tar 解压
报错信息如下：
tar: Skipping to next header tar: A lone zero block at 3284700 tar: Exiting withfailurestatus due to previous errors
原因是数据格式不对，下载文件出现问题 ，重新下载文件 并查看下载文件信息 查看是否报警
现象： WARNING! 137 bare linefeeds received in ASCII mode
解决： 上传文件之前 先设置 文件类型为 binary
c:>ftp 192.168.0.224
连接到 192.168.0.224。
220 192.168.0.224 FTP server (QNXNTO-ftpd 20081216) ready.
用户(192.168.0.224:(none)): anonymous // 匿名方式
331 Guest login ok, type your name as password.
密码: // 此处直接回车
230 Guest login ok, access restrictions apply.
ftp> ls // 查看FTP根目录文件，对应/opt/ftp目录
200 PORT command successful.
150 Opening ASCII mode data connection for 'file list'.
a.c
226 Transfer complete.
ftp: 收到 5 字节，用时 0.00秒 5000.00千字节/秒。
ftp> binary // 设置传输方式为binary
200 Type set to I.
ftp> put gf_splash // 上传文件
200 PORT command successful.
150 Opening BINARY mode data connection for 'gf_splash'.
226 Transfer complete.
ftp: 发送 25204 字节，用时 0.02秒 1200.19千字节/秒。
ftp> ls // 确认上传成功
200 PORT command successful.
150 Opening ASCII mode data connection for 'file list'.
gf_splash
a.c
226 Transfer complete.
ftp: 收到 16 字节，用时 0.00秒 16000.00千字节/秒。
ftp> bye // 断开FTP连接
221-
Data traffic for this session was 25204 bytes in 1 file.
Total traffic for this session was 26023 bytes in 3 transfers.
221 Thank you for using the FTP service on 192.168.0.224.