CentOS Community,
Do you know how I can go about enabling system dumps and/or kernel core
dumps. I want to be able to have the system dump a core during a panic,
or crash.
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On 4/20/2012 8:59 AM, Rafał Radecki wrote:
Hi all.
I am currently building a small test cloud based on Eucalyptus 2.0.3 and
CentOS 5.8 x64. I have a choice which hypervisor to use: KVM or XEN.
KVM is the default in CentOS 6 but I have read also many good things (for
example PV guest
On 4/6/2012 11:18 AM, Johnny Hughes wrote:
On 04/06/2012 08:18 AM, Jonathan Vomacka wrote:
Good day,
I was wondering if there was a way to change the hostname for each
individual IP address allocated to a system. For example if only one NIC
card is being used (single port) and the hostname
On 4/8/2012 3:52 AM, John R Pierce wrote:
On 04/08/12 12:19 AM, Jonathan Vomacka wrote:
I am referring to when binding one of the IP alias to an application.
For example if I take any application installed on my server and tell it
to connect to another source from a specific IP alias
Good day,
I was wondering if there was a way to change the hostname for each
individual IP address allocated to a system. For example if only one NIC
card is being used (single port) and the hostname of the machine is
example.example.org, this hostname is being displayed for all
applications
CentOS Community,
What commands can I use to check the disk health of the system when LVM2
is being used on top of a RAID 10 using a HARDWARE 3ware raid card. The
OS sees a hardware raid usually as one big drive. Is there a way to
check the disks individually to see if any are failing, or
On 3/31/2012 7:11 AM, Prabhpal S. Mavi wrote:
Hello BoB,
Thanks for you kind assistance, your solution opened the SMTP:465 on the
postfix server.
But when i telnet 587, i can see 220 in response.
[root@jet postfix]# telnet localhost 587
Trying ::1...
Connected to localhost.
Escape
On 3/31/2012 8:16 AM, Tilman Schmidt wrote:
Am 31.03.2012 13:36, schrieb Jonathan Vomacka:
On 3/31/2012 7:11 AM, Prabhpal S. Mavi wrote:
But when i telnet 587, i can see 220 in response.
[root@jet postfix]# telnet localhost 587
Trying ::1...
Connected to localhost.
Escape character
On 3/7/2012 9:32 PM, Devin Reade wrote:
John R Piercepie...@hogranch.com wrote:
I don't understand how ANYTHING you do on a single server could be
called 'cloudy'.
Well, if it catches fire and produces lots of white smoke ...
ROFL
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On 3/4/2012 8:01 PM, Luke S. Crawford wrote:
Right. I was referring to RAID 1. For a RAID 10, you would have to
find the proper drive to boot from. This is why I tend to limit myself
to RAID 1 in software. If I need something more complex than that, I
get a hardware card so the OS just
CentOS Community,
I have a dedicated server with 4 hard drives in a RAID 10 software
configuration running LVM. My OS is CentOS 6.2. Earlier today, I
rebooted my system and my system did not come back online. I opened a
ticket with my datacenter who informed me that one of my hard drives is
... is this an accurate statement?
On 3/2/2012 12:07 PM, Digimer wrote:
On 03/02/2012 09:03 AM, Jonathan Vomacka wrote:
CentOS Community,
I have a dedicated server with 4 hard drives in a RAID 10 software
configuration running LVM. My OS is CentOS 6.2. Earlier today, I
rebooted my system
On 3/2/2012 2:46 PM, Bowie Bailey wrote:
On 3/2/2012 1:01 PM, m.r...@5-cent.us wrote:
Digimer wrote:
snip
Boot from a live CD using the CentOS 6.2 install media. Once booted:
bash# grub
grub root (hd0,0)
grub setup (hd0)
grub root (hd1,0)
grub setup (hd1)
grub root (hd2,0)
grub
On 3/2/2012 3:09 PM, Devin Reade wrote:
Putting an MBR on all disks right after an OS install, as previously
mentioned, is of course the best option (although it's too late for that
in this instance). Others have talked about using the live CD to
recover from your situation, which is good.
On 3/2/2012 3:38 PM, Tru Huynh wrote:
On Fri, Mar 02, 2012 at 09:03:44AM -0500, Jonathan Vomacka wrote:
CentOS Community,
I have a dedicated server with 4 hard drives in a RAID 10 software
configuration running LVM. My OS is CentOS 6.2. Earlier today, I
rebooted my system and my system did
I know this is a bit off topic from CentOS itself, but are there any DNS
experts that would be able to e-mail me on the side and assist with some
questions I have regarding TXT/SPF records? I want to ensure my mail
doesn't bounce.
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I am inquiring about how to setup a proper SPF record. I know there are
SPF wizards/generators available but each seem to have a different
opinion of what should be included and what should not be included.
Let me give you a scenario of my setup, and hopefully someone can help
me out.
My
On 2/18/2012 12:05 PM, Reindl Harald wrote:
Am 18.02.2012 17:53, schrieb Jonathan Vomacka:
I am inquiring about how to setup a proper SPF record. I know there are
SPF wizards/generators available but each seem to have a different
opinion of what should be included and what should
On 2/18/2012 12:53 PM, Reindl Harald wrote:
Am 18.02.2012 18:33, schrieb Jonathan Vomacka:
-all will cause some MTA's to reject
then they are badly broken
~all is better to use
this means SPF is in testing mode and not enforced
some servers may use them for scoring
CentOS Community,
Is there a command to boot into a different version of the kernel? I
believe this is setup via grub.conf but unsure. There are a few
different kernels loaded into /boot but I want to see if there is a
command to boot into a different kernel as a single instance or
permanent
CentOS Community,
Would someone who is familiar with reading boot messages and kernel
errors be able to assist with advising me on what the following errors
might mean in dmesg. It seems to come up randomly towards the end of the
logfile.
[ cut here ]
WARNING: at
CentOS 6.2 Community / Developers,
Are there any known issues with the latest Kernel on CentOS 6.2? I
performed a yum update and the kernel downloaded. When the system
rebooted I started having intermittent latency issues when trying to
perform certain commands on the system such as top or ls
CentOS Experts,
I am receiving the following in /var/spool/mail/root. I cleaned out the
file and then rebooted and the same errors came back. Is it possible to
analyze the data and advise if there is an issue with my system? This is
a completely fresh install.
From u...@localhost.srv.net
CentOS Community,
Which RAID levels are supported with a software RAID during the CentOS
install? I currently have 4 drives in the system, and am looking to
have performance and mirror (like RAID 0+1 or RAID 1+0). Are these
raid levels supported?
___
CentOS Community,
It is to my understanding that the /boot partition should never be
placed on LVM and should be a physical partition on the hard drives
(or on top of a RAID array). Is this an accurate statement?
Also please advise if the SWAP filesystem is safe to be placed under
LVM, or if
On Mon, Jan 16, 2012 at 10:38 PM, Muhammad Panji sumodi...@gmail.com wrote:
On Tue, Jan 17, 2012 at 10:26 AM, Jonathan Vomacka juvi...@gmail.comwrote:
CentOS Community,
It is to my understanding that the /boot partition should never be
placed on LVM and should be a physical partition
Good morning all,
I currently have a website that was written in ASP back in 1999. The
system is currently running Windows 2003 Server with MsSQL. Before
everyone flames me for being in the wrong place, I was wondering if
there is a way to allow centos to run old ASP code? I know years ago
I know this was discussed before, and I have seen a million ways of
doing this via online docs. I have a quick question that hopefully the
community can help me out with
I am trying to add a block of 10 IP addresses. Rather then create 10
different alias files, I want to use the RANGE file.
/2011 6:35 PM, Reindl Harald wrote:
Am 14.11.2011 00:28, schrieb Jonathan Vomacka:
I know this was discussed before, and I have seen a million ways of
doing this via online docs. I have a quick question that hopefully the
community can help me out with
I am trying to add a block of 10 IP
Good afternoon Gentlemen,
I have a question regarding /etc/hosts for CentOS 6 x64. I already have
a hostname set on my server, however there are 10 additional IP aliases
assigned to the box, one which I plan to use as a mail server. The mail
server will be serving mail for a completely
Gentlemen,
I have a question regarding yum groupinstall vs just using yum install.
I have been reading tutorials online (for example how to run a Centos
LAMP). Most of the tutorials have examples to install httpd, mysql, etc
using yum install httpd
The reason for this e-mail is that I
come back as my systems host INSTEAD of the mail server hostname.
Is it good measure to add it to the hosts file anyway or is this a waste
of time? I guess my understanding of the host file is clouded.
On 11/8/2011 12:50 PM, Reindl Harald wrote:
Am 08.11.2011 18:23, schrieb Jonathan Vomacka
Jerry,
Understandable. Is I was looking for a full LAMP stack (Apache, MySQL,
PHP, etc) would a groupinstall be a good option, or does it install a
whole bunch of other garbage that is not necessarily needed for web
serving?
I reviewed the document you linked me to but I still seem to have
Makes sense, I appreciate the help Richard.
On 11/8/2011 12:55 PM, lists-centos wrote:
Original Message
Date: Tuesday, November 08, 2011 12:28:42 PM -0500
From: Jonathan Vomackajuvi...@gmail.com
To: centos@centos.org
Gentlemen,
I have a question regarding yum
to this thread Gentlemen.
On 11/8/2011 1:06 PM, Reindl Harald wrote:
Am 08.11.2011 18:53, schrieb Jonathan Vomacka:
Reindl,
To my knowledge, all that needs to be configured is A records, MX
records, and SPF records (along with correlating PTR's). This is a whole
other subject and I feel I
CentOS Community,
I was wondering if anyone had a good resource or procedure for a step by
step in installing a mail server with Centos. There ARE documents on
google, however almost all that i've found were outdated from 2005. Does
anyone know where I can find this type of document for a
Guys,
Is there a difference between CentOS 6.0 and centos 6 on the mirror
list? Each mirror seems to have a folder for 6.0 and 6 separately.
http://mirrors.lga7.us.voxel.net/centos/
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Thank you to everyone who responded and contributed to this topic. I
appreciate it greatly!
On 9/2/2011 12:03 PM, Devin Reade wrote:
You've already received some good responses so I won't rehash a
lot of what was said. However here are few more comments without
a lot of backing detail (but
Thank you to everyone who responded and contributed to this topic. I
appreciate it greatly!
On 9/2/2011 11:27 AM, Robert Nichols wrote:
On 09/01/2011 07:58 PM, Tom H wrote:
Poettering says in
his blog that you can have /usr on a separate partition if you mount
it in the initramfs. With
Lamar,
Excellent email. Thank you so much you have been very informative!!!
On 9/1/2011 11:29 AM, Lamar Owen wrote:
On Wednesday, August 31, 2011 09:21:25 PM Jonathan Vomacka wrote:
I was
recently told that this is an old style of partitioning and is not used
in modern day Linux
John Doe,
Thanks, This is a good read and makes me feel better about splitting
partitions.
On 9/1/2011 11:17 AM, John Doe wrote:
From: Jonathan Vomackajuvi...@gmail.com
I have a question regarding CentOS 6 server partitioning.
) Is EXT4 better or worse to use then XFS for what I am planning to use
the system for?
Thanks in advance for all your help guys
Kind Regards,
Jonathan Vomacka
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swap spaces equaling
10GB if this is the case. Please help!
3) Is EXT4 better or worse to use then XFS for what I am planning to use
the system for?
Thanks in advance for all your help guys
Kind Regards,
Jonathan Vomacka
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, 2011-08-31 at 21:28 -0400, Jonathan Vomacka wrote:
*Re-sending as it appears my original e-mail did not go through*.
Good Evening All,
Bon soir.
Both version of your email were received in Europe.
On the subject of SWAP, I'm working on a standalone server with 8 GB RAM
and a AMD 3 core
on the drive
Is the above a bad partition?
On 8/31/2011 9:45 PM, John R Pierce wrote:
On 08/31/11 6:28 PM, Jonathan Vomacka wrote:
1) What is a good partition map/schema for a server OS where it's
primary purpose is for a LAMP server, DNS (bind), and possibly gameservers
my servers generally
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