[CentOS] 'yum update' rollback or .. ?

[przemolicc]

Hello,

we have several physical servers (CentOS 5.*) with rather critical applications 
where (because of stability)
we don't do regularly 'yum update'. In virtualized environemnts (under Vmware)
we do a snapshot, then 'yum update', reboot and if something is wrong we 
rollback the snapshot.
On physical servers we cannot do that. I have read about rollback option of rpm 
but not sure if
this is reliable solution. What is your best practise regarding "rollbacking" 
'yum update' on
physical servers ?


Regards
Przemyslaw Bak (przemol)


















































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Re: [CentOS] 'yum update' rollback or .. ?

[Theo Band]

On 06/22/2012 09:42 AM, przemol...@poczta.fm wrote:
> Hello,
>
> we have several physical servers (CentOS 5.*) with rather critical 
> applications where (because of stability)
> we don't do regularly 'yum update'. In virtualized environemnts (under Vmware)
> we do a snapshot, then 'yum update', reboot and if something is wrong we 
> rollback the snapshot.
> On physical servers we cannot do that. I have read about rollback option of 
> rpm but not sure if
> this is reliable solution. What is your best practise regarding "rollbacking" 
> 'yum update' on
> physical servers ?
>
One solution would be to use lvm snapshots. Create a snapshot of the
root volume (lvcreate -s VolGroup00/LogVol00 -n rootsnapshot -L 10G), do
an update and see if it works. If not, boot into rescue mode and copy
the content from the snapshot back to the original.
Make sure the snapshot gets the same size as the original volume. This
is important if you want to copy back all the data.

Theo
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Re: [CentOS] 'yum update' rollback or .. ?

[Nikolaos Milas]

On 22/6/2012 2:06 μμ, Theo Band wrote:

> What is your best practise regarding "rollbacking" 'yum update' on
> physical servers ?
>

Assuming that you have problems due to a particular newly-installed 
package, you can downgrade:

rpm -Uvh --oldpackage package-2.4.0-1.el5.x86_64.rpm

or:

yum downgrade package (if it is in the repo)

Since problems are usually introduced by a particular package (and not 
by all), this might be enough in most cases.

Note, however, that dependencies are not resolved automatically with the 
above commands, so they must be handled manually.

Another, more complete solution, of course, would be to have a full 
system backup (regardless whether the system is physical or virtual) and 
in case things go wrong, restore from backup (always a bit risky, I know 
- it makes you feel uneasy). We use mondorescue without problems (see: 
http://www.mondorescue.org/). I have been able to even use the backup to 
restore a KVM guest (using LVM) under VMware (you may see 
http://mondorescue-mailing-list.679749.n3.nabble.com/Mondo-devel-Restore-from-within-a-new-host-without-boot-td2251272.html).

Or - if feasible - you can attempt to virtualize your physical server, 
either using mondorescue or VMware converter (or other commercial tools) 
and be ready to use the virtual machine instead.

I am interested on other solutions too, so your thread is interesting!

Nick
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[CentOS] SATA errors in log

[Steve Brooks]

Hi,

I have a SATA PCIe 6Gbps 4 port controller card made by Startech. The 
kernel (Linux viz1 2.6.32-220.4.1.el6.x86_64) sees it as

  Marvell Technology Group Ltd. 88SE9123

I use it to provide extra SATA ports to a raid system.

The HD's are all "WD2003FYYS" and so run at 3Gbps on the 6Gbps controller.

However I am seeing lots of instances of errors like this

-

Jun 22 03:13:23 viz1 kernel: ata13.00: exception Emask 0x10 SAct 0x4 SErr 
0x40 action 0x6 frozen
Jun 22 03:13:23 viz1 kernel: ata13.00: irq_stat 0x0800, interface 
fatal error
Jun 22 03:13:23 viz1 kernel: ata13: SError: { Handshk }
Jun 22 03:13:23 viz1 kernel: ata13.00: failed command: WRITE FPDMA QUEUED
Jun 22 03:13:23 viz1 kernel: ata13.00: cmd 
61/e8:10:98:05:1b/01:00:66:00:00/40 tag 2 ncq 249856 out
Jun 22 03:13:23 viz1 kernel: ata13.00: status: { DRDY }
Jun 22 03:13:23 viz1 kernel: ata13: hard resetting link
Jun 22 03:13:24 viz1 kernel: ata13: SATA link up 3.0 Gbps (SStatus 123 
SControl 330)
Jun 22 03:13:24 viz1 kernel: ata13.00: configured for UDMA/133
Jun 22 03:13:24 viz1 kernel: ata13: EH complete

---

Vendor ID : 1b4b
Device ID : 9123

I tried to see what drivers were currently being used but the command 
below gave nothing

grep -i 1b4b /lib/modules/*/modules.alias | grep -i 9123

I have changed the card and cables but still get the same errors. I am 
wondering if the el6 kernel is using the correct drivers I checked 
"elrepo" against the "Vendor:Device ID pairing" and it also came up blank.

Any ideas would be much appreciated.

Regards,

Steve

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Re: [CentOS] SATA errors in log

[Steve Brooks]

On Fri, 22 Jun 2012, Reindl Harald wrote:

>
>
> Am 22.06.2012 13:58, schrieb Steve Brooks:
>> I have a SATA PCIe 6Gbps 4 port controller card made by Startech. The
>> kernel (Linux viz1 2.6.32-220.4.1.el6.x86_64) sees it as
>>
>>   Marvell Technology Group Ltd. 88SE9123
>>
>> I use it to provide extra SATA ports to a raid system.
>> The HD's are all "WD2003FYYS" and so run at 3Gbps on the 6Gbps controller.
>> However I am seeing lots of instances of errors like this
>>
>> -
>>
>> Jun 22 03:13:23 viz1 kernel: ata13.00: exception Emask 0x10 SAct 0x4 SErr
>> 0x40 action 0x6 frozen
>> Jun 22 03:13:23 viz1 kernel: ata13.00: irq_stat 0x0800, interface
>> fatal error
>> Jun 22 03:13:23 viz1 kernel: ata13: SError: { Handshk }
>> Jun 22 03:13:23 viz1 kernel: ata13.00: failed command: WRITE FPDMA QUEUED
>> Jun 22 03:13:23 viz1 kernel: ata13.00: cmd
>> 61/e8:10:98:05:1b/01:00:66:00:00/40 tag 2 ncq 249856 out
>> Jun 22 03:13:23 viz1 kernel: ata13.00: status: { DRDY }
>> Jun 22 03:13:23 viz1 kernel: ata13: hard resetting link
>> Jun 22 03:13:24 viz1 kernel: ata13: SATA link up 3.0 Gbps (SStatus 123
>> SControl 330)
>> Jun 22 03:13:24 viz1 kernel: ata13.00: configured for UDMA/133
>> Jun 22 03:13:24 viz1 kernel: ata13: EH complete
>>
>> ---
>>
>> Vendor ID : 1b4b
>> Device ID : 9123
>>
>> I tried to see what drivers were currently being used but the command
>> below gave nothing
>
>
> why do you care for drivers?
>
> this looks like dying hard-drives are always looking in syslog

Hi Reindl,

I should have mentioned I swapped out the hard-drive and same errors on 
new drive. I checked the SMART attributes of the drive and nothing 
untoward, also executed the

smartctl -long 

test wich came back error free.

Steve


-- 
Dr Stephen Brooks

http://www-solar.mcs.st-and.ac.uk/
Solar MHD Theory Group
Tel::  01334 463735
Fax::  01334 463748
E-mail :: ste...@mcs.st-andrews.ac.uk
---
Mathematical Institute
North Haugh
University of St. Andrews
St Andrews, Fife KY16 9SS
SCOTLAND
---

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Re: [CentOS] 'yum update' rollback or .. ?

[Theo Band]

On 06/22/2012 01:58 PM, Nikolaos Milas wrote:
> I am interested on other solutions too, so your thread is interesting!
dump

Assuming some form of ext[n] filesystem is being used. It has the
advantage that is also works with incremental backups. You can dump the
root file system and perhaps also the /boot filesystem.
Instead of the root filesystem, I dump a snaphost that is created each
evening. The snapshot has a frozen filesystem. So databases (mysql)
should just be consistent. If you want to be 100% sure, stop the
database, make a snapshot and start the database again. This is done
within one second, so hardly any impact on the live server.
Disadvantage of this method is that you still need the have a partition
table if you need to fully restore. And LVM and boot sector need to be
recreated. In case of disaster recovery you need this documented
properly (try it out at least once).
Advantage is that you can have daily system backups automatically created.

Theo
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[CentOS] Cannot See Login Screen Anymore !!

[Shiv. Nath]

Hi CentOS community Friends,

It is CentOS 6.2 x86_64 machine, i have upgraded few packages using "yum 
-y update", after the reboot machine does not show login screen, i have 
allowed enough time to show the screen that are about 2 hours. booting 
process does complete, it just hangs when it is about to show the 
screen. i tried to check by doing ssh for warring/error logs. nothing 
serious was there. but when i did the ssh to the server then i saw the 
following error. Prior to the upgrade machine was just okay.. )

MacBook-Pro:~ prabhpal$ ssh -l mike 41.211.25.233
mailer@41.211.25.233's password:
-bash: /dev/null: Permission denied
-bash: /dev/null: Permission denied
-bash: /dev/null: Permission denied
-bash: /dev/null: Permission denied
-bash: /dev/null: Permission denied
-bash: /dev/null: Permission denied

Thanks / Nath

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Re: [CentOS] reinventing the wheel? page checker

[m . roth]

Bob Hoffman wrote:
> On 6/21/2012 12:44 PM, Keith Roberts wrote:
>> On Thu, 21 Jun 2012, Bob Hoffman wrote:
>>> From: Bob Hoffman
>>>
>>> Not sure if there is an app like this yet.
>>> I want to keep tabs on my web applications and thought of using a 'page
>>> checker'/
>> *snip*
>>
>>> Anything out there like that?
>> http://www.changedetection.com/

As I said originally, you might want to check out rkhunter. It'll check
your system for rootkits, and once configured - which isn't a big deal,
just a configuration file - will complain when run if something's changed.
You can tell it to look at your web pages.

Another thing to consider (and I really, really don't enjoy suggesting
it), is selinux. Turn it on to at least permissive, and it'll bitch and
moan if something's changed. Turn it to enforcing, and *nothing* will be
allowed to be changed. It is, however, a royal pain to configure, esp.
when you want to be able to allow a directory for users to put pics.

   mark


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Re: [CentOS] SATA errors in log

[m . roth]

Steve Brooks wrote:
>
> I have a SATA PCIe 6Gbps 4 port controller card made by Startech. The
> kernel (Linux viz1 2.6.32-220.4.1.el6.x86_64) sees it as
>
>   Marvell Technology Group Ltd. 88SE9123
>
> I use it to provide extra SATA ports to a raid system.
> The HD's are all "WD2003FYYS" and so run at 3Gbps on the 6Gbps controller.
> However I am seeing lots of instances of errors like this
>
> -
>
> Jun 22 03:13:23 viz1 kernel: ata13.00: exception Emask 0x10 SAct 0x4 SErr
> 0x40 action 0x6 frozen
> Jun 22 03:13:23 viz1 kernel: ata13.00: irq_stat 0x0800, interface
> fatal error
> Jun 22 03:13:23 viz1 kernel: ata13: SError: { Handshk }
> Jun 22 03:13:23 viz1 kernel: ata13.00: failed command: WRITE FPDMA QUEUED
> Jun 22 03:13:23 viz1 kernel: ata13.00: cmd
> 61/e8:10:98:05:1b/01:00:66:00:00/40 tag 2 ncq 249856 out
> Jun 22 03:13:23 viz1 kernel: ata13.00: status: { DRDY }
> Jun 22 03:13:23 viz1 kernel: ata13: hard resetting link

Crap. First question: what make & model are the drives on it? If they're
Caviar Green, you're hosed. WD, and *maybe* Seagate as well, disabled a
certain function you used to be able to set on the lower cost,
consumer-grade models (in '09, I believe), and so when a server controller
is trying to do i/o, and has a problem, in server-grade drives, it gives
up after something like 6 sec, and does error handling, I *think* to other
sectors. The consumer ones, on the other hand, keep trying for 1? 2?
*minutes*; the disabled function allowed a used to tell it to give up in a
shorter time. Meanwhile, a hardware controller will, as I said, have fits.

mark "you'd think I just spent months dealing with this"

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Re: [CentOS] SATA errors in log

[Steve Brooks]

On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:

> Steve Brooks wrote:
>>
>> I have a SATA PCIe 6Gbps 4 port controller card made by Startech. The
>> kernel (Linux viz1 2.6.32-220.4.1.el6.x86_64) sees it as
>>
>>   Marvell Technology Group Ltd. 88SE9123
>>
>> I use it to provide extra SATA ports to a raid system.
>> The HD's are all "WD2003FYYS" and so run at 3Gbps on the 6Gbps controller.
>> However I am seeing lots of instances of errors like this
>>
>> -
>>
>> Jun 22 03:13:23 viz1 kernel: ata13.00: exception Emask 0x10 SAct 0x4 SErr
>> 0x40 action 0x6 frozen
>> Jun 22 03:13:23 viz1 kernel: ata13.00: irq_stat 0x0800, interface
>> fatal error
>> Jun 22 03:13:23 viz1 kernel: ata13: SError: { Handshk }
>> Jun 22 03:13:23 viz1 kernel: ata13.00: failed command: WRITE FPDMA QUEUED
>> Jun 22 03:13:23 viz1 kernel: ata13.00: cmd
>> 61/e8:10:98:05:1b/01:00:66:00:00/40 tag 2 ncq 249856 out
>> Jun 22 03:13:23 viz1 kernel: ata13.00: status: { DRDY }
>> Jun 22 03:13:23 viz1 kernel: ata13: hard resetting link
> 
> Crap. First question: what make & model are the drives on it? If they're
> Caviar Green, you're hosed. WD, and *maybe* Seagate as well, disabled a
> certain function you used to be able to set on the lower cost,
> consumer-grade models (in '09, I believe), and so when a server controller
> is trying to do i/o, and has a problem, in server-grade drives, it gives
> up after something like 6 sec, and does error handling, I *think* to other
> sectors. The consumer ones, on the other hand, keep trying for 1? 2?
> *minutes*; the disabled function allowed a used to tell it to give up in a
> shorter time. Meanwhile, a hardware controller will, as I said, have fits.
>
>mark "you'd think I just spent months dealing with this"
>

As mentioned in the original post the drives are all "WD2003FYYS". I am 
convinced it has nothing to do with TLER enabled on the WD drives as we 
run hundreds of them using linux mdadm raid on motherboard SATA 
controllers with no problems in the last eight or so years. This appears 
to be specific to the SATA PCIe 6Gbps 4 port controller card made by 
Startech. There are four other HD's (WD2003FYYS) in the machine running on 
an onboard "Intel Corporation Patsburg 6-Port SATA AHCI Controller" with 
no problems.

Steve

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Re: [CentOS] SATA errors in log

[m . roth]

Steve Brooks wrote:
> On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
>> Steve Brooks wrote:
>>>
>>> I have a SATA PCIe 6Gbps 4 port controller card made by Startech. The
>>> kernel (Linux viz1 2.6.32-220.4.1.el6.x86_64) sees it as
>>>
>>>   Marvell Technology Group Ltd. 88SE9123
>>>
>>> I use it to provide extra SATA ports to a raid system.
>>> The HD's are all "WD2003FYYS" and so run at 3Gbps on the 6Gbps
>>> controller. However I am seeing lots of instances of errors like this
>>>
>>> Jun 22 03:13:23 viz1 kernel: ata13.00: exception Emask 0x10 SAct 0x4
>>> SErr
>>> 0x40 action 0x6 frozen
>>> Jun 22 03:13:23 viz1 kernel: ata13.00: irq_stat 0x0800, interface
>>> fatal error
>>> Jun 22 03:13:23 viz1 kernel: ata13: SError: { Handshk }
>>> Jun 22 03:13:23 viz1 kernel: ata13.00: failed command: WRITE FPDMA
>>> QUEUED
>>> Jun 22 03:13:23 viz1 kernel: ata13.00: cmd
>>> 61/e8:10:98:05:1b/01:00:66:00:00/40 tag 2 ncq 249856 out
>>> Jun 22 03:13:23 viz1 kernel: ata13.00: status: { DRDY }
>>> Jun 22 03:13:23 viz1 kernel: ata13: hard resetting link
>> 
>> Crap. First question: what make & model are the drives on it? If they're
>> Caviar Green, you're hosed. WD, and *maybe* Seagate as well, disabled a
>> certain function you used to be able to set on the lower cost,
>> consumer-grade models (in '09, I believe), and so when a server
>> controller is trying to do i/o, and has a problem, in server-grade drives,
>>  it gives up after something like 6 sec, and does error handling, I *
>> think* to other sectors. The consumer ones, on the other hand, keep trying
>> for 1? 2? *minutes*; the disabled function allowed a used to tell it to
>> give up in a shorter time. Meanwhile, a hardware controller will, as I
said,
>> have fits.
>>
>>mark "you'd think I just spent months dealing with this"
>>
>
> As mentioned in the original post the drives are all "WD2003FYYS". I am

Missed the original post; sorry.

> convinced it has nothing to do with TLER enabled on the WD drives as we

Thanks, that was the acronym I was trying to remember.

> run hundreds of them using linux mdadm raid on motherboard SATA
> controllers with no problems in the last eight or so years. This appears
> to be specific to the SATA PCIe 6Gbps 4 port controller card made by
> Startech. There are four other HD's (WD2003FYYS) in the machine running on
> an onboard "Intel Corporation Patsburg 6-Port SATA AHCI Controller" with
> no problems.

I also see those are "enterprise" drives, not consumer grade, which
implies that they ought to work. It still looks to me as though it's
timing out, which I'd think is a function of the RAID card. You might see
if it has any firmware configuration options.

   mark

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Re: [CentOS] SATA errors in log

[Steve Brooks]

On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:

> Steve Brooks wrote:
>> On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
>>> Steve Brooks wrote:

 I have a SATA PCIe 6Gbps 4 port controller card made by Startech. The
 kernel (Linux viz1 2.6.32-220.4.1.el6.x86_64) sees it as

   Marvell Technology Group Ltd. 88SE9123

 I use it to provide extra SATA ports to a raid system.
 The HD's are all "WD2003FYYS" and so run at 3Gbps on the 6Gbps
 controller. However I am seeing lots of instances of errors like this

 Jun 22 03:13:23 viz1 kernel: ata13.00: exception Emask 0x10 SAct 0x4
 SErr
 0x40 action 0x6 frozen
 Jun 22 03:13:23 viz1 kernel: ata13.00: irq_stat 0x0800, interface
 fatal error
 Jun 22 03:13:23 viz1 kernel: ata13: SError: { Handshk }
 Jun 22 03:13:23 viz1 kernel: ata13.00: failed command: WRITE FPDMA
 QUEUED
 Jun 22 03:13:23 viz1 kernel: ata13.00: cmd
 61/e8:10:98:05:1b/01:00:66:00:00/40 tag 2 ncq 249856 out
 Jun 22 03:13:23 viz1 kernel: ata13.00: status: { DRDY }
 Jun 22 03:13:23 viz1 kernel: ata13: hard resetting link
>>> 
>>> Crap. First question: what make & model are the drives on it? If they're
>>> Caviar Green, you're hosed. WD, and *maybe* Seagate as well, disabled a
>>> certain function you used to be able to set on the lower cost,
>>> consumer-grade models (in '09, I believe), and so when a server
>>> controller is trying to do i/o, and has a problem, in server-grade drives,
>>>  it gives up after something like 6 sec, and does error handling, I *
>>> think* to other sectors. The consumer ones, on the other hand, keep trying
>>> for 1? 2? *minutes*; the disabled function allowed a used to tell it to
>>> give up in a shorter time. Meanwhile, a hardware controller will, as I
> said,
>>> have fits.
>>>
>>>mark "you'd think I just spent months dealing with this"
>>>
>>
>> As mentioned in the original post the drives are all "WD2003FYYS". I am
>
> Missed the original post; sorry.
>
>> convinced it has nothing to do with TLER enabled on the WD drives as we
>
> Thanks, that was the acronym I was trying to remember.
>
>> run hundreds of them using linux mdadm raid on motherboard SATA
>> controllers with no problems in the last eight or so years. This appears
>> to be specific to the SATA PCIe 6Gbps 4 port controller card made by
>> Startech. There are four other HD's (WD2003FYYS) in the machine running on
>> an onboard "Intel Corporation Patsburg 6-Port SATA AHCI Controller" with
>> no problems.
>
> I also see those are "enterprise" drives, not consumer grade, which
> implies that they ought to work. It still looks to me as though it's
> timing out, which I'd think is a function of the RAID card. You might see
> if it has any firmware configuration options.


Thanks for the reply, the card is purely JBOD no RAID or other 
configuration available. It simply posts the SATA devices attached to the 
OS. I am wondering if it could be a strange symptom of running SATA3 
drives on this particular SATA6 controller but that is just a stab in the 
dark.
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[CentOS] converting .doc to html

[m . roth]

Anyone got a preferred program or package for this? I'd like a *good* one,
and Word or OO.o's save as html in no way qualifies as other than amateur
crap.

So far, with a little googling, I've found the wv package. wvHtml works,
but I don't like the output - it insists on , and on &rhquo instead
of plain, simple ".

mark "what, ask for an opinion in this shy, diffident group?"

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Re: [CentOS] SATA errors in log

[m . roth]

Steve Brooks wrote:
> On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
>
>> Steve Brooks wrote:
>>> On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
 Steve Brooks wrote:
>
> I have a SATA PCIe 6Gbps 4 port controller card made by Startech. The
> kernel (Linux viz1 2.6.32-220.4.1.el6.x86_64) sees it as
>
>   Marvell Technology Group Ltd. 88SE9123
>
Is this your card?



   mark

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Re: [CentOS] SATA errors in log

[Steve Brooks]

On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:

> Steve Brooks wrote:
>> On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
>>
>>> Steve Brooks wrote:
 On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
> Steve Brooks wrote:
>>
>> I have a SATA PCIe 6Gbps 4 port controller card made by Startech. The
>> kernel (Linux viz1 2.6.32-220.4.1.el6.x86_64) sees it as
>>
>>   Marvell Technology Group Ltd. 88SE9123
>>
> Is this your card?


Hi Mark,

Yes that is the very card, the page says the chipset is Marvell 88SE9128 
but "lspci" shows

Marvell Technology Group Ltd. 88SE9123 PCIe SATA 6.0 Gb/s controller

Steve

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Re: [CentOS] SATA errors in log

[Steve Brooks]

On Fri, 22 Jun 2012, Steve Brooks wrote:

> On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
>
>> Steve Brooks wrote:
>>> On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
>>>
 Steve Brooks wrote:
> On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
>> Steve Brooks wrote:
>>>
>>> I have a SATA PCIe 6Gbps 4 port controller card made by Startech. The
>>> kernel (Linux viz1 2.6.32-220.4.1.el6.x86_64) sees it as
>>>
>>>   Marvell Technology Group Ltd. 88SE9123
>>>
>> Is this your card?
>
>
> Hi Mark,
>
> Yes that is the very card, the page says the chipset is Marvell 88SE9128
> but "lspci" shows
>
> Marvell Technology Group Ltd. 88SE9123 PCIe SATA 6.0 Gb/s controller

It is odd because the kernel reports it as "88SE9123" the web page says it 
is "88SE9128" as does the manual supplied with the card. Now the 
motherboard already has an onboard  Marvell "88SE9128" controller which is 
correctly identified by the kernel and works properly so I know the 
correct divers are in the kernel but the Startech card does not seem to be 
using them.

[root@viz1 ~]# lspci | grep SATA
00:1f.2 SATA controller: Intel Corporation Patsburg 6-Port SATA AHCI Controller 
(rev 05)
04:00.0 SATA controller: Marvell Technology Group Ltd. 88SE9123 PCIe SATA 6.0 
Gb/s controller (rev 11)
05:00.0 SATA controller: Marvell Technology Group Ltd. 88SE9123 PCIe SATA 6.0 
Gb/s controller (rev 11)
0f:00.0 SATA controller: ASMedia Technology Inc. ASM1062 Serial ATA Controller 
(rev 01)
10:00.0 SATA controller: Marvell Technology Group Ltd. 88SE9128 PCIe SATA 
6 Gb/s RAID controller with HyperDuo (rev 11)

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Re: [CentOS] converting .doc to html

[Keith Roberts]

On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:

> To: CentOS mailing list 
> From: m.r...@5-cent.us
> Subject: [CentOS] converting .doc to html
> 
> Anyone got a preferred program or package for this? I'd like a *good* one,
> and Word or OO.o's save as html in no way qualifies as other than amateur
> crap.
>
> So far, with a little googling, I've found the wv package. wvHtml works,
> but I don't like the output - it insists on , and on &rhquo instead
> of plain, simple ".

I think Abiword can read and write those formats.

[root@karsites ~]# rpm -qv abiword
abiword-2.6.6-1.el5.rf

HTH

Keith

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Re: [CentOS] converting .doc to html

[m . roth]

Keith Roberts wrote:
> On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
>> From: m.r...@5-cent.us
>>
>> Anyone got a preferred program or package for this? I'd like a *good*
>> one, and Word or OO.o's save as html in no way qualifies as other than
>> amateur crap.
>>
>> So far, with a little googling, I've found the wv package. wvHtml works,
>> but I don't like the output - it insists on , and on &rhquo instead
>> of plain, simple ".
>
> I think Abiword can read and write those formats.

Given that both Word and OO.o produce such lousy, uselessly cluttered
html, I'm a tad loathe to install another wp... and I really just wanted a
command line conversion tool.

As a side note, I tried quanta about 6 years ago, and that did lousy
things to my html, too (going from edit to display and back, I think it
was, unformatted the *whole* document, left justifying all, even when I
*told* it to leave formatting...), so I'm not wildly crazed with web
editing programs.

As my own personal web page reads, "this page proudly built in vi"

mark

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Re: [CentOS] SATA errors in log

[m . roth]

Hi, Steve,

Steve Brooks wrote:
> On Fri, 22 Jun 2012, Steve Brooks wrote:
>> On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
>>> Steve Brooks wrote:
 On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
> Steve Brooks wrote:
>> On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
>>> Steve Brooks wrote:

 I have a SATA PCIe 6Gbps 4 port controller card made by Startech.
 The kernel (Linux viz1 2.6.32-220.4.1.el6.x86_64) sees it as

   Marvell Technology Group Ltd. 88SE9123

>>> Is this your card?
>>
>> Yes that is the very card, the page says the chipset is Marvell 88SE9128
>> but "lspci" shows
>>
>> Marvell Technology Group Ltd. 88SE9123 PCIe SATA 6.0 Gb/s controller
>
> It is odd because the kernel reports it as "88SE9123" the web page says it
> is "88SE9128" as does the manual supplied with the card. Now the

Yeah, I noticed that too, and thought it odd.

I looked at the "manual", and the only thing that came to mind was to try
going into the BIOS and making sure that it was set to AHCI rather than,
say, IDE, or whatever.

   mark

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Re: [CentOS] reinventing the wheel? page checker

[Markus Falb]

On 22.6.2012 03:34, Kahlil Hodgson wrote:

>>> On Thu, 21 Jun 2012, Bob Hoffman wrote:
 Subject: [CentOS] reinventing the wheel? page checker

 Not sure if there is an app like this yet.
 I want to keep tabs on my web applications and thought of using a 'page
 checker'/

> If its a security thing, you probably want an host based IDS.

I know this under the term file based IDS btw., in contrast to some
stuff that scans the network traffic.

> Samhain (http://la-samhna.de/samhain/)

tripwire and aide were two other examples and even with bacula you can
do this stuff.

All these tools scan the filesystem and store things like checksum,
ownership, size etc. in a database. One important feature in my opinion
is that the database is not stored on the client itself. You don't want
an intruder to get on that data, similar to why one wants a central
logserver.

To no avail do reinvent the wheel, there are plenty of tools for that.
-- 
Kind Regards, Markus Falb



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[CentOS] CentOS-announce Digest, Vol 88, Issue 13

[centos-announce-request]

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To subscribe or unsubscribe via the World Wide Web, visit
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Today's Topics:

   1. CEBA-2012:1029 CentOS 5 file FASTTRACK Update (Johnny Hughes)


--

Message: 1
Date: Fri, 22 Jun 2012 11:08:41 +
From: Johnny Hughes 
Subject: [CentOS-announce] CEBA-2012:1029 CentOS 5 file FASTTRACK
Update
To: centos-annou...@centos.org
Message-ID: <20120622110841.ga27...@chakra.karan.org>
Content-Type: text/plain; charset=us-ascii


CentOS Errata and Bugfix Advisory 2012:1029

Upstream details at : http://rhn.redhat.com/errata/RHBA-2012-1029.html

The following updated files have been uploaded and are currently 
syncing to the mirrors: ( sha256sum Filename ) 

i386:
8a98e586acca5ff300dac78f6f2cd2548001ff3f2f946e7c26613864f950102a  
file-4.17-28.i386.rpm

x86_64:
50b33ade3d9a0209e2a7225ed959fd8ce9d6173ab279bca9a6738797d1acd26f  
file-4.17-28.x86_64.rpm

Source:
690888b77be34b978a454a3c03705b4bbd7c2ac5bdf4cef13221f6c1c3837074  
file-4.17-28.src.rpm



-- 
Johnny Hughes
CentOS Project { http://www.centos.org/ }
irc: hughesjr, #cen...@irc.freenode.net



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Re: [CentOS] converting .doc to html

[Les Mikesell]

On Fri, Jun 22, 2012 at 9:40 AM,   wrote:
> Anyone got a preferred program or package for this? I'd like a *good* one,
> and Word or OO.o's save as html in no way qualifies as other than amateur
> crap.
>
> So far, with a little googling, I've found the wv package. wvHtml works,
> but I don't like the output - it insists on , and on &rhquo instead
> of plain, simple ".
>

Mail it to yourself on a gmail account, then 'view' the attachment
instead of downloading the original.  It is still going to have
's though.

-- 
  Les Mikesell
lesmikes...@gmail.com
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Re: [CentOS] SATA errors in log

[Steve Brooks]

On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:

> Hi, Steve,
>
> Steve Brooks wrote:
>> On Fri, 22 Jun 2012, Steve Brooks wrote:
>>> On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
 Steve Brooks wrote:
> On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
>> Steve Brooks wrote:
>>> On Fri, 22 Jun 2012, m.r...@5-cent.us wrote:
 Steve Brooks wrote:
>
> I have a SATA PCIe 6Gbps 4 port controller card made by Startech.
> The kernel (Linux viz1 2.6.32-220.4.1.el6.x86_64) sees it as
>
>   Marvell Technology Group Ltd. 88SE9123
>
 Is this your card?
>>>
>>> Yes that is the very card, the page says the chipset is Marvell 88SE9128
>>> but "lspci" shows
>>>
>>> Marvell Technology Group Ltd. 88SE9123 PCIe SATA 6.0 Gb/s controller
>>
>> It is odd because the kernel reports it as "88SE9123" the web page says it
>> is "88SE9128" as does the manual supplied with the card. Now the
>
> Yeah, I noticed that too, and thought it odd.
> 
> I looked at the "manual", and the only thing that came to mind was to try
> going into the BIOS and making sure that it was set to AHCI rather than,
> say, IDE, or whatever.


Thanks Mark for the reply , I hadn't thought about the card posting drives 
in the bios, I assumed only the onboard SATA devices would allow you 
change the mode in the motherboard's BIOS. I will have a look on Monday to 
see if anything has appeared in the BIOS. I guess the default mode in a 
SATA6 card would be AHCI but yes worth a check.

Cheers,

Steve

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Re: [CentOS] reinventing the wheel? page checker

[Bob Hoffman]

On 6/22/2012 9:50 AM, m.r...@5-cent.us wrote:
> Bob Hoffman wrote:
>> On 6/21/2012 12:44 PM, Keith Roberts wrote:
>>> On Thu, 21 Jun 2012, Bob Hoffman wrote:
 From: Bob Hoffman

 Not sure if there is an app like this yet.
 I want to keep tabs on my web applications and thought of using a 'page
 checker'/
>>> *snip*
>>>
 Anything out there like that?
>>> http://www.changedetection.com/
> 
> As I said originally, you might want to check out rkhunter. It'll check
> your system for rootkits, and once configured - which isn't a big deal,
> just a configuration file - will complain when run if something's changed.
> You can tell it to look at your web pages.
>
> Another thing to consider (and I really, really don't enjoy suggesting
> it), is selinux. Turn it on to at least permissive, and it'll bitch and
> moan if something's changed. Turn it to enforcing, and *nothing* will be
> allowed to be changed. It is, however, a royal pain to configure, esp.
> when you want to be able to allow a directory for users to put pics.
>
> mark
>
Would love to use SElinux. I searched high and low for any kind of 
manual and there was none.
Most of the information online was for versions that were not on centos 
6, and little info on centos 6.
I am considering going back to it for the virtual hosts, dns servers, 
but for production web servers
I think it will take a long time.
I know that fail2ban will not work properly with it in any case, as per 
their own website.

It seems that to run the webservers selinux wants me to allow a ton of 
privledges to apache, the ftp user, and a bunch of
other things...seems like that defeats the purpose. And a script 
injection will have all those privledges.

I wish I had to time and knowledge to implement it...and add it to my 
handbook, but on a webserver that
is doing mail ins, mail outs, httpd, mysql, php, self made scripts, 
fail2ban, and host of other programs
it seems like it requires an experienced hand at it. Or a book.
Neither of which are available to me.

Who knows, once I figure out the mutli_mysql back up, amanda, then I may 
go for it.

One thing I learned...SElinux in permissive mode only gives a warning 
once for an issue...and never again. Makes it hard
to play with it that way, would prefer a constant error variable to keep 
them coming.

well. We derailed.
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Re: [CentOS] reinventing the wheel? page checker

[Les Mikesell]

On Fri, Jun 22, 2012 at 1:28 PM, Bob Hoffman  wrote:
>>
> It seems that to run the webservers selinux wants me to allow a ton of
> privledges to apache, the ftp user, and a bunch of
> other things...seems like that defeats the purpose. And a script
> injection will have all those privledges.

No, selinux doesn't give 'extra' privileges to anything.  It adds
extra restrictions based on the context of the processes and the
files/directories besides the ones based on uid/gid.

> I wish I had to time and knowledge to implement it...and add it to my
> handbook, but on a webserver that
> is doing mail ins, mail outs, httpd, mysql, php, self made scripts,
> fail2ban, and host of other programs
> it seems like it requires an experienced hand at it. Or a book.

Yes, it has taken years to get just the standard distributed packages
configured correctly - and that's probably with expert advice
available to the packagers...  You can't just drop it in on top of
stuff that has evolved organically for years.

-- 
  Les Mikesell
lesmikes...@gmail.com
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Re: [CentOS] reinventing the wheel? page checker

[Nikolaos Milas]

On 22/6/2012 9:28 μμ, Bob Hoffman wrote:

> it seems like it requires an experienced hand at it. Or a book.

Some googling took me to: 
http://www.freetechbooks.com/the-selinux-notebook-the-foundations-t785.html

It seems interesting and comprehensive from a quick browsing. And it's 
public domain too.

Yet, I agree that SElinux is a pain. There are other measures to keep 
things under control. Unless you know what you are doing with it, 
selinux is going to produce trouble and only trouble.

That's my experience.

(I don't know if I'll ever find the significant time needed to invest in 
knowing selinux well enough to use it in production.)

Nick


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Re: [CentOS] converting .doc to html

[Warren Young]

On 6/22/2012 8:40 AM, m.r...@5-cent.us wrote:
>
> wvHtml works,
> but I don't like the output - it insists on , and on &rhquo instead
> of plain, simple ".

You mean ”?

What's wrong with that?  You wanted HTML, and *any* browser will 
understand that HTML entity, even Lynx.

If you wanted "HTML I can read like an e-book", I'd say you should be 
converting to Markdown instead.  One path from Word to Markdown would be 
unrtf (https://www.gnu.org/software/unrtf/) to HTML, then HTML to 
Markdown via Pandoc (http://johnmacfarlane.net/pandoc/).
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Re: [CentOS] reinventing the wheel? page checker

[m . roth]

Bob Hoffman wrote:
> On 6/22/2012 9:50 AM, m.r...@5-cent.us wrote:
>> Bob Hoffman wrote:
>>> On 6/21/2012 12:44 PM, Keith Roberts wrote:
 On Thu, 21 Jun 2012, Bob Hoffman wrote:
> From: Bob Hoffman
>

>> Another thing to consider (and I really, really don't enjoy suggesting
>> it), is selinux. Turn it on to at least permissive, and it'll bitch and
>> moan if something's changed. Turn it to enforcing, and *nothing* will be
>> allowed to be changed. It is, however, a royal pain to configure, esp.
>> when you want to be able to allow a directory for users to put pics.
>>
> Would love to use SElinux. I searched high and low for any kind of
> manual and there was none.

Look for RHEL's 5 or 6; there's professional documentation.

Not that anything's that wonderful.

There's also the selinux list.

> One thing I learned...SElinux in permissive mode only gives a warning
> once for an issue...and never again. Makes it hard
> to play with it that way, would prefer a constant error variable to keep
> them coming.

Not true. It will issue an AVC every time something tries to happen. Big
things to know:
   a) ll -Z shows you the selinux context
   b) chcon [-R] -[urt]  
   c) getsebool and setsebool

 mark

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Re: [CentOS] converting .doc to html

[m . roth]

Warren Young wrote:
> On 6/22/2012 8:40 AM, m.r...@5-cent.us wrote:
>>
>> wvHtml works,
>> but I don't like the output - it insists on , and on &rhquo instead
>> of plain, simple ".
>
> You mean ”?
>
Yup.

> What's wrong with that?  You wanted HTML, and *any* browser will
> understand that HTML entity, even Lynx.

Hate it. I think it's completely unnecessary. I've done web pages,
including professional and corporate ones, and never needed it. I use
special characters only when there's no other option.
>
> If you wanted "HTML I can read like an e-book", I'd say you should be
> converting to Markdown instead.  One path from Word to Markdown would be
> unrtf (https://www.gnu.org/software/unrtf/) to HTML, then HTML to
> Markdown via Pandoc (http://johnmacfarlane.net/pandoc/).

How 'bout html I can read like wordperfect ?

   mark

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Re: [CentOS] converting .doc to html

[Frank Cox]

On Fri, 22 Jun 2012 16:40:49 -0400
m.r...@5-cent.us wrote:

> Hate it. I think it's completely unnecessary. I've done web pages,
> including professional and corporate ones, and never needed it. I use
> special characters only when there's no other option.

Just use sed to change it to whatever you want it to be.

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www.creekfm.com - FIFTY THOUSAND WATTS of POW WOW POWER!
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Re: [CentOS] basic auth fails

[Alexander Dalloz]

Am 21.06.2012 16:03, schrieb Tim Dunphy:
> Hello,
> 
>  I've setup apache basic auth on by web server to protect my nagios
> site. It's been working just fine, but suddenly it stopped accepting
> passwords even tho they are being typed in correctly. I was wondering
> if I could get some advice on how to troubleshoot this?
> 
>  I'm on a centos 5.4 machine

No, you are not.

> Linux  2.6.21.7-2.fc8xen #1 SMP Fri Feb 15 12:34:28 EST 2008 x86_64
> x86_64 x86_64 GNU/Linux

Not a CentOS kernel and that one is highly vulnerable.

> Server version: Apache/2.2.21 (Unix)
> Server built:   Nov 14 2011 18:03:07

Not a CentOS versions of Apache. A vulnerable Apache release.

> I don't see any indication in the logs as to why this may be
> happening, but it's possible I might not be looking for the right
> things.
> 
> Thanks
> Tim

Alexander

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Re: [CentOS] converting .doc to html

[Warren Young]

On 6/22/2012 2:40 PM, m.r...@5-cent.us wrote:
> Warren Young wrote:
>> On 6/22/2012 8:40 AM, m.r...@5-cent.us wrote:
>>>
>>> wvHtml works,
>>> but I don't like the output - it insists on , and on &rhquo instead
>>> of plain, simple ".
>>
>> You mean ”?
>>
> Yup.
>
>> What's wrong with that?  You wanted HTML, and *any* browser will
>> understand that HTML entity, even Lynx.
>
> Hate it. I think it's completely unnecessary.

Five centuries of typographers would like to have a word with you.

” and " aren't the same thing.  If the document includes curly 
quotes, the only correct alternative available to the HTML converter is 
to put out Unicode character U+201D.

Now, if your converter were converting straight quotation marks to 
", you might have a point.

> I've done web pages,
> including professional and corporate ones, and never needed it.

IMO, web pages with straight quotation marks are unprofessional. :)

Let the ASCII go, Mark.  Just let it go.  Unicode became usable over a 
decade ago, and became solid in most programs years ago.
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Re: [CentOS] converting .doc to html

[Warren Young]

On 6/22/2012 3:56 PM, Warren Young wrote:
> Unicode became usable over a
> decade ago, and became solid in most programs years ago.

You know, thinking about it, I believe I've sold the Unicode on Linux 
stability story short.  It's about a decade since it became solid, so 
"usable" must be considerably farther back; 2000, maybe?  That makes 
sense, since Plan9 switched to UTF-8 in 1999.

I use Perl as my benchmark for Unicode stability.  RHEL 2.1 (March 2002) 
shipped Perl 5.6 (March 2000), which was usable but dodgy in some ways 
w.r.t. Unicode.  RHEL 3 (October 2003) shipped Perl 5.8 (July 2002), 
which fixed almost everything with Unicode handling.  Each Perl since 
then has had Unicode changes, but they've just been small bug fixes and 
updates to track new Unicode specs.  The core mechanisms haven't changed 
since 5.8.
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Re: [CentOS] CentOS 6.2 on partitionable mdadm RAID1 (md_d0) - kernel panic with either disk not present

[Arun Khan]

On Thu, Jun 21, 2012 at 11:40 PM, Scott Silva  wrote:
> on 6/20/2012 11:34 PM Arun Khan spake the following:
>> On Thu, Jun 21, 2012 at 10:09 AM, Rob Kampen
>>
> Just a shot in the dark... DO all the fstab entries call out md devices?
>

Yes, /etc/fstab contains /dev/md_d0p1 for / partition.

I have been doing some digging in the initramfs and the dracut script.

The initramfs does contain all the md related stuff like drivers, the
devices for md_d0 and the /etc/mdamd.conf.   To the best of my
knowledge these should be sufficient to load /dev/md_d0p1 (/).

I have not had a thorough look at the dracut script though.

I will post whatever relevant information if I find something that I
don't quite understand.

-- Arun Khan
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[CentOS] RAID?

[hadi motamedi]

Dear All
I want to install an application on my centos server asking if my
server supports RAID . How can I check if my server supports RAID ?
Thank you
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Re: [CentOS] RAID?

[Digimer]

On 06/23/2012 02:09 AM, hadi motamedi wrote:
> Dear All
> I want to install an application on my centos server asking if my
> server supports RAID . How can I check if my server supports RAID ?
> Thank you

Hardware RAID? Ask the company you bought it from.

Software RAID? If you have two or more disks, yes.

-- 
Digimer
Papers and Projects: https://alteeve.com


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Re: [CentOS] RAID?

[hadi motamedi]

On 6/23/12, Digimer  wrote:
> On 06/23/2012 02:09 AM, hadi motamedi wrote:
>> Dear All
>> I want to install an application on my centos server asking if my
>> server supports RAID . How can I check if my server supports RAID ?
>> Thank you
>
> Hardware RAID? Ask the company you bought it from.
>
> Software RAID? If you have two or more disks, yes.
>
> --
> Digimer
> Papers and Projects: https://alteeve.com
>
>
>
Thank you very much for your reply. Sorry I meant software RAID to
install the service of RAID how to enable and configure the RAID
service.
Thank you in advance
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