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• sql server 2008 snapshot agent problem

  - by Dmitri

  Hi! I've just installed mssql 2008 sp1 x64 on windows 7 RTM, and have the problem with creating snapshots, whenever I try to launch the snapshot agent (i.e. to setup transactional replication publication), it throws the error that 'the file is missing'. I have looked into c:\program files\microsoft sql server\100\com and there are no executable files at all, like snapshot.exe! I tried a crazy move to copy all the files from my mssql 2005 com folder, without replacing ofcourse, and now it doesn't give an error, but says 'starting' all the time, but nothing happens. (Now I have removed those files again) I have all of the relevant features installed. So please help me figure out what to do now! Thanks! Dmitri.

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• WEP key not working on laptop running Ubuntu

  - by stupid-idiot

  I can't connect to my router via wifi from my laptop (running Ubuntu) even if I'm 100% sure the WEP key I punch in is correct. It works via LAN though. I'm also not able to ping localhost 127.0.0.1. I had some problems setting up the radio on my network card but I think that that works since it finds some wireless networks. (Although it's much much faster than Windows it's useless since I can't download any libraries for development.) What could be wrong with my setup?

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• Wireless card not found on Ubuntu

  - by Idealflip

  Hello all, I'm trying to setup Ubuntu on an old PC. I ran the following command, lspci, in order to get info on the wireless card installed. 00:0a.0 Ethernet controller: Marvell Technology Group Ltd. 88w8335 [Libertas] 802.11b/g Wireless (rev 03) Does anyone know where I can get drivers for this card/chip? And also, how to install (I'm rather new to linux). Also, I'm sure the card is working because I just formatted over xp, and everything was working well. Thanks in advanced!

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• Access Amazon Linux EC2 over VNC using Guacamole

  - by Neon Flash

  I have a t1.micro Amazon Linux AMI instance running. Now, I want to access it using VNC so that I get the GUI. I came across Guacamole and the installation instructions for the server side configuration. So, I get it that we need to setup Apache Tomcat on the Linux machine and then install all the required dependencies, edit the configuration files for Tomcat. But, how do I access it from Windows? What is the client side configuration? From what I understood so far, instead of using a VNC Client like TightVNC or VNCViewer, we can use the Web Browser to access the Amazon EC2 instance. I am using Windows 7 as the client. I would like to access the Amazon Linux AMI (t1.micro instance) over VNC so that I get the GUI.

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• Cannot dual Windows XP and Ubuntu

  - by Fabio Machado

  I am new to Ubuntu and at the moment I am trying to get Ubuntu 12.10 to one of my machines. The machine is a Pentium 4 @ 3.06, 2Gb RAM, 200GB Hard Drive and a NVidia GeForce 8800 GT. A few days ago, I tried Ubuntu without installing and it worked perfectly. Yesterday, I decided to formatted the hard drive and divide my hard drive into four partitions: 1 for the XP, 1 for Ubuntu, 1 for swamp and 1 where I will have my documents. Everything went great, I installed XP and then Ubuntu but I did something wrong on the partition window (Ubunto partion window) that I ended up without boot loader. This morning, I formatted everything again, installed XP and when I went to install Ubuntu (with the same DVD as before) the problems started. First, I had a black screen with a msg written with white text saying something like: unable to find a medium containing a live file system. After I burned another CD and tried again, I got stuck at the red dots (loading screen). I then went online and I read somewhere that it could be the CD, so I checked the integrity of the CD and everything was fine. I also unplugged all USBs connected to the computer and nothing changed. I goggled further options to try to solve my problem and some users suggested that people having these types of problems should try the alternate installation, which if I am not wrong is for networks. I then tried to install and yes the installation process was different from the normal CD, but it did get stuck on a page where it was doing something, like: ...finding ethd0 and it was stuck on the 100%. I tried USB installation as well and it also got stuck at the red dots (I do not have USB 3.0 on the computer in question). I have burned 5 different CD's and all at low speed. I checked the integrity and all are fine. I downloaded other distribution as well as other versions of Ubuntu and I still cannot install or even run the Live CD of Ubuntu or any other distribution. What is really annoying me is that everything was working perfectly before, when I first tried to install Ubuntu. Anyway, any help is welcome. Edit: My boot load is normal, no errors and all the hardware is working fine. I forgot to mention that after the loading screen (red dots) gets stuck, the DVD drive and the hard drive goes into idle state. I also restored the default values of the BIOS and no luck.

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• Connecting a Mac to the office network

  - by user36501

  Hi All, I am busy preparing to start working with a Mac at work - in addition to my old PC. Just wondered, is it difficult to setup the Mac to run on the office network - i.e. does it need any special settings or servers or anything like that? and also printers...can I use the network printer as normal. I am just pottrying to think ahead of any ential issues. Also share drives...will I be able to access share drives and my backups to these shares drives - all a bit daunting! Btw in case you didn't notice I am a Mac Nube lol

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• Apache 2.2 on Mountain Lion ignoring ProxyPass and sending request to DocumentRoot

  - by James H

  I have sickbeard running at 127.0.0.1:8081/sickbeard ProxyRequests Off ProxyPass /sickbeard http://127.0.0.1:8081/sickbeard ProxyPassReverse /sickbeard http://127.0.0.1:8081/sickbeard in httpd.conf And yet when I try and access http://example.com/sickbeard/ it gives me a 404, with this in the error log. File does not exist: /Library/Server/Web/Data/Sites/Default/sickbeard Which I think means it's ignoring the ProxyPass and ProxyPassReverse directives? Anyone know why this may be? For what it's worth, this setup used to work under Lion. I have the following modules loaded: LoadModule proxy_module libexec/apache2/mod_proxy.so LoadModule proxy_connect_module libexec/apache2/mod_proxy_connect.so LoadModule proxy_ftp_module libexec/apache2/mod_proxy_ftp.so LoadModule proxy_http_module libexec/apache2/mod_proxy_http.so LoadModule proxy_scgi_module libexec/apache2/mod_proxy_scgi.so LoadModule proxy_ajp_module libexec/apache2/mod_proxy_ajp.so LoadModule proxy_balancer_module libexec/apache2/mod_proxy_balancer.so Thanks for your time!

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• Windows 2008R2 two node failover cluster creation fails

  - by Francois Wolmarans

  We have just installed two Windows 2008R2 Enterprise machines with identical hardware. When running the cluster validation everything is ok. When creating the cluster it fails with the following error: An error occurred while creating the cluster. An error occurred creating cluster 'CLUSTER04'. The parameter is incorrect The logfile on the first node where we are running our config from, does not show any errors. On the second node we get: The Cluster service is shutting down because quorum was lost. This could be due to the loss of network connectivity between some or all nodes in the cluster, or a failover of the witness disk. I've double checked and all communication between the servers are fine. Even when creating a one node cluster it gives the error. There are other failover clusters we have setup without any issues.

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• Creating Persistent Drive Labels With UDEV Using /dev/disk/by-path

  - by Matt

  I have a new BackBlaze Pod (BackBlaze Pod 2.0). It has 45 3TB drives and they when I first set it up they were labeled /dev/sda through /dev/sdz and /dev/sdaa through /dev/sdas. I used mdadm to setup three really big 15 drive RAID6 arrays. However, since first setup a few weeks ago I had a couple of the hard drives fail on me. I've replaced them but now the arrays are complaining because they can't find the missing drives. When I list the the disks... ls -l /dev/sd* I see that /dev/sda /dev/sdf /dev/sdk /dev/sdp no longer appear and now there are 4 new ones... /dev/sdau /dev/sdav /dev/sdaw /dev/sdax I also just found that I can do this... ls -l /dev/disk/by-path/ total 0 lrwxrwxrwx 1 root root 10 Sep 19 18:08 pci-0000:02:04.0-scsi-0:0:0:0 -> ../../sdau lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-0:1:0:0 -> ../../sdb lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-0:2:0:0 -> ../../sdc lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-0:3:0:0 -> ../../sdd lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-0:4:0:0 -> ../../sde lrwxrwxrwx 1 root root 10 Sep 19 18:08 pci-0000:02:04.0-scsi-2:0:0:0 -> ../../sdae lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-2:1:0:0 -> ../../sdg lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-2:2:0:0 -> ../../sdh lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-2:3:0:0 -> ../../sdi lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-2:4:0:0 -> ../../sdj lrwxrwxrwx 1 root root 10 Sep 19 18:08 pci-0000:02:04.0-scsi-3:0:0:0 -> ../../sdav lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-3:1:0:0 -> ../../sdl lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-3:2:0:0 -> ../../sdm lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-3:3:0:0 -> ../../sdn lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-3:4:0:0 -> ../../sdo lrwxrwxrwx 1 root root 10 Sep 19 18:08 pci-0000:04:04.0-scsi-0:0:0:0 -> ../../sdax lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-0:1:0:0 -> ../../sdq lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-0:2:0:0 -> ../../sdr lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-0:3:0:0 -> ../../sds lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-0:4:0:0 -> ../../sdt lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-2:0:0:0 -> ../../sdu lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-2:1:0:0 -> ../../sdv lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-2:2:0:0 -> ../../sdw lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-2:3:0:0 -> ../../sdx lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-2:4:0:0 -> ../../sdy lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-3:0:0:0 -> ../../sdz I didn't list them all....you can see the problem above. They're sorted by scsi id here but sda is missing...replaced by sdau...etc... So obviously the arrays are complaining. Is it possible to get Linux to reread the drive labels in the correct order or am I screwed? My initial design with 15 drive arrays is not ideal. With 3TB drives the rebuild times were taking 3 or 4 days....maybe more. I'm scrapping the whole design and I think I am going to go with 6 x 7 RAID5 disk arrays and 3 hot spares to make the arrays a bit easier to manage and shorten the rebuild times. But I'd like to clean up the drive labels so they aren't out of order. I haven't figured out how to do this yet. Does anyone know how to get this straightened out? Thanks, Matt

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• Game of Phones

  - by Carlos Chang

  Game  of  Phones There’s an excellent DZone article titled: 2014 Guide to Mobile Development. It’s loaded with excellent information including some results from a mobile related survey to more than 1000 IT professionals. Without giving away too much, these highlights should convince you to read the entire article.  Web and Hybrid apps are gaining tons of traction particularly in the enterprise. If you want to better understand the differences between Web, Native and Hybrid, this article has you covered. Enterprise developers are increasingly more interested in cross platform tools. Makes sense right?  I mean, unless you have infinite resources (e.g. Facebook) and can afford to write native apps to every platform, finding something that can meet your needs for iOS and Android makes sense.  And toss in the possibility of Windows Phone …and oh, just to be current, the addition of Apple’s new mobile language, Swift, to add to Objective C.. and oh boy.  Why not check out cross platform tools? BTW, don’t  forget testing on each platform, and maintenance and the next versions of the app. It’s not one and done. If you’re successful, you’re never done. Various mobile vendors are represented and many provide some great information.  Oracle's own Suhas Uliyar, VP of Mobile Strategy, represented with some great insights into the challenges of mobile back end integration (SOA, mBaaS, etc.) and moving from "mobile first" to a mobile plus world. BTW, Suhas was recently named Top 100 Wireless Technology Experts for 2014 by Today's Wireless World magazine.  And if your not yet convinced, DZone did a very nice job with their mobile infographic stylized after the insanely popular series, Game of Thrones.  Even though there were no dragons illustrated, worth the price of admission just for that.   Check it out here.

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• In a multi-domain forest, what EXACTLY happens when some, but not all, of the Infrastructure Masters are on Global Catalogs?

  - by MDMarra

  There are plenty of TechNet articles, like this one that say that phantom object don't get updated if an Infrastructure Master is also a Global Catalog, but other than that there isn't a lot of in depth information on what actually happens in this configuration. Imagine a configuration like this: |--------------| | example.com | | | | dedicated IM | |--------------| | | | |-------------------| | child.example.com | | | | IM on a GC | |-------------------| Where child has two DCs that are both global catalogs, meaning that the Infrastructure Master role is on a GC. And, example has three DCs with the Infrastructure Master role on a DC that is not a GC. I understand that it's usually best to just make everything a GC and not have to worry about this sort of thing, but assuming that's not the case - what is the exact error behavior that can be expected from a setup like this, and which domain(s) would this behavior manifest in? The child or the parent?

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• links for 2010-12-15

  - by Bob Rhubart

  Pravin Janardanam: Security in OBIEE 11g, Part 1 Guest blogger Pravin Janardanam kicks off a two-part series in which he tackles the differences in security between OBIEE 11g and 10g, and provides some hints on security migration from a 10g environment. (tags: oracle otn businessintelligence obiee) HttpClusterServlet Configuration (Weblogic Server Acting as a Proxy) Quick tips from Divay Dureja. (tags: oracle weblogic servlet configuration) Accelerating Deployment of Virtualized Infrastructures with the Oracle VM Blade Cluster Reference Configuration "The Oracle VM blade cluster reference configuration is a single-vendor solution that addresses every layer of the virtualization stack with Oracle hardware and software components." - from the white paper. (tags: oracle otn oraclevm virtualization) A SOA Safari (Antony Reynolds' Blog) SOA author Antony Reynolds shares links to some of his favorite SOA titles available for reading on Safari. (tags: oracle otn soa) Using Crossbow and Solaris 11 Express Zones for a single machine proof of concept environment with Puppet "My last blog entry was about my debugging experience with Puppet and promise to share the setup that I used. I now follow up that previous entry with this one which describes my Crossbow + NAT + S11 Zones proof of concept." - Michael Tin (tags: oracle solaris crossbow) @myfear: One thing you did not know about Java EE class loading in GlassFish 2.x "Be careful migrating apps from one app server to the other. And don't expect to have a strong hierarchical class loader in place. That is especially true for GF 2.x class loading." Oracle ACE Director Markus Eisele (tags: oracle otn oracleace java glassfish weblogic)

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• Major Issue with Asus M4A78T-E Bios

  - by user114721

  I am having major issues with my bios and I have tried three different forums in hopes that there is someone out there that can help me.... The issue is that every single time I turn off my computer, when I turn it back on the bios resets and tries to boot from a floppy drive....first problem is I dont have a floppy drive and secondly it does not read my HDD.... I tried everything to fix this...I tried replacing the cmos battery, I tried replacing the sata cable, and I tried a different sata port....none of these things seem to be working. Now the messed up part about all of this is that i am on my computer right now....If I take the battery out and put it back in and setup the bios again manually I am able to get into my computer...but this is NOT normal... Why is my bios resetting constantly when I power down my computer? Please assist me I need my computer for business

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• DPMS, keep screen off when lid shut

  - by Evan Teran

  I have a laptop running linux. In my xorg configuration, I have DPMS setup so that the screen automatically turns off during several events. In addition to that I have to the following script tied to ACPI lid open/close events: #!/bin/sh for i in $(pidof X); do CMD=$(ps --no-heading $i) XAUTH="$(echo $CMD | sed -n 's/.*-auth \(.*\)/\1/p')" DISPLAY="$(echo $CMD | sed -n 's/.* \(:[0-9]\) .*/\1/p')" # turn the display off or back on export XAUTHORITY=$XAUTH /usr/bin/xset -display $DISPLAY dpms force $1 done Basically, this script takes one parameter ("on" or "off") then iterates through all of my running X sessions and either turns on or turns off the monitor. Here's my issue. When I close the lid of the laptop, the screen goes off as expected, but if a mouse event occurs (like if something bumps into the table...) then the screen turns back on even though it is closed (I can see the light through the side of the laptop). Is there a way to prevent the screen from turning on during a mouse event if the lid is closed?

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• nsclient++ intermittent connection refused on same subnet

  - by jshin47

  I have setup Nagios and nsclient++ on a number of my Windows servers. They are all in the same subnet so no routing or firewall stuff is taking place in between the endpoints, and I have verified that the firewalls on the servers are not causing trouble. The problem is that the scheduled checks sometimes fail with "connection refused" and sometimes work! It is a frustrating problem to resolve because I do not know what to look for. One place I did look is in the nsclient++ logs, where I am seeing this recurring error: ...\trunk\modules\CheckSystem\PDHCollector.cpp:148: Failed to query performance counters: \238... This sounds promising, but I couldn't find much on Google about this error as it pertains to NSClient++

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• Azure VM with many IPs or SSL certificates

  - by timmah.faase

  I am looking to move our hosting environment to Azure and by doing so have created a sandpit VM to figure things out. We host around 300-400 websites in IIS and about 2% of these sites have unique, non wildcard certificates all requiring a unique public IP in our current setup. Can you get a range of IPs pointing to 1 VM/Endpoint? Or is it possible to create an SSL proxy? I've never created an SSL proxy but like the idea of it. I'd need advise here on how to proceed if this is the best option. Sorry if this has been answered! Sorry also if my question isn't worded eloquently.

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• MediaShield RAID 5 is showing up as 760GB when the actual size is 2.7TB

  - by Ilya Volodin

  I just finished setting up Windows 2003 Server on my new server. And I started setting up a RAID 5 for it. I have 4x1TB Hard Drives. From MediaSheild RAID Utility (at boot time) the RAID size is displayed as 2.7TB. Linux also shows it as 2.7TB. However, in Windows, everything (including Windows Disk Management as well as Windows based MediaShield utility) is reporting only 760Gb. I already tried converting partitioning table to GUID from MBR, because I read somewhere that Windows can only handle up to 2TB MBR tables, that didn't help much. Tried searching for partitioning utilities that I could use, but couldn't find anything free. Formatted the disk as NTFS partition from within Linux, it stop showing in Windows all together, even MediaShield windows utility isn't showing at anymore. Windows is installed on a separate 500Gb hard drive, that's setup not to support RAID. Any ideas?

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• How to use Active Directory's homeDirectory attribute for Samba?

  - by Shiroi98

  I currently have a Samba share setup where I would like to share Unix folders with Windows users, with Active directory as the backend. I see that there is an attribute called homeDirectory in Active Directory, but no matter what I set, Samba refuses to use that attribute (verified by doing "getent passwd") Additionally, I tried the template homedir = /home/%u in /etc/samba/smb.conf, but the problem is, some users have /home_abc/[username] while others have /home_def/[username]. That sets ALL users to /home/[username]. If I don't use the template homedir, by default it is set to /home/[DOMAIN]/[username]. Bottomline: How can I use Active directory's homeDirectory attribute to set users Home Directory in Unix/Samba? Any help greatly appreciated! :)

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• How do I stop someone using my domain for Spam emails?

  - by Vizioz Limited

  Hi Blog Readers,Every now and then I seem to have one of those low life Viagra sellers using my domain for spam emailing people.I have done everything I can think of to try and prevent then from doing this, but they seem to keep doing it. I just wondered if anyone out there new of a way to stop them?The headers from one of the bounce backs look like this:Return-Path: <[email protected]>Received: from rctp.telecomitalia.it (host49-133-dynamic.52-82-r.retail.telecomitalia.it[82.52.133.49]) by mx.google.com with SMTP id o8si307731weq.161.2010.07.23.05.33.53; Fri, 23 Jul 2010 05:33:59 -0700 (PDT)Received-SPF: fail (google.com: domain of [email protected] does not designate 82.52.133.49 as permitted sender) client-ip=82.52.133.49;Authentication-Results: mx.google.com; spf=hardfail (google.com: domain of [email protected] does not designate 82.52.133.49 as permitted sender) [email protected]: <[email protected]>Date: Fri, 23 Jul 2010 14:33:52 +0200From: Garnett Mckinnie <[email protected]>MIME-Version: 1.0To: NAME REMOVE <[email protected]>Subject: Where we are well established we areAs you can see from the headers, I have setup the SPF record and it is receiving a "hardfail"We are using Google Apps for our email hosting, so you'd kinda hope that they have got things pretty much secured down, so what I am missing? Or is it always going to be possible for other people to fake sending emails using another domain?

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• Panning with the OpenGL Camera / View Matrix

  - by Pris

  I'm gonna try this again I've been trying to setup a simple camera class with OpenGL but I'm completely lost and I've made zero progress creating anything useful. I'm using modern OpenGL and the glm library for matrix math. To get the most basic thing I can think of down, I'd like to pan an arbitrarily positioned camera around. That means move it along its own Up and Side axes. Here's a picture of a randomly positioned camera looking at an object: It should be clear what the Up (Green) and Side (Red) vectors on the camera are. Even though the picture shows otherwise, assume that the Model matrix is just the identity matrix. Here's what I do to try and get it to work: Step 1: Create my View/Camera matrix (going to refer to it as the View matrix from now on) using glm::lookAt(). Step 2: Capture mouse X and Y positions. Step 3: Create a translation matrix mapping changes in the X mouse position to the camera's Side vector, and mapping changes in the Y mouse position to the camera's Up vector. I get the Side vector from the first column of the View matrix. I get the Up vector from the second column of the View matrix. Step 4: Apply the translation: viewMatrix = glm::translate(viewMatrix,translationVector); But this doesn't work. I see that the mouse movement is mapped to some kind of perpendicular axes, but they're definitely not moving as you'd expect with respect to the camera. Could someone please explain what I'm doing wrong and point me in the right direction with this camera stuff?

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• MS Bing web crawler out of control causing our site to go down

  - by akaDanPaul

  Here is a weird one that I am not sure what to do. Today our companies e-commerce site went down. I tailed the production log and saw that we were receiving a ton of request from this range of IP's 157.55.98.0/157.55.100.0. I googled around and come to find out that it is a MSN Web Crawler. So essentially MS web crawler overloaded our site causing it not to respond. Even though in our robots.txt file we have the following; Crawl-delay: 10 So what I did was just banned the IP range in iptables. But what I am not sure to do from here is how to follow up. I can't find anywhere to contact Bing about this issue, I don't want to keep those IPs blocked because I am sure eventually we will get de-indexed from Bing. And it doesn't really seem like this has happened to anyone else before. Any Suggestions? Update, My Server / Web Stats Our web server is using Nginx, Rails 3, and 5 Unicorn workers. We have 4gb of memory and 2 virtual cores. We have been running this setup for over 9 months now and never had an issue, 95% of the time our system is under very little load. On average we receive 800,000 page views a month and this never comes close to bringing / slowing down our web server. Taking a look at the logs we were receiving anywhere from 5 up to 40 request / second from this IP range. In all my years of web development I have never seen a crawler hit a website so many times. Is this new with Bing?

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• How compatible are VMWare and VirtualBox?

  - by MikeKusold

  At my workplace, everyone uses VMware Player (and some people have licenses for Workstation). We frequently share VMs to save time on development setup. However, I would really like to take advantage of the Snapshot feature in VirtualBox since I am unable to acquire a license for Workstation. I have read that VirtualBox has no issues reading VMWare VMs (including VMs with snapshots). However, I'm worried about how compatible things are the other way. In VirtualBox, I open up a VM created in VMware and create multiple snapshots. Can the resulting files be opened in VMware?

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• Invalid BOOT.INI (dual boot XP with 7)

  - by Muxa

  I had Windows XP x64 as my main system, and i also had a second partition with Windows XP x64. Both booted from first partition (C:) I then installed Windows 7 Ultimate on the first partition. I've added NTLDR using BCDRDIT. I've also copied NTLDR, NTDETECT.COM and BOOT.INI onto the drive where XP remained. However then i try to boot into Windows XP x64 i get Invalid BOOT.INI file Booting from c:\windows\ NTDETECT failed I found instructions on how to fix it using a boot disk, however the partitions are on a software RAID. I've tried to boot from a customized XP CD with the drivers, however it does not offer me a Repair option for some reason - just setup. Partitions that i have:'= System Reserved Main (Windows 7) Secondary (Windows XP x64) Here's the contents of my BOOT.INI: [boot loader] timeout=30 default=multi(0)disk(0)rdisk(0)partition(3)\WINDOWS [operating systems] multi(0)disk(0)rdisk(0)partition(3)\WINDOWS="Windows XP Professional x64 Edition" /fastdetect

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• Disk full, du tells different. How to further investigate?

  - by initall

  I have a SCSI disk in a server (hardware Raid 1), 32G, ext3 filesytem. df tells me that the disk is 100% full. If I delete 1G this is correctly shown. However, if I run a du -h -x / then du tells me that only 12G are used (I use -x because of some Samba mounts). So my question is not about subtle differences between the du and df commands but about how I can find out what causes this huge difference? I rebooted the machine for a fsck that went w/out errors. Should I run badblocks? lsof shows me no open deleted files, lost+found is empty and there is no obvious warn/err/fail statement in the messages file. Feel free to ask for further details of the setup.

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• Raid0 performance degradation?

  - by davy8

  Not sure if this belongs here or on SuperUser, feel free to move as appropriate. I've noticed the performance on my RAID0 setup seems to have degraded over the past months. The throughput is fine, but I think the random access time has increased or something. In use I generally see about 1-5mb/sec when loading stuff in Visual Studio and other apps and it doesn't seem like the CPU is bottlenecking as the CPU utilization is pretty low. I don't recall what Access Time used to be, but HD Tune is reporting 12.6ms Read throughput is showing as averaging about 125MB/sec so it should be great for sequential reads. Defrag daily and it shows fragmentation levels low, so that shouldn't be an issue. Additional info, Windows 7 x64, Intel raid controller on mobo, WD Black 500GB (I think 32mb cache) x2.

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