"getent passwd" gave me on all maschines the same results some logs from the NFS Server= journalctl: Jan 12 14:37:14 nfs_server sssd_be[216]: GSSAPI client step 1 Jan 12 14:37:14 nfs_server sssd_be[216]: GSSAPI client step 1 Jan 12 14:37:14 nfs_server sssd_be[216]: GSSAPI client step 1 Jan 12 14:37:14 nfs_server sssd_be[216]: GSSAPI client step 2 Jan 12 14:52:14 nfs_server sssd_be[216]: GSSAPI client step 1 Jan 12 14:52:14 nfs_server sssd_be[216]: GSSAPI client step 1 Jan 12 14:52:14 nfs_server sssd_be[216]: GSSAPI client step 1 Jan 12 14:52:14 nfs_server sssd_be[216]: GSSAPI client step 2 Jan 12 14:52:38 nfs_server systemd[1]: Stopping RPC security service for NFS client and server... Jan 12 14:52:38 nfs_server systemd[1]: Starting Preprocess NFS configuration... Jan 12 14:52:38 nfs_server systemd[1]: Started Preprocess NFS configuration. Jan 12 14:52:38 nfs_server systemd[1]: Starting RPC security service for NFS client and server... Jan 12 14:52:38 nfs_server systemd[1]: Started RPC security service for NFS client and server. Jan 12 14:54:29 nfs_server systemd[1]: Starting RPC bind service... Jan 12 14:54:29 nfs_server systemd[1]: Started RPC bind service. Jan 12 15:07:14 nfs_server sssd_be[216]: GSSAPI client step 1 Jan 12 15:07:14 nfs_server sssd_be[216]: GSSAPI client step 1 Jan 12 15:07:14 nfs_server sssd_be[216]: GSSAPI client step 1 Jan 12 15:07:14 nfs_server sssd_be[216]: GSSAPI client step 2 Jan 12 15:22:14 nfs_server sssd_be[216]: GSSAPI client step 1 Jan 12 15:22:14 nfs_server sssd_be[216]: GSSAPI client step 1 Jan 12 15:22:14 nfs_server sssd_be[216]: GSSAPI client step 1 Jan 12 15:22:14 nfs_server sssd_be[216]: GSSAPI client step 2 Jan 12 15:25:12 nfs_server systemd[1]: Reached target Host and Network Name Lookups. Jan 12 15:25:12 nfs_server systemd[1]: Starting Host and Network Name Lookups. Jan 12 15:25:12 nfs_server systemd[1]: Starting Kernel Module supporting RPCSEC_GSS... Jan 12 15:25:12 nfs_server systemd[1]: Starting Preprocess NFS configuration... Jan 12 15:25:12 nfs_server systemd[1]: auth-rpcgss-module.service: main process exited, code=exited, status=1/FAILURE Jan 12 15:25:12 nfs_server systemd[1]: Failed to start Kernel Module supporting RPCSEC_GSS. Jan 12 15:25:12 nfs_server systemd[1]: Unit auth-rpcgss-module.service entered failed state. Jan 12 15:25:12 nfs_server systemd[1]: auth-rpcgss-module.service failed. Jan 12 15:25:12 nfs_server systemd[1]: Started Preprocess NFS configuration. Jan 12 15:25:12 nfs_server systemd[1]: Starting NFSv4 ID-name mapping service... Jan 12 15:25:12 nfs_server systemd[1]: Starting NFS Mount Daemon... Jan 12 15:25:12 nfs_server systemd[1]: Starting NFS status monitor for NFSv2/3 locking.... Jan 12 15:25:12 nfs_server rpc.statd[505]: Version 1.3.0 starting Jan 12 15:25:12 nfs_server rpc.statd[505]: Flags: TI-RPC Jan 12 15:25:12 nfs_server systemd[1]: Started NFSv4 ID-name mapping service. Jan 12 15:25:12 nfs_server rpc.mountd[507]: Version 1.3.0 starting Jan 12 15:25:12 nfs_server systemd[1]: Started NFS Mount Daemon. Jan 12 15:25:12 nfs_server systemd[1]: Started NFS status monitor for NFSv2/3 locking.. Jan 12 15:25:12 nfs_server systemd[1]: Starting NFS server and services... Jan 12 15:25:12 nfs_server systemd[1]: Started NFS server and services. Jan 12 15:25:12 nfs_server systemd[1]: Starting Notify NFS peers of a restart... Jan 12 15:25:12 nfs_server sm-notify[513]: Version 1.3.0 starting Jan 12 15:25:12 nfs_server sm-notify[513]: Already notifying clients; Exiting! Jan 12 15:25:12 nfs_server systemd[1]: Started Notify NFS peers of a restart. Jan 12 15:26:11 nfs_server systemd[1]: Stopping RPC security service for NFS client and server... Jan 12 15:26:11 nfs_server systemd[1]: Starting Preprocess NFS configuration... Jan 12 15:26:11 nfs_server systemd[1]: Started Preprocess NFS configuration. Jan 12 15:26:11 nfs_server systemd[1]: Starting RPC security service for NFS client and server... Jan 12 15:26:11 nfs_server systemd[1]: Started RPC security service for NFS client and server. i have to do an systemctl restart rpc-gssd in the nfs_server after a reboot otherwise its not even working with my home automount folders like mentioned in my first post. after the restart i can access the "public" and my personal "home" folder mounted from nfs_server:/home/& on the client at /home/ipa/username so everythings fine with the auto.home map as far as i can tell would be nice to fix this little anyoance anyways so i dont need to restart this servbice everytime manually after a reboot on the ubuntu_client= Jan 12 14:47:11 ubuntu_client apparmor[89]: /etc/init.d/apparmor: 256: /etc/init.d/apparmor: cannot open /sys/kernel/security/apparmor/.ns_stacked: Permission denied Jan 12 14:47:11 ubuntu_client apparmor[89]: * Not starting AppArmor in container Jan 12 14:47:11 ubuntu_client apparmor[89]: ...done. Jan 12 14:47:11 ubuntu_client systemd[1]: Started AppArmor initialization. Jan 12 14:47:11 ubuntu_client systemd[1]: networking.service: Failed to reset devices.list: Operation not permitted ...skipping... Jan 12 16:45:43 ubuntu_client automount[615]: expire_cleanup: sigchld: exp 140530876737280 finished, switching from 5 to 7 Jan 12 16:45:43 ubuntu_client automount[615]: st_shutdown: state 5 path /- Jan 12 16:45:43 ubuntu_client automount[615]: expire_cleanup: got thid 140530981533440 path /home/ipa stat 0 Jan 12 16:45:43 ubuntu_client automount[615]: expire_cleanup: sigchld: exp 140530981533440 finished, switching from 5 to 7 Jan 12 16:45:43 ubuntu_client automount[615]: st_shutdown: state 5 path /home/ipa Jan 12 16:45:43 ubuntu_client automount[615]: expire_cleanup: got thid 140530865141504 path /storage stat 0 Jan 12 16:45:43 ubuntu_client automount[615]: expire_cleanup: sigchld: exp 140530865141504 finished, switching from 5 to 7 Jan 12 16:45:43 ubuntu_client automount[615]: st_shutdown: state 5 path /storage Jan 12 16:45:43 ubuntu_client automount[615]: automount_path_to_fifo: fifo name /var/run/autofs.fifo-- Jan 12 16:45:43 ubuntu_client automount[615]: shut down path /- Jan 12 16:45:44 ubuntu_client automount[615]: umount_multi: path /home/ipa incl 0 Jan 12 16:45:44 ubuntu_client automount[615]: rm_unwanted_fn: removing directory /home/ipa/public Jan 12 16:45:44 ubuntu_client automount[615]: rm_unwanted_fn: removing directory /home/ipa/username Jan 12 16:45:44 ubuntu_client automount[615]: umounted indirect mount /home/ipa Jan 12 16:45:44 ubuntu_client automount[615]: automount_path_to_fifo: fifo name /var/run/autofs.fifo-home-ipa Jan 12 16:45:44 ubuntu_client automount[615]: shut down path /home/ipa Jan 12 16:45:44 ubuntu_client automount[615]: umount_multi: path /storage incl 0 Jan 12 16:45:44 ubuntu_client automount[615]: rm_unwanted_fn: removing directory /storage/software Jan 12 16:45:44 ubuntu_client automount[615]: rm_unwanted_fn: removing directory /storage/media Jan 12 16:45:44 ubuntu_client automount[615]: rm_unwanted_fn: removing directory /storage/downloads Jan 12 16:45:44 ubuntu_client automount[615]: rm_unwanted_fn: removing directory /storage/data Jan 12 16:45:44 ubuntu_client automount[615]: umounted indirect mount /storage Jan 12 16:45:44 ubuntu_client automount[615]: automount_path_to_fifo: fifo name /var/run/autofs.fifo-storage Jan 12 16:45:44 ubuntu_client automount[615]: shut down path /storage Jan 12 16:45:44 ubuntu_client automount[615]: autofs stopped Jan 12 16:45:44 ubuntu_client systemd[1]: Stopped Automounts filesystems on demand. Jan 12 16:45:44 ubuntu_client systemd[1]: autofs.service: Failed to reset devices.list: Operation not permitted Jan 12 16:45:44 ubuntu_client systemd[1]: Starting Automounts filesystems on demand... Jan 12 16:45:44 ubuntu_client automount[825]: Starting automounter version 5.1.2, master map /etc/auto.master Jan 12 16:45:44 ubuntu_client automount[825]: using kernel protocol version 5.02 Jan 12 16:45:44 ubuntu_client automount[825]: lookup_nss_read_master: reading master file /etc/auto.master Jan 12 16:45:44 ubuntu_client automount[825]: do_init: parse(sun): init gathered global options: (null) Jan 12 16:45:44 ubuntu_client automount[825]: lookup_read_master: lookup(file): read entry +dir:/etc/auto.master.d Jan 12 16:45:44 ubuntu_client automount[825]: lookup_nss_read_master: reading master dir /etc/auto.master.d Jan 12 16:45:44 ubuntu_client automount[825]: lookup(dir): dir map /etc/auto.master.d missing or not readable Jan 12 16:45:44 ubuntu_client automount[825]: lookup(file): failed to read included master map dir:/etc/auto.master.d Jan 12 16:45:44 ubuntu_client automount[825]: lookup_read_master: lookup(file): read entry +auto.master Jan 12 16:45:44 ubuntu_client automount[825]: lookup_nss_read_master: reading master sss auto.master Jan 12 16:45:44 ubuntu_client automount[825]: do_init: parse(sun): init gathered global options: (null) Jan 12 16:45:44 ubuntu_client automount[825]: master_do_mount: mounting /- Jan 12 16:45:44 ubuntu_client automount[825]: automount_path_to_fifo: fifo name /var/run/autofs.fifo-- Jan 12 16:45:44 ubuntu_client automount[825]: lookup_nss_read_map: reading map sss auto.direct Jan 12 16:45:44 ubuntu_client automount[825]: do_init: parse(sun): init gathered global options: (null) Jan 12 16:45:44 ubuntu_client automount[825]: lookup_read_map: lookup(sss): getautomntent_r: No such file or directory Jan 12 16:45:44 ubuntu_client automount[825]: st_ready: st_ready(): state = 0 path /- Jan 12 16:45:44 ubuntu_client automount[825]: master_do_mount: mounting /storage Jan 12 16:45:44 ubuntu_client automount[825]: automount_path_to_fifo: fifo name /var/run/autofs.fifo-storage Jan 12 16:45:44 ubuntu_client automount[825]: lookup_nss_read_map: reading map sss auto.storage Jan 12 16:45:44 ubuntu_client automount[825]: do_init: parse(sun): init gathered global options: (null) Jan 12 16:45:44 ubuntu_client automount[825]: mounted indirect on /storage with timeout 300, freq 75 seconds Jan 12 16:45:44 ubuntu_client automount[825]: st_ready: st_ready(): state = 0 path /storage Jan 12 16:45:44 ubuntu_client automount[825]: ghosting enabled Jan 12 16:45:44 ubuntu_client automount[825]: master_do_mount: mounting /home/ipa Jan 12 16:45:44 ubuntu_client automount[825]: automount_path_to_fifo: fifo name /var/run/autofs.fifo-home-ipa Jan 12 16:45:44 ubuntu_client automount[825]: lookup_nss_read_map: reading map sss auto.home Jan 12 16:45:44 ubuntu_client automount[825]: do_init: parse(sun): init gathered global options: (null) Jan 12 16:45:44 ubuntu_client automount[825]: mounted indirect on /home/ipa with timeout 300, freq 75 seconds Jan 12 16:45:44 ubuntu_client automount[825]: st_ready: st_ready(): state = 0 path /home/ipa Jan 12 16:45:44 ubuntu_client automount[825]: ghosting enabled Jan 12 16:45:44 ubuntu_client systemd[1]: Started Automounts filesystems on demand. after an systemctl restart autofs the sssd_autfs.log looks like I think also i have the automount setup like u suggested @Tony Brian Albers ? root@ubuntu_client:~# automount -m lookup_nss_read_master: reading master file /etc/auto.master do_init: parse(sun): init gathered global options: (null) lookup_read_master: lookup(file): read entry +dir:/etc/auto.master.d lookup_nss_read_master: reading master dir /etc/auto.master.d lookup(dir): dir map /etc/auto.master.d missing or not readable lookup(file): failed to read included master map dir:/etc/auto.master.d lookup_read_master: lookup(file): read entry +auto.master lookup_nss_read_master: reading master sss auto.master do_init: parse(sun): init gathered global options: (null) autofs dump map information =========================== global options: none configured Mount point: /- source(s): lookup_nss_read_map: reading map sss auto.direct do_init: parse(sun): init gathered global options: (null) lookup_read_map: lookup(sss): getautomntent_r: No such file or directory instance type(s): sss map: auto.direct no keys found in map Mount point: /storage source(s): lookup_nss_read_map: reading map sss auto.storage do_init: parse(sun): init gathered global options: (null) instance type(s): sss map: auto.storage software | -fstype=nfs4,rw,no_root_squash,sec=krb5,soft,rsize=8192,wsize=8192 nfs_server.ipa.mydomain.example:/storage/software data | -fstype=nfs4,rw,no_root_squash,sec=krb5,soft,rsize=8192,wsize=8192 nfs_server.ipa.mydomain.example:/storage/data downloads | nfs_server.ipa.mydomain.example:/storage/downloads media | nfs_server.ipa.mydomain.example:/storage/media Mount point: /home/ipa source(s): lookup_nss_read_map: reading map sss auto.home do_init: parse(sun): init gathered global options: (null) instance type(s): sss map: auto.home * | nfs_server.ipa.mydomain.example:/home/& public | nfs_server.ipa.mydomain.example:/home/public i played a bit with the storage mount options, wich options would be recommended whole kerberos is working fine with no errors at the ipa server no selinux active at the ubuntu client or at the nfs server freeipa client since both are proxmox lxc containers and apparmor is watching them instead a problem here? but why are some mounts then work like they should and some not? freeipa-server is an fedora27 with selinux active but i cant see any errors in the logs while restarting autofs service so far