Problems getting rsync over SSH without password

[Aaron Gray]

2009/10/21 Rick Stevens <ricks at nerd.com>:
> Aaron Gray wrote:
>>
>> 2009/10/21 Rick Stevens <ricks at nerd.com>:
>>>
>>> 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
>>
>> Thanks Rick, the 'restorecon' done it nicely :)
>>
>> RSYNC seems to be working without a password now !
>
> No problem.  Remember that if you create things under your home
> directory, SELinux may not take a liking to it unless you tickle it.
> It's bitten me before, so I feel your pain.

Generally I check by going putting SELinux into permissive mode.
Forgot this time :)

Thanks,

Aaron