libguestfs: error: could not create appliance through libvirt.
Original error from libvirt: Cannot access storage file '/home/user/xenial-server-cloudimg-amd64-disk1.img' (as uid:107, gid:107): Permission denied [code=38 int1=13]
解决方法：
http://manpages.ubuntu.com/manpages/xenial/man1/guestfs-faq.1.html
"Permission denied" when running libguestfs as root
You get a permission denied error when opening a disk image, even
though you are running libguestfs as root.
This is caused by libvirt, and so only happens when using the libvirt backend. When run as root, libvirt decides to run the qemu appliance as user "qemu.qemu". Unfortunately this usually means that qemu cannot open disk images, especially if those disk images are owned by root, or are present in directories which require root access. There is a bug open against libvirt to fix this: https://bugzilla.redhat.com/show_bug.cgi?id= You can work around this by one of the following methods: · Switch to the direct backend: export LIBGUESTFS_BACKEND=direct · Don't run libguestfs as root. · Chmod the disk image and any parent directories so that the qemu user can access them. · (Nasty) Edit /etc/libvirt/qemu.conf and change the "user" setting. 讯享网
讯享网$ sudo guestfish --rw -a trusty-server-cloudimg-amd64-disk1.img
如有必要,请加上sudo. 运行镜像: 讯享网列出所有的文件系统:
挂载到根目录: <fs> mount /dev/sda1 /
讯享网编辑/etc/cloud/cloud.cfg文件,修改默认用户ubuntu的密码:
<fs> vi /etc/cloud/cloud.cfg
找到default_user字段 1.把lock_passwd:True修改为:lock_passwd:false.lock_passwd默认为true,锁定密码禁用密码登陆,因此我们要改成false 2.增加plain_text_passwd:'你要设置的密码'.例如我的:
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