Hi there all
I have been a BackupPC user for approximately 1 year now. I have only ever
used BackupPC's 'tar' and 'smb' xfer methods. I recently implemented extra
Linux servers at a client and now have the need to back them up. Currently I
am using the 'smb' method to backup the SAMBA shares, but ideally I would
prefer to use the 'rsync' xfer method. I have carefully followed the
following two links in setting up BackupPC and the SSH keys:
- http://backuppc.sourceforge.net/faq/ssh.html
- http://www.debianhelp.co.uk/backuppc.htm
The first link on the BackupPC site advises that you test as the BackupPC
user on the server to verify if it works, I did as follows:
---------------------------------------------------------------------------
[EMAIL PROTECTED]:/etc/backuppc# ssh -l root server1 whoami
root
[EMAIL PROTECTED]:/etc/backuppc# su - backuppc
[EMAIL PROTECTED]:~$ ssh -l root server1 whoami
Enter passphrase for key '/var/lib/backuppc/.ssh/id_rsa':
[EMAIL PROTECTED]'s password:
Permission denied, please try again.
[EMAIL PROTECTED]'s password:
----------------------------------------------------------------------------
I am very new to the usage of SSH keys and I am not sure if I have
configured things correctly. I did follow the above links very carefully and
everything else works perfectly.
I found an article on an article somewhere online that I should add the
BackupPC user to the sudoers file, see the /etc/sudoers file below for the
syntax I used:
----------------------------------------------------------------------------------
# /etc/sudoers
#
# This file MUST be edited with the 'visudo' command as root.
#
# See the man page for details on how to write a sudoers file.
#
# Host alias specification
# User alias specification
# Cmnd alias specification
# User privilege specification
root ALL=(ALL) ALL
backuppc ALL=NOPASSWD: /usr/bin/rsync
----------------------------------------------------------------------------------
Below I have inserted the error message that I receive and then also the
server1.pl config file right at the bottom. This will hopefully give you
some insight into my problem. See the log file as follows:
--------------------------------------------------------------------------------------------
File /var/lib/backuppc/pc/server1/XferLOG.bad.z (Extracting only Errors)
Contents of file /var/lib/backuppc/pc/server1/XferLOG.bad.z, modified
2006-12-19 03:02:46 (Extracting only Errors)
Running: /usr/bin/ssh -C -x -l root -o
PreferredAuthentications=publickey server1 /usr/bin/rsync --server
--sender --numeric-ids --perms --owner --group --devices --links
--times --block-size=2048 --recursive --exclude=/proc --exclude=/dev
--exclude=/cdrom --exclude=/media --exclude=/floppy --exclude=/mnt
--exclude=/var/lib/backuppc --exclude=/lost+found --ignore-times .
/etc/
Xfer PIDs are now 13604
Got remote protocol 1836213584
Fatal error (bad version): Permission denied (publickey,password).
Read EOF: Connection reset by peer
Tried again: got 0 bytes
fileListReceive() failed
Done: 0 files, 0 bytes
Got fatal error during xfer (fileListReceive failed)
Backup aborted (fileListReceive failed)
--------------------------------------------------------------------------------------------
I tried running the below that I found in the log file and it seems
to run fine, therefore I killed the process:
[EMAIL PROTECTED]:/etc/backuppc# /usr/bin/ssh -C -x -l root -o
PreferredAuthentications=publickey server1 /usr/bin/rsync --server
--sender --numeric-ids --perms --owner --group --devices --links
--times --block-size=2048 --recursive --exclude=/proc --exclude=/dev
--exclude=/cdrom --exclude=/media --exclude=/floppy --exclude=/mnt
--exclude=/var/lib/backuppc --exclude=/lost+found --ignore-times .
/etc/
Killed by signal 2.
See the server1.pl config file as follows:
--------------------------------------------------------------------------------------------
File /etc/backuppc/server1.pl
Contents of file /etc/backuppc/server1.pl, modified 2006-12-19 02:35:06
# Minimum period in days between full and incremental backups:
$Conf{FullPeriod}
<http://strika.kicks-ass.org/backuppc/index.cgi?action=view&type=docs#item_%24conf%7bfullperiod%7d>
= 6.97;
$Conf{IncrPeriod}
<http://strika.kicks-ass.org/backuppc/index.cgi?action=view&type=docs#item_%24conf%7bincrperiod%7d>
= 0.97;
# Number of full and incremental backups to keep:
$Conf{FullKeepCnt}
<http://strika.kicks-ass.org/backuppc/index.cgi?action=view&type=docs#item_%24conf%7bfullkeepcnt%7d>
= 2;
$Conf{IncrKeepCnt}
<http://strika.kicks-ass.org/backuppc/index.cgi?action=view&type=docs#item_%24conf%7bincrkeepcnt%7d>
= 6;
# Note that additional fulls will be kept for as long as is necessary
# to support remaining incrementals.
# What transport to use backup the client [smb|rsync|rsyncd|tar|archive]:
$Conf{XferMethod}
<http://strika.kicks-ass.org/backuppc/index.cgi?action=view&type=docs#item_%24conf%7bxfermethod%7d>
= 'rsync';
# The file system path or the name of the rsyncd module to backup when
# using rsync/rsyncd:
$Conf{RsyncShareName}
<http://strika.kicks-ass.org/backuppc/index.cgi?action=view&type=docs#item_%24conf%7brsyncsharename%7d>
= ['/etc', '/data/corporate', '/ekasi'];
# If this is defined only these files/paths will be included in the backup:
$Conf{BackupFilesOnly}
<http://strika.kicks-ass.org/backuppc/index.cgi?action=view&type=docs#item_%24conf%7bbackupfilesonly%7d>
= undef;
# These files/paths will be excluded from the backup:
$Conf{BackupFilesExclude}
<http://strika.kicks-ass.org/backuppc/index.cgi?action=view&type=docs#item_%24conf%7bbackupfilesexclude%7d>
= ['/proc', '/dev', '/cdrom', '/media', '/floppy', '/mnt',
'/var/lib/backuppc', '/lost+found'];
# Level of verbosity in Xfer log files:
$Conf{XferLogLevel}
<http://strika.kicks-ass.org/backuppc/index.cgi?action=view&type=docs#item_%24conf%7bxferloglevel%7d>
= 1;
# Commands to run for client backups:
# Note the use of SSH's -C attribute. This enables compression in SSH.
$Conf{RsyncClientCmd}
<http://strika.kicks-ass.org/backuppc/index.cgi?action=view&type=docs#item_%24conf%7brsyncclientcmd%7d>
= '$sshPath -C -x -l root -o PreferredAuthentications=publickey $host
$rsyncPath $argList+';
# Commands to run for client direct restores:
# Note the use of SSH's -C attribute. This enables compression in SSH.
$Conf{RsyncClientRestoreCmd}
<http://strika.kicks-ass.org/backuppc/index.cgi?action=view&type=docs#item_%24conf%7brsyncclientrestorecmd%7d>
= '$sshPath -C -q -x -l root $host $rsyncPath $argList+';
# Compression level to use on files. 0 means no compression. See notes
# in main config file before changing after backups have already been done.
$Conf{CompressLevel}
<http://strika.kicks-ass.org/backuppc/index.cgi?action=view&type=docs#item_%24conf%7bcompresslevel%7d>
= 1;
--------------------------------------------------------------------------------------------
Kind Regards
-- -- -- -- -- -- --
Ashley Shaw
LightSpeedDevelopment
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Fax: +27 21 447 9561
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Skype: lightspeeddevelopment
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