Enabling NFS no_root_squash on Gen2

[enricong]

I’ve got a new MyCloud version 2.11.140

I can enable NFS from the GUI, however it has all_root_squash by default.
I need no_root_squash for rsync.

I can change /etc/exports but I dont know how to restart the NFS service on mycloud or how to get anything to persist. Over time, my edits it will get changed back on their own too.

I found a guide about editing /usr/local/config/config.xml and putting in a boot script. I tried this putting in something to change /etc/exports but that doesnt seem to work either.

[lluna]

Hi, unfortunately I am not an SSH expert, and I wouldn’t know how to change it, lets see if another user is able to provide some guidance.

[cpt_paranoia]

@enricong

I dont know how to restart the NFS service on mycloud

Google easily finds

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/3/html/Reference_Guide/s1-nfs-start.html

Which would suggest

service nfs restart

to be consistent with other MyCloud service controls (status, stop, start, restart)

[enricong]

Mycloud Gen2 is not running redhat. That command does not work

[cpt_paranoia]

@enricong

Mycloud Gen2 is not running redhat.

The command syntax to control services are pretty similar across all variants of Linux; that Redhat page is just a handy example of good documentation.

Those commands (service [servicename] [start|stop|status|restart]) work on Gen 1 v3/v4 MyClouds.

The Gen2/v2 isn’t really running a ‘proper Linux’, which may be why those commands don’t work. Sorry; I don’t have a Gen2/v2 MyCloud so can’t advise further.

[enricong]

Yes exactly, that is the issue I a having.

[enricong]

OK, I figured it out.

I tried editing exports but I didn’t know how to restart nfs and apply the setting. Also, exports gets overwritten eventually anyways. I then tried CHROOT, but in I couldnt get nfs and rpc to work right. In debugging that, I discovered the “exportfs” command which allows you to reapply exports. Then all I had to do was replace the exports file. Once I realized that, everything fell into place.

I disabled NFS in the gui hoping it would avoid issues with periodic replacing of files.
I used the bootscript workaround that was posted elsewhere on the forum to be able to run my commands on boot.
I noticed I can’t replace the exports file too early so I wait til the system creates an exports file, then I copy my own in and then run exportfs -r

I basically just used the following commands at bootup:

while [ ! -f /etc/exports ]; do sleep 1; done
cp -f exports /etc/exports
exportfs -r

I havent done too much testing to see if my exports file eventually gets overwritten and even if that happens, if the new exports file is reapplied. Hopefully not.