Source For Fans For Supermicro SC833's

Aug 7, 2009

We have a large number of the 2U SC832 and SC833 cases from Supermicro that have been real workhorses over the years and some have had various motherboards in them as time went by. All of them are 5-7 years old and we would like to keep using them, but are concerned about the fans in the power supplies getting worn out and failing. Anyone have the source for good high quality fans that would work in these 400 and 550 watt single power supplies?

Anyone have an idea of what the normal life of one of these power fans is? All of them have been in good datacenters from there first use.

Since I know there are a lot of Supermicro users on this forum I figured this would be the best place to ask.

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2u E55xx Cpu Fans

Oct 21, 2009

Any recommendations for 2u e55xx lga 1366 cpu fans? We recently put together a few systems with passive supermicro heatsinks on those cpu's and they keep overheating. I can't seem to find any decent 2u active fan solutions? What is everyone else using?

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Case Fans

Apr 12, 2007

Got a question about cases fans but know someone will have a laugh at me about this.

We have recently moved from 1u supermicro cases to matx cases to lower the general server cost. We realised that we wouldnt fill 2/3 of a rack if we used 1u (16 amps power would be hit) and it was just logical to use matx.

One worry is the heat factor so was looking at some powerful fans. The one place I know where to get them from is our dyanatron supplier but I am left very confused. You always see on fans they use 0.3amp/12v (for example) but how much does that work out to be at the final power usage? this goes for the same in watts. Are fans something you have to worry about in the long run or do they make a non exsiting dent into a racks amp usage?

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Fans For Server Rack Case

Oct 6, 2009

I have a 6RU rackmount server cabinet, which I am putting a 1RU server inside.

I am wanting to put some fans in the metal cabinet, to bring in cool air, and let out warm air.

Does anyone know where you can find these sorts of fans?

Because the server inside the rack cabinet is closed, I can't use a fan with a Molex connector.

I haven't seen any case fans that use a usb connector, or just a normal power outlet connector.

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Kernel Source Install Help Needed On Fc6 X64I Am Trying To Install The Kernel Source.

May 13, 2007

I am trying to install the kernel source.
I have downloaded kernel-2.6.20-1.2948.fc6.src.rpm
I am using fedora 6 64bit.
here are my current kernels:


here is what I seen when I installed kernel-2.6.20-1.2948.fc6.src.rpm

rpm -ivh kernel-2.6.20-1.2948.fc6.src.rpm
1:kernel warning: user brewbuilder does not exist - using root
warning: group brewbuilder does not exist - using root
warning: user brewbuilder does not exist - using root
########################################### [100%]
warning: user brewbuilder does not exist - using root
warning: group brewbuilder does not exist - using root

then when I ran:
rpmbuild -bp --target=$(uname -m) /usr/src/redhat/SPECS/kernel-2.6.spec

I seen this error:
+ Arch=x86_64
+ make ARCH=x86_64 nonint_oldconfig
In file included from /usr/include/sys/socket.h:35,
from /usr/include/netinet/in.h:24,
from /usr/include/arpa/inet.h:23,
from scripts/basic/fixdep.c:117:
/usr/include/bits/socket.h:310:24: error: asm/socket.h: No such file or directory
make[1]: *** [scripts/basic/fixdep] Error 1
make: *** [scripts_basic] Error 2
error: Bad exit status from /var/tmp/rpm-tmp.93770 (%prep)

I need to have this installed to get a app installed etc...
suggestions or ideas?

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XFP Source?

Oct 17, 2009

I'm under the gun, and looking for a source for 40km and 80km XFPs (e.g. Finisar, Agilestar), who keeps them in stock and at a good price. I prefer to work with vendors who are subject to US law.

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XEN Source Max Ips

Jun 21, 2007

Does xensource support more than 3 ips per domU?

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APC Cabinet Source

Jul 31, 2009

Anybody have a good source for APC cabinets? I need a full truck-load of AR3100.

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Open Source SAN

Apr 14, 2009

I bought two Dell R200 because they was extremely cheap.

My target is Open Source SAN with active/passive setup.

Now i was wondering what RAID-level I should go for.

I will use 1TB SATA-II disks.

1) RAID-1 in both servers and mirror each other with DRBD.
With this setup i have like double RAID-1 so i lose lots of disk space.
4 disks -> 1TB

2) No-raid at all and i will mirror data with DRBD.
4 disks -> 2TB

Then there is change to go for RAID-5. Theres enough space to put third disk in that case

3) RAID-5 in both servers. Mirrors data with DRBD.
6 disks -> 2TB but more performance.

But in every setup i lose space more then i would like to.

Actually i dont need space more then 1TB, but i would like to get best possible redundancy and most space available i could.

Also need to remember that those servers does not support hot-plug HDs so in case there is disk-failure i need to be able to shutdown one server and iSCSI should still be up and running.

Of course theres change to make it active/active.

I was thinking that if I go for the RAID-5 I will make LVM-VG on both nodes (san-vg1 and san-vg2) and use it 50/50.

In case of fail both VG's will be used from working node.

Im going to use Debian Lenny I guess..

I was looking for OpenFiler because of the GUI, but im familiar with Debian and have always done everything from cmd.

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Apt-get Php5 Or From Source

Jan 20, 2008

Running ubuntu server 6 if I apt-get php5 the version I get is 5.1.2.

Now the latest version on the site is 5.2.5.

Does it really make much of a difference if I'm slightly below current? What are your thoughts please?

I know if I go compiling from source php and mysql are difficult to get working together which is why I like the apt-get method.

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Website Source

Sep 25, 2007

Website source is a great hosting company! They host up to 8 domains for $107.00.. They have great customer service and they offer 24 hours online support.

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Open Source A/V

Sep 22, 2007

an A/V kind of solution, that allows me to use my own custom signatures, etc. just wondered if such a thing existed.

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Php Source Code

Jun 10, 2007

does anybody have a script that can veiw the php source code before it runs to the server of an external site

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Open Source FTP Client

Oct 1, 2009

I am looking for a opensource ftp client so I don't have to license a million computers with it. Any body have any good ones they can list?

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Uninstall Dovecot From Source

May 7, 2009

I have installed dovecot from source some time ago. Now i require it to be thoroughly removed. regarding the procedure for a proper uninstall.

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Commitment To Open Source

Aug 28, 2009

Natcoweb offers Commitment to Open source - can you explain to me what it means?
Can't understand that statement.

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Jsp Displays Source Code

Mar 10, 2008

Some JSP pages display the source code. Some work and some don't even after recompiling apache with tomcat module and restarting jsp.

-rw-r--r-- 1 user user 6.5K Mar 10 17:18 index.jsp

Not sure where the jsp logs are, but there were no errors in the domlogs.

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Netscaler And Open Source

Nov 20, 2008

if anyone replaces a commercial program with their own open source as for eg what Friendster did. For Netscaler, any open source development that are close are similar to it?

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Ioncube Vs. Source Guardian

Dec 10, 2008

Which PHP encoder do you all suggest out of Ioncube and Source Guardian? Or possibly another if you know a good one. I checked out Zend Encoder, but its expensive as hell.
Currently I'm thinking about Ioncube. I know the majority of web hosts have ioncube loader installed, but I'm not sure about source guardian.

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Lighttpd Source Configure

Aug 20, 2007

when I compile lighttpd from source -- I cannot seem to enable/disable the modules I need.

I have tried
./configure --without-status --with-rewrite

and also
./configure --disable-status --enable-rewrite

but no luck. The rewrite flag may not work since the configure script may or may not detect the pcre library, but status should be disabled.

After the configure script is complete, I get a listing of the enabled/disabled modules that are in the build and nothing new has been changed.

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Removing A Source Installation

Jul 25, 2007

if a program is compiled and installed (configure -> make -> make install) with a --prefix pointing to an empty subfolder, then would removing it be just a simple delete the folder and it's contents action ($rm -fr subfolder/).

Ok so lets say I was to install php from source with a complile prefix flag set to /usr/local/php

Then all the binaries and configuration files are set within the directory (php/conf , php/bin). If I want to delete the php installation then I would just remove the /usr/local/php directory, No?

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Good Source Of Bandwidth In San Antonio

Apr 29, 2008

Thinking very seriously about revolutionizing the ISP market, starting with WiMax-based service in the Texas hill country, as I'm tired of the basic monopoly outside of town and the near-monopoly in town for halfway decent access. Anyhow, I plan to get Cogent FastE for the main backbone, however I know I need something else in case some spat starts between Cogent and someone else (Level3, France Telecom, Telia). Internap is in Austin I know, but Cogent has a POP in San Antonio which is much closer to where I'm going to deploy the network. Any options in the Internap price range for maybe 20 Mbit to start? Yeah, I know that the price of the "backup" connection may be more than that of the main line, but if people want their WoWwebetc. I want to live up to that promise.

Thanks in advance. If I gotta use Internap I'll do that, but again that means setting up a link in the opposite direction to what I'm thinking right now. The ultimate answer would be something relatively inexpensive (sub-$100 per Mbit with 20 Mbit commit) relatively close to one of Cogent's San Antonio data centers. Cogen't bandwidth deals are awesome, but with one peering argument per year or so a backup seems needed.

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Open Source Hosting Solutions

Oct 20, 2009

I have been getting multiple emails a month for a service which I have never purchased.

The information they have harvested off the internet (since I know where they found it) and have obtained solely for use in attempting to charge me is-
Invoiced To
Steven Crothers
12345 Main St.,
Detroit, MI, 48021
United States

Which is completely obvious that it is fake.

I respond to EVERY invoice with a cancelation request, yet the tickets that get opened in the WHMCS billing panel get deleted a day later, however I have tickets in there that I have opened by use of the ticket insertion form that have stayed - none of which were ever answered.

The latest ticket information-
Department:Billing And Invoicing
Date:09/10/2009 10:05
Subject:The Second Time...

It's still open without a reply.

I have put tickets into their Kayako system as well (They have two support systems, I would assume its due to poor management of their company). One of which was answered, with simply the output of `uname -a` on some server somewhere with my name as the hostname.

I than have attempted to reach anyone via livechat at [url]they constantly tell me that I am not allowed to speak to anyone until I pay my bills up to current (now remember, I have NEVER ordered anything from them, they don't even have valid information on file). Just tonight I demanded that I required to speak to a billing agent or I would be pressing harrasment charges against them for the 23 emails I have recieved in 3 months from them trying to extort money from me. They than banned me from their LiveChat software.

I have no idea what to do at this point, they are just sending me bills every month. I mark it as spam, but its frustrating to have a company trying to extort money from me on a very regular basis.

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Open Source Web-based Interface

Apr 7, 2008

What is the best open source web-based interface for system administration for Unix?

I found one named Webmin but I'm not sure if this is a stable project.

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Can't Locate Local Spam Source

May 3, 2007

My server running and update CentOS 4.4. In the last hours lot of spam are being send form my server to the world. I'm unable to locate the source.
Sendmail is define to relay localhost, and it seems that the source is local!

It seem that all the email are send from to
Sendmail is configure to accept for local delivery mail for domain
Here is trace of spam session:


May 3 14:39:51 active sendmail[17696]: NOQUEUE: connect from []
May 3 14:39:51 active sendmail[17696]: AUTH: available mech=CRAM-MD5 DIGEST-MD5 PLAIN ANONYMOUS LOGIN, allowed mech=EXTERNAL GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: Milter: no active filter
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- 220 ESMTP Sendmail 8.13.1/8.12.8; Thu, 3 May 2007 14:39:51 +0300
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: <-- EHLO
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- Hello [], pleased to meet you
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- 250-ENHANCEDSTATUSCODES
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- 250-PIPELINING
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- 250-8BITMIME
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- 250-SIZE
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- 250-DSN
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- 250-ETRN
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- 250-AUTH DIGEST-MD5 CRAM-MD5
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- 250-DELIVERBY
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- 250 HELP
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: <-- MAIL From:<> SIZE=133
May 3 14:39:51 active sendmail[17696]: ruleset=trust_auth,, [], reject=550 5.7.1 <>... not authenticated
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- 250 2.1.0 <>... Sender ok
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: <-- RCPT To:<>
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- 250 2.1.5 <>... Recipient ok
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: <-- DATA
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- 354 Enter mail, end with "." on a line by itself
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: from=<>, size=410, class=0, nrcpts=1, msgid=<>, proto=ESMTP, daemon=MTA, []
May 3 14:39:51 active sendmail[17696]: l43Bdpg2017696: --- 250 2.0.0 l43Bdpg2017696 Message accepted for delivery
May 3 14:39:51 active sendmail[17696]: l43Bdpg3017696: <-- QUIT
May 3 14:39:51 active sendmail[17696]: l43Bdpg3017696: --- 221 2.0.0 closing connection

It seems the spam message BCC contain a lot of victims address, that not from mydomain.

Is some one connect form outside and spoof ?

If it local process, ho do I locate it?

I scan /tmp and my web server root for suspicious file and didn't find nothing!

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How Many CS-Source Players This Server Could Handle

Feb 28, 2007

how many players you would estimate the following server could handle running Counter-Strike Source dedicated Server?

Dell PowerEdge 1550 1U Rackmount Server
1Ghz P3 Processor -
2X36Gb U160 SCSI Hard Drives in RAID1 for redundancy
Windows 2000 server
Network connectivity is 100mbit in a London DC.

Of course its not possible to give a 100% accurate figure however i would like a rough estimate prior to me purchasing this machine.

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Source For C19 Power Cords In Toronto

Jun 4, 2007

Does anyone know of a source for power cords in Toronto with a
C19 connector on the output end?

The preferred configuration is

input: NEMA 5-15P (regular 15 amp plug)

output: IEC C19

The C19 looks like this:

-- --

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HP ProLiant Vs SuperMicro

Apr 13, 2008

I have many years of experience with Intel (SR1325, SR2200, SR2300, etc) and HP ProLiant DL servers, and have come to love HP. Their ILO2 remote management/power/KVM/VirtualMedia feature is hands-down the best I've used, and for me it's been 100% rock-solid reliable (unlike the horror stories heard about Dell DRAC cards flaking out and locking up when you need them most).

Now there's something shiny catching my eye-- the Supermicro 1U Twin systems.

Given my long positive history with HP, I'm reluctant to consider another brand, but it is hard to ignore double-density servers with colo prices (rackspace costs, not just power costs) spiraling upward.

I would love to hear from folks who have used both HP and Supermicro boxes in production. Specifically, about reliablity of the Supermicro platform in general AND about the reliability of their IPMI management modules even under Murphy's Law situations. The last thing I need is not to be able to remote-console or power cycle an unresponsive server because the IPMI card is flaky.

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Supermicro // Dell // HP

Jul 22, 2009

I know this topic has been brought up before and I wanted to revisit this again. We are a growing hosting company looking to expand our Dedicated server offerings. So far, we have been renting servers and reselling but now we have begun colocating our equipment and are looking for hardware vendors.

Would you recommend us to... our own servers using the Supermicro platform?
...purchase pre-built servers from Dell?
...purchase pre-build servers from HP?

Pricing is of major concern along with speed to provision new orders. Although we don't have a dedicated resource for putting together servers, this is something we can look into should the volume of orders increase. Scalability and Flexibility is a MUST

Thanks for chiming in...

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SuperMicro Airshroud

Jul 11, 2009

Looking at 512L-260B's with some good old SuperMicro P4SCi's in there.

Is the MCP-310-18009-0N the airshroud I need for it?

If so, will it also work if I was to upgrade to something like an X7SBL-LN1?

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