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16.7.

重要

  • # grep facilities /proc/cpuinfo | grep 158
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  • # ls /sys/firmware | grep uv
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  • # virsh domcapabilities | grep unpack
<feature policy='require' name='unpack'/>
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  • # virsh dumpxml <vm_name> | grep "<cpu mode='host-model'/>"
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  • # yum install guestfs-tools
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  1. # grubby --update-kernel=ALL --args="prot_virt=1"
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  4. [...]
    </memballoon>
  </devices>
  <launchSecurity type="s390-pv"/>
</domain>
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  1. # touch ~/secure-parameters
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  2. # ls /boot/loader/entries -l
[...]
-rw-r--r--. 1 root root  281 Oct  9 15:51 3ab27a195c2849429927b00679db15c1-4.18.0-240.el8.s390x.conf
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  3. # cat /boot/loader/entries/3ab27a195c2849429927b00679db15c1-4.18.0-240.el8.s390x.conf | grep options
options root=/dev/mapper/rhel-root
crashkernel=auto
rd.lvm.lv=rhel/root rd.lvm.lv=rhel/swap
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  4. # echo "root=/dev/mapper/rhel-root crashkernel=auto rd.lvm.lv=rhel/root rd.lvm.lv=rhel/swap swiotlb=262144" > ~/secure-parameters
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  5. # genprotimg -i /boot/vmlinuz-4.18.0-240.el8.s390x -r /boot/initramfs-4.18.0-240.el8.s390x.img -p ~/secure-parameters -k HKD-8651-00020089A8.crt -o /boot/secure-image
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  6. # cat /boot/loader/entries/3ab27a195c2849429927b00679db15c1-4.18.0-240.el8.s390x.conf
title Red Hat Enterprise Linux 8.3
version 4.18.0-240.el8.s390x
linux /boot/secure-image
[...]
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  7. # zipl -V
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  8. # shred /boot/vmlinuz-4.18.0-240.el8.s390x
# shred /boot/initramfs-4.18.0-240.el8.s390x.img
# shred secure-parameters
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  1. #!/usr/bin/bash

echo "$(cat /proc/cmdline) swiotlb=262144" > parmfile

cat > ./HKD.crt << EOF
-----BEGIN CERTIFICATE-----
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
1234569901234569901234569901234569901234569901234569901234569900
xLPRGYwhmXzKDg==
-----END CERTIFICATE-----
EOF

version=$(uname -r)

kernel=/boot/vmlinuz-$version
initrd=/boot/initramfs-$version.img

genprotimg -k ./HKD.crt -p ./parmfile -i $kernel -r $initrd -o /boot/secure-linux --no-verify

cat >> /etc/zipl.conf<< EOF

[secure]
target=/boot
image=/boot/secure-linux
EOF

zipl -V

shutdown -h now
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  3. # virt-customize -a <vm_image_path> --selinux-relabel --firstboot <script_path>
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  • # virsh dumpxml vm-name
[...]
  <cpu mode='host-model'/>
  <devices>
    <disk type='file' device='disk'>
      <driver name='qemu' type='qcow2' cache='none' io='native'>
      <source file='/var/lib/libvirt/images/secure-guest.qcow2'/>
      <target dev='vda' bus='virtio'/>
    </disk>
    <interface type='network'>
      <source network='default'/>
      <model type='virtio'/>
    </interface>
    <console type='pty'/>
    <memballoon model='none'/>
  </devices>
  <launchSecurity type="s390-pv"/>
</domain>
    Copy to Clipboard Toggle word wrap
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