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• Page reload needed several times before loading normally

  - by tim peterson

  Sorry my question is so vague I just have no idea where to start in solving it and am quite a novice with servers. Recently my site (an https connection, running on an Amazon EC2 ubuntu apache2.2) has this issue where I need to load the page several times (3-4) before it will load normally without issue. It will then load normally as long as I keep loading pages regularly (every couple seconds). It will stall again if I don't load pages for a few minutes. It has nothing to do with my application because I don't have this problem with the exact same app codebase on my Apache installation on my laptop. The only thing to my knowledge that I changed is that I installed mod_pagespeed https://developers.google.com/speed/pagespeed/mod. However, I have since turned it off by setting my pagespeed.conf to mod_pagespeed off. Unfortunately, that didn't solve the problem. I'm wondering general advice on how to troubleshoot this problem. For instance are there linux commands to check page loading peformance? Also, it looks like I have lots of new error.logs in my /var/log/apache2 directory which i believe weren't there a few months ago. lots of this : error.log RewriteLog.log.24.gz ssl_access.log.40.gz error.log.1 RewriteLog.log.25.gz ssl_access.log.41.gz error.log.10.gz RewriteLog.log.26.gz ssl_access.log.42.gz error.log.11.gz RewriteLog.log.27.gz any thoughts? thank you, tim

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• What is the difference betweeen "Network install" and "Network Boot" options in virt-manager when installing a new virtual machine

  - by Marwan

  From my understanding of PXE (Preboot Execution Environment), I know that there must be some negotiation first between the booting client and a DHCP server to obtain network parameters (IP address, etc) in order for the client to be able to fetch the boot loader and kernel image from the boot server. In other words, and aside from being a "virtual" machine, we're talking here about a "bare metal" machine, so there must be some "pre boot" mechanism for those negotiations to take place, and this is exactly what PXE is all about. When I think about the "Network install" option, I can't figure out how the new VM would be able to fetch the boot images (bootloader and kernel) without the previously mentioned mechanism. So, here is a short version of the question: When provisioning a new virtul machine, how do you expect the "Network install" option in virt-manager to work behind the scenes? Many thanks.

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• Vertex 2 SSD is running faster than my Vertex 3 SSD?

  - by Kairan

  I used Acronis Disk Director to do a direct clone of my C:\ windows 7 x64 drive from my Vertex 2 to my new Vertex 3 SSD (Just to show the drive software winstall everything is identical.) I ran a performance test on Windows using the Windows Experience Index. The rating I am receiving when booting on the Vertex 2 is 7.5 While I am getting only a rating for the Vertex 3 of 6.9 My understanding is that the read/write speeds of the Vertex 2 is only up to 250MB/sec while the Vertex 3 is up to 500MB/sec. Copying a single file (3GB in size) from the Vertex 3 to itself was getting speed of approx 70-80MB/sec This speed is no better (maybe worse) than what I got from the Vertex 2 I am connected via the SATA 3 port on the motherboard, using an SATA 3 cable Is this issue caused by the drive cloning? Do I have a bad SSD?

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• Problems with kickstart script, partition info crashes deployment

  - by tore-

  Hi, Currently testing cobbler, but have problem with the kickstart script when the partition information is loaded. Here is my ks: http://pastebin.ca/1824343 I can't figure out what is the problem with the partsection at all. Without it, it works. I've even tried autopart. If the entry is removed, it works, but of course I have to provide the installer with partition information. Under the kickstart an python exception is raised. I get a Errno 2 No such file or directory. My Apache logs states: File does not exist: /var/www/cobbler/links/CentOS-5.3-x86_64/images/updates.img File does not exist: /var/www/cobbler/links/CentOS-5.3-x86_64/disc1 File does not exist: /var/www/cobbler/links/CentOS-5.3-x86_64/images/product.img But without the part information, no error occours. What am I not seeing? Cobbler 2.0.3, imported the CentOS 5.3 x86_64 DVD, PXE booting from a Xen guest.

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• Sending Adobe PDF attachments from Adobe Reader (in Outlook 2003) takes too long

  - by White Island

  I have a customer who is using Outlook 2003 (Microsoft Online Services) and Adobe reader 9+. When they send a PDF from Adobe reader to Outlook (via the Send as attachment to e-mail feature in Adobe), it freezes for 30 seconds to 5 minutes before the new e-mail pops up with the PDF attachment. I'm pretty sure the issue is on the Outlook side of things, as I've tried Adobe reader 8 and Foxit Reader with the same results (Windows XP/7 doesn't seem to make a difference, either). I tried Outlook in safe mode on the first (Win7) machine I was working on, and the e-mail attachment worked a lot faster, but when I tried to replicate the results on another machine, one wouldn't go into safe mode, the other didn't seem to show a difference. In an effort to fix the problem in Outlook normal mode, I tried disabling all add-ins, Com add-in (Office Communicator is the only one), reading pane, Word 2003 as e-mail editor... but none of these seemed to address the issue. Does anyone have any other ideas? I need to get this resolved as soon as possible, and it doesn't seem practical to make them run in safe mode. :P

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• Leopard Network Shares and browsing are unreliable

  - by EvilChookie

  I have two macs, running Leopard 10.5.8. One is the 13" MBP connected via WiFi, and the other is a 24" 2008 iMac, connected via ethernet. There are at least another 6-10 machines (windows and mac) awake on the network (with shares) at any given time, yet there are plenty of times where I cannot see any devices/shares in either my "Shared" section in Finder, nor can I see any computers in "Network" in Finder. Restarting doesn't help. I've restarted all the networking gear in the house to no avail. Our network is a series of gigabit switches connected to a D-Link gaming router. I believe we use OpenDNS, and our provider is Cox. I hate having to use "Go - Connect to Server" to browse to commonly used file shares (by IP). I'd like to know why my shares do not always and consistently appear in Leopard. Edit: I ran OnyX this morning, and performed the cleaning and maintenance operations (including disk permissions) on both my Macs, and at least one of my macs has started showing network devices again. (the other is still going). No idea how long this will last. Any ideas as to what is causing this issue, and how to prevent it? Edit 2: Aaaand there the shares go again. So running OnyX is not a permanent or reliable fix for this issue. Edit 3: After a clean reinstall and update, network shares are still unreliable. The SMBClient command mentioned in comments shows me the information it's supposed to show, but the shares do not appear in the shared section. They'll also vanish at random and reappear at random throughout the day.

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• ubuntu 9.10 screen flickering problem on Thinkpad R31 with Intel 83830 Graphics

  - by PA

  I am trying to revitalize an old Thinkpad R31 that has the Intel 82830 graphics and only 256 MB of RAM. I have tried a Xubuntu 9.10 Live CD. After booting the screen blinks so much that it is practically unreadable. I have searched for updated IBM Thinkpad drivers but I only found drivers for Windows on the Thinkpad support web site. EDIT: I have changed the title and the description. It is not a problem of the drivers. It seems to be a problem with the kernel. See my own answer below.

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• How to remove Ahnlab policy agent?

  - by R.K.

  Anybody know how to remove the Ahnlab Policy agent? I was forced to install it so that I could connect to the campus network when I visited Korea. Now that I'm home, I would like to remove it. However, it resists all uninstallation efforts. It gives me an Access is denied error whenever I try to stop the service. Used AppRemover too, to no avail. Tried removing it in safe mode but it doesn't work either. Does anybody know of a solution short of booting up a Linux distro and deleting the Ahnlab files with it?

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• Inter-vlan routing issues

  - by DKNUCKLES

  I've been brought in to help administer a network and I've run into an issue - I'm not sure why this one is beyond me, however I figure an extra set of eyes on the problem may help resolve the issue. I have an HP MSM720 controller and at the time I'm trying to set up a basic hotspot set up with access points. For the time being I'm just looking to have people authenticate with a PSK and access the internet and other resources (namely printers) on other vlans. The user authenticates and the DHCP server on the controller gives them a 192.168.1.0/24 address. They are able to successfully browse the internet and ping machines on other networks, however they are unable to print to network printers that sit on the same LANs as the very computers that wireless clients can ping. The (extremely simplified) topology is as follows Computers on the wireless 192.168.1.1 network are able to ping computers on the 192.168.0.0 network, however cannot ping or print to the printers on the same network. I'm baffled and I have no idea why this is the case. Can anyone shed some light on this for me? Can someone spot the error of my configuration? EDIT : It should be noted that for whatever reason other computers on the 10.0.100.0/24 network cannot even ping the gateway of the Wireless Access network (192.168.1.1) - I'm not sure if this is relevant. These are the VLANS listed on the controller.

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• Xenserver boot error

  - by Adrian

  I'm trying to get Xenserver 5.5 running on a spare computer here, hardware specs: Intel Q6600, 4GB Ram, and Gigabyte GA-P35-DS3R motherboard Xenserver itself installs fine onto a 150GB sata hdd, however it fails to boot whatsoever, giving this garbled mess: http://img697.imageshack.us/img697/9918/biosi.jpg it's not frozen because if I press enter it just prints a different garble and it also says "could not find kernel image". The strangest thing is if I put that hdd in my desktop and assign it to a VMWare desktop vm (under the ESX profile no less) it boots perfectly... leading me to believe there are no problems with the install or the hdd itself. From what I can tell the error seems to be occuring completely seperately to Xenserver, in the bootloader extlinux?. If there was a motherboard compatibility issue I would think it would also have manifested during installation, and the fact the problem seems to be with the booting into Xen makes me doubt this. Any ideas guys? (I'm using Xen because it can do PCI passthrough without VT-d.)

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• Beeping Hard Disk - Seagate 250GB Momentus 5400.6

  - by Pez Cuckow

  I have been trying to repair a laptop that simply beeps instead of booting. After taking it apart I have now realised that it is the hard disk beeping. I know that may sound strange but I guarantee that is what it is! (Currently powered on it's own with a Sata Mains lead). The beeping is slightly faster than one per second there is a link to this recording. This recording was made resting the mic on the hard disk while it was sat on a table on it's own, there are no speakers anywhere near, the sound is coming from the hard disk. Does anyone know what this beep means? Is the hard drive just dead, or is it fixable and the data recoverable? Many thanks,

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• Using Virtualbox Bridge Networking fails connection from Guest OS to Oracle XE running on Host

  - by Licheng

  I am trying to make a JDBC connection from a VirtualBox Ubuntu Guest OS to an Oracle XE database running o Host. However, the connection is refused. Here are the details of my environment: VirtualBox: 4.1.4 Host OS: Windows 7 Guest OS: Ubuntu server 11.4 Networking mode: Bridged network Oracle XE database running on Host Issue: WebLogic server runs on the Ubuntu virtualbox. It attempts to connect to an Oracle XE database running on the Host OS (windows 7) with listening port 1521. On the Guest OS (Ubuntu), I am able to ping the Host computer from the Guest OS. However, when I configured a JDBC data source on the WebLogic server on the Guest OS to connect to the Oracle XE, connection took a long time, and eventually I received an "IO Exception: The Network Adapter could not establish the connection". When I tried "telnet host-ip 1521", no connection was established. With Bridge networking, I can make bi-directional connections between the host and the guest OS (e.g. connection through ssh and ftp). Is there anything I missed in the setup of Bridge networking and the guest/host OS? Note that I was able to make the same connection within a normal networking environment (i.e. not using virtual box). I am not sure whether Bridge networking is a good option for the work described above. Should I use host-only networking mode? If so, any specific configurations I need to perform? I read through the Virtual box document on setting up the host-only network, however, it lacks of details. I followed the procedures described in the manual, and couldn't even connect to the host. Could some experts here enlighten me on this issue? Much appreciated. Licheng

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• Can't Install Windows 2008 R2 on Lenovo Laptop With SSD

  - by Ben

  I am trying to install Windows Server 2008 R2 on a new Lenovo X201 or T410 laptop. Setup halts with the following pop-up: A required CD/DVD device driver is missing. If you have a driver floppy disk, CD, DVD, or USB flash drive, please insert it now. Note: If the windows installation media is in the CD/DVD drive you can safely remove it for this step. The CD drive is obviously working, as it's booting from CD to get to this point. The only thing I can think is that it is to do with the fact they have SSD disks in - but that's just a guess. (Edit - One extra thing that may or may not be relevant: it's the 64 bit version of Server 2008 R2)

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• VPN Error 619: Behind Cisco Router WRT310N

  - by ty91011

  I've researched a lot on all the forums and this error is too generic for any of the proposed solutions to work. I'll try to give as much detail and tried solutions. I'm running a CentOS PPTP server behind a Cisco WRT310N Router. Multiple clients from outside with different OS have failed with the same error 619, along with turning off windows firewall and disabling antivirus. I believe this is a router and IP routing issue, and not a client issue. When I connect from a client on the same router as the VPN server, it works when I use the 192. network address- but doesn't work with the public IP address. I've tried telnet to port 1723 from an outside server and I get in. I've opened up the VPN port (1723) on the router, VPN udp port (500), and the GRE port (47) to route to the VPN server's ip. Also, the server's router is behind a DSL modem. I had a glimmer of hope when this site: http://www.chicagotech.net/casestudy/vpnerror619.htm suggested that the PPoE authentication should reside on the router and not the modem. But I still came up empty. So does anybody know what the problem is?

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• How can I view the binary contents of a file natively in Windows 7? (Is it possible.)

  - by Shannon Severance

  I have a file, a little bigger than 500MB, that is causing some problems. I believe the issue is in the end of line (EOL) convention used. I would like to look at the file in its uninterpreted raw form (1) to confirm the EOL convention of the file. How can I view the "binary" of a file using something built in to Windows 7? I would prefer to avoid having to download anything additional. (1) My coworker and I opened the file in text editors, and they show the lines as one would expect. But both text editors will open files with different EOL conventions and interpret them automagically. (TextEdit and Emacs 24.2. For Emacs I had created a second file with just the first 4K bytes using head -c4096 on a linux box and opened that from my windows box. I attempted to use hexl-mode in Emacs, but when I went to hexl-mode and back to text-mode, the contents of the buffer had changed, adding a visible ^M to the end of each line, so I'm not trusting that at the moment. I believe the issue may be in the end of line character(s) used. The editors my coworker and I tried (1) just automagically recognized the end of line convention and showed us lines. And based on other evidence I believe the EOL convention is carriage return only. (2) return only. are able to recognize and To know what is actually in the file, I would like to look at the binary contents of the file, or at least a couple thousand bytes of the file, preferablely in Hex, though I could work with decimal or octal. Just ones an zeros would be pretty rough to look at.

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• How do I get Windows 7 To Recognize a newly installed RAID 5 volume?

  - by GregH

  I had a previously running Windows 7 (64 bit) system. I added 3 new 1TB Seagate drives that I set up as a RAID 5 volume. I have a Gigabyte GA-P55M-UD2 motherboard. I installed the drives, set up the BIOS and configured the three drives as a RAID volume through the RAID setup utility that was accessed via Ctrl-I while the system was booting. I rebooted the system and could see the drives during the boot sequence. However, when Windows 7 was starting I got an error (quick blue screen) and then Windows tried to repair itself with no success. Do I need to install RAID drivers in Windows? How do I do it if Windows won't boot? Thanks in advance.

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• Adobe Master Collection CS3 wont run on my Windows 7 64bit

  - by Jeremy

  I have a brand new HP p6230y. My first step after booting it up was to install Master Collection. It installs fine, but when I go to run each of the applications, and they all behave differently. I have re-installed twice already. Photoshop opens, but freezes. Acrobat tells me that I need to reinstall. Nothing else even opens (no freezing, no process in taskman). Any Ideas? HP p6230y RAM: 8gigs CPU: AMD Phenom2 x4 810 (2.6ghz) OS: Windows 7 Home Ultimate 64bit

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• Ubuntu 12.04 on VMware Player loses network configuration

  - by d4ryl3

  I've been having this issue for 2 weeks now with my VMware Player-hosted Ubuntu 12.04. I only use it for my LAMP stack. I've had no issues with it before until about 2 weeks ago when it almost always (once per day at least) loses its network configuration. On boot it shows: Waiting for network configuration... Waiting up to 60 more seconds for network configuration... Booting system without full network configuration... Then when I do ifconfig -a it doesn't show an IP Address and couldn't get online. The only resolutions I've found so far was either to reinstall VMware Tools or use the VMware Player installer and choose Repair. This is frustrating to me because even when the issue was resolved after doing either of the steps I mentioned, the IP Address gets changed. Then I'd have to update the Remote Configuration of my IDE (Netbeans) and my database manager. What could possible cause this? Please help. Thank you. Additional details: I'm using a laptop with Windows 7 and connected to the office WiFi, which is unrestricted as far as I know. Thanks again.

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• Ext3 partition doesn't mount on Snow Leopard using MacFUSE

  - by Fez

  I'm dual-booting OS X and Ubuntu on a Macbook 4,1. I'm trying to mount my Linux partition in OS X. I installed MacFUSE 2.0.3,2 and fuse-ext2-0.0.7 on Snow Leopard 10.6.5. I created the directory /Volumes/Ubuntu and tried to mount the disk there using the command: fuse-ext2 /dev/disk0s4 /Volumes/Ubuntu/ This is the output I get: fuse-ext2: version:'0.0.7', fuse_version:'27' [main (../../fuse-ext2/fuse-ext2.c:324)] fuse-ext2: enter [do_probe (../../fuse-ext2/do_probe.c:30)] fuse-ext2: Error while trying to open /dev/disk0s4 (rc=13) [do_probe (../../fuse-ext2/do_probe.c:34)] fuse-ext2: Probe failed [main (../../fuse-ext2/fuse-ext2.c:340)] Any clue what's going wrong? Thanks!

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• Data Protection Manager System Protection Backups Failing

  - by TrueDuality

  I'm just starting to setup DPM 2010 in a test environment with a Domain Controller and a File Server. Everything seem to be working fairly well and I can get all of my backup jobs to succeed except for the "Computer\System Protection" backups. Both servers are running fully up to date 64 bit Windows Server 2008 R2 Enterprise with Service Pack 1. The error that is being provided is: DPM cannot create a backup because Windows Server Backup (WSB) on the protected computer encountered an error (WSB Event ID: 517, WSB Error Code: 0x8078001D). (ID 30229 Details: Internal error code: 0x809909FB) This Microsoft Knowledge Base article describes the issue perfectly and provides a hotfix. I downloaded the hotfix, moved it onto the affected server, attempt to run it and receive the following error: The update is not applicable to your computer. I've verified that I have indeed downloaded the 64 bit version. According to this thread the hotfix got rolled into Service Pack 1, yet I'm still experiencing the issue. Both machines do have the Windows Server Backup feature installed. Can anybody point me in the right direction? What am I missing?

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• Why does my computer crash randomly?

  - by Donavon Decker

  The other day I went out to my van to get my Tower and when I opened the trunk it fell out. I brought it into the house and opened it, and everything looked ok. When I started it up, about 1-3 minutes afterwards it would crash. It did this over and over until I reseated the cooler. Everything seemed normal again, until after about 10 minutes of gameplay (any game), it would crash. I reseated my GPU + reinstalled the drivers, however I still get the same error. A while back, I'd check my 'Windows Rating' periodically, and all of them were in the '6.0-6.9' range except for my hard disk usage (always been like that [not relative]). Today I went in and looked, and my Processor and Memory was rated 5.4. I reseated my cpu and my memory, refreshed the windows rating, and then my processor and memory went from 5.4, to 5.1. A few minutes ago I reseated them once again, and now it's back to 5.4. Note: Not sure if this is relevant to the issue, but I updated my bios earlier today I honestly have no idea what the issue is, but I'm getting aggravated at the problem. Here are some images which contain images of my specifications: i1271.photobucket.com/albums/jj623/donxdeck/1_zps09f0607c.jpg i1271.photobucket.com/albums/jj623/donxdeck/4_zps381cd00a.jpg i1271.photobucket.com/albums/jj623/donxdeck/3_zps54bba720.jpg i1271.photobucket.com/albums/jj623/donxdeck/2_zps945d3d72.jpg Thanks for the help

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• Ubuntu only boots with USB plugged in

  - by Ben

  I'm new to the Linux world so please bear with me! :-) I installed Ubuntu via USB drive onto my hard drive. If I boot the PC without the usb drive I used, Ubuntu will not load. After booting I can unplug without any consequences. I looked on the hard drive and there is a boot folder. On the USB drive, this is the tree contents: /media/disk$ tree . |-- adtext.cfg |-- boot.cat |-- f10.txt |-- f1.txt |-- f2.txt |-- f3.txt |-- f4.txt |-- f5.txt |-- f6.txt |-- f7.txt |-- f8.txt |-- f9.txt |-- initrd.gz |-- isolinux.bin |-- isolinux.cfg |-- ldlinux.sys |-- linux |-- menu.c32 |-- menu.cfg |-- po4a.cfg |-- prompt.cfg |-- splash.png |-- stdmenu.cfg |-- syslinux.cfg |-- text.cfg |-- ubnfilel.txt |-- ubnpathl.txt `-- vesamenu.c32 Am I correct in my assumption that the boot aspect is associated to the USB drive? If so, how do I get it to boot without the USB? I'm guessing copying into some location and modifying grub?

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• Error opening hyperlinks in Excel 2003

  - by richardtallent

  When clicking to follow hyperlinks from Excel, I'm now getting this error: Unable to open http://blah... Cannot download the information you requested. The hyperlinks in the Excel file are created using the HYPERLINK() formula. I use Google Chrome as my default browser. The web site in question uses Basic Authentication, and I've entered correct credentials when prompted (the dialog looked like an IE auth box, not Chrome's, but it's always been that way, even when it was working properly). This hasn't been an issue until recently. I'm guessing our IT department made some lame change to IE's configuration that is causing Office to not be able to open the URLs, despite having Chrome as my browser. Things I've checked already: URLs are good, they work fine when pasted manually into Chrome, IE, or Firefox. IE is not set to Work Offline (already found that suggestion on Google). I checked Program Access and Defaults and verified that Chrome is selected. Nothing in the URL requires URLEncoding, so it's no goofy issue with encoding I've had reports from some other users now and then about the same problem, but this is the first time I've experienced it myself.

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• Adaptec 2420SA RAID 1 rebuild 66% after 1 week

  - by moss

  We're running a 500GB RAID 1 on an Adaptec 2420SA - 2x500GB Hitachi Drives. It suddenly crashed and required a rebuild -- was not even booting. It's only at 66% after about a week. Very frustrated. This is the second box with the same card and drives that has had issues with the RAID/drives. Another box had this happen twice. Both machines are Linux boxes. CentOS and Fedora. I dunno if it's the firmware -- which currently needs an update (any help doing this over PXE would be great- I have used UDA to do PXE boots in the past). Anyway, would love to hear about experiences with this card and firmware. I thinking of going google and just using cheap boxes no raid and have server redundancy instead.

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• Compaq R4000 laptop randomly locking up

  - by Josh

  I have a Compaq R4000 laptop with 2GB of RAM, running Ubuntu Linux 9.10. It is randomly locking up on me, approximately once every two days. I have a second partition with Windows XP Home installed, and I have had the system lock up in XP as well, meaning I believe this is a hardware issue. I have run two passes of Memtest86+ with no errors. The system has a fan that has died, so I initially suspected overheating. However the system just locked up on me while I was in the middle of typing a script to warn me / shut down if the temperature was too high. When the lockup happened the temperature was 88°F, so I am now starting to believe that may not be the issue. When the system locks up, I cannot SSH in nor ping it. Nothing shows in syslog when I reboot. I have configured it to send syslog messages to a local server as well and no messages appear on that server when the lockup happens. I am open to any and all advice!

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