perhaps value defaults of nfs in ubuntu and debian are different and perhaps nfs versions are different and any of these paremeters aren't recognized in the host client.
2017-10-14 21:28 GMT+02:00 John Ratliff <j...@bluemarble.net>: > I recently set up an NFS v4 server on debian stretch. If I use a debian > client to mount the share, everything works fine. However, if I use a > CentOS or a Ubuntu client, the permissions don't work. > > I have synchronized the group ids manually, and that's the only > permissions I'm interested in. > > I have a directory structure like this: > > /export > /export/ssl > /export/ssl/wildcard > > /export/ssl/wildcard is chmod 2750 with root:ssl-cert as its owner. > root user is uid 0, ssl-cert is gid 555. > > My exports file looks like this: > > /export 10.77.9.0/24(rw,sync,fsid=0,crossmnt,no_subtree_check) > /export/ssl 10.77.9.0/24(ro,sync,no_subtree_check) > /export/ssl/wildcard 10.77.9.0/24(ro,sync,no_subtree_check) > > There is no firewall on the server. iptables is wide open. Server is > 10.77.9.188 and client is 10.77.9.189. hosts.allow has ALL:ALL on the last > line. > > I have no trouble mounting the share on the client. But a member of the > ssl-cert group (again, it IS GID 555 -- I made the group manually to ensure > this) CANNOT enter the directory. They cannot read files in the directory. > They cannot do anything with the share. > > I have this trouble with Ubuntu 14.04, Ubuntu 16.04, and CentOS 7. I do > not have any issues with Debian 8 or Debian 9 clients. > > /etc/default/nfs-common has > NEED_IDMAPD=yes > > /etc/default/nfs-kernel-server is stock; no changes. > > I have this problem with NFSv4 servers on Debian 8 and Debian 9. > > If I run the NFS server on Ubuntu 16.04, I can access it fine from Ubuntu > clients and CentOS clients, but Debian clients have the same problem. > > What am I missing? What can I do to further troubleshoot this? Is there > any way to determine what mapping it THINKS is occurring? > > Thanks. > >