Re: rsync to NAS for backup

[mick crane <mick.crane@gmail.com>]

On 2021-02-15 12:39, mick crane wrote:
> On 2021-02-13 19:20, David Christensen wrote:
> > On 2021-02-13 01:27, mick crane wrote:
> > > I made a mistake and instead of getting a PC for backup I got a NAS.
> > > I'm struggling to get to grips with it.
> > > If rsync from PC to NAS NAS changes the owner/group of files to 
> > > me/users which is probably no good for backing up.
> > > There's that problem then another that it won't let me login as root.
> > > I asked on Synology forum but not getting a lot of joy.
> > > https://community.synology.com/enu/forum/1/post/141137
> > > Anybody used these things can advise ?
> >
> > What is the model of the Synology NAS?  What options -- CPU, memory,
> > disks, bays, interfaces, PSU, whatever?  Support page URL?
> >
> >
> > Reading the forum post, it sounds like you damaged the sudoers file.
> > The fix would appear to be doing a Mode 2 reset per Synology's
> > instructions:
> >
> > https://www.synology.com/en-global/knowledgebase/DSM/tutorial/General_Setup/How_to_reset_my_Synology_NAS
> >
> >
> > Once the NAS has been reset, figure out how to meet your needs within
> > the framework provided by Synology.  Follow the User Guide.  Follow
> > the Admin Guide.  Do not mess around "under the hood" with a terminal
> > and sudo.  Make Synology earn your money.
> >
> >
> > But if you want complete control, buy or build an x86_64/amd64 server,
> > install Debian, and have at it.
>
> thanks for advices folks.
> It was indeed user error with being in a rush and blurred eyesight
> mistook "%" for "#"
> We are making progress.
> Appears that to retain permissions need root at both ends of rsync.
> Have keys working with ssh for users to NAS ( not helped by default
> permissions for .ssh files being wrong) and can su to root so now need
> to get ssh working with keys with no passphrase for root and all
> should be good.

further to this if it helps anybody can start sshd with -d switch and at 
same time do client with -vv switch then can see where is falling down. 
Having telnet available helps if break sshd_config can still telnet and 
mend it.
mick

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