[CentOS] Queries usb installer / live usb

2013-09-12 Thread Rajagopal Swaminathan 
Greetings,

I am trying to prepare
1. installer usb using iso with (centos minimal + custom rpm)
2. a Live usb using (centos minimal + custom rpm)

I do not have any information of the configuration of target system
beforehand -- especially the storage devices. Could be two or more and
may a dvd-rw. Unknown

1. How does one specify the path for kickstart file in the
syslinux.cfg which is in the usb given that device ?

2. where should the kickstart file be located - inside isolinux
directory or above it?

3. If we just put ks=ks.cfg where should ks.config be located?

TIA

-- 
Regards,

Rajagopal
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Re: [CentOS] Queries usb installer / live usb

2013-09-12 Thread Rajagopal Swaminathan 
Greetings,

On Thu, Sep 12, 2013 at 2:41 PM, Rajagopal Swaminathan
 wrote:
> Greetings,
>
> I am trying to prepare
> 1. installer usb using iso with (centos minimal + custom rpm)
> 2. a Live usb using (centos minimal + custom rpm)
>
> I do not have any information of the configuration of target system
> beforehand -- especially the storage devices. Could be two or more and
> may a dvd-rw. Unknown
>
> 1. How does one specify the path for kickstart file in the
> syslinux.cfg which is in the usb given that device ?
>
> 2. where should the kickstart file be located - inside isolinux
> directory or above it?
>
> 3. If we just put ks=ks.cfg where should ks.config be located?
>

Another small issue: network (Lan/Internet) may or may not be
available. remote access may or may not be there.


-- 
Regards,

Rajagopal
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[CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread Timothy Murphy 
I recently, perhaps foolishly, changed over a remote server
from sendmail/procmail to postfix/amavis/spamassassin/clamd ,
and I'm finding it difficult to configure this setup.

The CentOS document 
explicitly says that its instructions may not work in CentOS-6.
Does anyone know of reasonably simple postfix documentation
for CentOS-6?

I've been amazed how bad the postfix documentation is.
It actually seems to be worse that sendmail documentation,
which I thought established a record for this sort of thing.
The official documentation at

is ludicrously wordy, with every conceivable option
listed in random order.


-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
School of Mathematics, Trinity College, Dublin 2, Ireland


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Re: [CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread Ned Slider 
On 12/09/13 11:03, Timothy Murphy wrote:
> I recently, perhaps foolishly, changed over a remote server
> from sendmail/procmail to postfix/amavis/spamassassin/clamd ,
> and I'm finding it difficult to configure this setup.
>
> The CentOS document 
> explicitly says that its instructions may not work in CentOS-6.
> Does anyone know of reasonably simple postfix documentation
> for CentOS-6?
>

The above probably should work, just that it wasn't written specifically 
for 6 and hasn't been tested on 6, but the changes in Postfix between 5 
and 6 shouldn't prevent it from working given it describes the bare 
minimum required to get Postfix up on your system. The warning was added 
as a matter of course, as users started reporting inconsistencies 
between guides written for CentOS 5 when CentOS 6 was released. For 
example, I would expect more issues with dovecot configs between 5 and 6 
than I would with Postfix.

Anyway, for Postfix it really doesn't get any simpler than the above. If 
you find inconsistencies please feel free to feed back changes to the 
centos-docs list and the page can be updated for CentOS 6.

Thanks.


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Re: [CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread Timothy Murphy 
Ned Slider wrote:

>> The CentOS document 
>> explicitly says that its instructions may not work in CentOS-6.
>> Does anyone know of reasonably simple postfix documentation
>> for CentOS-6?

> The above probably should work, just that it wasn't written specifically
> for 6 and hasn't been tested on 6, but the changes in Postfix between 5
> and 6 shouldn't prevent it from working given it describes the bare
> minimum required to get Postfix up on your system. 

Ok, thanks for the response.
I'll try following the instructions in that document,
as I have had no luck with the documents on www.postfix.org .

The changeover from sendmail to postfix in CentOS-6
was probably a mistake, in my view, unless required to follow RedHat.
At the very least proper documentation should be a pre-requisite
for a change like this.

-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
School of Mathematics, Trinity College, Dublin 2, Ireland


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Re: [CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread Patrick Lists 
On 09/12/2013 12:03 PM, Timothy Murphy wrote:
> I recently, perhaps foolishly, changed over a remote server
> from sendmail/procmail to postfix/amavis/spamassassin/clamd ,
> and I'm finding it difficult to configure this setup.
>
> The CentOS document 
> explicitly says that its instructions may not work in CentOS-6.
> Does anyone know of reasonably simple postfix documentation
> for CentOS-6?

Read "Postfix: The Definitive Guide" or "The Book of Postfix". Years ago 
I read the first and used it to setup multiple domains with virtual 
accounts. Works perfectly to this day. Also heard good things about the 
2nd book. Both should give you ample knowledge how to setup Postfix.

> I've been amazed how bad the postfix documentation is.
> It actually seems to be worse that sendmail documentation,
> which I thought established a record for this sort of thing.
> The official documentation at
> 
> is ludicrously wordy, with every conceivable option
> listed in random order.

Imho the Postfix documentation is excellent. Admittedly it does not do 
any handholding but once you are familiar with it, it's very helpful to 
have such an elaborate overview of all possible options.

I would suggest to start with a basic Postfix setup without all the 
bells and whistles, get that going and then slowly add things like 
anti-spam rules, amavis etc. Using git for your configs helps reverting 
if something blows up.

Regards,
Patrick
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[CentOS] CentOS-announce Digest, Vol 103, Issue 7

2013-09-12 Thread centos-announce-request 
Send CentOS-announce mailing list submissions to
centos-annou...@centos.org

To subscribe or unsubscribe via the World Wide Web, visit
http://lists.centos.org/mailman/listinfo/centos-announce
or, via email, send a message with subject or body 'help' to
centos-announce-requ...@centos.org

You can reach the person managing the list at
centos-announce-ow...@centos.org

When replying, please edit your Subject line so it is more specific
than "Re: Contents of CentOS-announce digest..."


Today's Topics:

   1. CEBA-2013:X009 Xen4CentOS kernel Update (Johnny Hughes)
   2. CESA-2013:X010 Important Xen4CentOS xen Security  Update
  (Johnny Hughes)
   3. CEBA-2013:1257  CentOS 6 mdadm Update (Karanbir Singh)


--

Message: 1
Date: Wed, 11 Sep 2013 19:43:52 +
From: Johnny Hughes 
Subject: [CentOS-announce] CEBA-2013:X009 Xen4CentOS kernel Update
To: centos-annou...@centos.org
Message-ID: <20130911194352.ga35...@n04.lon1.karan.org>
Content-Type: text/plain; charset=us-ascii

CentOS Errata and Security Advisory 2013:X009 (Xen4CentOS)

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

-
X86_64
-
3c4339bbaad89af1a37fae19d251d64a275133ac5bbe55c2043a5a083c3a18ef 
e1000e-2.4.14-3.4.61.2.el6.centos.alt.x86_64.rpm
a0e1d97efb4ef0e7541ba7defd0eb03a2ef88ccefb00a5b95c2ce8ebaf09d921 
kernel-3.4.61-9.el6.centos.alt.x86_64.rpm
178d3497e1b3999c7bb7d656c5a028d238bc4c28ea1b7dfc7b5f62d9d68ca486 
kernel-devel-3.4.61-9.el6.centos.alt.x86_64.rpm
fb86c44231b15287004278f94f942881a1ac9ef099aaf029e9d666770238aba7 
kernel-doc-3.4.61-9.el6.centos.alt.noarch.rpm
231ab097023e63b207ed1056097187eb1bb5b51a8f878f4e044e318029c16562 
kernel-firmware-3.4.61-9.el6.centos.alt.noarch.rpm
af065e15e9ca4f1868723eb8621eddd2cf4bcc4edeaa3019656fb5d3d2ff646c 
kernel-headers-3.4.61-9.el6.centos.alt.x86_64.rpm
e3191270c09e672a028f269de7d69ca955a0e3573f361e20e7f6c225362e8583 
perf-3.4.61-9.el6.centos.alt.x86_64.rpm

-
Source:
-
26f273c2f34e9d5eb0f4d9ccba1e581c98150a4e55a91adba7684959e7bbc907 
e1000e-2.4.14-3.4.61.2.el6.centos.alt.src.rpm
19e041f2db65ddacc00ff4bb4c4ea92f25390194a598e54057f5a167fe3a8632 
kernel-3.4.61-9.el6.centos.alt.src.rpm


=

Kernel Changelog info from the SPEC file:
* Wed Sep 11 2013 Johnny Hughes  3.4.61-9
- upgrade to upstream 3.4.61
- added patch 133 to build docs/noarch (centos bug 6654)

* Fri Aug 30 2013 Johnny Hughes  3.4.60-9
- upgrade top upstream 3.4.60

e1000e Changelog info from the SPEC file:
* Wed Sep 11 2013 Johnny Hughes  -
* 2.4.14-3.4.61.2.el6.centos.alt
- built against new 3.4.61 kernel

* Fri Aug 30 2013 Johnny Hughes  -
* 2.4.14-3.4.60.2.el6.centos.alt
- built against new 3.4.60 kernel

=

The following kernel.org changelog entries are applicable since the last
kernel update:

https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.60

https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.61

=

The following bugs have been addressed in this release:

http://bugs.centos.org/view.php?id=6654

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



--

Message: 2
Date: Wed, 11 Sep 2013 19:52:27 +
From: Johnny Hughes 
Subject: [CentOS-announce] CESA-2013:X010 Important Xen4CentOS xen
SecurityUpdate
To: centos-annou...@centos.org
Message-ID: <20130911195227.ga35...@n04.lon1.karan.org>
Content-Type: text/plain; charset=us-ascii

CentOS Errata and Security Advisory 2013:X010 (Xen4CentOS)

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

-
X86_64
-
05d3190c22913d97ce3adc12a3f83af3f3d03c62a74a921ce22a27c02d82baf9 
xen-4.2.3-23.el6.centos.alt.x86_64.rpm
ec2489569c37249078cf9793e5380d999c8b7b9fab27e4bd244188f56659f00b 
xen-devel-4.2.3-23.el6.centos.alt.x86_64.rpm
3eebd63bbaf7eb351d9155a8f9e77a61d2663b86b671a59d9bf2be114c95d28f 
xen-doc-4.2.3-23.el6.centos.alt.x86_64.rpm
9b11bb5f1301c180c9baf3c650353d4ca9d4c4c936bfa0247837af435382d34c 
xen-hypervisor-4.2.3-23.el6.centos.alt.x86_64.rpm
a99e4906d30d021fa46483888090971c680d40f2f056ce73679d5d3d9b3c9a1b 
xen-libs-4.2.3-23.el6.centos.alt.x86_64.rpm
83bfab3d49a0491efb56f0d38b284039bd4836372d94ea1e075fbdda961abd9c 
xen-licenses-4.2.3-23.el6.centos.alt.x86_64.rpm
9b0d3f0fe1eb913cd464b69644fc96042d7e9042fce792159b887fbded5e2278 
xen-ocaml-4.2.3-23.el6.centos.alt.x86_64.rpm
75caa2fe59e2348b855b6e2275ef523afc552316edc3d7b85b7feae067d6ff49 
xen-ocaml-devel-4.2.3-23.el6.centos.alt.x86_64.rpm
c0be88bf125014d7a53c9e21047fe80dc79c5eea9cf26f785a568a163

Re: [CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread Carl T. Miller 
Timothy Murphy wrote:
> I'll try following the instructions in that document,
> as I have had no luck with the documents on www.postfix.org .

I have switched over from sendmail to postfix, and the
most difficult part was learning how simple it is to
configure postfix.  Once you get that, a quick web
search will let you know the postfix equivalent of
a sendmail setting, such as smarthost.

I'd be surprised if anything in that document is not
right.  If you find anything or you need assistance,
the list is here.

Use postconf with -d or -n to see default and non-
default configurations.  "man -a postconf" and is your
friend.  Also, check /var/log/maillog for errors after
making any configuration changes.  Some errors may not
appear for a day or two until a matching message is
received, for example with size restrictions.

> The changeover from sendmail to postfix in CentOS-6
> was probably a mistake, in my view, unless required to follow RedHat.
> At the very least proper documentation should be a pre-requisite
> for a change like this.

My two cents.  There's a good reason postfix has been
chosen to replace sendmail as the default MTA.  As with
anything new, it takes time to feel comfortable with it.

c


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Re: [CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread Ned Slider 
On 12/09/13 12:35, Patrick Lists wrote:
> On 09/12/2013 12:03 PM, Timothy Murphy wrote:
>> I recently, perhaps foolishly, changed over a remote server
>> from sendmail/procmail to postfix/amavis/spamassassin/clamd ,
>> and I'm finding it difficult to configure this setup.
>>
>> The CentOS document 
>> explicitly says that its instructions may not work in CentOS-6.
>> Does anyone know of reasonably simple postfix documentation
>> for CentOS-6?
>
> Read "Postfix: The Definitive Guide" or "The Book of Postfix". Years ago
> I read the first and used it to setup multiple domains with virtual
> accounts. Works perfectly to this day. Also heard good things about the
> 2nd book. Both should give you ample knowledge how to setup Postfix.
>
>> I've been amazed how bad the postfix documentation is.
>> It actually seems to be worse that sendmail documentation,
>> which I thought established a record for this sort of thing.
>> The official documentation at
>> 
>> is ludicrously wordy, with every conceivable option
>> listed in random order.
>
> Imho the Postfix documentation is excellent. Admittedly it does not do
> any handholding but once you are familiar with it, it's very helpful to
> have such an elaborate overview of all possible options.
>

I agree wholeheartedly.

Postfix is obviously going to be a little different for those 
transitioning from Sendmail, but I firmly believe it's much less 
complicated to learn and deploy for those first starting out on the road 
to deploying a mail server. I believe the widespread recognition of this 
fact is one of the main reasons behind Postfix being the default MTA in 
RHEL6.

> I would suggest to start with a basic Postfix setup without all the
> bells and whistles, get that going and then slowly add things like
> anti-spam rules, amavis etc. Using git for your configs helps reverting
> if something blows up.
>

Excellent advice IMHO, and exactly the way the CentOS Wiki documentation 
was written, albeit for CentOS 5. Start with the basic Postfix guide, 
then bolt on some basic spam filtering, postgrey, SASL, amavisd/ClamAV 
as required.

You can see the full list of guides here:

http://wiki.centos.org/HowTos#head-0facb50d5796bee0bd394636c32ffa9a997a6ab5


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[CentOS] Anyone has experience with OpenVAS and the Atomicorp repository

2013-09-12 Thread Patrick Bervoets 

I was looking for a vulnerability scanner and found OpenVAS. Does anyone has 
experiences with that scanner?
And with the Atomicorp repository? (the OpenVAS website refers to that repo)

Thanks
Patrick

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Re: [CentOS] Anyone has experience with OpenVAS and the Atomicorp repository

2013-09-12 Thread Fabrizio Di Carlo 
I downloaded last week OpenVAS but I don't know if I made some mistake or
no... By the way the project is really interesting so if someone has some
tips about installation and configuration I will be happy to read.

Fabrizio


On Thu, Sep 12, 2013 at 3:11 PM, Patrick Bervoets <
patrick.bervo...@psc-elsene.be> wrote:

> I was looking for a vulnerability scanner and found OpenVAS. Does anyone
> has experiences with that scanner?
> And with the Atomicorp repository? (the OpenVAS website refers to that
> repo)
>
> Thanks
> Patrick
>
>
> ___
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>


-- 
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servant. We have created a society that honors the servant and has
forgotten the gift." (A. Einstein)

"La mente intuitiva è un dono sacro e la mente razionale è un fedele servo.
Noi abbiamo creato una società che onora il servo e ha dimenticato il
dono."  (A. Einstein)

Fabrizio Di Carlo
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Re: [CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread george 
How about trying this out ->
http://www.howtoforge.com/virtual-users-and-domains-with-postfix-courier-mysql-and-squirrelmail-centos-6.3-x86_64



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View this message in context: 
http://centos.1050465.n5.nabble.com/CentOS-Setting-up-postfix-under-CentOS-6-tp5720727p5720736.html
Sent from the CentOS mailing list archive at Nabble.com.
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Re: [CentOS] Anyone has experience with OpenVAS and the Atomicorp repository

2013-09-12 Thread Steve Clark 
I have used it on CentOS 6.3.

This is how we loaded it.

Step 1: Configure Atomicorp Repository
sudo -i
export NON_INT=Y; wget -q -O - http://www.atomicorp.com/installers/atomic | sh

Step 2: Quick-Install OpenVAS
yum -y --disablerepo=\* --enablerepo=base,updates,atomic,rpmforge install 
openvas gsd
openvas-setup
openvas-certdata-sync
service openvas-scanner start
openvasmd --rebuild
service openvas-manager start
service gsad start


During the openvas-setup you will prompted to create a user/login.
-- no rules are needed.

The above step can take quite a while depending on the speed of your connection 
as all the current security vulnerabilities are being downloaded.
Open https://localhost:9392/ or start "gsd" on a command line as a regular user 
(not as root!)
The first thing to do is create a target under Configuration menu then create a 
Scan Task and then start the scan task. Refresh your browser to track the 
progress of the scan.


On 09/12/2013 09:20 AM, Fabrizio Di Carlo wrote:
> I downloaded last week OpenVAS but I don't know if I made some mistake or
> no... By the way the project is really interesting so if someone has some
> tips about installation and configuration I will be happy to read.
>
> Fabrizio
>
>
> On Thu, Sep 12, 2013 at 3:11 PM, Patrick Bervoets <
> patrick.bervo...@psc-elsene.be> wrote:
>
>> I was looking for a vulnerability scanner and found OpenVAS. Does anyone
>> has experiences with that scanner?
>> And with the Atomicorp repository? (the OpenVAS website refers to that
>> repo)
>>
>> Thanks
>> Patrick
>>
>>
>> ___
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>> http://lists.centos.org/mailman/listinfo/centos
>>
>>
>


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*NetWolves*
Director of Technology
Phone: 813-579-3200
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Email: steve.cl...@netwolves.com
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Re: [CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread Brian Mathis 
On Thu, Sep 12, 2013 at 7:17 AM, Timothy Murphy  wrote:

> Ned Slider wrote:
>
> >> The CentOS document 
> >> explicitly says that its instructions may not work in CentOS-6.
> >> Does anyone know of reasonably simple postfix documentation
> >> for CentOS-6?
>
> > The above probably should work, just that it wasn't written specifically
> > for 6 and hasn't been tested on 6, but the changes in Postfix between 5
> > and 6 shouldn't prevent it from working given it describes the bare
> > minimum required to get Postfix up on your system.
>
> Ok, thanks for the response.
> I'll try following the instructions in that document,
> as I have had no luck with the documents on www.postfix.org .
>
> The changeover from sendmail to postfix in CentOS-6
> was probably a mistake, in my view, unless required to follow RedHat.
> At the very least proper documentation should be a pre-requisite
> for a change like this.
>
> --
> Timothy Murphy
> e-mail: gayleard /at/ eircom.net
> School of Mathematics, Trinity College, Dublin 2, Ireland
>


An important document is the architectural overview (
http://www.postfix.org/OVERVIEW.html) which is somewhat unceremoniously
indexed under "Other Topics" on the documentation page.  That really helps
tie a lot of things together.


❧ Brian Mathis
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Re: [CentOS] CentOS Dojo and drinks, London on the 13th Sept, 2013

2013-09-12 Thread Karanbir Singh 
On 09/04/2013 05:21 PM, Karanbir Singh wrote:
> On the 13th Sept 2013, we will be hosting a CentOS Dojo in London, UK;
> hosted by ITV ( http://www.itv.com/ ) at their Waterloo offices. Details
> of the venue are on the wiki page at :
> http://wiki.centos.org/Events/Dojo/London2013

Nearly there, 18 odd hours left for the Dojo to kick off. And we do
indeed have live streams at http://www.centos.org/media.html as well as
on the dojo page ( http://wiki.centos.org/Events/Dojo/London2013 )

For those of you who are in different timezones, we will try and get the
videos online as soon as possible, after the event.

Looking forward to seeing some of you guys tomorrow, I am sure its going
to be a great day.

Regards,

-- 
Karanbir Singh
+44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh
GnuPG Key : http://www.karan.org/publickey.asc
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Re: [CentOS] Queries usb installer / live usb

2013-09-12 Thread m . roth 
SilverTip257 wrote:
> On Thu, Sep 12, 2013 at 5:50 AM, Rajagopal Swaminathan <
> raju.rajs...@gmail.com> wrote:
>> On Thu, Sep 12, 2013 at 2:41 PM, Rajagopal Swaminathan
>>  wrote:
>> > Greetings,
>> >
>> > I am trying to prepare
>> > 1. installer usb using iso with (centos minimal + custom rpm)
>> > 2. a Live usb using (centos minimal + custom rpm)
>>
> So you're going to have a local copy of all the RPMs for the minimal
> installer to use?
>
> Personally I think you're best off saving yourself headaches and making
> certain you have a network available (and might just as well PXE boot at
> that point).

I don't know his environment, and I *think* he said a network might not be
available. I see no reason that you can't have an ISO with all that you
need - certainly, you won't need the laundry list that now is over 1 DVD.

   mark


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Re: [CentOS] Queries usb installer / live usb

2013-09-12 Thread John Doe 
From: Rajagopal Swaminathan 

> I am trying to prepare
> 1. installer usb using iso with (centos minimal + custom rpm)
> 2. a Live usb using (centos minimal + custom rpm)
> 
> I do not have any information of the configuration of target system
> beforehand -- especially the storage devices. Could be two or more and
> may a dvd-rw. Unknown
> 
> 1. How does one specify the path for kickstart file in the
> syslinux.cfg which is in the usb given that device ?
> 
> 2. where should the kickstart file be located - inside isolinux
> directory or above it?
> 
> 3. If we just put ks=ks.cfg where should ks.config be located?

did you check http://wiki.centos.org/HowTos/InstallFromUSBkey ?

JD
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Re: [CentOS] Queries usb installer / live usb

2013-09-12 Thread SilverTip257 
On Thu, Sep 12, 2013 at 5:50 AM, Rajagopal Swaminathan <
raju.rajs...@gmail.com> wrote:

> Greetings,
>
> On Thu, Sep 12, 2013 at 2:41 PM, Rajagopal Swaminathan
>  wrote:
> > Greetings,
> >
> > I am trying to prepare
> > 1. installer usb using iso with (centos minimal + custom rpm)
> > 2. a Live usb using (centos minimal + custom rpm)
>

So you're going to have a local copy of all the RPMs for the minimal
installer to use?

Personally I think you're best off saving yourself headaches and making
certain you have a network available (and might just as well PXE boot at
that point).


>  >
> > I do not have any information of the configuration of target system
> > beforehand -- especially the storage devices. Could be two or more and
> > may a dvd-rw. Unknown
> >
> > 1. How does one specify the path for kickstart file in the
> > syslinux.cfg which is in the usb given that device ?
>

http://forums.fedoraforum.org/showthread.php?t=235489
https://www.redhat.com/archives/rhelv6-list/2011-June/msg00026.html
http://www.redhat.com/archives/redhat-list/2006-November/msg00186.html


> >
> > 2. where should the kickstart file be located - inside isolinux
> > directory or above it?
>

Per the URLs above:
- It appears you can place a ks.cfg on the root of the device and it will
be used by default.  Though it is also possible (and probably best for
multiple kickstart recipes) to specify the config manually.


> >
> > 3. If we just put ks=ks.cfg where should ks.config be located?
> >
>

See notes above.


>
> Another small issue: network (Lan/Internet) may or may not be
> available. remote access may or may not be there.
>

Disclaimer:
I have not tested the above notes for complete accuracy.
I have always had a network connection available and [in many cases] PXE
booted my installs.  I reference a kickstart config on a local web server.


>
>
> --
> Regards,
>
> Rajagopal
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//  SilverTip257  //
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Re: [CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread Timothy Murphy 
Carl T. Miller wrote:

> My two cents.  There's a good reason postfix has been
> chosen to replace sendmail as the default MTA.  As with
> anything new, it takes time to feel comfortable with it.

Sorry, since you don't give a reason it's not worth two cents.

-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
School of Mathematics, Trinity College, Dublin 2, Ireland


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[CentOS] Tk font problem with CentOS 6

2013-09-12 Thread Glenn Eychaner 
I'm having an odd problem which I can't seem to find the answer to. I have 
recently upgraded from CentOS 5 to CentOS 6 (using a fresh install and 
migrate). However, I have a bunch of Tk widgets that use font names like 
"12x24" and "5x7", etc.  Under CentOS 5 (Tk 8.4), this worked fine; however, 
under CentOS 6 (Tk 8.5), this does not seem to work properly; it does not find 
the fonts and reverts to a (pretty, but wrong) default font.

I have verified using xlsfonts, xdpyfont, etc. that the fonts exist; for 
example, "12x24" is apparently now an alias for:
-Sony-Fixed-Medium-R-Normal--24-170-100-100-C-120-ISO8859-1
and if I specify this full name in Tk, it works fine.

What am I doing wrong here, or did the enhanced font support in Tk 8.5 subtly 
break fonts using an "WxH" designation?

-G.
--
Glenn Eychaner (geycha...@lco.cl)
Telescope Systems Programmer, Las Campanas Observatory




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Re: [CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread Timothy Murphy 
Patrick Lists wrote:

> Read "Postfix: The Definitive Guide" or "The Book of Postfix". Years ago
> I read the first and used it to setup multiple domains with virtual
> accounts. Works perfectly to this day. Also heard good things about the
> 2nd book. Both should give you ample knowledge how to setup Postfix.

I'm sure you are right.
But I don't really want to _learn_ about postfix,
I just want to use it.

=> Imho the Postfix documentation is excellent. Admittedly it does not do
> any handholding but once you are familiar with it, it's very helpful to
> have such an elaborate overview of all possible options.

Too much information is just as bad, if not worse, than too little.
It does not help to list all possible options if there are hundreds of them,
since one has to start by working out which can possibly be relevant.
There is a big difference between a user manual and a reference manual.

-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
School of Mathematics, Trinity College, Dublin 2, Ireland


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Re: [CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread Timothy Murphy 
Carl T. Miller wrote:

>> I'll try following the instructions in that document,
>> as I have had no luck with the documents on www.postfix.org .
> 
> I have switched over from sendmail to postfix, and the
> most difficult part was learning how simple it is to
> configure postfix.

Why should it be difficult to learn that,
unless the documentation is misleading?
(It is.)

> I'd be surprised if anything in that document is not
> right.  If you find anything or you need assistance,
> the list is here.

I didn't find anything wrong in the document in question
(http://wiki.centos.org/HowTos/postfix),
except that a couple of packages mentioned
(ystem-change-mail*) don't seem to exist in CentOS-6.

However, if my experience is anything to go by,
it missed out two essential points.

Firstly, after following the instructions meticulously,
I found that I could not send out mail
because (according to /var/log/maillog)
the From address was tim@localhost.localdomain ,
and this was rejected by the recipient host
or rather his ISP.
---
  MAIL FROM domain does not exist 
  (in reply to MAIL FROM command)
---
I cured this by adding
  tim t...@gayleard.eu
to /etc/hosts .
I don't know if this is the best way to go about it?

After correcting this, I found my email was still rejected,
with the message "Blacklisted by Spamhaus"!
I read in 
that 'the reason is simply that you need to turn on "SMTP Authentication"'

Googling for "centos postfix authentication" took me on a long
and not very interesting journey.
I was amazed how many apparently widely differing solutions were suggested.
In the end I found the simplest solution in 

which describes the postfix equivalent of sendmail's SMART_HOST.
(A lot more complicated than the one line in sendmail.mc .)

-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
School of Mathematics, Trinity College, Dublin 2, Ireland


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Re: [CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread Ned Slider 
On 12/09/13 23:04, Timothy Murphy wrote:
> Carl T. Miller wrote:
>
>> I'd be surprised if anything in that document is not
>> right.  If you find anything or you need assistance,
>> the list is here.
>
> I didn't find anything wrong in the document in question
> (http://wiki.centos.org/HowTos/postfix),
> except that a couple of packages mentioned
> (ystem-change-mail*) don't seem to exist in CentOS-6.
>

That was for switching the default MTA in EL5. As Postfix is already the 
default in EL6 it is simply not needed.

> However, if my experience is anything to go by,
> it missed out two essential points.
>
> Firstly, after following the instructions meticulously,
> I found that I could not send out mail
> because (according to /var/log/maillog)
> the From address was tim@localhost.localdomain ,
> and this was rejected by the recipient host
> or rather his ISP.
> ---
>   MAIL FROM domain does not exist
>(in reply to MAIL FROM command)
> ---
> I cured this by adding
>tim t...@gayleard.eu
> to /etc/hosts .
> I don't know if this is the best way to go about it?
>

This is typically caused by having your hostname set to localhost (or 
loaclhost.localdomain). Your hostname should reflect your fqdn.

> After correcting this, I found my email was still rejected,
> with the message "Blacklisted by Spamhaus"!
> I read in 
> that 'the reason is simply that you need to turn on "SMTP Authentication"'
>

The bit at the top of the Spamhaus link says it all really - as a matter 
of *policy*, Spamhaus and/or your ISP has decided that you shouldn't be 
sending email direct from that IP address as it's residential / dynamic 
/ whatever. Either way, as a result 90% of the internet is going to 
reject your mail. You will need to relay all outbound email through your 
ISPs smarthost to achieve any sort of deliverability.


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Re: [CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread Timothy Murphy 
Brian Mathis wrote:

> An important document is the architectural overview (
> http://www.postfix.org/OVERVIEW.html) which is somewhat unceremoniously
> indexed under "Other Topics" on the documentation page.  That really helps
> tie a lot of things together.

I did find that illuminating.
Thanks.

-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
School of Mathematics, Trinity College, Dublin 2, Ireland


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Re: [CentOS] Apple movie trailers on Centos6/Firefox

2013-09-12 Thread Fred Smith 
On Sat, Jun 01, 2013 at 04:34:57PM -0400, Fred Smith wrote:
> Hi all!

I've not seen any replies since I posted this original posting in June.

Apparently I'm the only Centos user who is unable to view the quicktime
trailers,... or maybe nobody but me is interested.

I've found a posting on the centos forums:

https://www.centos.org/modules/newbb/viewtopic.php?topic_id=24119&forum=38&post_id=109180#forumpost109180

that proposed a technique close to what I used for the previous 2 or 3
years, but it doesn't work either.

Curiously, on my two Fedora laptops, Apple's trailers work just fine
with Firefox and "movie player", along with a bunch of various firefox
add-ons and a scattershot approach to finding the right packages to
install, but I can't make it work on Centos at all, anymore. (And it
did work on this very computer up until somewhere in late May.)

I'd appreciate it if anyone else has figured it out, if they'd let
us all know how to do it.

thanks!

Fred

> 
> Once again, Apple has messed with their trailers/website such that I can
> no longer play their trailers on Centos 6 (note that it still works
> fine on my two Fedora machines, F17 and F19, without any special
> settings.
> 
> on Centos, I've long ago found that by setting the user agent to certain
> values I could make it work, but now that no longer helps. when I try
> to view a trailer all I get is a "download Quicktime" page.
> 
> When I was running C5, I used mplayer plugin to do the video and it
> worked fine. after installing C6, I discovered that Totem also worked
> without the need to mess with mplayer installation. then all of a
> sudden, a couple weeks ago, it stopped working.
> 
> at the same time, the choices they offered changed, so now they only offer
> "automatic", "480p" or "720p".
> 
> this link is to one I can still play: 
> http://trailers.apple.com/trailers/independent/elemental/
> 
> and this is a newer one I cannot: 
> http://trailers.apple.com/trailers/disney/monstersuniversity/
> 
> I am (and have been) using the User Agent Switcher plugin for firefox
> (for several years) to make this all work, and until recently it has.
> Using that plugin, I find either of these settings has worked:
> 
> useragent description="Quicktime 7.6.2" 
> useragent="QuickTime/7.6.2 (qtver=7.6.2;os=Windows NT 5.1 Service Pack 3)"
> appcodename="Mozilla" 
> appname="Netscape" appversion="5.0 (X11)" 
> platform="Linux x86_64" 
> vendor="" 
> vendorsub=""
> 
> or:
> 
> useragent description="Google chrome" 
> useragent="Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.19 (KHTML,like 
> Gecko) Chrome/18.0.1025.168 Safari/535.19" 
> appcodename="Mozilla" 
> appname="Netscape" appversion="5.0 (X11)" 
> platform="Linux x86_64" 
> vendor="" 
> vendorsub=""
> 
> I'd appreciate hints on how to once again do a end-run around Apple's
> attempts to fence me out.
> 
> Thanks!
> 
> -- 
>  Fred Smith -- fre...@fcshome.stoneham.ma.us -
>   "And he will be called Wonderful Counselor, Mighty God, Everlasting Father,
>   Prince of Peace. Of the increase of his government there will be no end. He 
>  will reign on David's throne and over his kingdom, establishing and upholding
>   it with justice and righteousness from that time on and forever."
> --- Isaiah 9:7 (niv) 
> --

-- 
---
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letters, petitions, mass mailings, or virus warnings to large numbers
of others. This is my contribution to the survival of the online
community.
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Re: [CentOS] Queries usb installer / live usb

2013-09-12 Thread Rajagopal Swaminathan 
Greetings,

On Thu, Sep 12, 2013 at 8:17 PM, SilverTip257  wrote:
>
> So you're going to have a local copy of all the RPMs for the minimal
> installer to use?
>

Yes, indeed.

> Personally I think you're best off saving yourself headaches and making
> certain you have a network available (and might just as well PXE boot at
> that point).
>

Not always possible.

>
> http://forums.fedoraforum.org/showthread.php?t=235489
> https://www.redhat.com/archives/rhelv6-list/2011-June/msg00026.html
> http://www.redhat.com/archives/redhat-list/2006-November/msg00186.html
>

Thanks for the links. I will peruse them.

>
>
> Per the URLs above:
> - It appears you can place a ks.cfg on the root of the device and it will
> be used by default.  Though it is also possible (and probably best for
> multiple kickstart recipes) to specify the config manually.
>

Ok will give it a shot and get back.

Thanks for your replies and pointers.


-- 
Regards,

Rajagopal
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Re: [CentOS] Queries usb installer / live usb

2013-09-12 Thread Rajagopal Swaminathan 
Greetings,

On Thu, Sep 12, 2013 at 8:38 PM,   wrote:
>
> I don't know his environment, and I *think* he said a network might not be
> available. I see no reason that you can't have an ISO with all that you
> need - certainly, you won't need the laundry list that now is over 1 DVD.
>

Indeed, This a a software product based off centos which will be
distributed to channel partners for installation some time in remote
places where, let alone network, even electricity might not be there
for hours. And the installation will be done by end user who almost
certainly will not know much about computers, let alone linux.


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Re: [CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread natxo asenjo 
On 09/12/2013 12:03 PM, Timothy Murphy wrote:
> I recently, perhaps foolishly, changed over a remote server
> from sendmail/procmail to postfix/amavis/spamassassin/clamd ,
> and I'm finding it difficult to configure this setup.

migrating is always a pain.

> The CentOS document 
> explicitly says that its instructions may not work in CentOS-6.
> Does anyone know of reasonably simple postfix documentation
> for CentOS-6?

no. Maybe you can write one after you figure it out :-)

> I've been amazed how bad the postfix documentation is.
> It actually seems to be worse that sendmail documentation,
> which I thought established a record for this sort of thing.
> The official documentation at
> 
> is ludicrously wordy, with every conceivable option
> listed in random order.

let me disagree with you.

Postfix's target audience is not the average joe user but e-mail 
administrators. It is assumed you know some stuff about how smtp e-mail 
works.

With that in mind, its documentation is simple, to the point and accurate.

For simple scenarios, you go to the 'General configuration' bullet 
points. In there you even have standard configuration examples:

http://www.postfix.org/STANDARD_CONFIGURATION_README.html

Once you have that figured out, then you can go on to other configs, 
like the content inspection, integration with other data sources, 
performance problems, etc. It does make sense once you approach it with 
an e-mail admin hat on.

If what you want is an appliance that handles this stuff but hides it 
all under the hood from you, maybe you should be looking at commercial 
offerings like barracuda. It is nothing to be ashamed of to buy stuff 
that works and has support when something goes wrong. Handling e-mail 
for a company without understanding how it works internally can be 
stressing.

Also, the postfix mailing list is the best place to ask postfix questions

-- 
Groet,
natxo
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Re: [CentOS] Setting up postfix under CentOS-6

2013-09-12 Thread natxo asenjo 
On 09/12/2013 11:39 PM, Timothy Murphy wrote:
> Patrick Lists wrote:
>
>> Read "Postfix: The Definitive Guide" or "The Book of Postfix". Years ago
>> I read the first and used it to setup multiple domains with virtual
>> accounts. Works perfectly to this day. Also heard good things about the
>> 2nd book. Both should give you ample knowledge how to setup Postfix.
>
> I'm sure you are right.
> But I don't really want to _learn_ about postfix,
> I just want to use it.

I am sure you can find consultants where you live willing to help you do 
just that.

If you do not want to RTFM, then you'll have to pay someone to do it for 
you :-)

-- 
groet,
natxo

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