Re: [CentOS] C6: ssh X-forwarding does not work

2011-10-28 Thread Les Mikesell
On Fri, Oct 28, 2011 at 5:59 PM, Lorenzo Martínez Rodríguez
 wrote:
>
> oop my fail! I have mistyped one character :(
>
> [root@Carmen tmp]# rpm -qa| grep -i xorg-x11-xauth
> xorg-x11-xauth-1.0.2-7.1.el6.x86_64
> [root@Carmen tmp]# rpm -qa|grep -i xorg-x11-auth
> [root@Carmen tmp]#
>
> So, yes,.. I have that packet installed! Sorry for the misunderstood.
> Just the lack of one "x" started the flame.

Do some of the checkbox installs omit it?   I just ran into this on a
system where I chose the 'web server' install, then wanted to run
gparted remotely.

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Re: [CentOS] C6: ssh X-forwarding does not work

2011-10-28 Thread Lorenzo Martínez Rodríguez

oop my fail! I have mistyped one character :(

[root@Carmen tmp]# rpm -qa| grep -i xorg-x11-xauth
xorg-x11-xauth-1.0.2-7.1.el6.x86_64
[root@Carmen tmp]# rpm -qa|grep -i xorg-x11-auth
[root@Carmen tmp]#

So, yes,.. I have that packet installed! Sorry for the misunderstood. 
Just the lack of one "x" started the flame.


El 29/10/11 00:56, Lorenzo Martínez Rodríguez escribió:
> El 28/10/11 10:30, John Hodrien escribió:
>> On Fri, 28 Oct 2011, Steve Brooks wrote:
>>
>>> I have a few "sl6.1" worstations that do not have "xorg-x11-xauth"
>>> installed and it does *not* seem to appear in the repos. Yet
>>> X11-Forwarding works fine.
>> It's in the base repos for SL, so it definitely should be appearing.  Without
>> a functioning xauth, I've never seen functional X forwarding.
>>
>> I would be interested to know what ssh -Yv that-host-without-xauth shows.
>> Without xauth I get:
>>
>> debug1: Remote: No xauth program; cannot forward with spoofing.
> I execute next command and, without xorg-x11-xauth packet installed, it
> works perfectly.
>
> ssh -X -C -c blowfish-cbc,arcfour -Y -l root 192.168.52.133
>
>
>> jh
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>


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Re: [CentOS] C6: ssh X-forwarding does not work

2011-10-28 Thread Lorenzo Martínez Rodríguez
El 28/10/11 10:30, John Hodrien escribió:
> On Fri, 28 Oct 2011, Steve Brooks wrote:
>
>> I have a few "sl6.1" worstations that do not have "xorg-x11-xauth"
>> installed and it does *not* seem to appear in the repos. Yet
>> X11-Forwarding works fine.
> It's in the base repos for SL, so it definitely should be appearing.  Without
> a functioning xauth, I've never seen functional X forwarding.
>
> I would be interested to know what ssh -Yv that-host-without-xauth shows.
> Without xauth I get:
>
> debug1: Remote: No xauth program; cannot forward with spoofing.

I execute next command and, without xorg-x11-xauth packet installed, it 
works perfectly.

ssh -X -C -c blowfish-cbc,arcfour -Y -l root 192.168.52.133


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Re: [CentOS] CentOS 6 Bug Fix Announcements

2011-10-28 Thread Lamar Owen
On Friday, October 28, 2011 05:55:06 PM Karanbir Singh wrote:
> We should have all the announcements out and caught up by the middle of
> next week.

FWIW, announcements or no announcements, I've been pretty happy to see the 
updates coming through CR, and I thank you and the team for this.  Back when it 
was first mentioned I wasn't actually too enthralled with the idea, but what a 
difference a few months makes.  If it weren't for the legwork in making CR a 
reality the lag in getting 6.1 out would be very difficult to rationalize.

The 6.0 to 6.1 anaconda changes alone must be giving you guys fits; from what 
I've gathered, both in actually installing C6.0 versus RHEL 6.1 as well as in 
the upstream release notes, there were fairly extensive fixes implemented in 
anaconda.

I've not looked at the beta 6.2 release notes yet
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Re: [CentOS] CentOS 6 Bug Fix Announcements

2011-10-28 Thread Karanbir Singh
hi Ian,

On 10/28/2011 03:01 PM, Ian Stirling wrote:
> Are there going to be any CentOS 6 announcements made about bug fixes 
> etc made to CentOS Announce mailing list  ?

yes.

> CentOS 6 has been around for a while now, has many fixes available, yet 
> I haven't seen a single announcement.   Perhaps I am just not subscribed 
> to the correct list .

Everything in CR will get announced to the centos-announce-cr list.

We should have all the announcements out and caught up by the middle of
next week.

- KB
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Re: [CentOS] What happened to 6.1

2011-10-28 Thread Les Mikesell
On Fri, Oct 28, 2011 at 3:22 PM, Marko Vojinovic  wrote:
>
>> That logic depends on a very strange interpretation of the term
>> "restriction".  The GPL doesn't narrowly define it narrowly as legal
>> actions, it says you may not impost any further restrictions.
>
> True, and that is why it is a loophole. You can interpret the word
> "restriction" in more than one way. IIUC, RH's interpretation is that
> "restriction" is something that is "against the law" if violated, in the sense
> that you can get sued by someone if you redistribute RH's code. There are no
> restrictions by RH, in that sense.
>
> Whether or not this interpretation was meant when GPL was designed is an
> entirely different matter. IMHO, the FSF should have been more specific about
> what "restriction" means in the text of the GPL. But they weren't, and now RH
> has used this room to manouver around.

Whether something is legal or not is always open to interpretation.
But it would take a valid copyright holder to challenge their right to
redistribute under those terms.  My name might still be mentioned
somewhere in comments in the distribution but I can't claim ownership
of any particular line of code, so that leaves me out.

> But I don't see it as a bad thing, all in all. If you want support from RH,
> pay for it. If not, use CentOS or some other clone.

It's a bad thing if you think clones should exist at all.
Realistically, we would all probably be better off jumping ship the
day of the fedora/EL split, but I've just been too lazy to learn to
spell "apt-get".

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Re: [CentOS] What happened to 6.1

2011-10-28 Thread Marko Vojinovic
On Friday 28 October 2011 20:45:16 Les Mikesell wrote:
> On Fri, Oct 28, 2011 at 2:37 PM, Marko Vojinovic  wrote:
> > But RH did not add restrictions. Whatever you get from them, you are free
> > to redistribute, in accord with GPL. There can be *no* *legal* *action*
> > against you if you do so. OTOH, it is their choice whether or not to
> > give you anything else in the future. GPL is not broken by the choice
> > they make.
> 
> That logic depends on a very strange interpretation of the term
> "restriction".  The GPL doesn't narrowly define it narrowly as legal
> actions, it says you may not impost any further restrictions.

True, and that is why it is a loophole. You can interpret the word 
"restriction" in more than one way. IIUC, RH's interpretation is that 
"restriction" is something that is "against the law" if violated, in the sense 
that you can get sued by someone if you redistribute RH's code. There are no 
restrictions by RH, in that sense.

Whether or not this interpretation was meant when GPL was designed is an 
entirely different matter. IMHO, the FSF should have been more specific about 
what "restriction" means in the text of the GPL. But they weren't, and now RH 
has used this room to manouver around.

But I don't see it as a bad thing, all in all. If you want support from RH, 
pay for it. If not, use CentOS or some other clone. If they fall behind in 
providing updates, that amounts to the price that you didn't pay for RH's 
support. I think that's fair, given that RH developers are the ones doing the 
most of the heavyweight work.

Best, :-)
Marko

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Re: [CentOS] What happened to 6.1

2011-10-28 Thread Les Mikesell
On Fri, Oct 28, 2011 at 2:37 PM, Marko Vojinovic  wrote:
>
> But RH did not add restrictions. Whatever you get from them, you are free to
> redistribute, in accord with GPL. There can be *no* *legal* *action* against
> you if you do so. OTOH, it is their choice whether or not to give you anything
> else in the future. GPL is not broken by the choice they make.

That logic depends on a very strange interpretation of the term
"restriction".  The GPL doesn't narrowly define it narrowly as legal
actions, it says you may not impost any further restrictions.

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Re: [CentOS] What happened to 6.1

2011-10-28 Thread Marko Vojinovic
On Friday 28 October 2011 18:54:25 Les Mikesell wrote:
> On Fri, Oct 28, 2011 at 12:47 PM, Ned Slider  wrote:
> >> The question is, how can a contract containing restrictions on what
> >> you can do with GPL covered content not invalidate your own right to
> >> redistribute, given that the GPL prohibits additional restrictions?
> > 
> > As I understand, Red Hat's AUP is more about protecting content other
> > than sources and binaries that resides on RHN (yes, RHN is far more than
> > just a distribution channel for SRPMs/RPMs). Such content and material
> > is vital in supporting it's customers, and I believe the likes of Oracle
> > and Suse were leveraging such content to try to sell support to existing
> > RHEL customers. This is what Red Hat presumably seeks to stop.
> 
> OK, but then it should have specific exceptions for GPL content
> already 'protected' from such proprietary behavior and restrictions.
> What is the point of the GPL existing if companies are allowed to add
> restrictions when they redistribute?

But RH did not add restrictions. Whatever you get from them, you are free to 
redistribute, in accord with GPL. There can be *no* *legal* *action* against 
you if you do so. OTOH, it is their choice whether or not to give you anything 
else in the future. GPL is not broken by the choice they make.

Of course it is a form of a blackmail --- "don't redistribute or we'll cut off 
future support" --- but that is not in contradiction with the GPL, due to the 
word "future". Rather, it seems to be a loophole in the GPL itself, and a 
pretty nifty one, if you ask me. :-) Also, the essential idea of the GPL (that 
source should be free) is preserved --- you can always take whatever has been 
given to you through RHN and fork a project, without legal worry.

In addition, it appears that the business strategy of RH is essentially based 
on this loophole, and now they are just pushing it to the extreme, thanks to 
the challange from Oracle. It's a good business strategy, and personally I 
agree with it --- RH has found a way to fight other companies from stealing 
their work and customers, while upholding the GPL and giving a lot back to the 
community through upstream patches and support of Fedora. Of course, there are 
some collateral damage side-effects for the clones like CentOS and SL, but then 
that's life, nobody is perfect... ;-)

Best, :-)
Marko

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Re: [CentOS] What happened to 6.1

2011-10-28 Thread Les Mikesell
On Fri, Oct 28, 2011 at 12:47 PM, Ned Slider  wrote:
>
>> The question is, how can a contract containing restrictions on what
>> you can do with GPL covered content not invalidate your own right to
>> redistribute, given that the GPL prohibits additional restrictions?
>>
>
> As I understand, Red Hat's AUP is more about protecting content other
> than sources and binaries that resides on RHN (yes, RHN is far more than
> just a distribution channel for SRPMs/RPMs). Such content and material
> is vital in supporting it's customers, and I believe the likes of Oracle
> and Suse were leveraging such content to try to sell support to existing
> RHEL customers. This is what Red Hat presumably seeks to stop.
>

OK, but then it should have specific exceptions for GPL content
already 'protected' from such proprietary behavior and restrictions.
What is the point of the GPL existing if companies are allowed to add
restrictions when they redistribute?

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[CentOS] Upgrading MySQL

2011-10-28 Thread Jack Fredrikson
Hi;
Upon trying to run django, I get this error:

ImproperlyConfigured: MySQLdb-1.2.1p2 or newer is required; you have 1.2.1

If I run yum update mysql I don't upgrade (expected). What do?
TIA,
Jack
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Re: [CentOS] What happened to 6.1

2011-10-28 Thread Ned Slider
On 28/10/11 18:31, Les Mikesell wrote:
> On Fri, Oct 28, 2011 at 12:17 PM, Patrick Lists
>   wrote:
>>
>>> How is, say, being
>>> required to pay a license fee as a consequence different from losing
>>> something you have already contracted and paid for?
>>
>> It would surprise me if Red Hat would not refund the customer or let
>> them ride out the term of what they have already paid for. And didn't
>> the customer agree to Red Hat's terms (AUP) when they signed the contract?
>
> The question is, how can a contract containing restrictions on what
> you can do with GPL covered content not invalidate your own right to
> redistribute, given that the GPL prohibits additional restrictions?
>


As I understand, Red Hat's AUP is more about protecting content other 
than sources and binaries that resides on RHN (yes, RHN is far more than 
just a distribution channel for SRPMs/RPMs). Such content and material 
is vital in supporting it's customers, and I believe the likes of Oracle 
and Suse were leveraging such content to try to sell support to existing 
RHEL customers. This is what Red Hat presumably seeks to stop.

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Re: [CentOS] What happened to 6.1

2011-10-28 Thread Les Mikesell
On Fri, Oct 28, 2011 at 12:17 PM, Patrick Lists
 wrote:
>
>> How is, say, being
>> required to pay a license fee as a consequence different from losing
>> something you have already contracted and paid for?
>
> It would surprise me if Red Hat would not refund the customer or let
> them ride out the term of what they have already paid for. And didn't
> the customer agree to Red Hat's terms (AUP) when they signed the contract?

The question is, how can a contract containing restrictions on what
you can do with GPL covered content not invalidate your own right to
redistribute, given that the GPL prohibits additional restrictions?

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Re: [CentOS] What happened to 6.1

2011-10-28 Thread Patrick Lists
On 10/28/2011 06:53 PM, Les Mikesell wrote:
> On Fri, Oct 28, 2011 at 11:13 AM, Lamar Owen  wrote:
>>

   Even GPL only requires redistribution by upstream to its customers.
>>>
>>> With _no additional restrictions_ on subsequent redistribution.
>>
>> Losing access to RHN does not in any way restrict my redistribution of 
>> source I already have in my possession.
>
> Errr, what?   What _is_ a restriction if not a penalty applied as a
> consequence of doing the restricted thing?

Disclaimer: IANAL

It seems the GPL requirements are met so then there is no GPL related 
restriction. If you exercise your GPL induced rights and redistribute 
the RHN src then there is nothing wrong with Red Hat deciding to no 
longer want you as a customer. You still got to exercise your rights. 
But once you are no longer a customer and thus no longer receiving RHN 
binaries from Red Hat then Red Hat is under no obligation to share with 
you anything from RHN anymore.

How is, say, being
> required to pay a license fee as a consequence different from losing
> something you have already contracted and paid for?

It would surprise me if Red Hat would not refund the customer or let 
them ride out the term of what they have already paid for. And didn't 
the customer agree to Red Hat's terms (AUP) when they signed the contract?

Regards,
Patrick
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Re: [CentOS] What happened to 6.1

2011-10-28 Thread Les Mikesell
On Fri, Oct 28, 2011 at 11:13 AM, Lamar Owen  wrote:
>
>> >
>> >  Even GPL only requires redistribution by upstream to its customers.
>>
>> With _no additional restrictions_ on subsequent redistribution.
>
> Losing access to RHN does not in any way restrict my redistribution of source 
> I already have in my possession.

Errr, what?   What _is_ a restriction if not a penalty applied as a
consequence of doing the restricted thing?  How is, say, being
required to pay a license fee as a consequence different from losing
something you have already contracted and paid for?

> But none of that helps when you need access to binaries to verify binary 
> compatibility, and the AUP for the place you get your binaries interferes, 
> even if you're paying for access to those binaries.  And arguing about GPL 
> won't help, since the GPL does not in any way cover all of the distribution.

That's true, but at least in the past, RH apparently thought GPL
compliance and openness would win customers.  If those customers
leave, it might make a difference.

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Re: [CentOS] What happened to 6.1

2011-10-28 Thread Lamar Owen
On Friday, October 28, 2011 11:29:52 AM Les Mikesell wrote:
> On Fri, Oct 28, 2011 at 10:20 AM, Lamar Owen  wrote:
> >
> >  Even GPL only requires redistribution by upstream to its customers.
> 
> With _no additional restrictions_ on subsequent redistribution.

Losing access to RHN does not in any way restrict my redistribution of source I 
already have in my possession. 

'Restricting distribution' is popping a DMCA takedown notice to the operator of 
a site redistributing the source and getting it removed; they can't do that 
(I'm neither going to comment on nor am I going to speculate about binaries).  

But they can (and will) choose to not distribute anything to you in the future 
should you redistribute what you've received through RHN.  I could 
(hypothetically) give you everything I've gotten from RHN; I won't (and the GPL 
doesn't make me) because I want future access to RHN, but if that access were 
to be removed for whatever reason I have complete freedom to distribute any and 
all source I've gotten up to that point.

And, really, it now makes absolutely perfect business sense why they give 
public access to their sources: they can cut off RHN to a user who hasn't 
downloaded the source from RHN and point to the public ftp and say, in effect, 
'now get your source there, but no more RHN for you.'  And that meets the 
letter of the GPL, which is all about source code access to those who have 
binaries.  At least in my opinion, and assuming that all GPL-covered source is 
actually available on the public site.

But none of that helps when you need access to binaries to verify binary 
compatibility, and the AUP for the place you get your binaries interferes, even 
if you're paying for access to those binaries.  And arguing about GPL won't 
help, since the GPL does not in any way cover all of the distribution.  

What will help is figuring out how someone with access to RHN AUP covered 
information can 'clean room' only the information required to confirm binary 
compatibility to the 'binary compatibility verifier' without violating the AUP.

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Re: [CentOS] read failed after messages of non existing harddisks

2011-10-28 Thread Richard Mollel
Just reread your post again
Actually, "cat /proc/partitions", if the said partitions/disks are still being 
seen by kernel, you will need some sort of system scan to get rid of them, or a 
reboot.
I have a SAN, and qlogic card as HBA, qlogic has a tool for scanning for 
non-existent partitions and remove them...
http://filedownloads.qlogic.com/files/ms/56615/readme_dynamic_lun_22.html
and with qlogic, I could have removed the non-existent LUNs via the option 
refresh:
-r, --refresh
    To refresh, that is remove LUNs that are lost
    use the options "-r|--refresh". This will
    remove the LUNs which no more exist.
How were these disks attached to your system?




- Original Message -
From: Philippe Naudin 
To: CentOS mailing list 
Cc: 
Sent: Friday, October 28, 2011 9:26 AM
Subject: Re: [CentOS] read failed after messages of non existing harddisks

Le ven 28 oct 2011 14:08:50 CEST, Götz Reinicke a écrit:

> Hi,
> 
> some time ago I removed some physical disks from a server and now I'm
> still getting dmesg messages like:
> 
> sd 0:2:2:0: SCSI error: return code = 0x00040001
> end_request: I/O error, dev sdc, sector 0
> 
> And all lvm tools still grumbel about that disks too:
> 
> /dev/sdb: read failed after 0 of 4096 at 0: Eingabe-/Ausgabefehler
>   /dev/sdb: read failed after 0 of 4096 at 1746969493504:
> Eingabe-/Ausgabefehler
> 
> 
> How may I tell the lvm and the system, that it is ok that this disk do
> not exist any more?

If a software RAID has been removed, don't forget :
  mdadm --misc --zero-superblock /dev/sdX 
where sdX is every disk that was part of the RAID.


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Re: [CentOS] read failed after messages of non existing harddisks

2011-10-28 Thread Richard Mollel
Before you physically removed the disk, you were supposed to have done pvremove.
you can try pvdisplay/pvscan and see if these disks are displayed there, before 
trying a pvremove on them again.
I assume the said disks were properly remove from any lv,vg that you had.



- Original Message -
From: Götz Reinicke 
To: CentOS mailing list 
Cc: 
Sent: Friday, October 28, 2011 8:08 AM
Subject: [CentOS] read failed after messages of non existing harddisks

Hi,

some time ago I removed some physical disks from a server and now I'm
still getting dmesg messages like:

sd 0:2:2:0: SCSI error: return code = 0x00040001
end_request: I/O error, dev sdc, sector 0

And all lvm tools still grumbel about that disks too:

/dev/sdb: read failed after 0 of 4096 at 0: Eingabe-/Ausgabefehler
  /dev/sdb: read failed after 0 of 4096 at 1746969493504:
Eingabe-/Ausgabefehler


How may I tell the lvm and the system, that it is ok that this disk do
not exist any more?

    Thnaks for hints and suggestion . Götz
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Fax  +49 7141 969 55 420
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Re: [CentOS] What happened to 6.1

2011-10-28 Thread Lamar Owen
On Friday, October 21, 2011 02:22:26 PM Les Mikesell wrote:
> Which is explicitly imposing additional restrictions.  Which is
> explicitly prohibited in section 6.  I don't see any exceptions
> relating to what the consequences of those restrictions might be.

The RHN AUP simply says that if you redistribute information from RHN you lose 
access to RHN.  It does not restrict your right to redistribute anything; it 
restricts access to future information distributions from RHN.  I know that's 
splitting hairs, but it does seem to meet the letter of the license.  After 
all, RHN access is not required except for updates; if I really wanted to do so 
I could redistribute everything I have from RHN at this point in time and 
upstream has no legal recourse against that distribution that I know of (but I 
am neither a lawyer nor a paralegal; Russ on the other hand knows of what he 
speaks).  

They can, however, choose to not distribute anything else to me in the future, 
and nothing in the GPL or any other license used by upstream forces them to 
distribute anything new to me.  And that's the gestalt of the RHN AUP; it 
states under what conditions RHN will distribute the compiled binary code 
(treated specially by GPL and not as a derived work) to you, its customer.  
Once you have received the binary of a particular version you have the right, 
under GPL and only for GPL-covered packages, to receive the source code for 
that particular version of that package.  

Upstream is very gracious (in my opinion, at least) and distributes all of its 
source, not just GPL source and not just to customers but to the public at 
large (I say all; I haven't personally verified that all source in any given 
RHN channel is indeed available publicly on ftp.redhat.com, primarily because I 
don't have access to all channels).  They could distribute only the source that 
they legally have to under those licenses that require it, but not for the 
source covered under other licenses that do not require redistribution of 
source plus modifications.

But just because I have version 1.2.3 of a package does not give me a 
guaranteed right under GPL to get 1.2.4 from them.  And just because I can get 
the source to the 1.2.4 package they distribute does not give me an automatic 
right to the corresponding binary as the GPL does treat the compiled code 
specially.  If you get the binary, you have the right to the source; if you 
have the source it is assumed you can generate the binary yourself (as is 
proven by the various EL rebuilds).  

The level of difficulty required to generate the binary is not specified or 
even addressed by the GPL, nor does the GPL guarantee your ability to generate 
the exact same binary as someone else distributes. nor is the distributor 
of the binary restricted at all in how difficult generating their exact binary, 
or a 100% compatible binary, can be.  This seems to be the current holdup with 
C6.1, in my opinion; you can build *a* binary but will it work just like *the* 
binary?  Upstream can make it even more difficult than they already have (and I 
know it's currently very frustrating to the CentOS team just from reading this 
thread!).

Russ, is that summary even close to accurate in your opinion?

These are the facts of life for an EL rebuild distribution user.  If you want a 
primary access distribution (rather than a secondary rebuild) you need to find 
one that meets your needs, either by paying up for upstream or by going to 
something else (and there are really only two suitable enterprise choices for 
'something else' in this case (and in my opinion): OpenSuSE or Debian Stable). 

 I'm evaluating Debian Stable on IA64 myself, as Debian Stable is the only 
actively maintained enterprise-grade distribution (again, in my opinion) freely 
available for IA64 (yes, upstream's EL5 is still available and is still 
maintained, but it costs six arms and eight legs to purchase for the machines I 
have; SLES likewise).  

And I don't really currently have the time to rebuild C6 for IA64 myself.  I'd 
love to, and I've had conversations with like-minded people, and I don't really 
want to go to Debian on it since I really want the IA64 boxes to work like all 
the other servers here which are running upstream EL rebuilds.  But I have more 
important and necessary things to do with my time at the moment than to get 
into the game of maintaining a private rebuild for IA64 (I say private; even if 
I had time to maintain the build I don't have time to deal with the 'issues' of 
a public build!).
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Re: [CentOS] What happened to 6.1

2011-10-28 Thread John R Pierce
On 10/28/11 8:29 AM, Les Mikesell wrote:
> On Fri, Oct 28, 2011 at 10:20 AM, Lamar Owen  wrote:
>> >
>> >Even GPL only requires redistribution by upstream to its customers.
> With_no additional restrictions_  on subsequent redistribution.

redhat's threat of disabling RHN access for redistributing RHN GPL 
sources seems to be in direct violation of this...


-- 
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Re: [CentOS] What happened to 6.1

2011-10-28 Thread Les Mikesell
On Fri, Oct 28, 2011 at 10:20 AM, Lamar Owen  wrote:
>
>  Even GPL only requires redistribution by upstream to its customers.

With _no additional restrictions_ on subsequent redistribution.

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Re: [CentOS] What happened to 6.1

2011-10-28 Thread Lamar Owen
On Friday, October 21, 2011 10:17:18 AM Giles Coochey wrote:
 
> It appears that this is not the case, and my only option is to take my
> servers down the beta route to Centos 6.1 Release Candidates.

This is one area in which CentOS and Scientific Linux are different (and it's 
interesting, reading the SL lists, how that some of the folks that went SL a 
few months ago are confused about SL's direction, even to the point of calling 
it a waste of resources).  This is just one area, by the way.

So on Scientific Linux you can indeed 'stay with SL 6.0' and still get security 
updates only (as best as can be provided without other package updates) for the 
full length of the support period.  There are and have been exceptions, but 
that was and is one of the primary goals, it appears, of SL.

However, the speed at which SL has put out 6.1 seems to imply that they aren't 
quite as picky about binary compatibility (library linked versions, and all of 
the other things that 'binary compatibility' means) as CentOS seems to be.  (I 
say 'seems' in both cases because I do not have inside knowledge of either 
projects' binary compatibility tests).

And it appears that the 'binary compatibility' piece coupled with upstream's 
new acceptable use policy (which, since it has changed, might be something to 
ask FSF about anew) is the primary reason for the slowdown of CentOS, along 
with the secondary reason that there are packages in upstream's EL6 that aren't 
distributed on any media at all.  I haven't looked closely enough to check if 
there are source packages in an RHN channel that don't exist on the public FTP. 
 

But GPL does not cover the entire distribution; PostgreSQL, just to pull one of 
many packages out of thin air, is not GPL and thus source redistribution is not 
required, even to customers.  Even GPL only requires redistribution by upstream 
to its customers.
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Re: [CentOS] C6: ssh X-forwarding does not work

2011-10-28 Thread Lamar Owen
On Friday, October 28, 2011 04:10:05 AM Steve Brooks wrote:

> I have a few "sl6.1" worstations that do not have "xorg-x11-xauth" 
> installed and it does *not* seem to appear in the repos. Yet 
> X11-Forwarding works fine.

That's mighty strange, as a basically scratch SL6.1 install here shows:
[root@pe1600sc-2 ~]# repoquery --qf "%-20{repoid} %{name}" xorg-x11-xauth
sl   xorg-x11-xauth
[root@pe1600sc-2 ~]# cat /etc/issue
Scientific Linux release 6.1 (Carbon)
Kernel \r on an \m

[root@pe1600sc-2 ~]#

On a CentOS 6.0+CR VM here:

[root@z1-c6 ~]# repoquery --qf "%-20{repoid} %{name}" xorg-x11-xauth
base xorg-x11-xauth
[root@z1-c6 ~]# cat /etc/issue
CentOS Linux release 6.0 (Final)
Kernel \r on an \m

[root@z1-c6 ~]#

I did absolutely nothing special to either of these two boxes (just a basic 
installation that included GNOME and other server things (these boxes get used 
as remote desktop servers in addition to other duties, so GUI is required), and 
X forwarding works fine.  I typically use X forwarding to run a few GUI 
programs that are mighty handy, such as palimpsest (GNOME Disk Utility) which 
puts all in one place lots and lots of useful information about your disk 
devices that would otherwise require many command line invocations to grab.

Both boxes have xorg-x11-xauth installed.
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Re: [CentOS] You suggestion for 'big' filesystem management Best Practice?

2011-10-28 Thread Adam Tauno Williams
On Fri, 2011-10-28 at 10:34 +0200, Götz Reinicke wrote:
> we plan to set up a big file storage for media files like uncompressed
> movies from student film projects, dvd images etc.
> It should be some sort of archive and will not bee accessed by more than
> may be 5 people at the same time.
> The iSCSI RAID we have is about 26TB netto and I'm again faced with the
> question: How many partitions, which filesystem, which mount options etc.=
> For the User it would be the most simpel thing, to have one big
> filesystem she/he could fill with all the data and dont has to search
> e.g. on multiple volumes.

Use LVM.

Divide it into numerous partitions. 
Initialize the partitions as Physical Volumes.
Create a Volume Group containing the Physical Volumes.
Then create the volumes you allocate storage as using Logical Volumes.
Your LV can span as many, or as few, PVs as you like.

To the SAN each PV is a partition, you can move it, delete it, etc..
In the OS you can move data between PVs, migrate LVs between PVs, etc..
Even connect to another SAN, attach PVs there to you volume group, and
migrate the LVs to those PVs - this migrating data from one SAN to
another.  Then drop the PVs on the old SAN from the VG.


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[CentOS] CentOS 6 Bug Fix Announcements

2011-10-28 Thread Ian Stirling
Are there going to be any CentOS 6 announcements made about bug fixes 
etc made to CentOS Announce mailing list  ?

CentOS 6 has been around for a while now, has many fixes available, yet 
I haven't seen a single announcement.   Perhaps I am just not subscribed 
to the correct list .

Ian
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Re: [CentOS] Duplicated packages in CR repo?

2011-10-28 Thread Karanbir Singh
On 10/28/2011 02:31 PM, Tom Brown wrote:
> do you have a list of the bad packages so that i can remove them from
> our spacewalk before they cause us an issue?

sure, here is the list I removed :

./x86_64/RPMS/xorg-x11-server-Xnest-1.7.7-29el6_1.2.x86_64.rpm
./x86_64/RPMS/xorg-x11-server-Xdmx-1.7.7-29el6_1.2.x86_64.rpm
./x86_64/RPMS/corosynclib-devel-1.2.3-36el6_1.3.i686.rpm
./x86_64/RPMS/xorg-x11-server-source-1.7.7-29el6_1.2.noarch.rpm
./x86_64/RPMS/xorg-x11-server-devel-1.7.7-29el6_1.2.x86_64.rpm
./x86_64/RPMS/xorg-x11-server-Xephyr-1.7.7-29el6_1.2.x86_64.rpm
./x86_64/RPMS/xorg-x11-server-devel-1.7.7-29el6_1.2.i686.rpm
./x86_64/RPMS/corosync-1.2.3-36el6_1.3.x86_64.rpm
./x86_64/RPMS/xorg-x11-server-common-1.7.7-29el6_1.2.x86_64.rpm
./x86_64/RPMS/corosynclib-1.2.3-36el6_1.3.i686.rpm
./x86_64/RPMS/corosynclib-devel-1.2.3-36el6_1.3.x86_64.rpm
./x86_64/RPMS/rsyslog-4.6.2-3el6_1.4.x86_64.rpm
./x86_64/RPMS/xorg-x11-server-Xorg-1.7.7-29el6_1.2.x86_64.rpm
./x86_64/RPMS/rsyslog-gnutls-4.6.2-3el6_1.4.x86_64.rpm
./x86_64/RPMS/corosynclib-1.2.3-36el6_1.3.x86_64.rpm
./x86_64/RPMS/rsyslog-relp-4.6.2-3el6_1.4.x86_64.rpm
./x86_64/RPMS/rsyslog-gssapi-4.6.2-3el6_1.4.x86_64.rpm
./x86_64/RPMS/rsyslog-mysql-4.6.2-3el6_1.4.x86_64.rpm
./x86_64/RPMS/xorg-x11-server-Xvfb-1.7.7-29el6_1.2.x86_64.rpm
./x86_64/RPMS/rsyslog-pgsql-4.6.2-3el6_1.4.x86_64.rpm
./i386/RPMS/rsyslog-gssapi-4.6.2-3el6_1.4.i686.rpm
./i386/RPMS/rsyslog-relp-4.6.2-3el6_1.4.i686.rpm
./i386/RPMS/xorg-x11-server-Xorg-1.7.7-29el6_1.2.i686.rpm
./i386/RPMS/corosynclib-devel-1.2.3-36el6_1.3.i686.rpm
./i386/RPMS/xorg-x11-server-source-1.7.7-29el6_1.2.noarch.rpm
./i386/RPMS/rsyslog-mysql-4.6.2-3el6_1.4.i686.rpm
./i386/RPMS/xorg-x11-server-devel-1.7.7-29el6_1.2.i686.rpm
./i386/RPMS/rsyslog-4.6.2-3el6_1.4.i686.rpm
./i386/RPMS/corosynclib-1.2.3-36el6_1.3.i686.rpm
./i386/RPMS/rsyslog-gnutls-4.6.2-3el6_1.4.i686.rpm
./i386/RPMS/xorg-x11-server-Xdmx-1.7.7-29el6_1.2.i686.rpm
./i386/RPMS/corosync-1.2.3-36el6_1.3.i686.rpm
./i386/RPMS/xorg-x11-server-Xephyr-1.7.7-29el6_1.2.i686.rpm
./i386/RPMS/xorg-x11-server-Xvfb-1.7.7-29el6_1.2.i686.rpm
./i386/RPMS/rsyslog-pgsql-4.6.2-3el6_1.4.i686.rpm
./i386/RPMS/xorg-x11-server-common-1.7.7-29el6_1.2.i686.rpm
./i386/RPMS/xorg-x11-server-Xnest-1.7.7-29el6_1.2.i686.rpm

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Re: [CentOS] Duplicated packages in CR repo?

2011-10-28 Thread Tom Brown
> fixed. Apologies for this getting through. I've done the rm's manually,
> but we need a test to make sure this does not happen again.

do you have a list of the bad packages so that i can remove them from
our spacewalk before they cause us an issue?

thanks
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Re: [CentOS] read failed after messages of non existing harddisks

2011-10-28 Thread Philippe Naudin
Le ven 28 oct 2011 14:08:50 CEST, Götz Reinicke a écrit:

> Hi,
> 
> some time ago I removed some physical disks from a server and now I'm
> still getting dmesg messages like:
> 
> sd 0:2:2:0: SCSI error: return code = 0x00040001
> end_request: I/O error, dev sdc, sector 0
> 
> And all lvm tools still grumbel about that disks too:
> 
> /dev/sdb: read failed after 0 of 4096 at 0: Eingabe-/Ausgabefehler
>   /dev/sdb: read failed after 0 of 4096 at 1746969493504:
> Eingabe-/Ausgabefehler
> 
> 
> How may I tell the lvm and the system, that it is ok that this disk do
> not exist any more?

If a software RAID has been removed, don't forget :
  mdadm --misc --zero-superblock /dev/sdX 
where sdX is every disk that was part of the RAID.


-- 
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UMR MISTEA : Mathématiques, Informatique et STatistique pour 
l'Environnement et l'Agronomie
INRA, bâtiment 29   -   2 place Viala   -   34060 Montpellier cedex 2
tél: 04.99.61.26.34, fax: 04.99.61.29.03, mél: nau...@supagro.inra.fr
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Re: [CentOS] Duplicated packages in CR repo?

2011-10-28 Thread Karanbir Singh
On 10/28/2011 08:38 AM, Patrick Hurrelmann wrote:
> Corosync also exists with a correct name in the repo, but
> xorg-x11-server does not.
> 
> Maybe someone can have a look on this or am I overreacting?

fixed. Apologies for this getting through. I've done the rm's manually,
but we need a test to make sure this does not happen again.

- KB
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[CentOS] read failed after messages of non existing harddisks

2011-10-28 Thread Götz Reinicke
Hi,

some time ago I removed some physical disks from a server and now I'm
still getting dmesg messages like:

sd 0:2:2:0: SCSI error: return code = 0x00040001
end_request: I/O error, dev sdc, sector 0

And all lvm tools still grumbel about that disks too:

/dev/sdb: read failed after 0 of 4096 at 0: Eingabe-/Ausgabefehler
  /dev/sdb: read failed after 0 of 4096 at 1746969493504:
Eingabe-/Ausgabefehler


How may I tell the lvm and the system, that it is ok that this disk do
not exist any more?

Thnaks for hints and suggestion . Götz
-- 
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Re: [CentOS] You suggestion for 'big' filesystem management Best Practice?

2011-10-28 Thread Bent Terp
2011/10/28 Götz Reinicke 

> The iSCSI RAID we have is about 26TB netto and I'm again faced with the
> question: How many partitions, which filesystem, which mount options etc.
>

My vote goes to XFS, if only one server needs acces to the LUN's; and GPFS
(not GFS) if you need a cluster filesystem.

BR Bent (130 TB in one XFS installation, and 600 TB in one gpfs cluster)


> For the User it would be the most simpel thing, to have one big
> filesystem she/he could fill with all the data and dont has to search
> e.g. on multiple volumes.
>
> On the other hand, if one big filesystem crashes or has do be checked it
> will destroy a lot of data or the check will take hours ...
>
>
> Any suggestions pro or cons are welcome! :-)
>
> My favourite for now is 3 to 4 filesystems with the default ext4
> settings. (Redhat EL 5.7, may be soon 6.1)
>
> Thanks and best regards. Götz
> --
> Götz Reinicke
> IT-Koordinator
>
> Tel. +49 7141 969 420
> Fax  +49 7141 969 55 420
> E-Mail goetz.reini...@filmakademie.de
>
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> Akademiehof 10
> 71638 Ludwigsburg
> www.filmakademie.de
>
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>
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>
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> Prof. Thomas Schadt
>
>
>
>
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Re: [CentOS] You suggestion for 'big' filesystem management Best Practice?

2011-10-28 Thread John Doe
From: Götz Reinicke 

> The iSCSI RAID we have is about 26TB netto and I'm again faced with the
> question: How many partitions, which filesystem, which mount options etc.
> For the User it would be the most simpel thing, to have one big
> filesystem she/he could fill with all the data and dont has to search
> e.g. on multiple volumes.
> On the other hand, if one big filesystem crashes or has do be checked it
> will destroy a lot of data or the check will take hours ...

Splitting the space, if you have the option, has advantages...
You already mentioned fsck.
You could assign different partitions to different groups of people.
You could, depending on your RAID level, create several arrays on 
different drives to limit disk contention (but you will lose either some 
space and/or some speed)...

JD
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Re: [CentOS] You suggestion for 'big' filesystem management Best Practice? Max Ext4 sizes

2011-10-28 Thread Rajagopal Swaminathan
Greetings,

2011/10/28 Götz Reinicke :
>
> Thx. Yes I'l usually go with 64 bit only.
>
> BTW 3. So far I found the information, that the 1EB ist the theory, but
> the usertools for managing the ext4 are limited to 16TB for safety
> reasons...
>

Another important consideration would be, if and when the organisation
needs support and are ready to pay for it, say, only for production
systems, Redhat has always been there.

-- 
Regards,

Rajagopal
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Re: [CentOS] You suggestion for 'big' filesystem management Best Practice? Max Ext4 sizes

2011-10-28 Thread Götz Reinicke
Am 28.10.11 11:58, schrieb Rajagopal Swaminathan:
> Greetings,
> 
> 2011/10/28 Götz Reinicke :
>>
>> BTW 2 . I thought, the max. filesystemsize is 1EB and not 16TB.
>>
>> The max FILEsize should be 16TB ...
>>
> 
> Apologies for missing to give you the link
> 
> http://www.redhat.com/rhel/compare/
> 
> Check under "Filesystems and Storage Limits" section.
> 
> An one more thing: forget 32 bit here. Use 64 bit only.

Thx. Yes I'l usually go with 64 bit only.

BTW 3. So far I found the information, that the 1EB ist the theory, but
the usertools for managing the ext4 are limited to 16TB for safety
reasons...

regards . Götz

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Vorsitzender des Aufsichtsrats:
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Re: [CentOS] You suggestion for 'big' filesystem management Best Practice? Max Ext4 sizes

2011-10-28 Thread Rajagopal Swaminathan
Greetings,

2011/10/28 Götz Reinicke :
>
> BTW 2 . I thought, the max. filesystemsize is 1EB and not 16TB.
>
> The max FILEsize should be 16TB ...
>

Apologies for missing to give you the link

http://www.redhat.com/rhel/compare/

Check under "Filesystems and Storage Limits" section.

An one more thing: forget 32 bit here. Use 64 bit only.

HTH

-- 
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Rajagopal
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Re: [CentOS] You suggestion for 'big' filesystem management Best Practice? Max Ext4 sizes

2011-10-28 Thread Götz Reinicke
Am 28.10.11 11:11, schrieb Rajagopal Swaminathan:
> Greetings,
> 
> 2011/10/28 Götz Reinicke :
>> Hi,
>>
>>
>> The iSCSI RAID we have is about 26TB netto and I'm again faced with the
>> question: How many partitions, which filesystem, which mount options etc.
>>
>> My favourite for now is 3 to 4 filesystems with the default ext4
>> settings. (Redhat EL 5.7, may be soon 6.1)
>>
> 
> 
> You should seriously consider XFS (supported natively in RHEL and
> hence Centos 6) for any single filesystem >16TB. (EXT4 supports only
> upto 16TB)

BTW 2 . I thought, the max. filesystemsize is 1EB and not 16TB.

The max FILEsize should be 16TB ...

http://kernelnewbies.org/Ext4

and

http://en.wikipedia.org/wiki/Ext4

/Götz

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Re: [CentOS] You suggestion for 'big' filesystem management Best Practice?

2011-10-28 Thread Götz Reinicke
Am 28.10.11 11:11, schrieb Rajagopal Swaminathan:
> Greetings,
> 
> 2011/10/28 Götz Reinicke :
>> Hi,
>>
>>
>> The iSCSI RAID we have is about 26TB netto and I'm again faced with the
>> question: How many partitions, which filesystem, which mount options etc.
>>
>> My favourite for now is 3 to 4 filesystems with the default ext4
>> settings. (Redhat EL 5.7, may be soon 6.1)
>>
> 
> 
> You should seriously consider XFS (supported natively in RHEL and
> hence Centos 6) for any single filesystem >16TB. (EXT4 supports only
> upto 16TB)
> 
> If you are going to have an RHCS for HA, then GFS2. But I cant comment
> on its performance for streaming applications etc.
> 

Thanks for your suggestions! I'll have a look at XFS.

BTW: We will not use that storage for streaming! It is 'just' a big
space for files with ftp and smb access.

Regards . Götz

-- 
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Fax  +49 7141 969 55 420
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Filmakademie Baden-Württemberg GmbH
Akademiehof 10
71638 Ludwigsburg
www.filmakademie.de

Eintragung Amtsgericht Stuttgart HRB 205016

Vorsitzender des Aufsichtsrats:
Jürgen Walter MdL
Staatssekretär im Ministerium für Wissenschaft,
Forschung und Kunst Baden-Württemberg

Geschäftsführer:
Prof. Thomas Schadt

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Re: [CentOS] You suggestion for 'big' filesystem management Best Practice?

2011-10-28 Thread Rajagopal Swaminathan
Greetings,

2011/10/28 Götz Reinicke :
> Hi,
>
>
> The iSCSI RAID we have is about 26TB netto and I'm again faced with the
> question: How many partitions, which filesystem, which mount options etc.
>
> My favourite for now is 3 to 4 filesystems with the default ext4
> settings. (Redhat EL 5.7, may be soon 6.1)
>


You should seriously consider XFS (supported natively in RHEL and
hence Centos 6) for any single filesystem >16TB. (EXT4 supports only
upto 16TB)

If you are going to have an RHCS for HA, then GFS2. But I cant comment
on its performance for streaming applications etc.

-- 
Regards,

Rajagopal
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[CentOS] You suggestion for 'big' filesystem management Best Practice?

2011-10-28 Thread Götz Reinicke
Hi,

we plan to set up a big file storage for media files like uncompressed
movies from student film projects, dvd images etc.

It should be some sort of archive and will not bee accessed by more than
may be 5 people at the same time.

The iSCSI RAID we have is about 26TB netto and I'm again faced with the
question: How many partitions, which filesystem, which mount options etc.

For the User it would be the most simpel thing, to have one big
filesystem she/he could fill with all the data and dont has to search
e.g. on multiple volumes.

On the other hand, if one big filesystem crashes or has do be checked it
will destroy a lot of data or the check will take hours ...


Any suggestions pro or cons are welcome! :-)

My favourite for now is 3 to 4 filesystems with the default ext4
settings. (Redhat EL 5.7, may be soon 6.1)

Thanks and best regards. Götz
-- 
Götz Reinicke
IT-Koordinator

Tel. +49 7141 969 420
Fax  +49 7141 969 55 420
E-Mail goetz.reini...@filmakademie.de

Filmakademie Baden-Württemberg GmbH
Akademiehof 10
71638 Ludwigsburg
www.filmakademie.de

Eintragung Amtsgericht Stuttgart HRB 205016

Vorsitzender des Aufsichtsrats:
Jürgen Walter MdL
Staatssekretär im Ministerium für Wissenschaft,
Forschung und Kunst Baden-Württemberg

Geschäftsführer:
Prof. Thomas Schadt



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Re: [CentOS] C6: ssh X-forwarding does not work

2011-10-28 Thread John Hodrien
On Fri, 28 Oct 2011, Steve Brooks wrote:

> I have a few "sl6.1" worstations that do not have "xorg-x11-xauth"
> installed and it does *not* seem to appear in the repos. Yet
> X11-Forwarding works fine.

It's in the base repos for SL, so it definitely should be appearing.  Without
a functioning xauth, I've never seen functional X forwarding.

I would be interested to know what ssh -Yv that-host-without-xauth shows.
Without xauth I get:

debug1: Remote: No xauth program; cannot forward with spoofing.

jh
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Re: [CentOS] C6: ssh X-forwarding does not work

2011-10-28 Thread Steve Brooks

On Wed, 26 Oct 2011, John Hodrien wrote:


On Wed, 26 Oct 2011, Lorenzo Martínez Rodríguez wrote:


 Hi,

 I have a working configuration with CentOS 6. Can you try to set next
 lines in /etc/ssh/sshd_config and restart SSH server please?

 #X11Forwarding no
 X11Forwarding yes
 #X11DisplayOffset 10
 X11UseLocalhost yes


 In fact I do not have xorg-x11-auth rpm installed:

 [root@Carmen ~]# rpm -qa|grep -i xorg-x11-auth
 [root@Carmen ~]#

 and it works...


He meant xorg-x11-xauth and I'm 99% certain you *need* that installed on the
target machine for ssh forwarding to work.


I have a few "sl6.1" worstations that do not have "xorg-x11-xauth" 
installed and it does *not* seem to appear in the repos. Yet 
X11-Forwarding works fine.


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[CentOS] Duplicated packages in CR repo?

2011-10-28 Thread Patrick Hurrelmann
Hi all,

during upgrades of my systems via spacewalk and the continuous release
repository, I encountered a problem with the rsyslog packages. It seems
that the last update was build twice. Once with a correct name and once
with a broken one (missing dot in the name before el6).

On CR-repo mirrors:
rsyslog-4.6.2-3.el6_1.4.x86_64.rpm 19-Oct-2011 13:04
rsyslog-4.6.2-3el6_1.4.x86_64.rpm  19-Oct-2011 13:04

rsyslog-gnutls-4.6.2-3.el6_1.4.x86_64.rpm  19-Oct-2011 13:04
rsyslog-gnutls-4.6.2-3el6_1.4.x86_64.rpm   19-Oct-2011 13:04

rsyslog-gssapi-4.6.2-3.el6_1.4.x86_64.rpm  19-Oct-2011 13:04
rsyslog-gssapi-4.6.2-3el6_1.4.x86_64.rpm   19-Oct-2011 13:04

rsyslog-mysql-4.6.2-3.el6_1.4.x86_64.rpm   19-Oct-2011 13:04
rsyslog-mysql-4.6.2-3el6_1.4.x86_64.rpm19-Oct-2011 13:04

rsyslog-pgsql-4.6.2-3.el6_1.4.x86_64.rpm   19-Oct-2011 13:04
rsyslog-pgsql-4.6.2-3el6_1.4.x86_64.rpm19-Oct-2011 13:04

rsyslog-relp-4.6.2-3.el6_1.4.x86_64.rpm19-Oct-2011 13:04
rsyslog-relp-4.6.2-3el6_1.4.x86_64.rpm 19-Oct-2011 13:04

The same is true for several other packages uploaded to CR repo on
19-Oct-2011:

 - corosync
 - xorg-x11-server

Corosync also exists with a correct name in the repo, but
xorg-x11-server does not.

Maybe someone can have a look on this or am I overreacting?

I successfully fixed my broken updates by a manual downgrade followed by
an update with the correctly named package.

Best regards
Patrick
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