# yum install guestfish
# guestfish –rw -a file.img -i
### -i を指定すればmountまで自動でやってくれる
### ><fs> run
### ><fs> list-filesystems
### /dev/vda1: ext4
### /dev/vg_hoge/lv_root: ext4
### /dev/vg_hoge/lv_swap: swap
### ><fs> mount /dev/vg_svxxx/lv_root /

<fs> cat /etc/hosts

127.0.0.1 hoge localhost localhost.localdomain

<fs> ls /tmp
<fs> write /tmp/hoge “hoge hoge”
<fs> cat /tmp/hoge

hoge hoge

<fs> sync
<fs> quit