=== 08 「지우기 전에 먼저 본다」 네 값 ===
 Id   Name          State
-----------------------------
 13   kc-lab-1      running
 15   kc-lab-edge   running
 16   kc-lab-2      running

--- 볼륨
 Name                   Path
----------------------------------------------------------------------
 base.qcow2             /var/lib/libvirt/images/base.qcow2
 kc-lab-1.qcow2         /var/lib/libvirt/images/kc-lab-1.qcow2
 kc-lab-2.qcow2         /var/lib/libvirt/images/kc-lab-2.qcow2
 kc-lab-edge.qcow2      /var/lib/libvirt/images/kc-lab-edge.qcow2
 seed-kc-lab-1.iso      /var/lib/libvirt/images/seed-kc-lab-1.iso
 seed-kc-lab-2.iso      /var/lib/libvirt/images/seed-kc-lab-2.iso
 seed-kc-lab-edge.iso   /var/lib/libvirt/images/seed-kc-lab-edge.iso

--- 예약
    <dhcp>
      <range start='192.168.122.2' end='192.168.122.254'/>
      <host mac='52:54:00:aa:bb:10' name='kc-lab-edge' ip='192.168.122.10'/>
      <host mac='52:54:00:aa:bb:11' name='kc-lab-1' ip='192.168.122.11'/>
      <host mac='52:54:00:aa:bb:12' name='kc-lab-2' ip='192.168.122.12'/>
    </dhcp>
  </ip>
</network>

--- 디스크
/dev/nvme0n1p3  226G   18G  197G   9% /

=== 08 이 지키려는 /etc/letsencrypt 가 어느 기계에 있나 ===
--- lab host
ls: cannot open directory '/etc/letsencrypt/': Permission denied
certbot: /usr/bin/certbot
--- kc-lab-edge (03·04 가 nginx·certbot 을 옮겨 둔 곳)
total 16
drwxr-xr-x  3 root root 4096 Sep 17 07:11 .
drwxr-xr-x 66 root root 4096 Sep 17 04:33 ..
-rw-r--r--  1 root root  207 Nov 12  2021 cli.ini
drwxr-xr-x  5 root root 4096 Sep 17 04:33 renewal-hooks
certbot: /usr/bin/certbot