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Old 11-13-2005, 06:37 PM   #1
Registered: May 2004
Posts: 221

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RPC registration problem using showmount

I have two systems. One is a 32-bit Pentium IV running Fedora Core 4. The other is a dual G5 Power Macintosh running Mac OS X 10.4.3. I am trying to configure things so the two computer will be able to transfer information using NFS.

I configured my Linux system for NFS, and tested the configuration by mounting the NFS share locally. I now want to try to mount the share on the Macintosh. However when I go to the Mactinosh Terminal and type the command:

showmount -e <Linux IP Address>

I get the following output:

RPC: Program not registered: Can't do Exports rpc

What does this result indicate?
What do I need so that my Macintosh is aware of which NFS shares are available from the Linux system?
Old 11-14-2005, 01:05 PM   #2
Registered: Jun 2002
Location: NY
Distribution: Gentoo,RH
Posts: 333

Rep: Reputation: 40
This looks like your mac can't talk to the other system's port mapper. Either it's not running (not sure if you'd be able to locally mount the disk then), or a firewall on the server, client, or both blocks the portmapper's port (111).

Make sure that a portmapper is running on both ends. Then, as a quick test, shut down the firewall on the Linux system and try again. If that works, add the proper firewall conduit, and restart the FW -- don't run without.

Post back if that doesn't work for more specific tests.

Hope it helps,
Old 11-15-2005, 10:54 PM   #3
Registered: May 2004
Posts: 221

Original Poster
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When I run rpcinfo -p on the Linux box I get:

program vers proto port
100000 2 tcp 111 portmapper
100000 2 udp 111 portmapper

I get similar output on the Macintosh. Also, I know that NFS is working on my Macintosh because I have two Macintosh system and I was able to get one system to mount an NFS share from the other without any problems.

I have shut down the firewall on both the Linux and Macintosh. Without shutting down the firewalls, I don't get any output from the showmount command. I figured I should get NFS working without firewalls before worrying about reactivating those firewalls.


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