[server configuration]

• System version

# lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 18.04.2 LTS
Release:	18.04
Codename:	bionic

• Official documents: https://rsync.samba.org/documentation.html

• install

sudo apt install rsync xinetd

• Modify or add in / etc/default/rsync file

RSYNC_ENABLE=inetd

• Create the / etc/xinetd.d/rsync file and add the following:

service rsync{
    disable         = no
    socket_type     = stream
    wait            = no
    user            = root
    server          = /usr/bin/rsync
    server_args     = --daemon
    log_on_failure  += 0    # user ID
}

• Create the file / etc/rsyncd.conf, and add the following:

max connections = 5
log file = /var/log/rsync.log
lock file = /var/lock/rsyncd.lock
timeout = 300
charset = UTF-8    #Used to avoid Chinese miscoding

[share] #Module name
comment = Public Share
#Path is the path of the folder to be synchronized
path = /var/test
read only = no
list = yes
uid = root
gid = root
#'must correspond to the user name in' rsyncd.secrets'
auth users = walker
secrets file = /etc/rsyncd.secrets

• Create the / etc/rsyncd.secrets file, and add the following:

#Configure user name and password, which can be set at will
walker:test

• Modify rsyncd.secrets file permissions

sudo chmod 600 /etc/rsyncd.secrets

• Start / restart xinetd

sudo /etc/init.d/xinetd restart

• If the port is not monitored, try restarting

# netstat -anop | grep 873
tcp    0    0 0.0.0.0:873    0.0.0.0:*    LISTEN    929/rsync    off (0.00/0/0)
tcp6   0    0 :::873              :::*    LISTEN    929/rsync    off (0.00/0/0)

[client test]

• System version (Windows 10 x64 1803)

winver

• Client software version

cwRsyncServer 4.0.5.0

• Synchronize server files to local

rsync -cvazu --progress walker@192.168.136.131::share ./test
#-- iconv = locale﹣charset, remote﹣charset is used to avoid Chinese confusion
rsync -cvazu --progress --iconv=UTF-8,GB18030 walker@192.168.136.131::share ./test

• If the following error is reported, check whether the server port is open (check the firewall, restart the server...)

rsync: failed to connect to 218.107.243.2: No route to host (113)
rsync error: error in socket IO (code 10) at clientserver.c(104) [receiver=2.6.9]

[explanation of terms]

• xinetd: eXtended InterNET services daemon
  

*** walker ***