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I added some entries into my /etc/exports file. But when I boot my system, the file is not read. I check it by sudo exportfs — it returns nothing (also I can't mount the exported folders on other systems).

Then I run sudo expotfs -a and then again sudo exportfs — and now all my exported folders are listed (and now I can mount the exported folders on other systems).

I'm running kubuntu 9.04 with 2.6.28-11-generic kernel

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I spotted a bug in Jaunty that affects NFS mounts; seems the NFS client modules aren't getting loaded properly. Is the nfsd module getting loaded properly? Check after reboot, before you run the manual exportfs commands. bug report: – quack quixote Nov 2 '09 at 10:19
yeah, both nfsd and exportfs are listed as loaded modules – netimen Nov 2 '09 at 19:24

Try running /etc/init.d/nfs-kernel-server start from the shell to see if it works; if it silently exits, try it again with

sh -x /etc/init.d/nfs-kernel-server start

to see where it's failing (missing executables or whatnot).

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