Thanks for the comment. Please find the following output when typing 'journalctl -xe'. If there is some way to work around the dependency, I'd like to have a try.
ubuntu@tegra-ubuntu:~$ journalctl -xe -- Subject: Unit nfs-mountd.service has failed -- Defined-By: systemd -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- Unit nfs-mountd.service has failed. -- -- The result is dependency. Aug 16 00:52:51 tegra-ubuntu systemd[1]: Dependency failed for NFS server and services. -- Subject: Unit nfs-server.service has failed -- Defined-By: systemd -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- Unit nfs-server.service has failed. -- -- The result is dependency. Aug 16 00:52:51 tegra-ubuntu systemd[1]: nfs-server.service: Job nfs-server.service/start failed with result 'dependency' Aug 16 00:52:51 tegra-ubuntu systemd[1]: nfs-mountd.service: Job nfs-mountd.service/start failed with result 'dependency' Aug 16 00:52:51 tegra-ubuntu systemd[1]: proc-fs-nfsd.mount: Unit entered failed state. Aug 16 00:52:51 tegra-ubuntu systemd[1]: Reloading. Aug 16 00:52:51 tegra-ubuntu systemd[1]: apt-daily.timer: Adding 9h 29min 3.903279s random time. Aug 16 00:52:52 tegra-ubuntu systemd[1]: Started CUPS Scheduler. -- Subject: Unit cups.service has finished start-up -- Defined-By: systemd -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- Unit cups.service has finished starting up. -- -- The start-up result is done. Aug 16 00:52:55 tegra-ubuntu sudo[2878]: pam_unix(sudo:session): session closed for user root -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1608784 Title: nfs-kernel-server can't install in 16.04 LTS(aarch64/arm64) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nfs-utils/+bug/1608784/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs