片刻、瞬間、不知所云...

參考文獻：https://blog.johnsonlu.org/ubuntursync-%E5%AE%89%E8%A3%9D/

1. 安裝：

# apt-get install rsync
Reading package lists... Done
Building dependency tree
Reading state information... Done
rsync is already the newest version (3.1.3-8).
rsync set to manually installed.
The following package was automatically installed and is no longer required:
  libfprint-2-tod1
Use 'sudo apt autoremove' to remove it.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

2. 修改設定檔，啟用。

# vi /etc/default/rsync
RSYNC_ENABLE=true   <<<default=false
RSYNC_CONFIG_FILE=/etc/rsyncd.conf

# vi /etc/init.d/rsync
RSYNC_ENBALE=true  <<<default=false
RSYNC_CONFIG_FILE=/etc/rsyncd.conf

3. 修改config檔：

# vi /etc/rsyncd.conf   <<<<檔名注意！！
[nasbackup]
    comment = Nas Backup
    path = /backup/rsync/backup
    auth users = cltai
    uid = cltai
    gid = cltai
    secrets file = /etc/rsyncd.secrets
    read only = no

如果都不要設定使用者，可以把auth, uid, gid, secrets file全部#起來，就不用認證。

4. 設定帳號密碼：

# vi /etc/rsyncd.secrets
id:passwd

5. 啟動rsync：

# systemctl enable rsync
Synchronizing state of rsync.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable rsync

# systemctl start rsync

● rsync.service - fast remote file copy program daemon
     Loaded: loaded (/lib/systemd/system/rsync.service; enabled; vendor preset:>
     Active: active (running) since Fri 2020-12-25 16:48:17 CST; 4s ago
       Docs: man:rsync(1)
             man:rsyncd.conf(5)
   Main PID: 15509 (rsync)
      Tasks: 1 (limit: 77003)
     Memory: 896.0K
     CGroup: /system.slice/rsync.service
             └─15509 /usr/bin/rsync --daemon --no-detach

十二 25 16:48:17 rdwks systemd[1]: Started fast remote file copy program daemon.
十二 25 16:48:17 rdwks rsyncd[15509]: rsyncd version 3.1.3 starting, listening >

啟用成功。

# netstat -na|grep 873  <<<測試ports是否正確
tcp        0      0 0.0.0.0:873             0.0.0.0:*               LISTEN
tcp6       0      0 :::873                  :::*                    LISTEN
unix  3      [ ]         STREAM     CONNECTED     118873   /run/user/1001/bus
unix  2      [ ]         DGRAM                    158734

# ufw allow rsync   <<<開啟防火牆
Rules updated
Rules updated (v6)

# rsync -av /backup/rsync/ cltai@192.168.1.202:/backup/rsync/
The authenticity of host '192.168.1.202 (192.168.1.202)' can't be established.
ECDSA key fingerprint is SHA256:R1KVKeUrVTuR2ENPrbHgVQK/exqhnK6PYegX798QBkQ.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '192.168.1.202' (ECDSA) to the list of known hosts.
cltai@192.168.1.202's password:
sending incremental file list

sent 54 bytes  received 12 bytes  5.74 bytes/sec
total size is 0  speedup is 0.00

# chmod 777 /backup/rsync <<<要開放讀寫權，NAS才能寫過來喔。
 

在NAS上的設定如下：

1. HyperBackup 新增資絡備份任務，在下方的+。
2. 選Rsync資料複製(單版本)

3. 帳密是Linux上的rsync帳密。

4. 跳過備份軟體，直接到最後一步設定排程。最後完成。即可自動執行。速度很快。