stdin: Not a typewriter /init: line 49: can't open /dev/sr0: No medium found /init: line 49: can't open /dev/sr0: No medium found stdin: Not a typewriter passwd: password expiry information changed. dbus-daemon[1109]: [session uid=999 pid=1109] Activating service name='org.gtk.vfs.Daemon' requested by ':1.0' (uid=999 pid=1110 comm="" label="unconfined") dbus-daemon[1109]: [session uid=999 pid=1109] Successfully activated service 'org.gtk.vfs.Daemon' dbus-daemon[1109]: [session uid=999 pid=1109] Activating service name='org.gtk.vfs.Metadata' requested by ':1.0' (uid=999 pid=1110 comm="" label="unconfined") fuse: device not found, try 'modprobe fuse' first dbus-daemon[1109]: [session uid=999 pid=1109] Successfully activated service 'org.gtk.vfs.Metadata' A connection to the bus can't be made Using CD-ROM mount point /cdrom/ Identifying... [8ab07982c7a6b8da2758265dfd472179-2] Scanning disc for index files... Found 2 package indexes, 0 source indexes, 0 translation indexes and 1 signatures Found label 'Ubuntu 20.04.6 LTS _Focal Fossa_ - Release amd64 (20230316)' This disc is called: 'Ubuntu 20.04.6 LTS _Focal Fossa_ - Release amd64 (20230316)' Copying package lists...gpgv: Signature made Thu Mar 16 15:57:18 2023 UTC gpgv: using RSA key 843938DF228D22F7B3742BC0D94AA3F0EFE21092 gpgv: Good signature from "Ubuntu CD Image Automatic Signing Key (2012) " Reading Package Indexes... 0% Reading Package Indexes... Done Writing new source list Source list entries for this disc are: deb cdrom:[Ubuntu 20.04.6 LTS _Focal Fossa_ - Release amd64 (20230316)]/ focal main restricted Repeat this process for the rest of the CDs in your set.