Rsync +crontab Implement scheduled backup files

For example, the/www directory on the Web server is backed up to the rsync server.

rsync:192.168.1.10 web:192.168.1.11

1 Configuring the Rsync server

Create a System user Useradd-s/sbin/nologin-m rsync

Create Directory Mkdir/backup

Chown-r rsync.rsync/backup/

vim/etc/rsyncd.conf Copy the content below

UID = rsync

GID = rsync

Use chroot = no

Max connections = 200

Timeout = 300

PID file =/var/run/rsyncd.pid

Lock file =/var/run/rsync.lock

Log file =/var/log/rsyncd.log

[Backup] (module, can be arbitrary, but the Web server connection should be noted (in the script:: Backup). ）

Path =/tmp/backup/(important)

Ignore errors

Read Only = False

List = False

Hosts allow = 192.168.1.0/24 (specify reachable IP)

Hosts Deny = 0.0.0.0/32 (other deny)

Auth users = Renkun (authentication user)

Secrets file =/etc/rsync.password

To create a user-connected file

Create user Renkun Password 1234

Useradd renkun-p 1234

Create a password file

Vim/etc/rsync.password

renkun:1234

Change permissions (required)

chmod 600/etc/rsync.password

Start the daemon process

Rsync--daemon

View Port 873 Open

Netstat-tnl

Web server-side configuration

Configure password file

Vim/etc/rsync.password

1234

Create an automatic upload script

vim/zd.sh

#!bin/bash

I= "' Date +%y-%m-%d-%h-%m '"

#echo "$i"

tar-zcvf/tmp/$i. tar.gz/www

rsync-avz/tmp/$i. tar.gz [Email protected]::backup--password-file=/etc/rsync.password

rm-rf/tmp/$i. tar.gz

Configuring Crontab Periodic uploads

Crontab-e

30 23 * * *. /zd.sh (minutes, hours, days, months, weeks: 23:30 every day. The test can be uploaded per minute using * * * * * * *

Complete

This article is from the "Itcain" blog, make sure to keep this source http://521kun.blog.51cto.com/9397206/1773526

Rsync +crontab implementing scheduled backup files