安装
yum install libguestfs-tools
如果出现如下错误
➜ image virt-df centos7.qcow2 virt-df: symbol lookup error: /lib64/libguestfs.so.0: undefined symbol: json_string_length
执行
yum update
➜ image virt-df centos7.qcow2 libguestfs: error: could not create appliance through libvirt. Try running qemu directly without libvirt using this environment variable: export LIBGUESTFS_BACKEND=direct Original error from libvirt: Cannot access backing file '/root/image/centos7.qcow2' of storage file '/tmp/libguestfsLF6zD8/overlay1.qcow2' (as uid:107, gid:107): Permission denied [code=38 int1=13]
➜ image export LIBGUESTFS_BACKEND=direct ➜ image virt-df centos7.qcow2 Filesystem 1K-blocks Used Available Use% centos7.qcow2:/dev/sda1 508588 83328 425260 17% centos7.qcow2:/dev/centos/root 8869888 827392 8042496 10%