Re: [CentOS] load balancer recommendations

2013-01-23 Thread Corey A Johnson

On 1/23/2013 12:22 PM, Bowie Bailey wrote:
> On 1/23/2013 10:57 AM, m.r...@5-cent.us wrote:
>> Bowie Bailey wrote:
>>> On 1/20/2013 10:12 AM, Nikolaos Milas wrote:
 You'll undoubtedly find more material on the iNet, but I hope the above
 may serve as a starting point.
>>> The iNet?  Wow, Apple's getting into everything these days...  :)
>> I think he meant the Inet. 
>>
>> Missed the beginning of this thread, but if this is about serious hardware
>> load balancers, a few years ago, where I was working, we bought one from
>> Radware - less expensive than F5, and a very nice box, very configurable.
>>
>> ObBias: as I worked closely with the sales engineer setting it up, and got
>> friendly with him, I'd be glad to get you in touch with him
> We're using a Foundry ServerIron.  Works well for us.
>
> But the OP was asking about a software load balancer.
>

I am a little late to the party on this one.  So please excuse me if
someone else has recommended HAproxy.  I have been using it in a few
production deployments, running it in a VM.  Has been rock solid.

-- 


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Re: [CentOS] increase harddisk diskspace Failed to suspend LogVol00

2011-06-02 Thread Corey A Johnson



On 6/2/2011 1:13 PM, Manu wrote:


Hi,

I want to increase my harddisk space and receive the following error

# lvextend -l +323 /dev/VolGroup00/LogVol00

  Extending logical volume LogVol00 to 48.97 GB

  device-mapper: reload ioctl failed: Invalid argument

  Failed to suspend LogVol00




Try:
lvextend -L +10G /dev/VolGroup00/LogVol00

upper case L

Looks like you have 10.09GB free.


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Re: [CentOS] Centos 6 Update?

2011-04-07 Thread Corey A Johnson
On 4/7/2011 11:00 AM, Eduardo Grosclaude wrote:
> On Thu, Apr 7, 2011 at 08:52, Rudi Ahlers  wrote:
>> On Thu, Apr 7, 2011 at 1:50 PM, Anton Parol  
>> wrote:
>>> Racism in open source software. That's the first time I've seen that. 
>>> Regardless of your dislike for someone, even if legitimate, comments like 
>>> that are NOT acceptable.
>>> I suggest you make a swift and sincere apology.
>>>
>>> CentOS is free, and you get what you pay for. If you don't like it, fork 
>>> and make your own efforts.
> I am receiving more than that. In fact, I have received from the
> CentOS project more than what I could have payed for. And I keep
> getting even more through the mailing list, wiki, and forums. Every
> single day. These people are priceless and don't deserve to be
> submitted to the harshness we have been witnessing lately.
> I suggest we write up a blurb in the wiki or somewhere explaining the
> full "When it's ready" case --in the point of view of those
> responsible for the project, who's else?
> And then, never, ever again, answer these questions with anything but
> a link to that page.
>
had to give this one a + (1 * (infinity))

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Re: [CentOS] Air Conditioning - ON!

2011-02-21 Thread Corey A Johnson


John Hinton wrote:
> All,
>
> (and please do not turn this into the next long thread)
>
>   


I am not a man of many words.. and i am usually very quiet on this 
list.  But would just like to say that i appreciate all the CentOS team 
members immensely.   I sincerely thank you all for the time you put in 
to what i consider the best free Linux distro available.

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Re: [CentOS] cloning a server

2011-01-20 Thread Corey A Johnson
PA wrote:
>
> Hi, I have a centos 5 (current) mail server that I have compiled 
> dovecot/postfix and installed some packages like mysql etc. These 
> packages have been configured and changed to my liking. How can I now 
> save all this and install it on another server without having to do 
> all the work of compiling installing and configuring the same 
> applications. Is it possible to burn this server image into multiple 
> DVD’s make it bootable and then install on another server.
>
> Basically I want to clone this server and make it easy to install on 
> another similar hardware server without having to install centos and 
> then manually installing/configuring dovecot/postfix/mysql etc. Not 
> sure if I can create a bootable ISO that will install on new servers 
> or what my options are. I would appreciate any suggestions.
>
> Paul
>
We use Clonezilla for this sort of thing.

http://www.clonezilla.org/

Have had decent success with this.
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Re: [CentOS] route question

2010-05-14 Thread Corey A Johnson
I am trying to get my two WAN ethernet connections into one box to work.
> Eth2 is cable, eth1 is T1 and eth0 is office LAN. Eth2 works just fine.
> connections on eth1 dont seem to go anywhere.
>
> I thought it was the routing based on route -n info.
>
> I am also using iptable to preroute and postroute.

What exactly does not work?  Connecting to what destination IP?  Your 
default route is pointing out eth2.  So any traffic to a non-directly 
connected network will go out eth2.  (without some additional static 
routes)  What are you trying to accomplish?
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Re: [CentOS] route question

2010-05-14 Thread Corey A Johnson

>> GATEWAY=74.223.8.177 on /etc/sysconfig/network file ?
>>   
>> 
> Actually I have that in the ifcfg-eth1 and ifcfg-eth2. And this is hte 
> route I get.
>
> DEVICE=eth1
> ONBOOT=YES
> BOOTPROTO=static
> IPADDR=74.223.8.179
> NETMASK=255.255.255.240
> GATEWAY=74.223.8.177
>
>
> DEVICE=eth2
> ONBOOT=Yes
> BOOTPROTO=static
> IPADDR=24.123.23.170
> NETMASK=255.255.255.248
> GATEWAY=24.123.23.169
>
>  route -n
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric RefUse 
> Iface
> 24.123.23.168   0.0.0.0 255.255.255.248 U 0  00 eth2
> 74.223.8.1760.0.0.0 255.255.255.240 U 0  00 eth1
> 192.168.1.0 0.0.0.0 255.255.255.0   U 0  00 eth0
> 169.254.0.0 0.0.0.0 255.255.0.0 U 0  00 eth2
> 0.0.0.0 24.123.23.169   0.0.0.0 UG0  00 eth2
>
>
> I dont want 74.X traffic going out 24.X network. I want it going back 
> out the 74.X network.
> How do I setup the ifcfg-eth files so the GW above will route back out 
> the correct gw?
>
> Jerry
>
>
>   
Traffic will already route out the appropriate interface for a directly 
connected network.  So packets to an IP on the 74.223.8.176/28 subnet 
should route out eth1 and packets to the 24.123.23.168/29 network will 
route out eth2.

Are you trying to route other subnets within the 74.X.X.X out eth1?

Cj
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