Rsync 实现远程同步

  

 

    介绍html

  rsync命令是一个远程数据同步工具,可经过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一样部分,而不是每次都整份传送,所以速度至关快。 rsync是一个功能很是强大的工具,其命令也有不少功能特点选项,咱们下面就对它的选项一一进行分析说明。web

 

  经常使用场景一算法

无密码同步vim

 

一、安装rsync服务器

[root@localhost /]# yum -y install rsync

二、新建rsyncd.conf文件ssh

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]       #共享名称
path = /web/rsync/share_data    #共享路径
use chroot = no
max connections = 15
read only = yes
write only = no
list = no
ignore errors = yes
timeout = 120
保存

三、执行命令工具

/usr/bin/rsync --daemon
mkdir -p /web/rsync/share_data  #新建共享目录,实例中直接输入要共享文件的就好,可省去次步

 

客户端oop

 

一、安装rsyncui

[root@localhost /]# yum -y install rsync

二、输入命令进行同步spa

rsync -avz root@192.168.1.98:/var/space /home/hadoop/share_data
                     ↓            ↓                  ↓
                服务器IP    配置文件共享目录名     客户端收纳目录

三、限制流量同步

限制流量同步:
rsync -avz --bwlimit=50 --progress root@192.168.1.98::share_data /home/hadoop/share_data

 

  经常使用场景二

 

有密码同步

 

服务端配置

一、配置文件修改

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

三、执行命令

echo "hadoop:password123" > /etc/rsyncd.passwd 
chmod 600 /etc/rsyncd.passwd
mkdir -p /web/rsync/auth_data

客户端配置

一、保存密码

echo "password123" > /home/hadoop/rsyncd.passwd 
chmod 600 /home/hadoop/rsyncd.passwd 

二、远程同步

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

  经常使用场景三

写入同步

服务端

一、配置文件

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

保存

二、执行命令

mkdir -p /web/rsync/write_data

客户端

一、输入同步命令

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

 

  经常使用场景四

限定IP或网段

服务端

一、配置文件修改

#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

 

常见情景例子

 

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经过SSH传输

rsync -e "ssh -p 22"  --progress /home/hadoop/auth_data hadoop@192.168.1.98::auth_data 

 

本文参考:ggjucheng

 

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

相关文章
相关标签/搜索