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• All applications quit when printing on imac OS 10.5.8

  - by Tamany

  Hello and hoping someone might be able to help. Recently ran software update (not sure if problems are associated with this but pretty sure they are as i printed successfully before update. checked log at time of printing: any thoughts on how to fix this? THANKYOU!! 03/05/2010 22:03:15 Microsoft Word[697] * -[NSCFString _getValue:forType:]: unrecognized selector sent to instance 0x17a82b50 03/05/2010 22:03:15 [0x0-0x51051].com.microsoft.Word[697] Ignoring Quickdraw drawing between QDBeginCGContext and QDEndCGContext 03/05/2010 22:03:16 [0x0-0x51051].com.microsoft.Word[697] Ignoring Quickdraw drawing between QDBeginCGContext and QDEndCGContext 03/05/2010 22:03:16 [0x0-0x51051].com.microsoft.Word[697] Ignoring Quickdraw drawing between QDBeginCGContext and QDEndCGContext 03/05/2010 22:03:16 [0x0-0x51051].com.microsoft.Word[697] Ignoring Quickdraw drawing between QDBeginCGContext and QDEndCGContext 03/05/2010 22:03:16 [0x0-0x51051].com.microsoft.Word[697] Ignoring Quickdraw drawing between QDBeginCGContext and QDEndCGContext 03/05/2010 22:03:16 [0x0-0x51051].com.microsoft.Word[697] Ignoring Quickdraw drawing between QDBeginCGContext and QDEndCGContext 03/05/2010 22:03:17 [0x0-0x51051].com.microsoft.Word[697] Mon May 3 22:03:17 leopards-imac-2.local Word[697] : The function CGPDFDocumentGetMediaBox' is obsolete and will be removed in an upcoming update. Unfortunately, this application, or a library it uses, is using this obsolete function, and is thereby contributing to an overall degradation of system performance. Please useCGPDFPageGetBoxRect' instead. 03/05/2010 22:22:09 Microsoft Word[697] * -[NSCFString _getValue:forType:]: unrecognized selector sent to instance 0x1b036500

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• Cross-forest universal groups on Windows Server?

  - by DotGeorge

  I would like to create a Universal Group whose members are a mix of cross-forests users and groups. In the following example, two forests are mentioned (US and UK) and two domains in each forest (GeneralStaff and Java): For example, the universalDevelopers group may comprise of members from UK.Java.Developers and US.Java.Developers. Then, for example, there may be a group of universalSales which contains the users UK.GeneralStaff.John and US.GeneralStaff.Dave. In UK forest at the minute, I can freely add members and groups from the UK. But there is no way to add members from the US forest, despite having a two-way trust in place... e.g. I can login with US members into UK and vice-versa. A further complication is that, with a Universal group in the UK (which contains three domains), I can only add two of the three. It can't see the third. Could people please provide some thoughts on why cross-forest groups can't be created and ways of 'seeing' all domains within a forest. EDIT: This is on a combination of Windows 2003 and 2008 server. Answers can be regarding either. Thanks!

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• MySQL partition "full"?

  - by gdea73

  I have a server that runs Debian 6.2, with Apache, PHP5, and MySQL. Well, I hadn't done anything with MySQL at all so far, just Apache and PHP; I must have installed it (mysql-server) at some point along the line, and I decided to login to the database for the first time a couple days ago as I was considering using the database for a future website project. I noticed that the "root" user had a password, and I didn't recall having set one. My usual root password was incorrect. So I attempted to reset the password. sudo service mysql stop (stopped successfully) sudo /usr/bin/mysqld_safe --skip-grant-tables --skip-networking & started successfully, from what I can tell. However, mysql itself returns "Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld,sock' (2)", and additionally sudo service mysql start returns "/etc/init.d/mysql: ERROR: The partition with /var/lib/mysql is too full! ... failed!" df -h tells me that / is 26% used, a 20GB partition, and /home, roughly 900GB, has only 5% usage. On a potentially related note, I've been experiencing random hangs since I noticed this problem, my tty2 randomly froze several times while idle, and the entire system is suddenly unstable. gnome-terminal also does not open. (Gnome-terminal apparently works now, disregard that part, but the server is still being somewhat unstable, I randomly lost connection when I was SSHed into it from my laptop, twice now.)

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• Solid State Drive Occasionally Freezes For A Minute While OS Is "Beach Balling"

  - by Boris_yo

  Almost a month ago I bought Intel 330 128GB solid state drive, migrated my data with Intel branded limited-feature Acronis from old HDD to new SSD, optimized with Intel Toolbox and started using it. Occassionally I get close to 1 minute freezes while seeing operating system "beach balls" and animations still work, I can interact and click on something but nothing responds, nothing loads. Recently a couple of such freezes occurred in shorter amount of time in a row. I have noticed that if I stop interacting with laptop, the freeze lasts less time than if I was interacting with laptop. But the bigger problem is when freeze just does not end and computer keeps being stuck unlil it is more than half hour and I run out of patience to keep waiting and feeling I need to restart the system because I am not getting anywhere. Such freeze happened while laptop was cold booting into Windows 7. This is when freeze hang occurred and I had to restart, only later to be greeted with Windows recovery screen stating something about faiure of boot sector and asking to insert Windows repair CD. But after I restarted, Windows booted successfully and all was well. I have filmed video of freeze hang occurring in cold boot which you can see here (on video page look below for description): http://www.youtube.com/watch?v=8b7MQlcDTUs As I have mentioned in the beginning, the SSD is less than a month old but here is S.M.A.R.T statistics just in case (TRIM is enabled btw according to CrystalDiskInfo): I want to emphasize that this SSD is the only drive I have, yet it is working in RAID mode (it was enabled initially in BIOS by previous laptop's owner) on Intel Rapid Storage drivers. I am contemplating about switching to AHCI mode but want to be sure this won't cause data loss. Additionally, the stock firmware is the only firmware available currently, yet Intel does not respond to my posts in their community board. If anyone here has this SSD model or generally has experience with SSD drives, I would love to know your thoughts.

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• Why would my wireless cut in and out every minute or so?

  - by Strilanc

  I've been having problems with my wireless. I moved to a new apartment, and the wireless seems incredibly unreliable. Sometimes it will be stable for hours until, all of a sudden, it starts cutting in and out. I'll get 30-90 seconds of normal behavior, then 5-30 seconds of nothing, then repeat. Sometimes the connection will stop working entirely, until I power-cycle the router. It is extremely, extremely annoying. Surfing the web isn't too bad, assuming you can stand the random 5-30 second waits. But some connections are sensitive enough to timeout, and it certainly makes multiplayer games unplayable. Facts: I confirmed the problem using ping google.com -t. I get normal traffic, interspersed with bursts of "Request timed out.". I've never had this problem before with this laptop. I didn't bring my own router or modem to the apartment. I'm using what the old tenant had. Hooking directly to the modem via an ethernet cable results in a stable connection. Temporarily cutting power to the router sometimes fixes the problem. Sometimes it doesn't. I reset the router, but the problem remained. Apparently the previous tenant had issues with the internet, but I don't know what they were specifically. The router is a D-Link DIR-615, and their tech support is useless.

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• Can I use a Drobo FS over the internet? -Or alternative?

  - by SeniorShizzle

  I have a lot of files. A HUGE Aperture library, lots of design work from Photoshop, and a rather large iTunes library too. I really want to get a Drobo FS, the networked one, to store all of my stuff on, so that I can get to it from my MacBook Air (which obviously with its minuscule 64GB drive can't hold my Aperture library by itself) and my iMac which is my main powerhouse. The dealbreaker for me is that I NEED to be able to access my Aperture library, and especially my iTunes library from across the internet. I understand that it will probably be slow and everything, but there's nothing else I can do besides hauling around a huge hard drive with me. So, is there any way I can somehow share my Drobo across the internet, on a VPN or something? My other alternative is to upload everything to my web host, FatCow, which offers unlimited disk space (something I hope to make them regret) and then access it using Expandrive. My only thoughts with this are that with the Drobo, any work that I do locally will be much snappier than if I have to work everything off the cloud. Any suggestions about alternatives would also be welcome.

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• Internet Troubles - PPPoE vs PPPoA?

  - by AkkA

  I have been having some internet troubles at home (ADSL2+ connection in Australia). We get random drop-outs from the authentication connection. It will keep the connection to the DSL service, but we lose authentication and either have to restart the router/modem (its combined, a Belkin one, not sure on model number) or unplug the phone cable, wait about 30 seconds and plug it in again. I've called the ISP (Telstra) a few times, but they only offer limited support when we dont use their supported hardware. Apparently something had happened on their side, they checked the box again (at least it sounded that simple), and told me it would be fine. It wasnt. I've replaced all the filters around the house, but that didnt help either. We do live a little bit away from the exchange (get a sync speed of about 3000/900), so I thought it could be due to line noise but that hasnt helped. Telstra allow both PPPoE and PPPoA connections (which I'm configuring through my router, dont have software on the PC side). I've been running PPPoA the whole time, would it make any difference changing it to PPPoE? If not, are there any other theories as to why we would be experiencing these drop-outs? It has been fine for at least 12 months, then suddenly started about 2 months ago.

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• Why does my DSL modem now need a reboot each time for my laptop to connect?

  - by msorens

  I have a rather peculiar home networking issue. For sometime my home network was purring along fine. I could turn on either of my laptops and they would quickly find and connect to my DSL modem (and thence the internet). Several days ago I unplugged my DSL modem for the first time in months. Upon turning it back on and waiting for the boot to finish, the lights on the panel indicated the DSL modem was fully operational, just as before. But that's not what happened. Not at all. Now when I turn on my Win7 laptop, the network icon in my system tray shows a small starburst; hovering over it the tooltip states "Not connected; connections are available". Clicking it lists several nearby networks including my own network showing a strong signal. If I click to connect, it attempts a connection but then I get a dialog stating "Windows was unable to connect to MyNet.". Turning off wireless on my laptop and turning it back on yields no difference. Running the network troubleshooter (which includes doing a repair on the network connection) yields no difference. The only remedy is to reboot the DSL modem (i.e. unplug it, wait a few seconds, then plug it back in). As soon as it goes online my laptop finds it and connects properly. To add one more twist to the story, this happened to me once before, several months ago. After a couple weeks, the situation resolved itself(!). Everything started working properly again, due to nothing I did. Final note: this problem only affects the wireless connection to the DSL modem. My desktop computer, connected via hardline to the DSL modem, connects fine when I turn it on. Any thoughts on why this is happening or how to fix it?

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• Dell PS/2 Keyboard Stops Working Randomly After Power Disturbance

  - by Kenneth Murphy

  I have a Dell PS/2 keyboard connected to a desktop PC running Slackware 12.2 & Windows XP. After a recent, brief power outage/disturbance at my home, the keyboard has begun to quit working at random times. It has stopped at POST, but not by keyboard error -- I have to press the F1 key to continue booting, and at times the keyboard has already stopped working. Other times, the keyboard will work perfectly for a long time (a day or more) before it finally quits. It has stopped at boot, in Windows XP, and in Slackware. The led lights continue to work regardless. I have tried another PS/2 keyboard and it seems to be immune to this problem. The USB mouse always works. Does anyone have any ideas about how this might have happened? If this is related to the power disturbance that killed the power to the running PC, is it feasible that it would have only fried the keyboard itself (which still works sometimes) and not the PS/2 port nor anything else? I have experienced no other problems since the event.

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• SharePoint extranet security concerns, am I right to be worried?

  - by LukeR

  We are currently running MOSS 2007 internally, and have been doing so for about 12 months with no major issues. There has now been a request from management to provide access from the internet for small groups (initially) which are comprised of members from other Community Organisations like ours. Committees and the like. My first reaction was not joy when presented with this request, however I'd like to make sure the apprehension is warranted. I have read a few docs on TechNet about security hardening with regard to SharePoint, but I'm interested to know what others have done. I've spoken with another organisation who has already implemented something similar, and they have essentially port-forwarded from the internet to their internal production MOSS server. I don't really like the sound of this. Is it adviseable/necessary to run a DMZ type configuration, with a separate web front-end on a contained network segment? Does that even offer me any greater security than their setup? Some of the configurations from a TechNet doc aren't really feasible, given our current network budget. I've already made my concerns known to management, but it appears it will go ahead in some form or another. I'm tempted to run a completely isolated, seperate install just for these types of users. Should I even be concerned about it? Any thoughts, comments would be most welcomed at this point.

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• Cisco IOS BVI ACL: Only allow established UDP

  - by George Bailey

  Related: Cisco IOS ACL: Don't permit incoming connections just because they are from port 80 I know we can use the established keyword for TCP.. but what can we do for UDP (short of replacing a Bridge or BVI with a NAT)? Answer I found out what "UDP has no connection" means. DNS uses UDP for example.. named (DNS server) is lisenting on port 53 nslookup (DNS client) starts listening on some random port and sends a packet to port 53 of the server and notes the source port in that packet. nslookup will retry 3 times if necessary. Also the packets are so small that it does not have to worry about them coming in the wrong order. If nslookup receives a response on that port that comes from the servers IP and port then it stops listening. If the server tried to send two responses (for example a response and a response to the retry) then the server would not care if either of them made it because the client has the job to retry. In fact.. unless ICMP 3/3 packet gets through the server would not know about a failure. This is different from TCP where you get connection closed or timed out errors. DNS allows for an easy retry from the client as well as small packets.. so UDP is an excellent choice because it is more efficient. In UDP you would see nslookup sends request named sends answer In TCP you would see nslookup's machine sends SYN named's machine sends SYN-ACK nslookup's machine sends ACK and the request named's machine sends the response That is much more than is necessary for a tiny DNS packet

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• PS3 controller -> PC -> emulators -> TV

  - by abrereton

  I'm researching a media PC for the living room. Playing videos, audio and streaming Internet is straightforward enough. I would also like to run a gaming console system. I was wondering if anyone has any thoughts on this. So far I've discovered that a PS3 controller (thankfully it uses USB and Bluetooth) can be connected to a PC. I've also found that MAME, MESS and PCSX2 are all the emulators I need (I can even emulate a TI-83 calculator with MESS). These emulators can re-map keys, so for example I can make the Nintendo's A button to the PS3 X button, or the SNES key pad could be the PS3 keypad or the analog stick. There are also front-ends to these emulators which can do fancy things like image scaling, anti-aliasing and double-buffering to improve the image quality of an 8-bit Mario on a 50 inch plasma. My set up would be this: PS3 controller connecting over Bluetooth to the PC, PC with Windows, PS3 controller drivers, all my emulators, Network drive with all my ROMs, PC connected to TV via HDMI TV playing Super Mario Kart Does this sound feasible? Does anyone have experience of doing anything like this? Is this a good idea or should I grow up and stop living in the past?

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• KVM error with device pass through

  - by javano

  I am running the following command booting a Debian live CD passing a host PCI device to the guest as a test and KVM errors out; kvm -m 512 -boot c -net none -hda /media/AA502592502565F3/debian.iso -device pci-assign,host=07:00.0 PCI region 1 at address 0xf7920000 has size 0x80, which is not a multiple of 4K. You might experience some performance hit due to that. No IOMMU found. Unable to assign device "(null)" kvm: -device pci-assign,host=07:00.0: Device 'pci-assign' could not be initialized lspci | grep 07 07:00.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 74) I shoved an old spare NIC into my motherboard to test PCI pass through. I have searched the Internet with Goolge and found that errors relating to "No IOMMU found" often mean the PCI device is not supported by KVM. Does KVM have to support the device being "passed-through"? I though the point was to pass the device through and let the guest worry about it? Ultimately I want to pass-through a PCI random number generator, is this not going to be possible with KVM? Thank you.

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• How to configure CISCO switch 2960 for port-based address allocation on a single port only?

  - by Jack

  CISCO 2960 allows you to configure so-called Port-Based address allocation. It makes the switch to associate IP address it is giving out via DHCP with port-identifier, which is random, switch created identifier. In practice it means that any machine connected to such configured port will always get the same IP address, regardless of what that machine's MAC address is. I want to have that feature configured on --some ports-- only. But no matter what commands I try it seems that this can only be done for all ports, all for none. Even though CISCO manual seems to indicate there's both global and per-port command to enable that. Here are relevant commands from CISCO manual: configure terminal ip dhcp use subscriber-id client-id (this configures the DHCP server to globally use the subscriber ID as the client ID on all incoming DHCP messages) interface FastEthernet0/1 ip dhcp server use subscriber-id client-id (Optional: Configures the DHCP server to use the subscriber ID as the client ID on all incoming DHCP messages on the interface) but it appears if I configure only per-interface than there's no effect at all, if I configure globally and per interface - CISCo behaves as if all ports were configured to use that feature. Any ideas?

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• How do I diagnose the cause of a freeze after resuming in Windows XP (SP3)?

  - by Software Monkey

  I have just built a new computer from parts. Whenever I resume from any sleep mode (S1, S3 or S4) the computer freezes within about 60 seconds of the welcome screen appearing. I have updated the BIOS and all drivers to current from the motherboard manufacturer's site. I have reset BIOS settings to default, including disabling AMD Cool n Quiet. The windows event logs are not helpful at all. Other than immediately after resuming the system is stable as long as AMD CnQ is disabled. The system is: Mobo : MSI 790GX-G65 CPU : AMD Phenom II 965 BE at 3.6 GHz Memory : Corsair DDR3 1600, at 1333 MHz and 9-9-9-21 HDDs : 1 EIDE, 2 SATA in RAID-0 DVD : 1 Card Reader: 1 multi-card reader Keyboard is attached via PS2 and mouse is USB. Any thoughts or pointers would be most welcome. EDIT: It appears that the computer may not freeze if a program is left running which puts it under significant load. I left a stress test running which keeps all cores under 85% load, and my son put the computer to sleep - while this program is running it I have been able to resume from S3 successfully 4 times, compared against about 20 tests with the computer idle which have all frozen. So this may be related to being in an idle state when it resumes.

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• SQL cluster instance names for large project

  - by Sam

  We're setting up two clusters. One dev and one prod. The Production will host two SQL instances - a OLTP and a DW. The development will host 4 OLTP non-production environments and at least one DW non-production. We're working on getting more DW non-prods and possibly more OLTP systems. I'm considering a naming scheme like this, where PROJ would be 3 initials for the project name. Dev Cluster MSSQLPROJD1\D1 (DEV) MSSQLPROJD2\D2 (TEST) MSSQLPROJD3\D3 (QA) MSSQLPROJD4\D4 (STAGE) MSSQLPROJD5\D5 (DW) Prd Cluster MSSQLPROJP1\P1 (PRD) MSSQLPROJP2\P2 (DW) To the left of the slash, each name must be unique network wide. On each server, the instance name, to the right of the slash, must be unique. Any thoughts on this? I'm trying to avoid having instance names drifting from reality as the project progresses - say we change what we call a certain environment or want to repurpose one. Then we can update a listing of the purposes for the instances and be done with it. How has a scheme like this worked out for you? Maybe you do things another way in your shop - tell me about it. Thanks.

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• MSSQL Timing out, a couple of questions...

  - by user29000

  Hi, About once a week, my MSSQL server is timing out, or rather the machine runs out of RAM. This morning it reached 3.9GB of the available 4, with MSSQL taking up 2.5GB. I'm concerned that i've not configured SQL to release memory as it should, so I ran sp_who2 while the timeouts were occuring to see what process were running. If i could post the CSV datafile i would, however, there were 85 processes in total, mostly related to the Full Text service: FT Gatherer - About 35 of these running under the 'sa' account against the master database with status of either sleeping or background, many were dependant on other processes. Is that normal? MySite database - There were only 5 processes for the one active site/database and all were either sleeping or suspended - but their lastBatch dates were set to 1/12/2020. Is that normal? The datbase is only about 20mb in size the traffic levels are very low, so i'm thinking of maybe limiting the amount of RAM SQL has access to (from unlimted to maybe 2GB). Any thoughts / advise would be appreciated. Mny thanks Ben

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• Replacing DropBox with: Amazon S3 + SSL + GPG/TrueCrypt + Mounting on OSX ??

  - by Matt Rogish

  So, right now we're using DropBox to share various data files around between approximately 10 Mac OS X systems. However, we already have an S3 account and everyone on the lowest DropBox plan of $10/mo seems too expensive. So, I am contemplating something that would allow us to replace DropBox with our own home-grown solution. We are all fairly technical people and/or smart enough to follow some steps, so if it's not as "user friendly" as DropBox we're all comfortable with that. There are plenty of docs out there that have bits and pieces of what I want but some of the tools don't seem to fit the requirements: Transport security via SSL to the bucket Encryption of bucket contents Bi-directional syncing Most of the scripts I can find on the internet use "duplicity" which appears to fail #1 (it doesn't look like duplicity supports SSL to S3 - the docs don't state but the protocol looks plain old http http://www.nongnu.org/duplicity/duplicity.1.html#sect6 ) Many scripts use gpg to encrypt files. This seems like it could work, however I have to make sure that each OSX client is able to use the same key to encrypt and decrypt files (key management is left to me to manage). Finally, most of the scripts use one-way replication, e.g. using Amazon S3 as a simple backup store. As we'd be using Amazon S3 as the "repository" they fail this one. Whew. So, I'd love a single tool that does this but after an exhaustive search I don't think one exists. I'd be happy just knowing which tools out there can fulfill my 3 requirements, after that I can stitch together the rest. Any thoughts? THANKS!

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• What is the best way to recover from a mysql replication fail?

  - by Itai Ganot

  Today, the replication between our master mysql db server and the two replication servers dropped. I have a procedure here which was written a long time ago and i'm not sure it's the fastest method to recover for this issue. I'd like to share with you the procedure and I'd appreciate if you could give your thoughts about it and maybe even tell me how it can be done quicker. At the master: RESET MASTER; FLUSH TABLES WITH READ LOCK; SHOW MASTER STATUS; And copy the values of the result of the last command somewhere. Wihtout closing the connection to the client (because it would release the read lock) issue the command to get a dump of the master: mysqldump mysq Now you can release the lock, even if the dump hasn't end. To do it perform the following command in the mysql client: UNLOCK TABLES; Now copy the dump file to the slave using scp or your preferred tool. At the slave: Open a connection to mysql and type: STOP SLAVE; Load master's data dump with this console command: mysql -uroot -p < mysqldump.sql Sync slave and master logs: RESET SLAVE; CHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000001', MASTER_LOG_POS=98; Where the values of the above fields are the ones you copied before. Finally type START SLAVE; And to check that everything is working again, if you type SHOW SLAVE STATUS; you should see: Slave_IO_Running: Yes Slave_SQL_Running: Yes That's it! At the moment i'm in the stage of copying the db from the master to the other two replication servers and it takes more than 6 hours to that point, isn't it too slow? The servers are connected through a 1gb switch.

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• What kinds of protections against viruses does Linux provide out of the box for the average user?

  - by ChocoDeveloper

  I know others have asked this, but I have other questions related to this. In particular, I'm concerned about the damage that the virus can do the user itself (his files), not the OS in general nor other users of the same machine. This question came to my mind because of that ransomware virus that is encrypting machines all over the world, and then asking the user to send a payment in Bitcoin if he wants to recover his files. I have already received and opened the email that is supposed to contain the virus, so I guess I didn't do that bad because nothing happened. But would I have survived if I opened the attachment and it was aimed at Linux users? I guess not. One of the advantages is that files are not executable by default right after downloading them. Is that just a bad default in Windows and could be fixed with a proper configuration? As a Linux user, I thought my machine was pretty secure by default, and I was even told that I shouldn't bother installing an antivirus. But I have read some people saying that the most important (or only?) difference is that Linux is just less popular, so almost no one writes viruses for it. Is that right? What else can I do to be safe from this kind of ransomware virus? Not automatically executing random files from unknown sources seems to be more than enough, but is it? I can't think of many other things a user can do to protect his own files (not the OS, not other users), because he has full permissions on them.

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• Picking a degree path...

  - by Chris

  I'll be going to University of South Florida soon, and have to choose between two degrees, I want to head into general Server (IT) administration for a small / medium business. Setting up computers, imaging, managing file servers / logon servers /etc. * I had to change the http to hxxp in order to post. I have two degrees I'm currently choosing between: - BSAS hxxp://www.poly.usf.edu/Academics/AppliedAS/BSAS-IT/Program_of_Study.html - BSIT hxxp://www.poly.usf.edu/IT/ I like the idea of a BSAS because it'll get me out sooner, and then I can work on a few certifications to "match" the BSIT... I'm just worried companies will look at that as a "lesser" degree to a BSIT (or even a CS degree.) What are your guys' thoughts on these two degrees? The BSIT has more math, which I still have about 2 more classes to go through (I'll be heading to USF this August.) while the BSIT doesn't require those 2 extra math classes. I keep on hearing from people that when they hire you for your first job, they don't care which degree you have, as long as it's relevant and it's a 4-year degree, is this true?

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• Where is my problem? The P6X58D Premium Mobo, Windows 7, or other?

  - by Dylan Yaga

  I was having problems with my USB devices for an hour last night, and I am unable to determine the root cause of the problem. The two symptoms are: At seemingly random times (not consistently spaced by time or caused by any detectable event) my USB devices become "detached". Windows will play the USB disconnect sound and then the reconnect sound. The devices disconnected and then reconnected. My USB Keyboard will "stick" on one key for several seconds before processing any other keystroke made. The mouse also does not respond to clicks. I do not lose mouse movement or USB device connectivity. And after a moment of this several beeps will be emitted from the speakers. Hardware Specs: GFX Card: EVGA GeForce GTX 470 Superclocked 1280MB DDR5 PCIe Motherboard: ASUS P6X58D Premium Intel X58 Socket LGA1366 MB Processor: Intel Core i7-920 2.66Ghz 8M LGA1366 CPU Memory: Corsair Dominator 6144MB PC12800 DDR3 Storage: Hitachi 1TB Serial ATA HD 1600MHz 7200/32MB/SATA-3G Cooling: Corsair Hydro H50 CPU Liquid Cooler Case: Corsair Obsidian 800D Full Tower Case Power Supply: Corsair HX1000W 1000W Modular Power Supply Steps I have taken to narrow down the problem: Restarted the computer. - No change Changed USB port the Hub was connected to on the CPU. - No change Removed all devices from USB Hub and connected directly to CPU. - No change Used a different USB keyboard both in USB Hub and directly to CPU. - No change Disconnected and reconnected all cables. - No change Disassembled the Tower and determined if the USB headers were firmly connected. - No change Checked device manager for errors. Checked all USB devices. - Nothing flagged After an hour of frustration trying to narrow down the problem it appeared to disappear. But I am torn between it being a Mobo problem or an OS problem. Is there anything else I can do to narrow down the problem before a reformat and then eventually exchanging the Mobo?

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• IIS 7.5 returning 404 for unknown host names

  - by WaldenL

  This just doesn't seem correct to me, so I'm looking for someone to tell me how I've misconfigured IIS... Configuration is IIS7.5 (2008R2), without SP1. I have IIS 7.5 configured w/several sites. ALL sites have hostnames defined in the bindings, there is NO site w/out a hostname. However, if I request an unknown hostname from the server IIS (technically Microsoft-HTTPAPI/2.0) return a 404 error, not a 400 error. I would expect a 400 (or some other major error) rather than a lowly 404. This causes a problem when I have nginx in front of multiple IISs and want to stop a site so nginx takes it out of rotation. Since IIS still returns a 404 for the request even when there is no active site for that name, nginx doesn't know the server is dead. NB: IIS returns the 404 regardless of whether there is a server, but it's stopped, or there is no server. Thoughts? Solutions? -- Additional info: OK, I added a site on a port other than 80 (5000) and then on a connection to that port asked for a site that doesn't exist, and I get the expected error 400 (Invalid hostname). So, while IIS isn't listening for generic (no host name) connections on port 80 it would seem that something is. Any ideas how to get HTTPSys to dump the list of what it's listening for?

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• UPS power requirements for server

  - by captainentropy

  Greetings! So, I just placed an order for a new server. The company recommended that I get a 3000W UPS. (!) As best as I could I calculated the following wattage consumption based on benchmarked data or datasheets provided by the manufacturers of each component: number watts **total watts** MoBo 1 240 240 CPUs (E5540) 2 80 160 RAID cards (3ware) 2 18 36 RAM (6x4GB) 6 3 18 DVD drive 1 7 7 floppy 1 2 2 RE4 drives 8 7 56 WD20 drives 8 6 48 Intel X25 SSD 2 0.15 0.3 total = 567 So that is for the PSU requirements only. The PSUs in the machine are a 720W for the master node and 800W each for two subsystems. That's a total of 2320W that can be delivered by these PSUs. But that is 4X the amount being consumed, at most, by the components. I didn't count case fans or the eSATA card (3W maybe?) or what the PSUs themselves require but assuming I double or triple my calculations I'm not even remotely close to the 3000W UPS I was suggested to get. They run at least $1100. I could get a 2000W for about $750 or a 1500W for $450 and still be well over my estimated power need. I don't think I need a whole lot of run time in the case of a power outage, maybe 20 minutes max, enough time to shutdown if the power doesn't come on within 5-10 minutes. Any thoughts? Am I off on my calculations? Did I overlook something major? If so what are your suggestions for a UPS? Thanks!

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• White Screen, No Errors.

  - by GruffTech

  So.. Interesting problem for you guys, As I'm completely lost as to what to do, or where to take the next step. Server & Application Environment. CentOS release 5.3 (Final) Apache 2.2.3-22 EnableSendfile off EnableMMAP off ErrorLog logs/error_log LogLevel debug PHP-5.2.6-2 error_reporting = E_ALL display_errors = on log_errors = on max_execution_time=300 max_input_time=60 memory_limit=512mb Kohana 2.3 PHP Environment. HAProxy 1.3.15.6-2 MemCacheD 1.2.6-1 Our application is split between 3 web servers, mounting a NFS Storage server, and sticky load balancing between the 3 web servers. The application seemingly runs great, but every so often, instead of loading, the application just shows a pure white page. Not a 404 Error, or a 500 Server Error, a clean white page. And it returns instantly, so its not a execution time error. Nothing in the Error log, or Server-Error Log, Proxy log shows standard proxied connection, Just the standard 200-Status in Access log, with 256 bytes transferred. To me, this leads to tell me that the application itself is having a problem. A rare, unexplainable, seemingly random, problem that causes what we've now called the "White Screen of Death." Our developers all say that since there is nothing going to our error logs, that it must be a server problem. But I say the same thing, There's nothing going to ANY of our logs (relevent to this anyway), and we're not having httpd children crash from what i can tell. Any ideas on how i can increase my logs, or somehow prove that its not a bug in PHP, Apache, CentOS, ect? Or if it is somehow a bug, identify it?

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