Launch systemd-tmpfiles once in read-only file-system

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Background



I'm setting up a Linux environment (Raspbian Stretch for RPi) writing a script that customize everything I need. Some commands are issued using systemd-nspawn.



The file-system is mount in read-only and when it runs on the target the systemd-tmpfiles-setup.service fails because it hasn't configured yet and of course it cannot create anything on the fs.



Question



How to properly setup up this service in such a scenario?



Some ideas



  1. execute systemd-nspawn -b on the host system in order to launch the service once and shutdown (could be done via script?)

  2. leave the system rw for the first boot, than execute a script that automatically setups the file-system in ro and reboots

I would prefer the first way (or a similar one) because I would like to end the deployment with the definitive SD-card image.






systemd raspberry-pi raspbian systemd-nspawn







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    Background



    I'm setting up a Linux environment (Raspbian Stretch for RPi) writing a script that customize everything I need. Some commands are issued using systemd-nspawn.



    The file-system is mount in read-only and when it runs on the target the systemd-tmpfiles-setup.service fails because it hasn't configured yet and of course it cannot create anything on the fs.



    Question



    How to properly setup up this service in such a scenario?



    Some ideas



    1. execute systemd-nspawn -b on the host system in order to launch the service once and shutdown (could be done via script?)

    2. leave the system rw for the first boot, than execute a script that automatically setups the file-system in ro and reboots

    I would prefer the first way (or a similar one) because I would like to end the deployment with the definitive SD-card image.






    systemd raspberry-pi raspbian systemd-nspawn







    share|improve this question























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      Background



      I'm setting up a Linux environment (Raspbian Stretch for RPi) writing a script that customize everything I need. Some commands are issued using systemd-nspawn.



      The file-system is mount in read-only and when it runs on the target the systemd-tmpfiles-setup.service fails because it hasn't configured yet and of course it cannot create anything on the fs.



      Question



      How to properly setup up this service in such a scenario?



      Some ideas



      1. execute systemd-nspawn -b on the host system in order to launch the service once and shutdown (could be done via script?)

      2. leave the system rw for the first boot, than execute a script that automatically setups the file-system in ro and reboots

      I would prefer the first way (or a similar one) because I would like to end the deployment with the definitive SD-card image.






      systemd raspberry-pi raspbian systemd-nspawn







      share|improve this question













      Background



      I'm setting up a Linux environment (Raspbian Stretch for RPi) writing a script that customize everything I need. Some commands are issued using systemd-nspawn.



      The file-system is mount in read-only and when it runs on the target the systemd-tmpfiles-setup.service fails because it hasn't configured yet and of course it cannot create anything on the fs.



      Question



      How to properly setup up this service in such a scenario?



      Some ideas



      1. execute systemd-nspawn -b on the host system in order to launch the service once and shutdown (could be done via script?)

      2. leave the system rw for the first boot, than execute a script that automatically setups the file-system in ro and reboots

      I would prefer the first way (or a similar one) because I would like to end the deployment with the definitive SD-card image.






      systemd raspberry-pi raspbian systemd-nspawn




      systemd raspberry-pi raspbian systemd-nspawn






      share|improve this question













      share|improve this question











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      share|improve this question










      asked Sep 25 '17 at 12:52









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