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virullius
Asked: 2018-07-26 11:55:57 +0800 CST

18.04 server remastered ISO preseed finish-install "left unconfigured"

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I have a remastered install ISO based on ubuntu-18.04-server-amd64.iso with a preseed which is failing the final step in the installer. The late_command script runs successfully, but the installer ends up on the main menu with no option to reboot.

Here is the last logs after the late_command runs: 

Jul 25 19:15:36 finish-install: info: Running /usr/lib/finish-install.d/07speakup
Jul 25 19:15:36 finish-install: info: Running /usr/lib/finish-install.d/10apt-cdrom-setup
Jul 25 19:15:36 finish-install: /usr/lib/finish-install.d/10apt-cdrom-setup backed up
Jul 25 19:15:36 main-menu[289]: INFO: Menu item 'finish-install' succeeded but requested to be left unconfigured.
Jul 25 19:15:36 main-menu[289]: INFO: Falling back to the package description for cdrom-detect
Jul 25 19:15:36 main-menu[289]: INFO: Falling back to the package description for ethdetect

This seems to indicate that something in the 10apt-cdrom-setup script returned abnormally, but I see nothing in there that should fail. Any body recognize something here or have any ideas where to look?

system-installation server preseed

1 Answers

  1. I was able to bypass this issue, I can't say it's really a fix since I never found the cause for certain.

    In my preseed file my late_command was like so: 

    d-i preseed/late_command string /bin/sh -s /final/setup.sh

    I included a exit 0 line at the end of the script but something was still causing a failure status, even though all the commands in the script were successful.
    Changing only the way the late_command is invoked made the finish-install scripts complete successfully.

    d-i preseed/late_command string /bin/sh -c "$(cat /final/setup.sh); exit 0"
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