Problems getting rsync over SSH without password

Rick Stevens ricks at nerd.com
Wed Oct 21 18:43:47 UTC 2009


Aaron Gray wrote:
> 2009/10/21 Rick Stevens <ricks at nerd.com>:
>> Aaron Gray wrote:
>>> Hi,
>>>
>>> I have two old servers with one mirroring the other using RSYNC over
>>> SSH. I did this some time ago.
>>>
>>> Now coming to replace these servers with two new F11 ones I cannot
>>> seem to get the it to work without supplying passwords.
>>>
>>> I followed my instructions I wrote at the time for RSYNC over SSH, but
>>> it still asks for a password even though AFAICS I have set up the
>>> certificates correctly.
>>>
>>> Any help or suggestions welcome,
>> Make sure that the user's .ssh directory has the correct SELinux contexts as
>> well as correct permissions:
>>
>> $ ls -lZd .ssh
>> drwx------. rick rick system_u:object_r:home_ssh_t:s0  .ssh
>> $ ls -lZ .ssh
>> -rw-------. rick rick system_u:object_r:home_ssh_t:s0  authorized_keys
>> -rw-------. rick rick system_u:object_r:home_ssh_t:s0  id_dsa
>> -rw-r--r--. rick rick system_u:object_r:home_ssh_t:s0  id_dsa.keystore
>> -rw-r--r--. rick rick system_u:object_r:home_ssh_t:s0  id_dsa.pub
>> -rw-r--r--. rick rick system_u:object_r:home_ssh_t:s0  known_hosts
> 
> Okay, my F11 instillation did not have a .ssh directory, so I am getting :-
> 
> [root at yyy ~]# ls -lZd .ssh
> drwx------. root root unconfined_u:object_r:admin_home_t:s0 .ssh
> [root at yyy ~]# ls -lZ .ssh
> -rw-r-----. root root unconfined_u:object_r:admin_home_t:s0 authorized_keys
> -rw-r--r--. root root unconfined_u:object_r:admin_home_t:s0
> datacomms-net-key.pub
> -rw-r--r--. root root unconfined_u:object_r:admin_home_t:s0 known_hosts
> 
> How do I go about changing the unconfined_u's to system_u ?

As root:

     # chcon -v -u system_u /path/to/userhome/.ssh/*

You can also try (as root):

     # restorecon -v -R /path/to/userhome/.ssh
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- Rick Stevens, Systems Engineer                      ricks at nerd.com -
- AIM/Skype: therps2        ICQ: 22643734            Yahoo: origrps2 -
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-   The light at the end of the tunnel is really an oncoming train.  -
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