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  • Complete machine freezes...at a loss

    - by user28818
    Guys, We built around 12 machines a few months ago to run Ubuntu. They each have the following specs: ASUS Z8NA-D6 motherboard Dual quad core Intel(R) Xeon(R) CPU E5520 @ 2.27GHz OCZ Mod Extreme Pro 500W power supply 12 GB Kingston RAM Nvidia GeForce 9800 GT graphics card My machine ran well for awhile. However, it started experiencing random lockups. These lockups are not X lockups, they are complete system freezes. The nic stops responding, the magic sysrq buttons won't work. The machine is dead. I first suspected RAM. Memtest86 didn't find anything, but I replaced the RAM anyway. Still, lockups. So I replaced the graphics card. Still, more lockups. They became more and more frequent and started to happen 2-3 times a day. So I replaced the motherboard and power supply in one fell swoop. Suddenly, no more lockups! Woohoo! Except, a week later, in the morning, the machine wouldn't wake up. I reset it, started it up, and the log files showed the last entry at around 11 pm the evening before. This has started occurring with more frequency...now just about every morning I come in, the machine is locked up, and has been since the night before. Yesterday, in the 3 weeks since I replaced the motherboard and power supply, the machine actually locked up on in in mid-work. This is the first time since replacing the two (MB and PS) that this happened while I was using it. All others occurred while I was away. I'm at a loss. Nothing is in syslog or message that would indicate a problem around the time of the lockup. Temps are good...I use lmsensors to monitor and have a script that writes the output to file every minute. They never get that high. The only thing I haven't replaced at this point is the case and the harddrives. I doubt either could be the cause. What would you do if you were in my shoes? Is there a troubleshooting approach I'm missing? For the record, all of the other machines, all eleven of them, don't have any problems. They're all running the same version of Ubuntu (Lucid) that I am. Thanks!

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  • Cost effective way to host site / VPS / yourself?

    - by Herr Kaleun
    Hello Friends, i am paying about 55 USD for a VPS every month that makes it about 660 USD a year. For the current traffic, it's good enought but, my question is, wouldn't i be better off, if i would buy for example, a server and plug it to the ISP myself? For example a Mac mini or a MacPro ? Where is the downside of such an example? It's ok if you just specify the mandatory things to watch for such a setup.

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  • How can I control when Microsoft Security Essentials Updates Itself?

    - by David
    I'm using Microsoft Security Essentials (MSE) on a Windows Vista SP2 box. Every day in the 4 PM hour MSE updates itself: The green fortress icon in the notification area displays an animated download arrow, and my computer becomes unusably sluggish for five minutes (or more). I'm generally forced to take a coffee break or read a magazine. How can I control the time of day when this update occurs? Sometime after 9 PM would be ideal. Thanks.

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  • "watching" a log on FreeBSD vs Linux

    - by Cory J
    On Linux systems I can watch -n1 tail /var/log/whatever.log or watch -n1 grep somestuff /var/log/whatever.log To show updates to a log every 1 seconds. On FreeBSD however, the watch command does something else entirely. Who knows a good FreeBSD command for what I'm trying to do? =)

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  • How to increase the number of vmware.log files?

    - by 27b6
    Hi all, Is there any way to increase the number of vmware.log files for a given VM (Vmware Server 1.0.4, host: SLES 10)? Problem is, that one of our VMs crashes every now and then, and I can only see the four log files vmware.log, vmware-0.log, vmware-1.log and vmware-2.log each of which contains records starting after the crash when trying to boot. So I have no information of what happened before the crash. Thanks, Ingo

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  • What is "Cloud Computing"?

    - by Zimmy-DUB-Zongy-Zong-DUBBY
    Everywhere I turn, I keep seeing the term "cloud computing". I've done the usual drill of reading Wikipedia, searching around a bit, but it's hard to sort the wheat from the chaff. Can someone provide a buzzword-free definition of clouding computing? It's a bit of a struggle given that seemingly every tech company uses the term now, probably incorrectly.

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  • How do I keep windows XP from automatically changing the screen resolution?

    - by roamn
    I have an Asus EEEBox (EB202, intel GMA 950) hooked up to my 1080p TV (DVI-HDMI cable). I use it to watch standard definition movies and TV shows. I prefer to run at 1280x720 so that I can see things more easily, but every time I turn off the TV, then back on again, the resolution defaults to 1080p (1920x1080). How can I force a specific resolution? If that's not possible, is there a way to use a batch script to switch to the desired resolution faster?

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  • How to convert djvu file to pdf or other more common file format?

    - by Zeta2
    I have downloaded file which is in djvu format. I want to convert it to pdf or some other more common format, so I can read the document from other devices (e.g. my phone etc). I found a conversion utility at Lizardtech, but when I converted the doc using the lizardtech software, every page had a watermark - which rendered the converted doc virtually useless. Does anyone know where I can get a free conversion utility that does not watermark the converted doc?

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  • QNAP (469L) with Debian: can't connect to router

    - by agtoever
    I've been running my QNAP 469L with Debian (Wheezy deb7u3) for a few months. Yesterday I upgraded the memory to 4 GB. The system boots fine, but since the upgrade, I'm not able to connect the server to my router (a TP-Link WR941ND). My configuration: The router runs a DHCP server (192.168.67.100 and up), with a preconfigured ip address for the QNAP (192.168.67.10). The router is on 192.168.67.1. As said, Debian is installed on the QNAP (which can be regarded as a normal computer). Networking hardware on the QNAP: Intel PRO/1000 Network Connection using the e1000e kernel module. This is what I have tried so far: Replace the network cable (tried 3 different cables on different router ports). Check for messages from the kernel: dmesg | grep eth. Besides the normal hardware messages I get a ADDRCONF(NETDEV_UP): eth0: link is not ready for each call to ifup. Manually restart the network sudo server networking restart Check sudo ifconfig (eth0 is up, but no ip addresses). Check the /etc/network/interfaces which has (besides the loopback device) an allow-hotplug eth0 and iface eth0 inet dhcp, which is afaik the default Debian configuration. Since the server has two ethernet ports, I checked if I'm using the right port (checked the hardware address that ifconfig reports for eth0 is the same as the hardware address that is in the preconfigured ip address for the server in the router. Do a manual sudo ifdown eth0 && sudo ifup eth0 with no results (but an extra ADDRCONF(NETDEV_UP): eth0: link is not ready in the kernel log) Do a dhcp request dhclient -v eth0: for about a minute requests are send (according to the terminal) and at the end I get a No DHCPOFFERS received. No working leases in persistent database - sleeping.. Check the router system log if DHCP requests are received. I see them for some devices (my Mac, my iPhone) but not from the QNAP. The log entry looks like: DHCPS:Recv REQUEST from 84:85:06:07:75:6A and then a DHCPS:Send ACK to 192.168.67.101. There are no records from the QNAP's hardware address. So the two error messages that I do get are: ADDRCONF(NETDEV_UP): eth0: link is not ready for every ifup and No DHCPOFFERS received. No working leases in persistent database - sleeping. for every DHCP call.

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  • Windows 7 reboot and freezing, possible power problems?

    - by mikelbring
    My Gateway LX Series desktop is about 6-8 months old. When I bought it, it had Windows Vista. I then put the RC version of Windows 7 on it. About 3 months after I bought it, it would randomly start to reboot, actually just shut off. I monitored the temperature levels and they seemed normal. So I installed a fresh Windows 7 Ultimate OEM 64bit. It actually got worse and would reboot more frequently. I then contacted Gateway and they said my machine was built for Windows Vista (made me chuckle), and told me to update my BIOS. So I did, and it was fixed for a good couple months. Recently, it started to do it again. Now I noticed early on it was doing it most often, if not every time when I was either watching a flash video or playing a flash game. So I decided to download the drivers again and I also downloaded my motherboard drivers. Seemed to be okay. A week later it started doing it again. And now it's doing it even more frequently. Sometimes I would turn it on, login into Windows and *BAM!* it would shut off. Now I am at the point where I can hardly get it to turn on. It would freeze at the point where it says "Starting Windows", with the Windows logo. Sometimes it would say "Checking disk for consistency" or whatever and freeze there (not shut off, just freeze). I even got the prompt to launch startup repair. But that also freezes when it says starting Windows. It does not really freeze, just never loads up. I am kind of lost as to what's going on. I have a few ideas but nothing I want to pursue (graphics card? hard drive?). Another thing I did try was to boot into a live disk of Ubuntu and try to launch every program I could and get on the internet but I never got it to reboot. So it sounds like to me it's a Windows thing, but I have no idea. I am just stuck and would like to see if any one has any ideas or could lead me in the right direction.

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  • Can't start computer, it only boots into BIOS update

    - by kerry
    My son has a Compaq Presario computer running on Windows 7 and he has brought it down to me cause it's 'not working'. When I start up the computer I get a HP BIOS update that fails and keeps restarting with the same screens, only to fail every time. I have read some forum posts that suggest taking it back to default settings – how do I do this when I cant get anything on the computer screen except for the update? I'm a complete novice with computers.

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  • Can you make desktop shortcuts to Seamless mode Windows apps in VirtualBox on OSX?

    - by Matt
    Running the latest version of VirtualBox on OSX and hosting a Windows virtual machine. Is there a way to put shortcuts on your Mac desktop for the Windows apps that you run in seamless mode? I can't find a way to do this, so every time I want to newly launch a Windows app in seamless mode I have to access the full Windows desktop, start the app and hit HostKey+L. Really a pain for apps that you want to run in seamless mode all time.

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  • Determine if application is re-using SQL Connection

    - by Steve Evans
    I have a legacy app that connects to my SQL 2008 server. I'm trying to determine if the application is re-using it's connection to the SQL server or is creating new connections on a regular basis. Using SQL Profiler I've audited for login events, but that appears to generate an event every time a SQL statement is executed even with apps that I know are maintaining their connection to SQL.

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  • History in linux terminal

    - by xain
    Hi, I'm running Ubuntu 9.1 and every time I open a terminal window, I lose the previous command's history. How can I configure it so it's kept even after rebooting? Thanks.

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  • Server to server replication and CPU and 32k\ corrupt doc

    - by nick wall
    Summary: if database contains a doc with 32K issue or corrupt, on server to server replication it causes marked increase in CPU in nserver.exe task, which effectively causes our server(s) to slow right down. We have a 5 server cluster (1 "hub" and 4 HTTP servers accessed via reverse proxy and SSO for load balancing and redundancy). All are physically located next to each other on network, they don't have dedicated network\ ports for cluster or replication. I realise IBM recommendation is dedicated port for cluster. Cluster queues are in tolerance and under heavy application user load, i.e. the maximum number of documents are being created, edited, deleted, the replication times between servers are negligible. Normally, all is well. Of the servers in the cluster, 1 is considered the "hub", and imitates a PUSH-PULL replication with it's cluster mates every 60mins, so that the replication load is taken by the hub and not cluster mates. The problem we have: every now and then we get a slow replication time from the hub to a cluster mate, sometimes up to 30mins. This maxes out the nserver.exe task on the "cluster mate" which causes it to respond to http requests very slowly. In the past, we have found that if a corrupt document is in the DB, it can have this affect, but on those occasions, the server log will show the corrupt doc noteId, we run fixup, all well. But we are not now seeing any record of corrupt docs. What we have noticed is if a doc with the 32K issue is present, the same thing can happen. Our only solution in that case is to run a : fixup mydb.nsf -V, which shows it is purging a 32K doc. Luckily we run a reverse proxy, so we can shut HTTP servers down without users noticing, but users do notice when a server has the problem! Has anyone else seen this occur? I have set up DDM event handlers for many of the replication events. I have set the replication time out limit to 5 mins (the max we usually see under full user load is 0.1min), to prevent it rep'ing for 30mins as before. This ia a temporary work around. Does anyone know of a DDM event to trap the 32K issue? we could at least then send alert. Regarding 32K issue: this prob needs another thread, but we are finding this relatively hard to find the source of the issue as the 32K event is fairly rare. Our app is fairly complex, interacting with various other external web services, with 2 way data transfer. But if we do encounter a 32K doc, we can't look at field properties, so we can't work out which field has issue which would give us a clue as to which process is culprit. As above, we run a fixup -V. Any help\ comments on this would be gratefully received.

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  • What does "Don't use the index when searching in file folders for system files" do?

    - by A Student at a University
    I've checked "Don't use the index when searching in file folders for system files", but I don't see a way to tell Windows 7 that I'm looking for a system file. What does this option actually do, and how do I use it to search every file name on the drive for a specified character string? I intend to search file names in an indexed folder that contains non-indexed subfolders and "system" file types, and this option seems to have no effect on the skipping of those subfolders and file types.

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  • Windows 7 showing subfiles when saving files from internet?

    - by mezamorphic
    Within the last week, whenever I go to save a file from the internet when I save to "Documents" it doesn't show just what is in My Documents at the higher level, it shows all the contents of every sub-folder. I haven't changed any settings- how can I get this back to normal (so that files of sub-folders are not shown when saving)? I tried with both Chrome and IE so it's not the browser doing it. The problem seems to only happen with My Documents, no other folders like Downloads etc.

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  • Good on-screen ruler application for Windows?

    - by musicfreak
    What's a good (preferably free) on-screen ruler for Windows? (Vista, if it matters.) I just need to measure a few things (in pixels) on the screen. I need it to be flexible (easily resizable and able to measure both vertically and horizontally), and hopefully not look like crap, although I can deal with that if it does what I need. A quick Google search revealed a ton of different applications, and I don't want to try every single one.

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  • Setting up a fake email address to trap spammers

    - by Brent
    I have heard it suggested that we set up a special email address, with it's only purpose being to be harvested. Then blacklisting every sender that targets this address. I'm wondering: if anyone else has tried this how do you go about doing it (ie - put the address in a hidden field on your website - or better ways?) does it work? Is there anything to watch out for when trying this (ie. legitimate senders using harvested addresses?)

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  • Realtime MS SQL Database transfer

    - by user34402
    Hello, I have MS SQL 2005 Standard that is used actively (new data is added every minute). I need to transfer it to another server (new hosting provider), without losing the data and without downtime. Is there any way to do it?

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