rsync命令详解
命令 详解 Rsync
2023-09-27 14:21:53 时间
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
#This is the rsync daemon configuration #global settings pid file = /var/run/rsyncd.pid port = 873 lock file = /var/run/rsyncd.lock log file = /var/log/rsync.log gid = root uid = root #module settings [share_data] path = /web/rsync/share_data use chroot = no max connections = 15 read only = yes write only = no list = no ignore errors = yes timeout = 120
/usr/bin/rsync --daemon mkdir -p /web/rsync/share_data
客户端
rsync -avz --progress root@192.168.1.98::share_data /home/hadoop/share_data
限制流量同步
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
#This is the rsync daemon configuration #global settings pid file = /var/run/rsyncd.pid port = 873 lock file = /var/run/rsyncd.lock log file = /var/log/rsync.log gid = root uid = root #module settings [auth_data] path = /web/rsync/auth_data use chroot = no max connections = 15 read only = yes write only = no list = no ignore errors = yes timeout = 120 auth users = hadoop secrets file = /etc/rsyncd.passwd
echo "hadoop:password123" > /etc/rsyncd.passwd chmod 600 /etc/rsyncd.passwd mkdir -p /web/rsync/auth_data
客户端
echo "password123" > /home/hadoop/rsyncd.passwd chmod 600 /home/hadoop/rsyncd.passwd rsync -avz --progress --password-file=/home/hadoop/rsyncd.passwd hadoop@192.168.1.98::auth_data /home/hadoop/auth_data
或者是
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
#global settings pid file = /var/run/rsyncd.pid port = 873 lock file = /var/run/rsyncd.lock log file = /var/log/rsync.log gid = root uid = root #module settings [write_data] path = /web/rsync/write_data use chroot = no max connections = 15 read only = no list = no ignore errors = yes timeout = 120 auth users = hadoop secrets file = /etc/rsyncd.passwd
mkdir -p /web/rsync/write_data
客户端
echo "123" > /home/hadoop/write_file export 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
#global settings pid file = /var/run/rsyncd.pid port = 873 lock file = /var/run/rsyncd.lock log file = /var/log/rsync.log gid = root uid = root #module settings [write_data] path = /web/rsync/write_data use chroot = no max connections = 15 read only = no list = no ignore errors = yes timeout = 120 auth users = hadoop secrets file = /etc/rsyncd.passwd hosts allow = 192.168.2.32 192.168.1.0/24
常见场景例子
指定端口
rsync -avz --port=8081 --progress /home/hadoop/auth_data hadoop@192.168.1.98::auth_data
限速
rsync --bwlimit=100 -avz --progress /home/hadoop/auth_data hadoop@192.168.1.98::auth_data
限速100kb/s同步数据
Rsync通过SSH传输
rsync -e "ssh -p 22" --progress /home/hadoop/auth_data hadoop@192.168.1.98::auth_data
更多命令参考
客户端 https://download.samba.org/pub/rsync/rsync.html
服务端 https://download.samba.org/pub/rsync/rsyncd.conf.html
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