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• What do you do with a 15 node decommissioned Itanium cluster?

  - by Gomibushi

  We are decommissioning a 15 node Itanium cluster. We don't know what to do with it. Being geeks we want to put it (or its individual nodes) to some cool use, but since it is Itanium we are a bit unsure what that could/would be. We are not bringing it back as production servers and we are considering giving them away, if anyone wants them. It's not the most spiffy hardware, but being 2U rack servers they pack an ok amount of cpu and memory, they're about 3 years old perhaps. Ideas to what runs well on them? Or something one can use them as?

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• Virtual Windows Servers and Pagefile location [closed]

  - by Luke Puplett

  Considering that Windows makes heavy use of the pagefile even with huge amounts of RAM available, is it not best to have this pagefile on the fastest disk possible as close to the virtual systems as possible? I'm thinking, RAM disk. Where I work, storage for VMs is out on a NAS/SAN. I'm worried that so much memory access is having to go across the network! As a side, I think its about time MS got rid of paging and told us to buy more DIMMS. UPDATE So this question has been downvoted??! Accessing a local spindle is C40,000 times slower than a DIMM, so going over the network will be even slower for hard faults. I don't know why I got the downvote, I'm certain that this is an issue unless there's some other mechanism in ESX/HyperV that manages this.

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• how to disable moving down on Enter key in Excel 2007?

  - by earlyadopter

  There used to be a check-box in preferences in Excel 2003 to disable moving down on Enter key after you edited a cell. Where could I find that setting in Excel 2007? <whining on>It drives me insane how microsoft trashes users skills and "fingers" memory to make what their new users may be will find easier. What about us, using these products for ten years?<whining off> I want to control moving around with arrow keys, and Enter to only return me from the cell editing mode to navigation, not moving down. I'm not in a data entry business!! I'm analyzing data, editing just few cells time-to-time.

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• Ubuntu server 11 showing weird characters on console

  - by andySF

  I've installed Ubuntu server 11 after my last hard drive failed to perform. The install process and GRUB screen are OK but I have a problem with the console. I attached two photos because it's difficult for me to describe this issue. I have little knowledge about Linux. My server is used for git, file server, print server. I played with this command dpkg-reconfigure console-setup but no effect. It's nothing physicality wrong with my display or my memory(it's on board). I have run a memtest, and besides that withe the previous version of Ubuntu I've had no problems. The problem.

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• Firefox Task Manager [closed]

  - by chris Frisina

  CLOSED!??? I SPECIFICALLY said for OSX, and the previousquestionprovides answers for Windows and other addons are for older versions of FF, or do not answer the question. This is a specific question for OSX. Chrome has a built in task manager under "Tools" to look at the process within Chrome, extremely beneficial in locating a stuck page. What is the similar feature in firefox? I need to identify what is causing it to run slowly, and the addons they suggested dont work for OSX or are outdated, and Chrome's about:memory isn't recognizing FF FF Version 17.0, OSX version 10.8.2 Build 12C3006 How to get to Task Manager: Task Manager: THIS IS NOT A DUPLICATE OF: Possible Duplicate: “Task Manager” addon for Firefox?

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• Is it possible to run an old 16-bit DOS application under Windows 7 64-bit? [closed]

  - by NFX

  Possible Duplicate: Why 64 bit OS can't run a 16 bit application? How do I get 16-bit programs to work on a 64-bit Windows? Here at work my new development machine is Windows 7 64-bit (so I can use extra memory and run VMs). However I have a dilemma: it appears that 16-bit DOS programs do not run under Windows 7 64-bit. I have an old legacy program written in Clipper that I need to run periodically. I cannot access the compatibility setting as Windows 7 just greys them out.

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• Explanation of nodev and nosuid in fstab

  - by Ivan Kovacevic

  I see those two options constantly suggested on the web when someone describes how to mount a tmpfs or ramfs. Often also with noexec but I'm specifically interested in nodev and nosuid. I basically hate just blindly repeating what somebody suggested, without real understanding. And since I only see copy/paste instructions on the net regarding this, I ask here. This is from documentation: nodev - Don't interpret block special devices on the filesystem. nosuid - Block the operation of suid, and sgid bits. But I would like a practical explanation what could happen if I leave those two out. Let's say that I have configured tmpfs or ramfs(without these two mentioned options set) that is accessible(read+write) by a specific (non-root)user on the system. What can that user do to harm the system? Excluding the case of consuming all available system memory in case of ramfs

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• Does aria2 support write small files in batch?

  - by Jon

  I'm using aria2 to download 8 million jpg from flickr. Each image is about 100KB. I got a list of urls of these images in a txt file, the format is: http://farm2.staticflickr.com/1070/1151334893_5a8e7f77f4.jpg I'm wondering whether aria2 support writing small files in batch? Say write 100 image to disk when all of them are download in the memory, not just write every single file when the download is finished. Because I think writing in batch will better protect my hard disk. Or do you have other software or opensource code to recommend?

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• HP Deskjet 3600: Offline and won't stop blinking and won't print.

  - by George Bailey

  Using Vista and an HP Deskjet 3600 on USB connection Normally when I unplug the printer, I open the printer queue and in the title bar it says "HP Deskjet 3600 - Use Printer Offline" then the offline message will go away and it will start printing. But for some reason, the bower button light is continually blinking. (this is the only light on the machine). The printer queue says "HP Deskjet 3600 - Offline" and when I unplug it it says "HP Deskjet 3600 - Offline - Use Printer Offline". I have tried unplugging it for a few hours, also tried turning it off for a few hours. Does anybody know what the single word Offline means? Does anybody know how I can clear out the memory in the Printer? (this is my guess as to what is causing the problem)

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• Does disabling BIOS shadowing increase free RAM space?

  - by user32569

  Hi, I know in these days this is very stupid question, but for study purposes. I read that when PC starts, CPU is set to read adress just under the 4GB. There should BIOS be mapped to by memory controller. My question is, in old days, had disabling BIOS shadowing actually freed some RAM for you? I mean, even when BIOS was not shadowed to RAM directly, still adresses for BIOS MMIO access were wasted. And when you cant adress it, its like there is no extra space gained.

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• What can impact the throughput rate at tcp or Os level?

  - by Jimm

  I am facing a problem, where running the same application on different servers, yields unexpected performance results. For example, running the application on a particular faster server (faster cpu, more memory), with no load, yields slower performance than running on a less powerful server on the same network. I am suspecting that either OS or TCP is causing the slowness on the faster server. I cannot use IPerf , unless i modify it, because the "performance" in my application is defined as Component A sends a message to Component B. Component B sends an ACK to component A and ONLY then Component A would send the next message. So it is different from what IPerf does, which to my knowledge, simply tries to push as many messages as possible. Is there a tool that can look at OS and TCP configuration and suggest the cause of slowness?

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• What motherboard for a Core i7 920 Processor?

  - by jasondavis

  I am wanting to build a really nice PC, price is not to important as I will buy pieces every week or whatever it takes until I get everything I need. I am not a gamer but I would like to watch video and have 3-4 monitors. I do a lot of programming and use a lot of big programs so I would like to go all out and get a lot of Memory, probably at least 12gb but possibly more even as I see many boards support up to 24gb now. Will be using Windows 7. I have decided to go with the Core i7 920 Processor BX80601920. Based on what I posted above, can you please recommend some good motherboards I should look at ? Also some good places to purchase them online. Thanks for any help, tips, etc.

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• Server downtime - are these APC warnings the cause?

  - by DisgruntledGoat

  Yesterday I had a problem with my dedicated server (Ubuntu 10.04, LAMP). It wasn't down per se, but running incredibly slowly as if we had a massive overload of visitors (though I don't think we did). It's running smoothly again now. I've been checking through log files etc to see if I can find any issues, the only strange thing is a bunch of these errors, occurring at about the same time as the downtime: [apc-warning] Unable to allocate memory for pool. in [file] on line 49. And a bit later on: [apc-warning] GC cache entry '[file1]' (dev=2056 ino=8988092) was on gc-list for 3601 seconds in [file2] on line 746. Could these errors indicate the cause of the server slowdown, or are they simply a result of the server being slow in the first place? What would be the solution?

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• Remove postgres from Mac - installed in /usr/local/, can I just delete files?

  - by Richard

  I want to completely uninstall postgres and start from scratch - the version I have is refusing to work with PostGIS 2.0. I have read other answers on how to do this, but none of them seem to fit the way postgres is set up on this machine. I'm not sure postgres was originally installed on this machine - it wasn't via brew or Postgres.app or the EnterpriseDB installer - but it seems to be living in /usr/local: $ which psql /usr/local/pgsql-9.1/bin/psql The postgres binary itself is in /usr/local/var/postgres/. How can I kill it forever? Can I simply go to /usr/local and do rm -rf pgsql-9.1, and the same in /usr/local/var, and make sure there are no paths in my profile file? Or is there more to it than that? From memory I think I'll need to delete the database files too somehow. Thanks for the help.

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• What hardware factors may be considered bottlenecks on a Hyper-V virtual server during load testing?

  - by sean

  Our organization is load testing our application using virtual servers via Hyper-V to see what the user load can be using fair equipment on a single box setup. The developer group questioned the validity of the tests given the normal use of the box by the other virtual machines. IT admins answered that it is an acceptable platform to load test on because it has its own CPUs, memory and disks allocated. Is their answer mostly correct? What hardware factors may be considered bottle necks given the other virtual machines when testing our application? For example, would bus speed be a concern or network IO? The application consists of a windows service written using the 4.0 .NET Framework and SQL Server 2008 R2.

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• What are possible causes of keyboard lag on my desktop machine?

  - by Jer

  I am running Windows 7 and began experiencing keyboard lag in most applications, and it seems to be getting worse. Certain websites are the worst - on some, I can type a sentence, take my hands off the keyboard, and watch the characters continue to appear on the screen for several seconds. Others are not as bad, but still noticeable and annoying. I just started noticing it in non-browser applications (e.g. Outlook) as well. I've disabled all extensions in Firefox, rebooted my machine, and that did nothing. There is nothing using much memory or cpu cycles, even when the lag is occurring. This is a machine at work with very strict controls over what can be installed, so the chances of any kind of malware are very slim. I don't believe anything as been installed since before the problem started. What could be causing this, and/or what can I do to debug?

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• HAProxy being killed with more that 54,000 connections

  - by Olly

  I am trying to run HAProxy (1.4.8) on a EC2 machine running Ubuntu 10.04. I need HAProxy to be able to handle many thousands of long-running persistent connections (websockets). With the current setup HAProxy gets killed at around 54,300 connections (roughly). If I am running HAProxy in the foreground, the only output is "Killed". Am I right in thinking this is the Kernel killing the process? Is this because it is out of resources? Can I increase the resources? The CPU and memory consumption are low with 50,000 connections, so I don't suspect either of these. How can I prevent this from happening?

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• Do I need to conver the older Access Database, and, if so, how?

  - by octopusgrabbus

  I have an Access 2003 database. When I click on a pivot table, I get this message MS Access There isn't enough memory to complete the Automation object operation on the worksheet object. There is a lot of discussion concerning this message. Here is one link. http://community.spiceworks.com/topic/113228-access-2003-file-pivot-table-issue-when-opening-in-access-2010 But this particular link's explanation doesn't really go into fixing the problem in general, like fixing the pivot tables and getting things all nicely back together in the original Access database. That's why I am also interested in converting the database to 2010 format if that is possible. Are there instructions -- I cannot currently find them and would very much appreciate a link -- on dealing with this problem in a nice stepwise fashion?

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• High Lock Wait ratio in MySQL

  - by FunkyChicken

  on my site I log every pageview (date,ip,referrer,page,etc) in a simple mysql table. This table gets very little selects (3 per minute), but a lot of inserts. (about 100 per second) Today I changed this table from an InnoDB table to a MEMORY table, this made sense to me to prevent unnecessary hard disk IO. I also prune this table once per minute, to make sure it never get's too big. -- Performance wise, things are running fine. But I noticed that while running tuning-primer, that my Current Lock Wait ratio is quite high. Current Lock Wait ratio = 1 : 561 My question: Should I worry about this Lock Wait Ratio? And is there something I can change in my my.cnf to improve things so that the lock wait ratio isn't so high?

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• Proxy service likes Apache Http

  - by Aptos

  Currently I try to simulate my app as distributed servers, so I let them run on localhost:9000 and localhost:9001, i tried using apache load balancer but it is really hard to config on mac, my idea is the second server localhost:9001 will be kept ideal and the requests only be redirected to them when the first server is downed. Is there any good free program can do that ? (except Apache httpd). Extra functions: my application is written in java and maintain an in-memory object, is there any service that can synchronize that object between 2 servers so they can keep uptodate status of other (the second one takes state of the first one)? Is there any app can support that? Thank you very much.

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• Google Chrome gets really slow on 10+ open tabs

  - by Anton

  For some time already I face a problem with Google Chrome. I really love this browser, but on Windows 7 on a pretty decent machine (i5, 4GB RAM) it gets REALLY slow when I open for instance 10 techcrunch.com pages. Once I do that it becomes virtually difficult to scroll through pages and the general responsiveness of the browser gets down. And if I open 20+ or 30+ tabs there is a good chance all of them will crash. Does anyone got an idea? This happens to me on several PCs with Windows 7 64bit. At 10 tabs there is 600-700MB memory used by Chrome. Two systems have the issue are both laptops with integrated graphics. One by Intel, the other an nVidia GeForce 310M.

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• Warming up an IIS Application Pool automatically?

  - by Michael Stum

  So IIS likes to shut down app pools that aren't in use. While this makes sense, I would like to have certain app pools conterminously running, but I don't want to just disable the automatic app pool restart as some of the settings (e.g., maximum memory limit) are good to have. I know that Microsoft announced the IIS Application Warmup module as an IIS 7.5 feature only then to do a Bait & Switch and pull it again so that they can put it in IIS 8 instead, so I wonder if something exists to run on IIS 7.5/Windows 2008 R2?

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• Difference between key_buffers and recommendation

  - by Typeoneerror

  I'm looking to add a bit of memory to MySQL on a Linode VPS server on which I've got a small facebook (canvas app) PHP app using MySQL running. I'm not super familiar with MySQL optimization so I'm hoping to find a simple answer. I think I want to increase the key_buffer size (the default is 16M) to something like 32M to start, but I'm not sure if I need to tweak anything else as well. All I've done so far is increase the query_cache_size to 32M from 16M. There's also key_buffer under [mysqld] and key_buffer under [isamchk]. What are the difference between those two? If I have Linode 2048MB (http://www.linode.com) VPS, what would recommend I set the buffers to? I don't expect this site to have tons of visitors, but I'd like it to be as optimized as possible. Definitely way more heavy on the database access than PHP and very few HTTP requests.

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• Windows Server 2008 R2 Maximum Processor Limit Confusion

  - by Stevoni

  As I was looking through the Windows Server 2008 R2 specifications, I saw that the maximum supported processors is 64 sockets for Datacenter addition. This puts the maximum number or cores at 256 (if all sockets are quad cores), which I think it's just silly, but whatever. And now the questions: How does one set something like that up? (Obviously not for me, but humor me) Are there multiple dual socket motherboards running in a giant case with a ton of memory? How does the OS see all of the CPUs if they're on different boards? What would be a real world example of a need to have 64 sockets attached to one operating system vs 32 2 socket servers?

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• What would cause a query being ran from SSMS on local box to run slower then from remote box

  - by Racter

  When I run a simply query such as "Select Column1, Column2 from Table A" from within SSMS running on my production SQL Server the results seems to take extremely long (45Min). If I run the same query from my dev system’s SSMS connecting to the production SQL Server the results return within a few seconds (<60sec). One thing I have notices is if the system was just rebooted performance is good for a bit. It is hard to determine a time as I have had it start running slow very quickly after reboot but at most it performed good for 20min and then start acting up. Also, just restarting the SQL service does not resolve the issue or provide a temporary performance boost. Specs for Server are: Windows Server 2003, Enterprise Edition, SP2 4 X Intel Xeon 3.6GHz - 6GB System Memory Active/Active Cluster SQL Server 2005 SP2 (9.0.3239)

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