rsync服务模式和搭建

rsync服务模式(daemon)
服务端:提供服务的一端。

业务需求:搭建一个备份服务器

1)备份的地点 /backup
mkdir /backup -p

2)创建一个用户
[root@backup ~ 08:49:49]# useradd -s /sbin/nologin rsync
[root@backup ~ 08:50:39]# id rsync
uid=501(rsync) gid=501(rsync) groups=501(rsync)

3)授权rsync管理backup目录
chown -R rsync.rsync /backup

部署服务:

1、检查rsync是否安装

[root@backup ~ 08:47:31]# rpm -qa rsync
rsync-3.0.6-12.el6.x86_64
如果没有安装就yum install rsync -y
查看版本:rsync --version

2、配置文件说明(/etc/rsyncd.conf)

man rsyncd.conf
uid = rsync #访问/backup的用户
gid = rsync #访问/backup的用户组
use chroot = no #和安全相关的设置,不用。
max connections = 200 #并发连接数
timeout = 300 #超时时间
pid file = /var/run/rsyncd.pid #进程号所在的文件
lock file = /var/run/rsync.lock #锁文件
log file = /var/log/rsyncd.log #日志文件 服务运行不正常 第一时间看日志。
ignore errors #忽略错误
read only = false #可读写
list = false #不能ls(列表)
hosts allow =172.16.1.0/24 #内网网段。
hosts deny = 0.0.0.0/32 #什么网段不让连。
auth users = rsync_backup #认证虚拟用户(客户端连接使用的用户)。
secrets file = /etc/rsync.password ##认证虚拟用户密码文件。
[backup] #模块标签
comment = "backup dir by oldboy"#注释
path = /backup #备份的路径

3、开始配置配置文件

vim /etc/rsyncd.conf
rsync_config_____________________start
created by oldboy 15:01 2007-6-5
rsyncd.conf start##
uid = rsync
gid = rsync
use chroot = no
max connections = 200
timeout = 300
pid file = /var/run/rsyncd.pid
lock file = /var/run/rsyncd.lock
log file = /var/log/rsyncd.log
ignore errors
read only = false
list = false
hosts allow = 172.16.1.0/24
hosts deny = 0.0.0.0/32
auth users = rsync_backup
secrets file = /etc/rsync.password
[backup]
path = /backup
rsync_config_______________________end

检查:

[root@backup ~ 09:25:41]# cat /etc/rsyncd.conf
rsyncd.conf start##
uid = rsync
gid = rsync
use chroot = no
max connections = 200
timeout = 300
pid file = /var/run/rsyncd.pid
lock file = /var/run/rsyncd.lock
log file = /var/log/rsyncd.log
[backup]
path = /backup
[oldboy]
/oldboy
rsync_config_______________________end

4、启动rsync服务

rsync --daemon #后台启动
[root@backup ~ 09:25:54]# rsync --daemon
检查:
[root@backup ~ 09:26:48]# netstat -lntup|grep rsync
tcp 0 0 0.0.0.0:873 0.0.0.0:* LISTEN 22933/rsync
tcp 0 0 :::873 :::* LISTEN 22933/rsync
[root@backup ~ 09:29:50]# ps -ef|grep rsync|grep -v grep
root 22933 1 0 09:26 ? 00:00:00 rsync --daemon

5、创建密码文件并设置权限

格式:用户:密码
rsync_backup:oldboy123
[root@backup ~ 09:32:19]# echo "rsync_backup:oldboy123" >/etc/rsync.password
[root@backup ~ 09:33:30]# cat /etc/rsync.password
rsync_backup:oldboy123
设定权限:
[root@backup ~ 09:33:34]# chmod 600 /etc/rsync.password
[root@backup ~ 09:34:07]# ls -l /etc/rsync.password
-rw------- 1 root root 23 Apr 28 09:33 /etc/rsync.password
服务器端配置完毕。

配置rsync客户端

1)配置密码文件并授权。

echo "oldboy123" >/etc/rsync.password
chmod 600 /etc/rsync.password
ls -l /etc/rsync.password

2)备份文件

rsync -avz /tmp [email protected]::backup
--password-file=FILE 从FILE中得到密码。
rsync -avz /tmp [email protected]::backup --password-file=/etc/rsync.password
[root@nfs01 ~ 09:39:39]# rsync -avz /tmp [email protected]::backup --password-file=/etc/rsync.password
sending incremental file list
tmp/
tmp/yum.log
tmp/.ICE-unix/
tmp/scripts/
tmp/scripts/back_vimrc
tmp/scripts/installMachines.sh
sent 3686 bytes received 77 bytes 2508.67 bytes/sec
total size is 7363 speedup is 1.96

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