好吧，我目前使用 lbackup 来备份远程服务器上的文件。所以我使用我的帐户登录，该帐户不是 root。
而且我得到了以下错误，显然，我的帐户不是 www-data。
有什么建议么？
$ ls -l /var/www/cache |grep 缓存 drwx------ 13 www-data www-data 4096 Jul 28 06:27 缓存
Sun Jul 28 23:53:17 CST 2013
Hard Links Enabled
Synchronizing...
Creating Links
rsync: opendir "/var/www/bbs/cache" failed: Permission denied (13)
IO error encountered -- skipping file deletion
rsync: opendir "/var/www/bbs/files" failed: Permission denied (13)
rsync: opendir "/var/www/bbs/store" failed: Permission denied (13)
rsync: send_files failed to open "/var/www/bbs/config.php": Permission denied (13)
Number of files: 10048
Number of files transferred: 1919
Total file size: 202516431 bytes
Total transferred file size: 16200288 bytes
Literal data: 16200288 bytes
Matched data: 0 bytes
File list size: 242097
File list generation time: 0.002 seconds
File list transfer time: 0.000 seconds
Total bytes sent: 39231
Total bytes received: 5617302
sent 39231 bytes received 5617302 bytes 50731.24 bytes/sec
total size is 202516431 speedup is 35.80
rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1536) [generator=3.0.9]
WARNING! : Data Transfer Interrupted
WARNING! : No mail configuration partner specified.
To specify a mail partner configuration file add the
following line into your backup configuration file :
mailconfigpartner=nameofyourmailpartner.conf