libguestfs-tools可以通过yum install -y libguestfs-tools 安装。
安装libguestfs-tools工具后，会产生一系列命令如下：

[root@kvm01 ~]# virt-
virt-alignment-scan  virt-df              virt-inspector       virt-rescue          virt-win-reg
virt-builder         virt-diff            virt-install         virt-resize          virt-xml
virt-cat             virt-edit            virt-log             virt-sparsify        virt-xml-validate
virt-clone           virt-filesystems     virt-ls              virt-sysprep         
virt-copy-in         virt-format          virt-make-fs         virt-tar-in          
virt-copy-out        virt-host-validate   virt-manager         virt-tar-out         
virt-customize       virt-index-validate  virt-pki-validate    virt-what