How to make nfs share accessible across subnets?

[ubuntu at howorth.org.uk]

> Hey there,
> 
> Bo Berglund wrote:
> 
> >#NFS video share on ubuntuserv
> >192.168.119.216:/home/bosse/www/video /mnt/video nfs tcp,noexec,intr
> >0 0  
> 
> >So I looked at how nfs was set up on my Ubuntu server:
> >In the file /etc/exports I found this:
> >
> >/home/bosse/www/video 192.168.119.0/24(rw,sync,no_subtree_check)
> >/home/bosse/www/video 192.168.117.0/24(rw,sync,no_subtree_check)  
> 
> The /etc/fstab line is all about who is sharing what with me and
> where I can find it:
> 
> [who is sharing with me]:[what they are sharing] [where I can find it
> on my system] [options]
> 
> The /etc/exports line is all about what I am sharing and with whom:
> 
> [what I am sharing] [who I am sharing it with](options)
> 
> If you look at your current set-up, those don't quite seem to match
> up with what I get the impression you'd like NFS to be doing. Your
> who, what, and where might need some sorting out, and you'll want to
> check the /etc/fstab and /etc/exports files on both machines to make
> sure the information matches up nicely.
> 
> ====================

I think you're confused, Little Girl :)

> Here's your ubuntuserv machine's /etc/fstab line:

No, Bo said this line was in his Mint machine (the remote machine) and
it has a COMMENT before it that explains its purpose.

> 192.168.119.216:/home/bosse/www/video /mnt/video nfs tcp,noexec,intr
> 0 0
> 
> ====================
> 
> My reading of your ubuntuserv /etc/fstab line is:
> 
> The machine at the 192.168.119.216 IP is sharing
> the /home/bosse/www/video directory with me and I can find it in
> my /mnt/video directory and these are the options that must be used.
> 
> ====================
> 
> Here are your ubuntuserv machine's /etc/exports lines:
> 
> /home/bosse/www/video 192.168.119.0/24(rw,sync,no_subtree_check)
> /home/bosse/www/video 192.168.117.0/24(rw,sync,no_subtree_check)
> 
> ====================
> 
> My reading of your ubuntuserv /etc/exports lines is:
> 
> I am sharing my /home/bosse/www/video directory with the machines at
> the 192.168.119.0 through 192.168.119.255 IP addresses and these are
> the options that must be used.
> 
> I am sharing my /home/bosse/www/video directory with the machines at
> the 192.168.117.0 through 192.168.117.255 IP addresses and these are
> the options that must be used.
> 
> ====================
> 
> I get the feeling that's not quite what you want those lines to say.
> 
> Your /etc/exports lines look like they do what you're after as long
> as /home/bosse/www/video is on the ubuntuserv machine and as long as
> it wants to share that directory with any machine at any of the
> specified IP addresses.
> 
> It's the /etc/fstab line on ubuntuserv that seems to be what's
> messing things up. I get the impression that that line should be in
> the remote machine's /etc/fstab file and not on ubuntuserv and it
> should contain ubuntuserv's IP.
> 
> >Then I did this:
> >
> >sudo exportfs -a
> >sudo systemctl restart nfs-kernel-server  
> 
> Here are the commands I would use after making changes (see man
> exportfs for why the r option might be helpful):
> 
> # Restart NFS:
> 	sudo exportfs -ar
> 	sudo systemctl restart nfs-kernel-server
> # Restart the network:
> 	sudo systemctl restart systemd-networkd
> 
> -- 
> Little Girl
> 
> There is no spoon.
> 
> -- 
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