /etc/rsyncd.passwdmkdir -p /web/rsync/auth_data |
客户端
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echo "password123" > /home/hadoop/rsyncd.passwdchmod 600 /home/hadoop/rsyncd.passwdrsync -avz --progress --password-file=/home/hadoop/rsyncd.passwd hadoop@192.168.1.98::auth_data /home/hadoop/auth_data |
或者是
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export RSYNC_PASSWORD="password123"rsync -avz --progress hadoop@192.168.1.98::auth_data /home/hadoop/auth_data |
写入同步
服务端
vim /etc/rsyncd.conf
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#global settings pid file = /var/run/rsyncd.pidport = 873lock file = /var/run/rsyncd.locklog file = /var/log/rsync.loggid = rootuid = root#module settings [write_data]path = /web/rsync/write_datause chroot = nomax connections = 15read only = nolist = noignore errors = yestimeout = 120auth users = hadoopsecrets file = /etc/rsyncd.passwd |
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mkdir -p /web/rsync/write_data |
客户端
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echo "123" > /home/hadoop/write_fileexport RSYNC_PASSWORD="password123"rsync -avz --progress --delete /home/hadoop/write_file hadoop@192.168.1.98::write_data |
限定IP或者网段
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#global settings pid file = /var/run/rsyncd.pidport = 873lock file = /var/run/rsyncd.locklog file = /var/log/rsync.loggid = rootuid = root#module settings [write_data]path = /web/rsync/write_datause chroot = nomax connections = 15read only = nolist = noignore errors = yestimeout = 120auth users = hadoopsecrets file = /etc/rsyncd.passwdhosts allow = 192.168.2.32 192.168.1.0/24 |
客户端 https://download.samba.org/pub/rsync/rsync.html
服务端 https://download.samba.org/pub/rsync/rsyncd.conf.html
总结
以上就是这篇文章的全部内容了，希望本文的内容对大家的学习或者工作能带来一定的帮助，如果有疑问大家可以留言交流。谢谢大家对服务器之家的支持。
原文链接：http://www.cnblogs.com/ggjucheng/p/5474038.html
