[Python-apps-team] Bug#901434: [rdiff-backup] Unable to create backups with rdiff-backup

aab at afoot.es aab at afoot.es
Wed Jun 13 09:36:37 BST 2018

Package: rdiff-backup
Version: 1.2.8-7
Severity: grave

--- Please enter the report below this line. ---

I've been using rdiff-backup (as configured by backupninja) for years,
creating backups from 3 machines, one with Debian Lenny, another
with Debian Stretch, and the last one with Debian Buster (this one, on
my local network). 

The server was a Debian Lenny machine, upgraded to Stretch last May.

Since May 18th, I've observed the following behaviour: I can login with
ssh (public key) from any of the three machines. However, rdiff-backup
fails on both remote machines (Lenny and Stretch) but it works on the
Buster one.

I just found a related bug,
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=788871, but it seems
to be related to pre-jessie to jessie upgrade. The proposed solution
(changing server's backup shell to /bin/sh) doesn't work.

This is the actual error message:

Fatal Error: Truncated header string (problem probably originated
remotely) Couldn't start up the remote connection by executing ssh -C
user at server rdiff-backup --server Remember that, under the
default settings, rdiff-backup must be installed in the PATH on the
remote system. See the man page for more information on this. This
message may also be displayed if the remote version of rdiff-backup is
quite different from the local version (1.2.8). Warning: Failed
removing backups older than 15D. Error: ssh: connect to host
server: Connection timed out

As you can see, the connection times out but, as stated before, works
fine just logging with ssh.

Please, let me know if I can do any test to debug this.


--- System information. ---
Kernel:       Linux 4.9.0-6-amd64

Debian Release: stretch
  900 stable         deb.debian.org 
--- Package information. ---
Depends           (Version) | Installed
libc6              (>= 2.3) | 
librsync1        (>= 0.9.6) | 
python2.7                   | 
 OR python2.6               | 
python        (>= 2.6.6-7~) | 
python             (<< 2.8) | 

Recommends           (Version) | Installed
python-pylibacl                | 0.5.3-1
python-pyxattr                 | 0.6.0-2

Package's Suggests field is empty.


Algunos consejos para un uso 
coherente del correo electrónico:

1.- Para proteger la intimidad de tus contactos y evitar el SPAM
(correo no deseado): Borra la dirección del remitente y cualquier otra
dirección que aparezca en el cuerpo del mensaje. Introduce los/las
destinatarias en el apartado CCO (Con Copia Oculta) 2.- Existen otros
programas de mensajería instantánea libres y gratuitos, así que no es
ningún drama que MSN desaparezca o que hagan lo que les dé la gana. 3.-
Nadie regala duros a cuatro pesetas, verdad? Pues por qué se le da
tanto bombo a Sony Ericsson o a quien sea con el rollo de que regalan
ordenadores? A alguien le han dado uno, o cheques de Bill Gates?


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