TLDR: try rebuilding the iso downgrading the four packages /pool/main/a/apt/*.deb to 1.6~alpha 5?
Note: I pasted the info backwards...it's 1.6~alpha 5 that's the good version. As a test...I tried manually downgrading apt*.deb on-the fly: I created a virtual machine with a second (empty) cdrom drive. Once I got the missing kernel: I switch to alternate terminal.. chroot /target "apt-cdrom add" gives same error... Mounted the GOOD 20180131 iso into the vm as the second cdrom. mkdir /blah mount /dev/sr1 /blah cd /blah/pool/main/a/apt dpkg -i *.deb cd / umount /blah i.e. force load previous apt and apt-cdrom packages. apt-cdrom This no longer gives the error. Just as a test... cd /media/cdrom/pool/main/a/apt <-- original bad cdrom dpkg -i *.deb i.e. force load bad apt/apt-cdrom packages from latest 20180216 apt-cdrom This gives the stat no such file or directory error. So...downgrading the four packages /pool/main/a/apt/*.deb should work around the issue? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1746807 Title: 18.04 daily installer fails missing kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1746807/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs