Wild Card SSL Certificates In Load Balanced Enviroment
Jan 30, 2007
One of our customer is looking to use wild card SSL on one of his site hosted with us, he needs clarification on following.
Quote:
We want to have load balanced site serving contents from three different Apache on different physical machines. Site needs SSL security and we will have wildcard SSL for it. However, since the CSR is generated from one apache, will the SSL certificate give errors or alerts if the request is transferred to other apache?.
This is something I am not aware of, infact no such need come thru.
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Oct 10, 2007
Can wild card SSL certs be used on multiple servers, or can they only be used on one server?
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Mar 31, 2008
We have setup and are currently testing a load balanced cluster using heartbeat and ldirectord. One of the problems we have come across is that we are unable to reliably use the same web server for connections from the same user. As a result the php sessions are getting in a bit of a muddle.
Obviously its not something that we can easily sync between servers like the customers other web content. We are looking at either storing the sessions in a database or NFS.
The site is pretty busy and we are a bit worried that when the site goes live both these options will slow everything down.
Apart from using different load balancing software is there any other solutions we could use for this? Has anyone stored php sessions in a database on a busy site or on a NFS?
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Jan 12, 2007
I just wanted to get some info on how you would go about obtaining one, what is the general cost, and how set it up. This is actually very new to me but is something I would possibly like to consider an option.
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Jul 16, 2008
I have installed ssls before but this is a once a year task and each time it comes up again I have to learn it all over again
When would I use a wild card *.mydomain.com as apposed to just mydomain.com
I hear talk also of a server wide ssl how is this possible do you create the ssl for the IP rather than the domain
What is the best way to do this on a dedicated box with WHM/cpanel to where my users have secure access to their webmail, cpanel client area etc.
I've searched the forums but i dont see much on the different uses of ssls just instructions on installation
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Oct 1, 2008
Any hosting company providing load balancing in from of 2 VM'S on separate nodes?
Look for a low cost solution to run an ATOM server on 2 separate nodes. No need for web sites, control panels, etc.
Just Jetty or apache + atom + postgres.
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May 14, 2007
I have come across a number of hosts who offer Load Balanced hosting. I know that load balancing has something to do with distributing the requests to a cluster of servers. Bu how does it actually work?
What happens if I host my website on load balance hosting provider? Will copies of my website be placed on different servers and the website will be served from the server with the least load?
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Jun 15, 2007
Has anyone any experience of using Load Balanced Clustered VPS servers?
If so who would you rate the best provider?
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Jun 16, 2007
I have set up a HA network.
Web Servers #1 and #2 have their own IPS, but share a dedicated load balanced IP via the H5 Load Balancer.
We have our domain name registered with Yahoo!
How do we point the domain name at Yahoo! to the load balanced IP?
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May 29, 2007
I currently have one server a
Dual Xeon 5130 2GHZ (woodcrest)
2GB Ram.
Running cPanel/WHM
Now I run a website that is VERY PHP & MySQL Intensive and MySQL is ALWAYS the top of the process list, hogging a ton of usage. It's getting to the point where the site is needed a second server and I know there's a few options; but I'm not sure which one would be the best.
They way I see it my two options are getting a 2nd server and setting up the two to do load balancing, or getting a 2nd server and setting one up for just Apache and the Other for MySQL and using the 2nd as a remote SQL server.
If I do the Apache on a seperate server would I need such a powerful server? And if I also would want to upgrade this server along with getting a 2nd server would I be better of upgrading to 4GB of RAM or upgrading the processors?
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Oct 29, 2007
I utilized xammp to set up a local hosting enviroment on my desktop. It included Apahe, mysql and php. Apparently php support has not been properly installed on my web server.
How do I do that?
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Jul 12, 2007
I'm have installed windows 2003 on a VMware installation as a virutal server. Now it's time to set up my customers home pages but i don't know what way that will be the best. What option do you think is the best?
1. Make a new partion inside the virutal mashine.
2. Install another virutal mashine as a file server and mount efterything from UNC network.
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Aug 15, 2007
Anyony use nginx as web server in shared hosting enviroment? maybe with some custom made control panel's?
How is about its scalability, php performance and so on?
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Jul 15, 2009
I want to create a testing environment that is a miniature replication of a full production environment for a web service. From what I understand I'll need three components:
1. A web server
2. PIX firewall
3. DB server
Is there anything else I'll need or anything else I should be mindful of? Looking forward to insight/feedback.
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Sep 7, 2008
My host [in USA] that I only use for php/mysql points to my static content CentOS server [in Japan] in my house connected to my CATV. At least for testing (outside my house) I can't notice any bad latency since my USA host just serves up small HTML code dynamically and the static content (up to 100k-500k per file) is already available inside Japan. I want to keep (and scale up, if needed) my php/mysql in USA due to language and other issues so I'm hoping (?) as the number of users goes up (or any other issues I can't think of now) latency does not become a problem just for the html. Any comment on that?
My next step to "create" balanced static hosting in Japan is to get two different VPS accounts here in Japan (on two different physical servers) and use php to randomly select which VPS will provide the static content when a user logs in. PHP will also test to make sure the static server is active. If it is down the code will direct to the other server. If my project grows I will - on the Japan side - get more VPSs or even multiple dedicated servers and use the php to manage this "balanced" system like I described.
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May 28, 2009
any recomendations in kvm cards? its for a generic 2u server.
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Oct 19, 2007
You'll see that if we ping localhost or even an ip address/url it goes funky like this.
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Feb 9, 2007
Some how eth0 interface is not coming up, when I try to restart I got the following error messsages.
/etc/sysconfig/network-scripts]# ./ifup ifcfg-eth0
msg: error : TTY devis is not owned by group 'tty'
What is the issue? anyone has any idea? How can I load network driver ?
modprobe -t net is not working.
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Apr 17, 2008
I have inbuilt Ethernet card RTL8139D , but when i install RHEL 4 or 5 , Fedora version the Ethernet card diver not installed or ethernet card not installed but when i install suse linux it working fine without any problem so can any one tell me how to install lan card on Fedora or RHEL5.I have driver in CD but it not working with it.
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May 19, 2009
How Can Active Sound Card In VMWare?
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Sep 8, 2009
I was building a 1u server a month or so ago to colocate. After screwing up the purchase of the raid card (got a pci 64 or something) its been sitting next to me not doing much. I need to go ahead and find a good raid card and get this colocated,
I have literally spent hours on Newegg, Amazon and Ebay and found nothing that really jumps out at me. When people were helping with the build before, Adaptec was recommended, but the card is now deactivated on newegg so I am looking again.
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Apr 14, 2008
I am currently using areca Raid card with Centos 5 which allows me to configure Raid 6 with SAS drives. But it is really costing a bomb not to say that the lead time in ordering the card is long. Performance wise is fantastic though. Anyone know of any cheaper alternative to areca that can support Centos 5 and Raid 6 SAS Drives?
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Mar 20, 2008
Anyone know what is a suitable SATA Raid card that supports Centos 4.4/4.6? I tried 3ware 9550 it is suppose to support Centos 4.4, but gives a kernel panic instead.
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Apr 22, 2008
Currently I am building a new server based on this chassis:
[url]
In this chassis, I am going to be using an ASUS M2NPV-VM motherboard [url], and I'll be installing a 3ware 8006-2LP RAID card.
I just want to make sure that that RAID card will work with that motherboard, and also I want to verify that the Supermicro CSE-RR1U-X riser card is the correct model for this motherboard and RAID card.
I've got a couple of basic servers built in the supermicro mini 1U (CSE-512L-260B) chassis, but I've never had to deal with riser cards before, so I wanted to make sure everything is compatible and is going to fit correctly before I purchase them.
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Jan 20, 2007
i have just installed esx server from vmware which as far as i know is a moded version of redhat. i just brought that lan card and put it in. when intsalling the os it seemed to pick it up straight away. and it wanted to use the tulip driver and infact on the driver cd tuplip is given. so i thought it was all well uptill i tried logging in through the browser insterface. it came up with nothing. so i did ifconfig which only showed the lo device. i then did a lsmod tulpis ind it brought up this.
vmnixmod size 3
mousedev
hid
input
usb-uhci
usbcore
but no network drive.
im not very good with linuk so im not sure what the interface is called. i tried ifconfig eth0 up but i dont know how to check if its called eth0 or somehting else. their is no gui just a bash.
i then tried netconfig. it worked fine and i restarted the box. it still dident come up.
so i thought maybe the driver wasent installed after all so i went to the cd and got the file off it and when i typed in make i got
gcc -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -06 -I/usr/src/linux/include -pipe -fno-strength-reduce -DMODVERSIONS -c -o pci-scan.o pci-scan.c
pci-scan.c: In function 'init_module':
pci-scan.c:558: wrning: implicit declaration of fundction 'apm_register_callback'
pci-scan.c: In function 'cleanup_module':
pci-scan.c:565: warning : implicit declaration of function 'apm_unregister_callback'
gcc -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -06 -I/usr/src/linux/include -pipe -fno-strength-reduce -DMODVERSIONS -c -o tulip.o tulip.c
tulip.c: In function 'tulip_open':
tulip.c:1488: structure has no member named 'tbusy'
tulip.c:1489: structure has no member named 'start'
tulip.c: In function 'tulip_start_xmit':
tulip.c:2607: structure has no member named 'tbusy'
tulip.c:2640: structure has no member named 'tbusy'
tulip.c: In function 'tulip_interrupt':
tulip.c:2659: structure has no member named 'interrupt'
tulip.c:2663: structure has no member named 'interrupt'
tulip.c:2744: structure has no member named 'tbusy'
tulip.c:2748: structure has no member named 'tbusy'
tulip.c:2845: structure has no member named 'interrupt'
tulip.c: In function 'tulip_close':
tulip.c:2991: structure has no member named 'start'
tulip.c:2992: structure has no member named 'tbusy'
tulip.c: In function 'tulip_get-stats':
tulip.c:3031: structure has no member named 'start'
tulip.c: In function 'private_ioctl':
tulip.c:3117: "SIOCSPARAMS' undeclared (first use in this function)
tulip.c:3117: (Each undeclard identifier is reported only once
tulip.c:3117: for each function it appears in.)
tulip.c: In function 'set_rx_mode':
tulip.c:3303: structure has no member named 'tbusy'
make: *** [tulip.o] Error 1
so now im stuck. i have no idea on what to do next.
i know this isent the speciality of thsi frum but you have helped me so many times before i thought i should give you a shot at this.
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May 29, 2007
Thinking of entry-level collocation for a 1u or 2u 1750 or 2850 server (but not a separate hardware firewall at this point) I'm wondering if I should equip it with a DRAC card on a separate switch port ($10 more per month for an extra switch port). However one concern: how secure is a DRAC card? It would seem to allow you to login with a standard username and strong password, but I still fear it could be brute forced since I'm not aware of a brute-force-detection mechanism that would run on the drac card itself.
Is the only way I can use a DRAC card and feel secure about it to also have a box in front of the DRAC card to lock down and monitor access to the DRAC's IP? Or am I worrying over nothing (I'm not very familiar with DRAC cards yet.)
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Dec 10, 2007
I've been reading more and more posts about how a quality network card is important. We build all of our servers from new, quality parts but honestly we always rely on the built in NIC on the motherboard (which are brand name motherboards, but nonetheless)
How can a lesser quality NIC effect a server other than total failure of network activity? What signs should we look for and what are quality brands? My first guess is dropped packets or low throughput. I've also heard of people saying that load can go up from a bad NIC - is there any truth to that?
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Dec 17, 2007
I was wondering if anyone has had luck with 3ware 9650's in a RAID 10 to help bring down iowait?
I currently have a VPS node that see's spikes in iowait and i'd like to bring it down. I've been considering getting a 9650 in a JBOD setup (so then I don't need to reinstall the whole node) with a battery backup to enable the cache.
My two questions are:
- In JBOD, does the write cache enable at all?
- Would the write cache help bring down the iowait much?
Drive wise we have 4 x 500GB drives in a raid10 (soft for now).
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Feb 4, 2007
I have an old server with only IDE and SCSI connectors on the mobo.
However, I have only SATA drives and no IDE available. I consider to buy an entry level PCI SATA adapter card. What do you think ? Can I install and boot Linux directly from it?
There is no raid involved.
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Oct 23, 2007
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