https://moneyslow.com making money with technology Thu, 05 Mar 2020 22:28:30 +0000 en-US hourly 1 https://wordpress.org/?v=6.7.5 https://moneyslow.com/linux%e4%b8%8b%e7%9a%84dd%e5%91%bd%e4%bb%a4%e4%bd%bf%e7%94%a8%e8%af%a6%e8%a7%a3dd-if-dev-zero-of.html Thu, 05 Mar 2020 22:28:30 +0000 https://moneyslow.com/?p=10981 /root/image.gz 5.将压缩的备份文件恢复到指定盘 #gzip -dc /root/image.gz | dd of=/dev/hdb 6.备份与恢复MBR 备份磁盘开始的512个字节大小的MBR信息到指定文件： #dd if=/dev/hda of=/root/image count=1 bs=512 count=1指仅拷贝一个块；bs=512指块大小为512个字节。]]>