inotify+rsync將服務器CentOS文件定時增量備份到另外CentOS

背景

以前寫了一篇關於從CentOS備份到Windows的文章：inotify+rsync將服務器CentOS文件定時增量備份到Windows，如今改成備份到CentOS

服務器配置

IP地址	系統	功能
192.168.1.100	CentOS7.x	rsync服務端
192.168.1.101	CentOS7.x	rsync客戶端

rsync服務端

1. 安裝rsync

yum install -y rsync

2. 配置/etc/rsyncd.conf

transfer logging = yes
log file = /var/log/rsyncd.log
pid file = /var/run/rsyncd.pid
lock file = /var/run/rsync.lock
uid = nobody
gid = nobody
use chroot = no
ignore errors
read only = no

[web1]
path = /root/test
auth users = myuser
secrets file = /etc/rsyncd.secrets
host allow = *
hosts deny = *
list = false

3. 新建/etc/rsyncd.secrets

echo "myuser:mypassword" > /etc/rsyncd.secrets
chmod +x /etc/rsyncd.secrets

4. 啓動服務

systemctl restart rsyncd

rsync客戶端

1. 安裝rsync

yum install rsync -y

2. 新建/etc/rsync.passwd，內容以下，注意客戶端rsync只須要密碼

mypassword

3. 更改權限

chmod 600 /etc/rsync.passwd

4. 安裝inotify

inotify-tools工具監測文件增長、刪除和修改，同時同步到備份服務器windows

yum install inotify-tools -y

5. 啓動腳本inotify_start.sh

#!/bin/bash
host=192.168.1.101
src=/home/backup
des=web1
user=myuser
inotifywait -mrq --timefmt '%d/%m/%y %H:%M' --format '%T %w%f%e' -e modify,delete,create,attrib $src | while read files
do
/usr/bin/rsync -vzrtopg --delete --progress --password-file=/etc/rsync.passwd $src $user@$host::$des
echo "${files} was rsynced" >>/tmp/rsync.log 2>&1
done

6. 測試

# 測試命令
/usr/bin/rsync -vzrtopg --delete --progress --password-file=/etc/rsync.passwd /root/test myuser@192.168.1.101::web1

7. 後臺運行啓動腳本

inotify_start.sh &

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