红帽全球峰会16.7.
重要
# grep facilities /proc/cpuinfo | grep 158# ls /sys/firmware | grep uv# virsh domcapabilities | grep unpack <feature policy='require' name='unpack'/># virsh dumpxml <vm_name> | grep "<cpu mode='host-model'/>"# yum install guestfs-tools
# grubby --update-kernel=ALL --args="prot_virt=1"[...] </memballoon> </devices> <launchSecurity type="s390-pv"/> </domain>
# touch ~/secure-parameters# ls /boot/loader/entries -l [...] -rw-r--r--. 1 root root 281 Oct 9 15:51 3ab27a195c2849429927b00679db15c1-4.18.0-240.el8.s390x.conf# 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# echo "root=/dev/mapper/rhel-root crashkernel=auto rd.lvm.lv=rhel/root rd.lvm.lv=rhel/swap swiotlb=262144" > ~/secure-parameters# 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# 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 [...]# zipl -V# shred /boot/vmlinuz-4.18.0-240.el8.s390x # shred /boot/initramfs-4.18.0-240.el8.s390x.img # shred secure-parameters
#!/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# virt-customize -a <vm_image_path> --selinux-relabel --firstboot <script_path>
# 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>
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