Linux 创建一个没有安装的虚拟软盘映像？
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create a virtual floppy image without mount?
提问by Congbin Guo
There are a lot of posts to show to create a virtual floppy image file as a super user or users can run sudocommand. The basic steps are:
有很多帖子可以作为超级用户或用户可以运行sudo命令来创建虚拟软盘映像文件。基本步骤是：
- create empty 1.44MB image file by
ddcommand - format the image file by
mkfs.msdos - mount the image file to some mount point
- copy something to the mount point
umountthe virtual floppy image file
- 通过
dd命令创建空的 1.44MB 图像文件 - 格式化图像文件
mkfs.msdos - 将图像文件挂载到某个挂载点
- 复制一些东西到挂载点
umount虚拟软盘映像文件
my question is, in case I am just a common user who cannot run sudocommand, how can I follow above steps to create a virtual floppy image and write something in it?
我的问题是，如果我只是一个无法运行sudo命令的普通用户，我该如何按照上述步骤创建虚拟软盘映像并在其中写入内容？
Thanks a lot.
非常感谢。
采纳答案by Igor Chubin
Yes, of course you can do this. Use mtoolsfor the FAT and e2toolsor genext2fsfor the ext2 filesystems.
是的，你当然可以这样做。使用mtoolsFAT和e2tools或genext2fs用于EXT2文件系统。
$ dd if=/dev/zero of=/tmp/disk1.img count=1440 bs=1k
1440+0 records in
1440+0 records out
1474560 bytes (1.5 MB) copied, 0.00569719 s, 259 MB/s
$ /sbin/mkfs.msdos /tmp/disk1.img
mkfs.msdos 3.0.12 (29 Oct 2011)
$ mdir -i /tmp/disk1.img
Volume in drive : has no label
Volume Serial Number is 9913-BFF6
Directory for ::/
No files
1 457 664 bytes free
$ mcopy -i /tmp/disk1.img /etc/issue.net ::/
$ mdir -i /tmp/disk1.img
Volume in drive : has no label
Volume Serial Number is 9913-BFF6
Directory for ::/
issue net 28 2012-06-26 10:49
1 file 28 bytes
1 457 152 bytes free
And of course, I have no root rights.
当然，我没有root权限。
