9.2.

9.2.1.
复制链接

```
# yum install libguestfs-tools-c
```

# ls -la /var/lib/libvirt/images
-rw-------.  1 root root  9665380352 Jul 23 14:50 a-really-important-vm.qcow2
-rw-------.  1 root root  8591507456 Jul 26  2017 an-actual-vm-that-i-use.qcow2
-rw-------.  1 root root  8591507456 Jul 26  2017 totally-not-a-fake-vm.qcow2
-rw-------.  1 root root 10739318784 Sep 20 17:57 another-vm-example.qcow2

```
# whoami
root
```

# cp /var/lib/libvirt/images/a-really-important-vm.qcow2 /var/lib/libvirt/images/a-really-important-vm-original.qcow2

# virt-sysprep -a /var/lib/libvirt/images/a-really-important-vm.qcow2
[   0.0] Examining the guest ...
[   7.3] Performing "abrt-data" ...
[   7.3] Performing "backup-files" ...
[   9.6] Performing "bash-history" ...
[   9.6] Performing "blkid-tab" ...
[...]

# virt-diff -a /var/lib/libvirt/images/a-really-important-vm-orig.qcow2 -A /var/lib/libvirt/images/a-really-important-vm.qcow2
- - 0644       1001 /etc/group-
- - 0000        797 /etc/gshadow-
= - 0444         33 /etc/machine-id
[...]
- - 0600        409 /home/username/.bash_history
- d 0700          6 /home/username/.ssh
- - 0600        868 /root/.bash_history
[...]

9.2.2.
复制链接

# ls -la /var/lib/libvirt/images
-rw-------.  1 root root  9665380352 Jul 23 14:50 a-really-important-vm.qcow2
-rw-------.  1 root root  8591507456 Jul 26  2017 an-actual-vm-that-i-use.qcow2
-rw-------.  1 root root  8591507456 Jul 26  2017 totally-not-a-fake-vm.qcow2
-rw-------.  1 root root 10739318784 Sep 20 17:57 another-vm-example.qcow2

# rm -f /etc/udev/rules.d/70-persistent-net.rules

注意

DEVICE=eth[x] BOOTPROTO=none ONBOOT=yes #NETWORK=192.0.2.0 <- REMOVE #NETMASK=255.255.255.0 <- REMOVE #IPADDR=192.0.2.1 <- REMOVE #HWADDR=xx:xx:xx:xx:xx <- REMOVE #USERCTL=no <- REMOVE # Remove any other *unique or non-desired settings, such as UUID.*

```
DEVICE=eth[x] BOOTPROTO=dhcp ONBOOT=yes
```

- 注意

```
# rm /etc/sysconfig/rhn/systemid
```

# subscription-manager unsubscribe --all # subscription-manager unregister # subscription-manager clean

# subscription-manager clean

注意

# subscription-manager register --consumerid=71rd64fx-6216-4409-bf3a-e4b7c7bd8ac9

```
# rm -rf /etc/ssh/ssh_host_example
```
```
# rm /etc/lvm/devices/system.devices
```

```
# rm ~/.config/gnome-initial-setup-done
```
注意

9.2.

9.2.1.
复制链接

9.2.2.
复制链接

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9.2.1.
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9.2.2.
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