Begin: Running /scripts/casper-premount ... done.
done.
/init: line 49: can't open /dev/sdb: No medium found
/init: line 49: can't open /dev/sdb: No medium found
/init: line 49: can't open /dev/sr0: No medium found
/init: line 49: can't open /dev/sr0: No medium found
/init: line 49: can't open /dev/sdb: No medium found
/init: line 49: can't open /dev/sdb: No medium found
/init: line 49: can't open /dev/sdb: No medium found
/init: line 49: can't open /dev/sr0: No medium found
Warning: Unable to find the persistent home medium
/init: line 49: can't open /dev/sdb: No medium found
mount: mounting /dev/sdc3 on /snap-backing failed: Device or resource busy
umount: can't unmount /snap-backing: Invalid argument
/init: line 49: can't open /dev/sr0: No medium found
/init: line 49: can't open /dev/sdb: No medium found
/init: line 49: can't open /dev/sr0: No medium found
Warning: Impossible to include the casper-sn Snapshot
/init: line 49: can't open /dev/sdb: No medium found
mount: mounting /dev/sdc3 on /snap-backing failed: Device or resource busy
umount: can't unmount /snap-backing: Invalid argument
/init: line 49: can't open /dev/sr0: No medium found
/init: line 49: can't open /dev/sdb: No medium found
/init: line 49: can't open /dev/sr0: No medium found
Warning: Impossible to include the home-sn Snapshot
mount: mounting /cow on /root/cow failed: No such file or directory
done.
Begin: Creating debconf-communicate fifo mechanism ... done.
Begin: Running /scripts/casper-bottom ... Begin: Moving mount points... ... done.
Begin: Configuring fstab... ... done.
Begin: Setting up swap... ... done.
Begin: Setting up locales... ... done.
Begin: Setting up automatic login... ... done.
Begin: Disabling systemd's GPT auto generator... ... done.
Begin: Setting hostname... ... done.
Begin: Setting up console keyboard... ... done.
Begin: Applying desktop settings... ... done.
Begin: Regenerating SSL certificate... ... done.
Begin: Loading preseed file... ... done.
Begin: Adding live session user... ... dbus-daemon[1412]: [session uid=999 pid=1412] Activating service name='org.gtk.vfs.Daemon' requested by ':1.0' (uid=999 pid=1413 comm="" label="unconfined")
dbus-daemon[1412]: [session uid=999 pid=1412] Successfully activated service 'org.gtk.vfs.Daemon'
dbus-daemon[1412]: [session uid=999 pid=1412] Activating service name='org.gtk.vfs.Metadata' requested by ':1.0' (uid=999 pid=1413 comm="" label="unconfined")
fuse: device not found, try 'modprobe fuse' first
dbus-daemon[1412]: [session uid=999 pid=1412] Successfully activated service 'org.gtk.vfs.Metadata'
A connection to the bus can't be made
done.
Begin: Setting up init... ... done.
Begin: Configuring accessibility options... ... done.
Begin: Disabling update-notifier... ... done.
Begin: Configuring power management... ... done.
Begin: Enabling detection of crashes... ... done.
Begin: Disabling unnecessary KDE services... ... done.
Begin: Fixing language selector... ... done.
Begin: Disabling trackerd... ... done.
Begin: Adding APT-CDROM source... ... Using CD-ROM mount point /cdrom/
Identifying... [12ccaa412c2c1bfb1f18f698753c0c52-2]
Scanning disc for index files...
Found 4 package indexes, 0 source indexes, 0 translation indexes and 1 signatures
Found label 'Lubuntu 20.04 LTS _Focal Fossa_ - Alpha amd64 (20200217)'
This disc is called: 
'Lubuntu 20.04 LTS _Focal Fossa_ - Alpha amd64 (20200217)'
Copying package lists...gpgv: Signature made Mon Feb 17 18:40:39 2020 UTC
gpgv:                using RSA key D94AA3F0EFE21092
gpgv: Good signature from "Ubuntu CD Image Automatic Signing Key (2012) <cdimage@ubuntu.com>"

Reading Package Indexes... 0%

Reading Package Indexes... Done
Writing new source list
Source list entries for this disc are:
deb cdrom:[Lubuntu 20.04 LTS _Focal Fossa_ - Alpha amd64 (20200217)]/ focal main multiverse restricted universe
Repeat this process for the rest of the CDs in your set.
done.
Begin: Possibly disabling update-initramfs (useless on a live CD)... ... done.
Begin: Grant administrative PolicyKit privileges to default user... ... done.
Begin: Configuring jackd2... ... done.
Begin: Disabling unity8's first run wizard... ... done.
Begin: Disabling gnome-initial-setup... ... done.
Begin: Disabling security unattended-upgrades... ... done.
Begin: Disabling snap refresh... ... done.
Begin: Overriding 71-nvidia.rules... ... done.
Begin: Configuring pollinate... ... done.