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Re: [rdiff-backup-users] permission denied error when making backups
From: |
weloki |
Subject: |
Re: [rdiff-backup-users] permission denied error when making backups |
Date: |
Wed, 20 Jun 2012 09:44:47 -0700 (PDT) |
Hi Duk,
I set up a regular user's account for rdiff-backup on my backup server as
well as a directory where I save the backed up files to. That directory has
permissions for only rdiff-backup user and group (chmod -R
rdiff-backup:rdiff-backup /dirname). On the servers that I want to be backed
up I also created a user account for rdiff-backup, and in addition to the
entry in /etc/sudoers, in the file at
/rdiff-backup_home/.ssh/authorized_keys I put this on one line:
command="sudo rdiff-backup --server --restrict-read-only
/",from="backup_server_IP_address",no-port-forwarding,no-X11-forwarding,no-pty
ssh-rsa AAAAB3NzaC1...long SSH public key here... ==
address@hidden
Hopefully this helps.
Duk wrote:
>
> Hi Weloki!
>
> I've the same setup as yours and having the same problem, did you finally
> found a solution?
>
> I'm only able to do a full backup logging as root, and I don't want to do
> that.... any help there?
>
>
>
>
> weloki wrote:
>>
>> On my server that I want backed up, I do not want to SSH into it as root,
>> so I've set up a special user that has an entry in /etc/sudoers to run
>> *only* the rdiff-backup command on the host with superuser privileges:
>>
>> Cmnd_Alias RDIFFBACKUP = /usr/bin/rdiff-backup
>> rdiff-backup ALL = NOPASSWD: RDIFFBACKUP
>>
>> ...everything else about the user is normal. Now for any file that does
>> not have the chmod o+r (readable by "other") attribute I get this error
>> when trying to back it up:
>>
>> ListError filename [Errno 13] Permission denied: '/path/to/filename'
>>
>> The file permissions could look only like -------r-- and that would work,
>> in any other way, without the "r" for "other" I get the error. When I
>> perform backups logging in as root, backups are made fine.
>>
>
>
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