已经有人发了帖子(https://forum.ubuntu.org.cn/viewtopic.p ... 5#p3162525),说有灵异现象,其实,我好像也碰到了……
所以想确认一下
这是我在“我告诉你”上下载的Win 10镜像文件
文件名 cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso
SHA1 883A8DD83863DC68A56090FB69D82F8043273D10
文件大小 3.99GB
发布时间 2016-03-30
ed2k://|file|cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso|4280434688|DF6A8F8B6643525C3AE7EC1E3EFC3C79|/
先校验,sha1sum确实一致
kashu:~$ sha1sum /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso
883a8dd83863dc68a56090fb69d82f8043273d10 /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso
kashu:~$ file /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso
/home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso: # ISO 9660 CD-ROM filesystem data 'CCSA_X64FRE_ZH-CN_DV5' (bootable)
kashu:~$ sudo mount -t iso9660 /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso /mnt
mount: block device /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso is write-protected, mounting read-only
kashu:~$ ls /mnt
readme.txt
kashu:~$ sudo umount /mnt
kashu:~$ sha1sum /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso
883a8dd83863dc68a56090fb69d82f8043273d10 /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso
kashu:~$ sudo mount -t loop /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso /mnt
mount: unknown filesystem type 'loop'
kashu:~$ sha1sum /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso
883a8dd83863dc68a56090fb69d82f8043273d10 /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso
kashu:~$ sudo mount -t udf /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso /mnt
mount: block device /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso is write-protected, mounting read-only
kashu:~$ ls /mnt
autorun.inf boot bootmgr bootmgr.efi efi setup.exe sources support
kashu:~$ sudo umount /mnt
kashu:~$ sha1sum /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso
424f51a35d0e901c3f5690217e8c1c332a354328 /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso
上面是我一系列连续的操作,最后,sha1sum就变了……
实际上只做了一个操作:sudo mount -t udf /home/kashu/cn_windows_10_multiple_editions_insider_preview_14295_x64_dvd_8475180.iso /mnt
为什么会这样?
操作系统:Xubuntu 14.04.4 LTS 64-bit
kashu:~$ mount --version
mount from util-linux 2.20.1 (with libblkid and selinux support)