libguestfs 是一组 Linux 下的 C 语言的 API ，用来访问虚拟机的磁盘映像文件。支持的文件系统包括: all known types of Linux filesystem (ext2/3/4, XFS, btrfs, etc.), any Windows filesystem (VFAT and NTFS), any Mac OS X and BSD filesystems, LVM2 volumes, MBR and GPT disk partitions, raw disks, qcow2, CD and DVD ISO images, SD cards 等等. libguestfs 无需 root 权限。
libguestfs 1.20 改进记录：
This release adds SVirt for secure containment of guests.
It supports disk hotplugging and up to 255 disk images at once.
New support for: POSIX ACLs, Linux capabilities, Windows dynamic disks, and Lua bindings.
Multiple enhancements to virt-sysprep.
Supports rsync to synchronize disk images with the host filesystem (both ways).
Dozens of bugfixes
项目主页：http://libguestfs.org/
下载地址：http://libguestfs.org/download/
来自:开源中国社区
