From: Sharon Kimble <boudiccas@skimble.plus.com>
To: obnam-support@obnam.org
Date: Thu, 03 Aug 2017 12:17:44 +0100
Message-ID: <87poccgasn.fsf@skimble.plus.com>
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Subject: using obnam on a synology server
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I've recently acquired a synology box and have spent a long time getting
it set up so that I can backup using obnam to it. Currently, I can back
up to it, and restore from it, but - with each operation it =3Dalways=3D
asks for my ssh keyphrase, and I haven't found any way round it as yet.

This is my obnam conf file for it -

=2D-8<---------------cut here---------------start------------->8---
[config]

# repository =3D sftp://boztu@192.168.1.108/NetBackup/obnam
repository =3D sftp://boztu@192.168.1.108/homes/boztu/obnam
root =3D /home/boudiccas/kindle5
client-name =3D London
# ssh =3D boxname
# compress-with =3D gzip
keep =3D 14d,5w,6m
lru-size=3D1024
upload-queue-size=3D512
#upload-queue-size=3D4096
chunk-size=3D67108864
checkpoint=3D8G
log =3D /home/boudiccas/logs/obsyn.txt
log-level =3D info
log-keep =3D 5
log-max =3D 25 mb
log-mode =3D 0600
=2D-8<---------------cut here---------------end--------------->8---

This is my bash script to run it -

=2D-8<---------------cut here---------------start------------->8---
#!/bin/bash

#: Title			: obsync
#: Date				: 03 August 2017
#: Author			: Sharon Kimble
#: Version			: 1.0
#: Description			: script to help in running obnam for backups to a synolog=
y box
#: License			: GNU GPL 3.0 or later
####################################################
# How to use.
# Change the lines in the '#Variables' section to fit your situation and yo=
ur file tree. And save it in ~/bin/notify, and then run 'chmod +x ~/bin/not=
ify' to make it executable.
# Then put an entry for it in your crontab, this is mine -
# 00 */2 * * * DISPLAY=3D:0 /home/boudiccas/bin/obmusic	#backup /home and l=
et it run every 2 hours for backups.
####################################################
# Variables
logfile=3D"/home/boudiccas/logs/ob-sync.txt"
obsyn=3D"/home/boudiccas/cron/conf/obsyn.conf"
# obsynology=3D"sftp://boztu@192.168.1.108/NetBackup/obnam"
####################################################

/usr/bin/notify-send "Starting obnam-synology backup..."
=20
exec > >(tee -a $logfile) 2>&1

obnam --config=3D"$obsyn" backup

if [ "$?" -ne 0 ]; then
  notify-send "Unable to finish obnam-synology backup."
  exit 1
else
=20=20
#  du -sh "$obsynology"
=20=20=20=20
echo 'Sending Backup report : Backup to obnam-synology completed', "$(date =
-R)" 'logged to' "$logfile"
echo '####################################'

  notify-send "Finished obnam-synology backup."

fi
=2D-8<---------------cut here---------------end--------------->8---

There is a lot of stuff commented out in both scripts from where I've
tried various things, which have been left in to show what doesn't work.

I have generated a new key-pair in ssh, and saved the public key to
./ssh on the synology box but its failing to recognise that and asking
at every command for my keyphrase.

On the box itself I have the following setup -

=2D-8<---------------cut here---------------start------------->8---
=2D boxname
  | - homes=20
      | - admin
      | - boztu
          | - obnam
          | - .ssh
          | authorised_keys
=2D-8<---------------cut here---------------end--------------->8---

I have tried following these pages [1], [2], [3] and [4], but they don't
seem to affect running obnam at all as I keep being asked for my
passphrase.

So can any kind soul please help me out with not being asked for my
passphrase as part of a bash script or obnam conf please?

Thanks
Sharon.

[1] https://www.chainsawonatireswing.com/2012/01/15/ssh-into-your-synology-=
diskstation-with-ssh-keys/?from=3D@
[2] http://www.chainsawonatireswing.com/2012/01/16/log-in-to-a-synology-dis=
kstation-using-ssh-keys-as-a-user-other-than-root/
[3] http://www.chainsawonatireswing.com/2012/01/17/change-the-ssh-port-you-=
use-to-log-in-to-a-synology-diskstation/
[4] http://www.chainsawonatireswing.com/2012/01/22/log-in-to-a-synology-dis=
kstation-quicker-easier-using-an-ssh-config-file/
=2D-=20
A taste of linux =3D http://www.sharons.org.uk
TGmeds =3D http://www.tgmeds.org.uk
DrugFacts =3D https://www.drugfacts.org.uk=20=20
Debian 9.0, fluxbox 1.3.5-2, emacs 25.1.1, org-mode 9.0.9

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