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Thread: Linting the preseed file

  1. #1
    Join Date
    Jun 2008

    Linting the preseed file

    Does anyone know of a way to lint the presseed file and see if it has errors in it? I'm creating a custom remaster disc and the preseed is stored on the cd-rom (so it's read-only). Is there a tool in hardy I can lint the file with before I burn it onto a disc?

  2. #2
    Join Date
    Jun 2008

    Re: Linting the preseed file

    Ok, I found how to do this:

    sudo debconf-set-selections -c file.seed

    This did the syntax check, but it actually didn't work. I had a few blank lines in the file and it passes debconf's scrutiny, but when I actually tried to use the seed file with the debian installer, it barfs saying it's corrupted. I fixed the errors reported by debconf-set-selections and removed the newlines and it appears to work.

  3. #3
    Join Date
    May 2005
    Ogden, Utah

    Re: Linting the preseed file

    Preseed needs a lot of work. From my point of view, Kickstart is much more mature, flexible and user-friendly. Further, Kickstart is documented through the nose. Preseed has maybe a dozen sites on how to start a preseed install, but not on how to setup a preseed config. If you have experience setting one up, I would be very interested.

  4. #4
    Join Date
    Jun 2008

    Re: Linting the preseed file

    This is what I have so far and it appears to be working:

    # Keyboard & Locale
    d-i     debian-installer/locale string en_US
    d-i     console-keymaps-at select us
    # Network/Host
    d-i     netcfg/choose_interface select auto
    d-i     netcfg/get_domain string
    # Clock/Time
    d-i     time/zone string US/Eastern
    d-i     clock-setup/ntp boolean true
    d-i     clock-setup/ntp-server
    # NIS
    d-i     nis/domain string
    # Apt
    d-i     apt-setup/local0/repository string stable main
    d-i     apt-setup/local0/comment string Site-Specific Software.  Do not distribute.
    d-i     apt-setup/local0/source boolean true
    d-i     debian-installer/allow_unauthenticated string true
    d-i     mirror/http/proxy
    # Configuring users
    d-i     passwd/root-password-crypted password <md5 hash here> 
    d-i     passwd/user-fullname string Tech User
    d-i     passwd/user-password-crypted password <md5 hash here>
    d-i     passwd/user-uid string 1010
    # Packages
    d-i     pkgsel/include string autofs nis nfs-common nfs-kernel-server openssh-server build-essential subversion tcl8.4-dev dupload lintian fakeroot devscripts sysv-rc-conf 
    # Late Command
    d-i     preseed/late_command string in-target sed -i -e '$ a\\+' group passwd shadow
    The thing I'm having trouble with is the preseed/late_command at the very end that's supposed to append the "+" operator to the group, passwd, and shadow files. It gives me an error and doesn't execute. I think this command changed recently (I think it was debian-installer/late_command previously, but I'm not sure). I've seen posts of others saying they had trouble getting the late_command to work as well.

    One thing I've noticed about my configuration is that the network commands are useless. I'm still asked whether I want to setup the network and it doesn't seem like it reads this file until after that. I also get a strange PPPoE concatenator error that I'm unsure of how to override using the correct d-i command. I've noticed the same with the keyboard layout. I'm STILL prompted to set it up after seeding this file.


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