Linux: quick setup and use of rsync servers

Linux: quick setup and use of rsync servers-Linux Enterprise Application-Linux server application information. For details, refer to the following section. Rsync is a data image backup tool in unix-like systems. It can be seen from the software name-remote sync. Its features are as follows:

Images can be used to save the entire directory tree and file system.

It is easy to maintain the permissions, time, and soft links of the original file.

Installation without special permissions.

Optimized process, high file transmission efficiency.

You can use rcp, ssh, and other methods to transmit files. Of course, you can also use a direct socket connection.

Supports anonymous transmission for website images.

Step

1. Download: http://rsync.samba.org/ftp/rsync/ from original website

2. [root @ localhost bin] #./configure

[Root @ localhost bin] # make

[Root @ localhost bin] # make install

Note that rsync must be installed on both the client and server. The client runs rsync as a client, and the server runs rsync as a server. It listens to port 873.

3. Run rsync

/Usr/local/bin/rsync -- daemon

Verify that the startup is successful:

Netstat-na | grep 873

4. Configure rsync

Simple configuration: edit the/etc/rsyncd. conf file as follows:

# Global configuration

Secrets file =/etc/rsyncd. secrets name and location of the authenticated user name and password file

Motd file =/etc/rsyncd. motd welcome information file name and storage location (this file does not exist, you can add it yourself)

Read only = yes

List = yes

Uid = root

Gid = root

# Hosts allow = 10.4.5.213

# Hosts deny = 10.4.5.0/24

Use chroot = no

Max connections = 5

Log file =/var/log/rsyncd. log

Pid file =/var/run/rsyncd. pid

Lock file =/var/run/rsync. lock

# Module configuration

[Paolo]

Comment = Paolo's directory

Path =/home/test/software

Auth users = rsync

# Secrets file =/etc/rsyncd. secrets

5. Generate verification documents

Echo "rsync: rsync_password">/etc/rsyncd. secrets

Chmod 600/etc/rsyncd. secrets

6. Synchronize files on the server on the client server

Rsync-vzrtopg -- delete -- progress rsync@10.4.5.161: paolo/china/

Or add the -- password-file =/etc/rsyncd. secrets option.

The above command transfers the directory files in the paolo module on the 10.4.5.161 server to the local/china directory, and deletes the files not in the directory specified by the paolo module on the 161 server in the local/china directory. To synchronize the directory files of the two computers.