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I am trying to setup NFS, i have run into some problems with regards to /etc/exports

When the content of my /etc/exports file is this:

/data1 192.168.1.213(rw)

I get this from showmount -e 192.168.1.245

client$ showmount -e 192.168.1.245
Exports list on 192.168.1.245:
client$

But when i have this in my /etc/exports file:

/data1 -alldirs -network 192.168.1.245 -mask 255.255.255.0
/data2 -alldirs -network 192.168.1.245 -mask 255.255.255.0

from here: https://www.netbsd.org/docs/guide/en/chap-net-services.html

I get this from showmount -e 192.168.1.245

client$ showmount -e 192.168.1.245
Exports list on 192.168.1.245:
/data2                             192.168.1.245 
/data1                             192.168.1.245

I can mount data1 and data2 on my client machine (also NetBSD 9.3) but I get permission denied when I try to copy files, mkdir etc

Reading this: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/managing_file_systems/exporting-nfs-shares_managing-file-systems i understand that this is the general format of /etc/exports:

export host(options)

What i would like to achieve is the following: every machine on the network (192.168.1.*) regardless of what user connects can mount whatever mount point NFS on my server (192.168.1.245) offers with read and write privileges

Reading the RedHat documentation I understand that it´s something like:

/data1 host(rw,all_squash,anonuid=1000,anongid=100)

gid and uid is set to match my user named user (non-root)

But I am not sure what to do from here.

Update The accepted answer solved the problem, I am now facing permission issues: NetBSD 9.3 - NFS Permissions

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1 Answer 1

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2

You can add -mapall=1000:100 to the lines in the /etc/exports file you crafted based on the NetBSD Guide.

The documentation for the exports file can be viewed on the NetBSD system by running man exports, or on the web at https://man.netbsd.org/NetBSD-9.3/exports.5

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  • Great, thanks, i really appreciate you taking the time to help with this. I have altered my /etc/exports: /data1 -alldirs -mapall=1000:100 -network 192.168.1.245 -mask 255.255.255.0 /data2 -alldirs -mapall=1000:100 -network 192.168.1.245 -mask 255.255.255.0 When i try to mount using: localhost$ mount 192.168.1.245:/data1 ./storage/ I get: WARNING: autoselecting nfs based on : or @ in the device name is deprecated! WARNING: This behaviour will be removed in a future release mount_nfs: bad MNT RPC: RPC: Authentication error; why = Client credential too weak
    – user1359448
    Sep 27 at 21:47
  • Glad that I was able to help. It would nice if you would accept the answer as it sounds like it fixed the issue for you.
    – Kimmo Suominen
    Sep 29 at 6:07
  • The error you now see is likely caused by trying to run mount as a regular user instead of running it as root. Have a look at this thread about RPC Authentication Error when mounting NFS for more details. If it is still an issue, please raise it as its own question instead of asking in comments.
    – Kimmo Suominen
    Sep 29 at 6:14

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