Hi all,
I have plan to replace my Centos5.7 VM with newer version.
The VM works as our network gateway.
I want to ask from your experience, will it be a bad decision? My
concern is that since the Mac Address of the gateway will change, will
it disrupt the network?
How fast the Switches can recogni
On 11/30/11 12:59 AM, Fajar Priyanto wrote:
> How fast the Switches can recognize the new mac? Any other pitfall?
within seconds. or faster. and the client's ARP caches expire nearly
as fast.
its not the switches you care about as much as the DHCP leases for your
clients. if you can copy the
On Wed, Nov 30, 2011 at 5:09 PM, John R Pierce wrote:
> On 11/30/11 12:59 AM, Fajar Priyanto wrote:
>> How fast the Switches can recognize the new mac? Any other pitfall?
>
> within seconds. or faster. and the client's ARP caches expire nearly
> as fast.
>
> its not the switches you care about a
Vreme: 11/30/2011 10:13 AM, Fajar Priyanto piše:
> On Wed, Nov 30, 2011 at 5:09 PM, John R Pierce wrote:
>> On 11/30/11 12:59 AM, Fajar Priyanto wrote:
>>> How fast the Switches can recognize the new mac? Any other pitfall?
>>
>> within seconds. or faster. and the client's ARP caches expire near
On Tue, Nov 29, 2011 at 1:12 PM, Ljubomir Ljubojevic wrote:
I am accustomed to give precise answers and directions and expect people
> not to stray one bit so I can
> follow you in my mind (professional deformation and defense system), so
> as long as you follow what I suggest I will help you lan
I want to move my home server over to a new machine,
both running CentOS.
(The present server is running CentOS-5.7, the new one 6.0.)
I'm thinking of moving things over one at a time,
starting with email.
I'm running IMAP on the server,
with my email in ~/Maildir/ .
I'm wondering what exactly I ne
On 11/30/2011 10:09 AM, John R Pierce wrote:
> On 11/30/11 12:59 AM, Fajar Priyanto wrote:
>> How fast the Switches can recognize the new mac? Any other pitfall?
>
> within seconds. or faster. and the client's ARP caches expire nearly
> as fast.
>
> its not the switches you care about as much as
On 11/30/2011 06:36 AM Timothy Murphy wrote:
> I want to move my home server over to a new machine,
> both running CentOS.
> (The present server is running CentOS-5.7, the new one 6.0.)
> I'm thinking of moving things over one at a time,
> starting with email.
> I'm running IMAP on the server,
> wi
On 11/30/2011 06:18 AM, ken wrote:
> On 11/30/2011 06:36 AM Timothy Murphy wrote:
>> I want to move my home server over to a new machine,
>> both running CentOS.
>> (The present server is running CentOS-5.7, the new one 6.0.)
>> I'm thinking of moving things over one at a time,
>> starting with ema
Am 30.11.2011 13:45, schrieb Johnny Hughes:
> On 11/30/2011 06:18 AM, ken wrote:
>> On 11/30/2011 06:36 AM Timothy Murphy wrote:
>>> I want to move my home server over to a new machine,
>>> both running CentOS.
>>> (The present server is running CentOS-5.7, the new one 6.0.)
>>> I'm thinking of m
On Wed, Nov 30, 2011 at 2:59 AM, Fajar Priyanto wrote:
> Hi all,
> I have plan to replace my Centos5.7 VM with newer version.
> The VM works as our network gateway.
>
> I want to ask from your experience, will it be a bad decision? My
> concern is that since the Mac Address of the gateway will cha
On Wed, Nov 30, 2011 at 5:36 AM, Timothy Murphy wrote:
> I want to move my home server over to a new machine,
> both running CentOS.
> (The present server is running CentOS-5.7, the new one 6.0.)
> I'm thinking of moving things over one at a time,
> starting with email.
> I'm running IMAP on the s
On 29.11.2011 20:00, Craig White wrote:
>
> On Nov 29, 2011, at 9:14 AM, Timothy Madden wrote:
>
>> Hello
>>
>> Sorry for the (I guess) simple question, but:
>>
>> I have 7 computers under one 8-port router (D-Link DIR-100, firmware
>> v1.13EU) in my network (actually in a sub-network) and they do
Vreme: 11/30/2011 01:53 PM, Reindl Harald piše:
> but since i upgraded> 20 servers since F9 to F14 and
> currently stzart upgrade to F15 via yum this should also
> work on CentOS and is mostly more painless than searching
> every piece of configuraion on a new machine
>
> since this is a new machi
Is anyone out there using CentOS5 integrated correctly with a Windows 2008
domain so that active directory authentication can be used for samba
shares? I have tried the newer RPM's from SERNET up to 3.5 and 3.6 without
any luck. The usual behavior is wbinfo returns the active directory users
an
On 11/30/2011 06:53 AM, Reindl Harald wrote:
>
>
> Am 30.11.2011 13:45, schrieb Johnny Hughes:
>> On 11/30/2011 06:18 AM, ken wrote:
>>> On 11/30/2011 06:36 AM Timothy Murphy wrote:
I want to move my home server over to a new machine,
both running CentOS.
(The present server is run
On Nov 29, 2011, at 3:35 PM, m.r...@5-cent.us wrote:
> I've got two drives from a now-dead server, they were RAIDed, a mirror,
> I'd assume. I need to see if there's anything on them I need to transfer
> to the replacement, so I just shoved them into another Dell server, with a
> PERC 5 controller
Ross Walker wrote:
> On Nov 29, 2011, at 3:35 PM, m.r...@5-cent.us wrote:
>
>> I've got two drives from a now-dead server, they were RAIDed, a mirror,
>> I'd assume. I need to see if there's anything on them I need to transfer
>> to the replacement, so I just shoved them into another Dell server, w
On Wednesday, November 30, 2011 08:54:04 AM Timothy Madden wrote:
> Is there a way to get the name service switch to use wins, while the DNS
> configuration is handled by DHCP client ?
Yes, there is (or at least should be). While I know some will object strongly
to doing it this way, here's how
On Wednesday, November 30, 2011 03:59:58 AM Fajar Priyanto wrote:
> How fast the Switches can recognize the new mac? Any other pitfall?
There are a couple of things I've run into, mostly in failover situations or in
situations where a machine was moved from one switch to another.
ARP cache timeo
Hey folks,
I am sure there must be an easy way to do this.
I am currently running 5.3 and "yum info db4" tells me that they have
version 4.3.29.
Is that telling me that this is the version in 5.3? Or that this is
the latest version in the 5.x stream?
If the former, then how do I find out what
On 11/30/2011 04:28 PM, Alan McKay wrote:
> Hey folks,
>
> I am sure there must be an easy way to do this.
>
> I am currently running 5.3 and "yum info db4" tells me that they have
> version 4.3.29.
>
> Is that telling me that this is the version in 5.3? Or that this is
> the latest version in the
On Wed, Nov 30, 2011 at 11:22 PM, Lamar Owen wrote:
> So be prepared to clear ARP caches (since gratuitous ARP is sometimes seen as
> an attack vector, although it works quite well for VMware vMotion, DRS, and
> HA) and CAM/TCAM entries if things go awry.
>
> The RPMforge/repoforge repository in
On 11/30/2011 10:31 AM, Fabien Archambault wrote:
> On 11/30/2011 04:28 PM, Alan McKay wrote:
>> Hey folks,
>>
>> I am sure there must be an easy way to do this.
>>
>> I am currently running 5.3 and "yum info db4" tells me that they have
>> version 4.3.29.
>>
>> Is that telling me that this is the
On Wed, Nov 30, 2011 at 7:54 AM, Timothy Madden wrote:
>
> Thank you all for your answers.
>
> Indeed, my router (D-Link DIR-100) only does DNS relay and nothing more.
Errr, unless I'm looking at the wrong online manual, DNS relay does
_exactly_ what you want. You just have to give it a local do
Vreme: 11/30/2011 04:28 PM, Alan McKay piše:
> Is that telling me that this is the version in 5.3? Or that this is
> the latest version in the 5.x stream?
It's the latest version of the 5.x stream.
It looks like it was last changed in 5.5.
--
Ljubomir Ljubojevic
(Love is in the Air)
PL Comput
On Wed, Nov 30, 2011 at 09:28, Alan McKay wrote:
> Hey folks,
>
> I am sure there must be an easy way to do this.
>
> I am currently running 5.3 and "yum info db4" tells me that they have
> version 4.3.29.
>
> Is that telling me that this is the version in 5.3? Or that this is
> the latest versio
On Wed, Nov 30, 2011 at 09:37, Bowie Bailey wrote:
> On 11/30/2011 10:31 AM, Fabien Archambault wrote:
>> On 11/30/2011 04:28 PM, Alan McKay wrote:
>>> Hey folks,
>>>
>>> I am sure there must be an easy way to do this.
>>>
>>> I am currently running 5.3 and "yum info db4" tells me that they have
>
Normally I would have a VM for this sort of thing but I still do not
have a machine available for that and I'm hesitant to put VMWare
Server on one of my production machines. I'm new here and have
already flagged that I need a box for VMs - hoping to have something
in place by this time next week
On Wednesday, November 30, 2011 10:32:24 AM Fajar Priyanto wrote:
> Thanks all for all the insights from your experience. Much appreciated.
You're quite welcome. Please let us know how it went.
> I will do it during weekend when no users are working.
> (this creates the saying about sysadmin: pe
On Wed, Nov 30, 2011 at 7:54 AM, Timothy Madden
> Indeed, my router (D-Link DIR-100) only does DNS relay and nothing more.
What about in "Network Setting / DHCP Client list & reservation"?
It lists "Host Name" entries...
http://www.scribd.com/doc/10073475/DIR100-Manual-En
Page 26
JD
_
On Wed, Nov 30, 2011 at 09:44, Alan McKay wrote:
> Normally I would have a VM for this sort of thing but I still do not
> have a machine available for that and I'm hesitant to put VMWare
> Server on one of my production machines. I'm new here and have
> already flagged that I need a box for VMs
> I'd be hesitant to put an EOL product on my production machines as well.
Let me rephrase that - I am hesitant to put ANY virtualization on
these production machines. Mainly because I am very new here and do
not know the environment very well yet.
--
“Don't eat anything you've ever seen adver
On 11/30/2011 10:15 AM, Alan McKay wrote:
>> I'd be hesitant to put an EOL product on my production machines as well.
>
> Let me rephrase that - I am hesitant to put ANY virtualization on
> these production machines. Mainly because I am very new here and do
> not know the environment very well ye
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There's an article on slashdot about the Duqu team wiping all their
intermediary c&c servers on 20 Oct. Interestingly, the report says that
they were all (?) not only linux, but CentOS. There's a suggestion of a
zero-day exploit in openssh-4.3, but both the original article, and
Kaspersky labs (who
On Wed, Nov 30, 2011 at 12:05 PM, wrote:
>
> Are your root passwords strong?
I've always wondered why something as complex as sshd doesn't do
anything to protect you from the simplest form of attack - like
rate-limiting failed attempts.
--
Les Mikesell
lesmikes...@gmail.com
___
Ross Walker wrote:
> On Nov 29, 2011, at 3:35 PM, m.r...@5-cent.us wrote:
>
>> I've got two drives from a now-dead server, they were RAIDed, a mirror,
>> I'd assume. I need to see if there's anything on them I need to transfer
>> to the replacement, so I just shoved them into another Dell server, w
On 11/30/2011 12:05 PM, m.r...@5-cent.us wrote:
> There's an article on slashdot about the Duqu team wiping all their
> intermediary c&c servers on 20 Oct. Interestingly, the report says that
> they were all (?) not only linux, but CentOS. There's a suggestion of a
> zero-day exploit in openssh-4.3
Les Mikesell wrote:
> On Wed, Nov 30, 2011 at 12:05 PM, wrote:
>>
>> Are your root passwords strong?
>
> I've always wondered why something as complex as sshd doesn't do
> anything to protect you from the simplest form of attack - like
> rate-limiting failed attempts.
Well, it does take time to
Les Mikesell wrote:
On Wed, Nov 30, 2011 at 12:05 PM, wrote:
Are your root passwords strong?
I've always wondered why something as complex as sshd doesn't do
anything to protect you from the simplest form of attack - like
rate-limiting failed attempts.
Passwords?? Why?
Remote ro
On Wed, Nov 30, 2011 at 12:42 PM, Rob Kampen wrote:
>
>> I've always wondered why something as complex as sshd doesn't do
>> anything to protect you from the simplest form of attack - like
>> rate-limiting failed attempts.
>>
>>
>
> Passwords?? Why?
Because they are there and enabled by default..
On 30 Nov 2011, at 18:51, Les Mikesell wrote:
> Ssh is mostly about being able to log in.
I've always adopted the policy of disabling root logins, making admins
use a separate account with public/private key authentication and then
requiring them to use su to elevate privileges.
Has the advanta
On 11/30/2011 1:55 PM, Benjamin Donnachie wrote:
> On 30 Nov 2011, at 18:51, Les Mikesell wrote:
>
>> Ssh is mostly about being able to log in.
> I've always adopted the policy of disabling root logins, making admins
> use a separate account with public/private key authentication and then
> requir
On Wed, Nov 30, 2011 at 1:01 PM, John Hinton wrote:
>
> How would you automate daily logins from another server to do something
> like rsync the entire /etc directory to a backup system?
>
Key restrictions in authorized_keys
from="10.10.10.10" command="rsync -azv blah/blah/." ssh-key-info-here
On Wed, Nov 30, 2011 at 1:01 PM, John Hinton wrote:
>
On 11/30/2011 1:55 PM, Benjamin Donnachie wrote:
>
>>> Ssh is mostly about being able to log in.
>> I've always adopted the policy of disabling root logins, making admins
>> use a separate account with public/private key authentication and the
On 30-11-11 20:01, John Hinton wrote:
> On 11/30/2011 1:55 PM, Benjamin Donnachie wrote:
>> On 30 Nov 2011, at 18:51, Les Mikesell wrote:
>>
>>> Ssh is mostly about being able to log in.
>> I've always adopted the policy of disabling root logins, making admins
>> use a separate account with publi
hi
I am a happy user of CentOS since Centos 4. I very much appreciate the
effort you guys are putting into Centos 6.
I am planning to play around with the ipa-server in Centos 6.1. Now I
noticed that ipa-server is in the cr-repository. In order to install
however the pki-ca and pki-silent packages
Benjamin Donnachie wrote:
On 30 Nov 2011, at 18:51, Les Mikesell wrote:
Ssh is mostly about being able to log in.
I've always adopted the policy of disabling root logins, making admins
use a separate account with public/private key authentication and then
requiring them to use su to
On Nov 30, 2011, at 1:39 PM, m.r...@5-cent.us wrote:
> Ross Walker wrote:
>> On Nov 29, 2011, at 3:35 PM, m.r...@5-cent.us wrote:
>>
>>> I've got two drives from a now-dead server, they were RAIDed, a mirror,
>>> I'd assume. I need to see if there's anything on them I need to transfer
>>> to the
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