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Ani
Asked: 2014-12-09 01:16:56 +0800 CST

Copy package to a specific directory with customized ISO

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I have a customized Ubuntu ISO, where I have all my required packages being installed, from the /pool/extras/ directory. Now, I want to be able to copy one of the packages (.deb) from this /pool/extras directory and save it to another location, say to the home directory of a user that I know exists (/home/myuser/). I tried adding this in the preseed 

d-i   preseed/late_command string if [ -f /media/cdrom/pool/extras/mypkg.deb ]; then cp -f /media/cdrom/pool/extras/mypkg.deb /home/myuser; fi

But this didn't seem to work!, is this approach correct ? or is there any other way that I can get the package (at a later stage, maybe) from /pool/extras ?

iso

2 Answers

  1. I have at least a suggestion for you. I know that this works, because I work on a project with Ubuntu 14.4 and this mechanism works for me.

    First the preesed.cfg preseed-lat command

    d-i preseed/late_command string \
cd /target; \
wget http://sub.webserver.domain/directory/script; \
chmod +x ./script; \
chroot ./ ./script; \
rm -f ./script

    The file that we call script here contains the code that gats executed while the
    installation:

    something like 

    wget http://sub.webserver.tdl/dir/run -O /etc/profile.d/run.sh
chmod +x /etc/profile.d/run.sh

    as you see this approach requires a webserver. If you have an ISO as your case ju can store both files in the root of your ISO and use the following 

      d-i preseed/run string script

    In this case the script has to be in the same directory then the preseed.cfg

    In the example above the script file juust copies run.sh to the profile.d directory in wich every sh file is being executed when a user is logging in.

    Depending on what you want to do you can either use the script file itself to copy your files with sh-shell commands or use the sh file in profile.d with bash after the user has loggd in and delet it if thae actions are done.

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  2. Finally, the ISO way didnt work for me, so the workaround I used is, via dpkg :

    In my .deb package, in the postinst script (bash), I added a section like:

    MYPKG=$(find $PWD -name mypkg.deb)
cp -f $MYPKG /home/myuser

    surprisingly enough, when I logged the path, it was indeed /media/cdrom/pool/extras/mypkg.deb (as used in the late_command string!) :(

    Not sure why it didn't work via d-i preseed/late_command

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