Synchronize two LTSP servers' /home?

theluketaylor ekul.taylor at gmail.com
Wed May 2 13:07:00 UTC 2012


rsync can be configured to do what you want with permissions.

I'd highly recommnd using a central authentication source like LDAP so you
don't have to make sure everyone gets created with the right UID along with
all the password hassles of different accounts on different servers.  LDAP
doesn't need a lot of bandwidth so you won't really have any issues there.

If you're like my setup edubuntu is in addition to windows labs so my
edbuntu server is joined to active directory and people just use their
existing usernames and passwords.  If you have AD it's pretty easy to do
and saves a lot of user hassle.
On Tue, May 1, 2012 at 12:01 PM, Joseph Bishay <joseph.bishay at gmail.com>wrote:

> Hello,
>
> Thank you for your reply.
>
> A /home NFS server won't work because of the bandwidth between the two
> server is not enough.
>
> I think a cron RSYNC job would be great -- do I just need to sync the
> non-hidden files in the /home/user folder?  Any issues with
> permissions?
>
> Thank you
> Joseph
>
> On Fri, Apr 27, 2012 at 1:41 PM, theluketaylor <ekul.taylor at gmail.com>
> wrote:
> > You probably want to setup a cron rsync job if you really want to sync.
> >
> > a /home NFS server and mounting the user's files rather than storing them
> > locally would be a much more robust option.  Depending on the bandwidth
> > between sites that might not be reasonable performance though.
> >
> > On Fri, Apr 27, 2012 at 1:36 PM, Joseph Bishay <joseph.bishay at gmail.com>
> > wrote:
> >>
> >> Hello,
> >>
> >> I hope everyone is doing well.
> >>
> >> Our school has moved to it's new purpose-built facility and things are
> >> working perfectly -- the building was wired so that all network jacks
> >> in the building are "home-run" back to the main lan room, where the
> >> LTSP server is.  Thus the different bottle-necks we used to suffer
> >> from using single cable -> switch single cable -> switch are gone.
> >>
> >> One thing I need to resolve is how to sync the user's files in our old
> >> building to our new building. Some of the users still go back and
> >> forth, and we have an Edubuntu server at each location.  Is there a
> >> recommended way to do so? Is it as simple as activating Ubuntu One
> >> (since it's built-into Edubuntu) for those users?  Or is there
> >> something better.
> >>
> >> The two machines are not identical, so I'd only want to sync the user's
> >> files.
> >>
> >> Thank you very much!
> >> Joseph
> >>
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>
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