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• Unrelated Files Corrupted on System Restore

  - by Yar

  I restored OSX 10.6.2 today (was 10.6.3 and not booting) by copying the system over from a backup. The data directories were not touched. In the data directories, I'm seeing some files as 0 bytes, and getting permission-denied errors when copying, even when using sudo cp or the Finder itself. Some programs, differently, take the files at face value and see no permission problems (such as zip), but they see the files as zero bytes, which would be game-over for recovery. cp: .git/objects/fe/86b676974a44aa7f128a55bf27670f4a1073ca: could not copy extended attributes to /eraseme/blah/.git/objects/fe/86b676974a44aa7f128a55bf27670f4a1073ca: Operation not permitted I have tried sudo chown, sudo chmod -R 777 and sudo chflags -R nouchg which do not change the end result. Strangely, this is only affecting my .git directories (perhaps because they start with a period, but renaming them -- which works -- does not change anything). What else can I do to take ownership of these files? Edit: This question comes from StackOverflow because I originally thought it was a GIT problem. It's definitely not (just) GIT. Anyway, this is to help put some of the comments in context.

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• IIS 6 Denies access to the default document

  - by Jim

  I've got Windows Server 2k3 with IIS6 hosting a couple ASP.NET MVC 2 applications (.NET 4), all in the Default Web Site. Most of them simply use Integrated authentication, but a couple use forms as well. All the applications work properly and are correctly accessible. The problem I'm trying to resolve is access to the default document. It is currently specified as index.htm. Both index.htm and the Default Web Site are configured to allow anonymous access (with none of the authenticated acces boxes checked). However, access is denied to the file. Accessing via server.domain.tld/ and server.domain.tld/index.htm both yield 401 errors. However, server.domain.tld/default.htm (file does not exist) properly returns a 404. If I alter the file security on index.htm to allow integrated authentication, then requesting /index.htm directly works properly for users with domain accounts, but anonymous users get a login prompt/401. How can I configure IIS to allow all users to view index.htm via server.domain.tld/?

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• How to change password on RAR archive w/o modifying arch. files attributes (modified/created)?

  - by Larry78

  How do I change the password of an .RAR archive, without changing the date/time attributes of the files in the archive? Unfortunately you can't directly change the password of the archive with WinRAR, you have to extract the files, and then make a new archive with the new password. So the created/modified attributes of the files in the archive get changed. I know you can manually change the attributes of a file with available utilities - but there are hundreds of files in the archive, each with unique attributes, so it would take a very long time to "fix" each file before re-archiving it. I'm using WinRAR 3.51, the last free version. Windows XP Pro SP3. Update: I don't care if the output is a .RAR file or a ZIP file IZArc4.1 will convert the RAR to a ZIP, and it keeps the dates. The problem is it compresses the file - there isn't a "store" option, and setting the default to store in the main configuration doesn't effect conversions. The RAR contains uncompressed files. None of these other archiving programs will even do a conversion. A couple claim to, or try to, but the errors returned indicate a very lousy application. So far I've tried PeaZip, 7-Zip, FilZip, TugZip, SimplyZipSE, QuickZip, and WinShrink (from downloads.cnet.com). WinRAR gives the error "skipping encryped archive" when I try the conversion. It asks for the password first, and I know it's right, as I opened the archive, and I can read/view all the files in it. It works on non-encrypted files.

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• How should I configure my Apache Hosts File to serve a different site for localhost than for my domain/publicip?

  - by rofls

  I'm trying to test out a LAMP (with PHP5 specifically) setup with Django already serving a website. I want to do the PHP stuff on localhost for now, so that when I do something like this: curl http://localhost/database/script.php?var=1, I get a response from the php server. Right now I'm getting a Django error. I tried something like this in the default file in sites-available: Listen 80 <VirtualHost aaa.bbb.ccc.ddd> ServerName localhost DocumentRoot /home/phpsite </VirtualHost> where aaa.bbb.ccc.ddd is the local ip address, and changing my actual site's settings to specify the public ip, like this: Listen 80 <VirtualHost www.xxx.yyy.zzz> ServerName mysite.com DocumentRoot /srv/www/mysite WSGIScriptAlias / /srv/www/mysite.wsgi </VirtualHost> but then I start getting all kinds of errors when I start apache, such as port ::[80] is already in use or something. I noticed that the hosts file that's located in /etc/apache2/ is apparently pointing everything to mysite.com, including my local ip as well as 127.0.0.1 and 127.0.1.1; Do I need to change the configuration there too?

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• In need of assistance for recovering a lost partition

  - by Tek

  The program that has worked for the most part is Active@ Partition Recovery. I'm so close but yet so far from recovering my data. Okay so here's what happens. In the following screenshot (blanked out a folder and filename with profanity in case some of you guys are at work :P), it detects the partition I accidentally deleted with ALL 100% of my data listed. Of course, I didn't write ANY data to that drive after I did this. But when I click "recover" and finishes the recovery process, in Windows I click on the partition that was just was just recovered... It's EMPTY. The program seems to be able to see my lost files, but when I recover the partition windows doesn't seem to think the same =( Things I tried: I tried running a chkdsk /r /f after I recovered the partition, apparently it couldn't find any errors. Tried using other software like TestDisk to recover the partition, but they (all) act similar to Windows in that it detects the (missing) partition but when I browse it there's no files. The partition is there along with all the file and data information. The sector information is also in the screenshot, is there any way I can use this to my advantage in recovering my data? Other information: Dualboot: Win8 / Ubuntu 12.10 x64 1TB Internal desktop drive, GPT Layout, NTFS formatted drive, 64K allocation size.

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• Restore a database with LDF file only

  - by Martin

  First of all, i know how stupid it is not to have a any backup. I can't help it, but i have to (try) to solve it. I have a transaction log (LDF) file from a SQL Server 2000 database that contains all transactions since the creation of the database. No truncation has been done. The MDF file is gone. Probably because of some disk failure. There is no backup. Not from the original database and not from the transaction log. I have tried to link the transaction log to a new clean database. But (ofcourse) that failed because SQL Server checks the identity of both files. I have read about software that can read the transaction log. ApexSQL seems to do that. I tried to install the trial version but it gives weird errors when trying to start the program. Anyone knows a solution for me? It may contain third party software, but i prefer a clean SQL Server solution.

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• Noisily rendered text in Firefox

  - by Notinlist

  It came to me in a week or so that certain pages (Facebook, StrackOverflow, some news sites) have text rendering errors in Firefox. As a workaround if I refresh the page, or simply select and deselect the buggy text, the unpleasant effect disappears. I don't have this effect in Internet Explorer or in any of my desktop applications. Windows 7 Pro 64bit (fresh) Firefox 19.0.2 (fresh) Ati Radeon HD 4600 Series (fresh drivers) Thanks for the help in advance! Update 1/2 I have only three addons: Forecastfox, Hungarian spell checking dictionary and Quick locale switcher. The latter two are installed after the effect appeared. I disabled the first individually and did not helped. But if I start my firefox with disabled addons I cannot reproduce the error. As far as I know this mode does not mean disabled plugins, which I do have (Adobe Acrobat, Citrix ICA Client, Google Earth plugin, Google update, Java Deployment Toolkit 6, MS Office 2010, MS Windows Media Player Firefox, Shockwave Flash, Silverlight, VLC Web). Update 2/2 If I disable all plugins and extensions I still have the problem. If I start Firefox with disabled addons then I cannot reproduce the problem.

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• How do I configure IIS to allow access to network resources for PHP scripts?

  - by Dereleased

  I am currently working on a PHP front-end that joins together a series of applications running on separate servers; many of these applications generate files that I need access to, but these files (for various reasons) reside on their parent servers. If I, from the command line, issue a bit of script such as: <?php var_dump(glob("\\\\machine-name\\some\\share\\*")); I will get the full contents of that directory, proving that there's no problem programmatically with PHP reading the contents of a UNC share. However, if I try to execute the same script from the web server, I get an empty array -- more specifically, if I use more explicitly functions designed to "open" a directory like it was a file, I get access errors. I believe this to be a permissions issue, but I am not a server/network administrator type, so I'm not sure what I need to do to correct this and get my script running, and the links I've checked out have not been a terrible amount of help, perhaps due to my background, or lack thereof as far as IIS is concerned, coupled with the fact that we are not actually using .NET for this. Relevant Stats: Windows Server 2008 Standard SP2 IIS 7.0 PHP 5.2.9 I will be connecting to two types of servers: a few other nearly-identical Server 2008 machines, and a machine running embedded XP. Links that have not been particularly helpful but maybe I am just misreading: http://support.microsoft.com/?id=306158 http://support.microsoft.com/kb/207671/EN-US/ http://support.microsoft.com/kb/280383/

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• Uninstall Glassfish and metro completely

  - by user775829

  I thought of updating my Glassfish server from 2.1 to 3.1.1 in a Linux machine. I downloaded the .ZIP package. However during uninstalling of Glassfish v2.1 I did not find the uninstall.sh file in "bin" directory. Following are a few steps which I did... I removed the glassfish folder (rm -rf ...) After removing files in the end it gave me a notification that it could not remove 2 files used by Metro. I cant recollect those file names, but I manually deleted that folder. I made a mistake by first not uninstalling Metro. I uninstalled metro completely after that. but it seemed pointless (it uninstalled successfully :P ) I transfered the Glassfish 3.1.1 ZIP file and unzipped and configured it. FOllow are a few Problems I am facing I cannot deploy any of my WAR file. Its giving errors saying " Error creating bean,Instantiation of bean failed etc etc." (However the WAR file is getting deployed successfully in other Linux Machine) When I try installing Metro v2.1 separately, it does not show the admin console or it timesout while starting the domain. The Log File of the Domain says it has started the domain successfully and the process is also created. But after running the command (asadmin) it takes like forever and times out without showing Domain Started Successfully, There is no uninstall.sh in Glassfishv3.1.1 bin directory. How do I completely uninstall Glassfish v 3.1.1 and Metro 2.1 ??? What are the files which I will have to manually remove?

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• Why can't I browse my D: drive, even if I'm in the Administrators group?

  - by Nic Waller

  My fileserver running Windows Server 2008 has two logical drives; the C: drive contains all of the system and application data, and the D: drive contains all of the business data. There are several shares on the top level of the D: drive that are working fine. However... When logged into the fileserver interactively via Remote Desktop, only the Domain Administrator and local Administrator accounts can browse the D: drive. I set up an account called "Maintenance" and added it to the local Administrators group, but when logged in with this user, I can't browse into the D: drive. The D: drive has the following permissions ACL: Full Access - SYSTEM Full Access - MACHINE\Administrators It won't even let me view the ACL for the E: drive. So I tried taking ownership of the E: drive, then I can read the ACL, and "Effective Permissions" says that I have full access. But I still get this error message. Location is not available D:\ is not accessible. Access is denied. Here's a screenshot proving that I get access denied even when I have Full Access. http://www.getdropbox.com/gallery/2319942/1/errors?h=2bd644

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• Problems setting up VLC Sever/client streaming

  - by Ayos

  I'm trying to set up a Linux machine as the server and a Windows XP machine as the client. Both machines are connected to the same local network via a Wi-Fi router. I setup the stream with the following properties : http stream port 8080 play locally And not much else. No firewall on the windows client(Windows firewall is disabled) When I try to open network stream via the client machine(Using VLC or Windows Media Player) I get the following errors: Media Player error code : 0xC00D11B3: Encountered a network Problem. VLC Console: main warning: connection timed out access_mms error: cannot connect to 192.168.1.3:8080 main debug: no access module matching "http" could be loaded main debug: TIMER module_need() : 12625.810 ms - Total 12625.810 ms / 1 intvls (Avg 12625.809 ms) main error: open of `http://192.168.1.3:8080' failed main debug: dead input main debug: repeating item main debug: starting playback of the new playlist item main debug: resyncing on http://192.168.1.3:8080 main debug: http://192.168.1.3:8080 is at 0 main debug: creating new input thread main debug: Creating an input for 'http://192.168.1.3:8080' main debug: using timeshift granularity of 50 MiB, in path 'C:\DOCUME~1\Accer\LOCALS~1\Temp' main debug: `http://192.168.1.3:8080' gives access `http' demux `' path `192.168.1.3:8080' main debug: creating demux: access='http' demux='' location='192.168.1.3:8080' file='\\192.168.1.3:8080' main debug: looking for access_demux module: 0 candidates main debug: no access_demux module matched "http" main debug: TIMER module_need() : 0.461 ms - Total 0.461 ms / 1 intvls (Avg 0.461 ms) main debug: creating access 'http' location='192.168.1.3:8080', path='\\192.168.1.3:8080' main debug: looking for access module: 2 candidates access_http debug: http: server='192.168.1.3' port=8080 file='' main debug: net: connecting to 192.168.1.3 port 8080 qt4 debug: IM: Deleting the input main debug: TIMER input launching for 'http://192.168.1.3:8080' : 13397.979 ms - Total 13397.979 ms / 1 intvls (Avg 13397.978 ms) qt4 debug: IM: Setting an input Need Help. Thanks in advance.

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• Apache https is slow

  - by raucous12

  Hey, I've set apache up to use SSL with a self signed certificate. With https (KeepAlive on), I can get over 3000 requests per second. However, with https (KeepAlive off), I can only get 13 requests per second. I know there is supposed to be a bit of an overhead, but this seems abnormal. Can anyone suggest how I might go about debugging this. Here is the ab log for https: Server Software: Apache/2.2.3 Server Hostname: 127.0.0.1 Server Port: 443 SSL/TLS Protocol: TLSv1/SSLv3,DHE-RSA-AES256-SHA,4096,256 Document Path: /hello.html Document Length: 29 bytes Concurrency Level: 5 Time taken for tests: 30.49425 seconds Complete requests: 411 Failed requests: 0 Write errors: 0 Total transferred: 119601 bytes HTML transferred: 11919 bytes Requests per second: 13.68 [#/sec] (mean) Time per request: 365.565 [ms] (mean) Time per request: 73.113 [ms] (mean, across all concurrent requests) Transfer rate: 3.86 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 190 347 74.3 333 716 Processing: 0 14 24.0 1 166 Waiting: 0 11 21.6 0 165 Total: 191 361 80.8 345 716 Percentage of the requests served within a certain time (ms) 50% 345 66% 377 75% 408 80% 421 90% 468 95% 521 98% 578 99% 596 100% 716 (longest request)

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• Could replacing an old hard drive's circuit board make it work again?

  - by oscilatingcretin

  I have a 12-year-old, 10gb Maxtor drive that died on me around 7 years ago, but I have not had the heart to throw it away. When the computer powers on, it whirrs silently as it tries to spin up and then it stops. So, a few years ago, I sent it off for professional data recovery. They were able to retrieve quite a bit from it, but I know there's a bunch more there. It only cost $700, so I just chalked up the lackluster recovery effort to "you get what you pay for" considering that most companies will charge you several thousands of dollars for this kind of data recovery. When they sent the drive back, I couldn't help but plug it back in just to see if maybe they unjammed something in the process of disassembling/reassembling the drive. To my surprise, the drive had a much healthier spin-up sound and actually stayed spinning for several minutes before winding down to a halt. Windows is even able to detect and interact with the drive, but I get I/O errors after so many minutes of waiting for it to mount. Before I start doing stupid stuff with it like dropping it on the ground, freezing it, crapping on it, etc, I decided to buy the exact same model off Ebay so that I could swap the circuit boards as a last-ditch effort. While it's en route, I thought I'd come here to ask if this is even a worthwhile effort and, if even remotely so, what should I know before ripping off the old board and slapping on the new?

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• How would I change the DocumenRoot on the version of Apache that came pre-installed on my Mac OS X s

  - by racl101

  OK, so I want to take advantage of the Apache server that comes installed on my Mac OS X system (which means, I would like not to have to install my own version of Apache since I might as well tryto use what comes bundled), and as such, I went to change some settings in the configuration file: /etc/apache2/httpd.conf Namely, I changed the these two lines: DocumentRoot "/Users/myusername/Sites" <Directory "/Users/myusername/Sites"> So that they initially pointed to a folder in my Dropbox folder (so I could have my docs sync to my Dropbox): DocumentRoot "/Users/myusername/Dropbox/public_html" <Directory "/Users/myusername/Dropbox/public_html"> That didn't work. So then I figured, ok maybe it was too much to ask to make folder in my Dropbox be my document root. So then I thought, what if I make the Document root another folder of my choosing like so: DocumentRoot "/Users/myusername/dev-sites/public_html" <Directory "/Users/myusername/dev-sites/public_html"> and that didn't work either. After looking within the httpd.conf file for clues it seems that only two directories appear to work as Document root paths for the Apache that comes bundled with Mac OS X: /Users/myusername/Sites (or ~/Sites) and /Library/WebServer/Documents/ But trying to use any other directories didn't seem to work. I would get 403 errors on my browser. I was wondering if there was some other settings to change on the httpd.conf file or any permissions to set to make this work. Any help would be appreciated and many thanks in advance.

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• Is my "Generic" USB Flash Drive broken?

  - by Jesse J.

  So here is the situation. I find myself technological knowledgeable about many things ( I love to code, whether it's websites, C#, C++ or so on). However: My 2 toddlers (my wife actually) bought me a "Generic" 128 GB USB Storage Device (Usb Flash Drive) for Father's Day. I thought awesome at first..... WRONG! Nothing but problems with it. 3-4mb/s MAX transfer speed. I can bear with it. BUT! When I went to reformat my computer I transferred my save files from my games over to the stick and then the USB Stick managed to become corrupted. Not just a simple format would work either. It's screwed. I tried to use (Manually changed usb drive letter troubleshooting it to X) "chmod X: /X /F /R" with administrator rights, I did this after a long session to make it work with no errors (had to delete the log) and I finally recovered the files, however when I go to use it (transfer to or from) it transfers a couple kb to the stick or from it and then freezes, It says (Windows 7): Name: From: Folder (X:\File\Location) To: Folder C:\Users\Username\Desktop) Items Remaining: 0 (0 bytes) Speed: 0 bytes/second It does this forever... and ever... and ever... It transfered 3 files atleast, and then stopped. This is a new USB Stick bought from a "High" reputation company on eBay. Is the USB Stick screwed?

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• Hyper-V vss-writer not making current copies [migrated]

  - by Martinnj

  I'm using diskshadow to backup live Hyper-V machines on a Windows 2008 server. The backup consists of 3 scripts, the first will create the shadow copies and expose them, the second uses robocopy to copy them to a remote location and the third unexposes the shadow copies again. The first script – the one that runs correctly but fails to do what it's supposed to: # DiskShadow script file to backup VM from a Hyper-V host # First, delete any shadow copies of the drives. System Drives needs to be included. Delete Shadows volume C: Delete Shadows volume D: Delete Shadows volume E: #Ensure that shadow copies will persist after DiskShadow has run set context persistent # make sure the path already exists set verbose on begin backup add volume D: alias VirtualDisk add volume C: alias SystemDrive # verify the "Microsoft Hyper-V VSS Writer" writer will be included in the snapshot # NOTE: The writer GUID is exclusive for this install/machine, must be changed on other machines! writer verify {66841cd4-6ded-4f4b-8f17-fd23f8ddc3de} create end backup # Backup is exposed as drive X: make sure your drive letter X is not in use Expose %VirtualDisk% X: Exit The next is just a robocopy and then an unexpose. Now, when I run the above script, I get no errors from it, except that the "BITS" writer has been excluded because none of its components are included. That's okay because I really only need the Hyper-V writer. Also I double checked the GUID for the writer, it's correct. During the time when the Hyper-V writer becomes active, 2 things will happen on the guest machines: The Debian/Linux machine will go to a saved state and restore when done, all fine. The Windows guests will "creating vss snapshop-sets" or something similar. Then X: gets exposed and I can copy the .vhd files over. The problem is, for some reason, the VHD files I get over seems to be old copies, they miss files, users and updates that are on the actual machines. I also tried putting the machines in a saved sate manually, didn't change the outcome. I hope someone here has an idea of how to solve this.

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• System randomly freezes yet mouse still moves

  - by user784446

  This problem has lasted for the past 48 hours. The first time it happened, a program I was running stopped responding, so I tried to end it from task manager. The processes at first were listed fine until hovered upon. Eventually, despite the mouse still being able to move, after a few persisting clicks the mouse finally stopped moving. The screen went blank shortly thereafter. The second time it occurred, items on the screen stopped responding - hovering over the taskbar or such wouldn't elicit a response. Sound would still play however. Eventually, the mouse became unresponsive and the system restarted itself. I suspect that it may be a problem of my SSD drive. After looking through some Google search results, I downloaded HDTunePro to determine if there's a problem with the drive. Results returned a problem of reallocated sector count. An error scan also revealed 48 bad sectors. Also, an attempt to backup the contents of the most important areas of the drive returned a few explorer "Error: cannot read source from disk" errors. Should I ditch the drive and use another drive or is there anything that can be done to repair the drive? SSD: OCZ Petrol 64gb CPU: AMD Athlon II X4 640 RAM: Generic 3GB DDR2 Motherboard: Gigabyte MA74GM-S2H OS: Windows 7 Ultimate x64 Thanks!

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• Is it possible to command a common router without using the web interface?

  - by MDeSchaepmeester

  Some background The internet arrangement in my student home is really weird. There is one ethernet outlet and several wifi hotspots. Either way requires a login through a web site to get internet access. This is annoying as each device needs to login seperately and with a PS3 for example, it is impossible to get connected at all since the web login procedure doesn't work. Therefore I have installed a D-Link DIR-635 router which is connected to the ethernet outlet. It has DHCP enabled so it uses NAT, but whatever it is connected to also uses NAT and I've read this should not work. A fellow student tried it with an Apple Airport but that keeps giving errors related to NAT after NAT. Anyway my setup does work so bonus points if you can clarify this. I need to login to the web site I mentioned earlier with any device, after which all devices in my LAN have connectivity. This is great. Except... In short From time to time, I lose internet connectivity and my D-Link DIR-635 router needs to do a DHCP renew. I can do this via the web interface but my life would be easier if I could just run a cmd file which tells my router to do this without all the hassle. This would setup a connection to my router and execute the proper command. I have tried googling but couldn't find much helpful stuff.

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• vmware player won't run on CentOS due to missing /dev/vmmon, what could be the problem?

  - by Graphics Noob

  So I've tried installing vmware player 3.1.4 and 3.1.3 and both times had the same problem, when I try to load a VM I get the error "Could not open /dev/vmmon". When I ls /dev/ I can see there is no "vmmon" device present. When I try running: sudo /etc/init.d/vmware start I get the output: Starting VMware services: VMware USB Arbitrator [ OK ] Virtual machine monitor [FAILED] Virtual machine communication interface [ OK ] VM communication interface socket family [ OK ] Blocking file system [ OK ] Virtual ethernet [FAILED] which shows that the Virtual Machine Monitor fails to load. I tried following the advice on this site and ran vmware-modconfig --console --install-all I notice during the compilation there are no errors, but at the end I get the message: Starting VMware services: VMware USB Arbitrator [ OK ] Virtual machine monitor [FAILED] Virtual machine communication interface [ OK ] VM communication interface socket family [ OK ] Blocking file system [ OK ] Virtual ethernet [ OK ] Unable to start services Out of curiousity I tried: sudo /sbin/insmod /lib/modules/2.6.18-238.9.1.el5xen/misc/vmmod.ko But got the error message: insmod: error inserting 'vmmon.ko': -1 Invalid module format I have a feeling this may be the root of the problem, but I don't know what could be causing it or how to fix it.

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• PHP Not Automatically Updating With ?reload=1

  - by user32007

  A friend built a ranking system on his site and I am trying to host in on mine via wordpress and godaddy. It updates for him but when I load it to my site, it works for 6 hours, but as soon as the reload is supposed to occur, it errors and I get a 500 timeout error. His page is at: jeremynoeljohnson .com/yakezieclub My page is currently at http://sweatingthebigstuff.com/yakezieclub but when you ?reload=1 it will give the error. Any idea why this might be happening? Any settings that I might need to change? Here is the top of the index.php file. I'm not sure which part of any of it is messing up. I literally uploaded the same code as him. Here's the reload part: $cachefile = "rankings.html"; $daycachefile = "rankings_history.xml"; $cachetime = (60 * 60) * 6; // every 6 hours, the cache refreshes $daycachetime = (60 * 60) * 24; // every 24 hours, the history will be written to - or whenever the page is requested after 24 hours has passed $writenewdata = false; if (!empty($_GET['reload'])) { if ($_GET['reload']== 1) { $cachetime = 1; } } if (!empty($_GET['reloadhistory'])) { if ($_GET['reloadhistory'] == 1) { $daycachetime = 1; $cachetime = 1; } } if (file_exists($daycachefile) && (time() - $daycachetime < filemtime($daycachefile))) { // Do nothing } else { $writenewdata = true; $cachetime = 1; } // Serve from the cache if it is younger than $cachetime if (file_exists($cachefile) && (time() - $cachetime < filemtime($cachefile))) { include($cachefile); echo ""; exit; } ob_start(); // start the output buffer ?

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• install Oracle’s VirtualBox

  - by Shamith c

  I am trying to install Oracle’s VirtualBox. I used sudo dpkg -i virtualbox-4.2_4.2.4-81684\~Ubuntu\~quantal_i386.deb Getting following errors (Reading database ... 226237 files and directories currently installed.) Preparing to replace virtualbox-4.2 4.2.4-81684~Ubuntu~quantal (using virtualbox-4.2_4.2.4-81684~Ubuntu~quantal_i386.deb) ... Unpacking replacement virtualbox-4.2 ... dpkg: dependency problems prevent configuration of virtualbox-4.2: virtualbox-4.2 depends on libc6 (>= 2.15); however: Version of libc6 on system is 2.13-20ubuntu5. virtualbox-4.2 depends on libqtcore4 (>= 4:4.8.0); however: Version of libqtcore4 on system is 4:4.7.4-0ubuntu8.1. virtualbox-4.2 depends on libqtgui4 (>= 4:4.8.0); however: Version of libqtgui4 on system is 4:4.7.4-0ubuntu8.1. dpkg: error processing virtualbox-4.2 (--install): dependency problems - leaving unconfigured Processing triggers for ureadahead ... Processing triggers for shared-mime-info ... How to solve it?

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• How to fix high Load_Cycle_Count laptop drive (TOSHIBA MK6006GAH in Vaio TX1XP)?

  - by Sam Brightman

  Hoping someone knows exactly what's going on here. It seems this drive has some combination of aggressive power saving settings and Ubuntu defaults that has massively increased the Load_Cycle_Count for the drive: https://wiki.ubuntu.com/DanielHahler/Bug59695 So the drive is now so slow that it cannot boot because it takes long enough to access the data that the kernel will not recognise it properly. I'm not worried about the data on the drive, but would really like to keep the laptop functioning. There is some indication that this is possible because the figure is still low 200,000s and most drives supposedly go to 600,000. Additionally, SMART tests pass and consider the drive healthy and without errors. But the really surprising thing was when I ran mhdd... Every single read came up red (slow) until I pressed 'R' for reset drive. I noticed the next read was normal speed, so held down 'R'. Magically the drive read perfectly for as long as I held the key BUT resumed slow (and noisy) seeking/reading after releasing. I don't think the source code to mhdd is available, so I'm not exactly sure what this means (besides, I don't know enough low-level HDD stuff either). It seems like the drive should be able to work, but is stuck trying to power save or something. There are no BIOS options on the laptop. Does anyone know how I can stop the drive from doing extremely slow/noisy operations like this? Or is constantly resetting the drive also damanging, and only causing it to work well by luck (i.e. not a suggestion that it's fixable)?

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• Deployment and monitoring tools for java/tomcat/linux environment

  - by Ran

  I'm a developer for many years, but don't have tons of experience in ops, so apology if this is a newbe question. In my company we run a web service written in Java mainly based on a Tomcat web server. We have two datacenters with about 10 hosts each. Hosts are of several types: Dababase, Tomcats, some offline java processes, memcached servers. All hosts are Linux CentOS Up until now, when releasing a new version to production we've been using a set of inhouse shell script that copy jars/wars and restart the tomcats. The company has gotten bigger so it has become more and more difficult operating all this and taking code from development, through QA, staging and to production. A typical release many times involves human errors that cost us precious uptime. Sometimes we need to revert to last known good and this isn't easy to say the least... We're looking for a tool, a framework, a solution that would provide the following: Supports the given list of technology (java, tomcat, linux etc) Provides easy deployment through different stages, including QA and production Provides configuration management. E.g. setting server properties (what's the connection URL of each host etc), server.xml or context configuration etc Monitoring. If we can get monitoring in the same package, that'll be nice. If not, then yet another tool we can use to monitor our servers. Preferably, open source with tons of documentation ;) Can anyone share their experience? Suggest a few tools? Thanks!

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• Power surge PC damage: How can I test all components of my PC without access to a second computer?

  - by Doug T.

  Ever since we had some crazy power surges last week my 64 bit Windows 7 PC has been acting strange. My USB network adapter disconnects from the wireless and can't detect the signal. I have to disable/reenable the adapter to detect it again. Also my wife has reported that the PC has rebooted a few times while I'm not sitting at it. Today I finally caught the reboot while I was using the PC. I got this blue screen of death. Stop Code 0x00000109: "Modification of system code or a critical data structure was detected." I followed the advice at the linked article and ran a memory test. I used memtest86 and its already found around 300,000 errors out of 8 gigs of ram. Now I'm worried -- what are the odds this is isolated to just my memory and not just a system wide problem? Isn't there a good chance that many other components are fried? More importantly, how can I test those other components? Are there tools similar to memtest I can use to test my motherboard/video card/power supply? If these are vender specific, is it typical for vendors to provide testing tools?

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• Postfix not delivering from external senders and not logging anything

  - by simendsjo

  Some semi-recent upgrades must have broken my postfix+dovecot configuration, but I'm having problems finding out what the cause is. My domain is simendsjo.me with the MX record mail.simendsjo.me. I can send mail to both local and external recipients, and it delivers mail from internal mailboxes. The problem is that mail from external senders isn't delivered, and nothing is logged at all. The external sender also doesn't receive any errors. I have no idea where to ever start looking as nothing is logged at all when external mail is sent to my server. So the first issue would be: How can I turn on some debug messages for postfix? I've tried: debug_peer_level = 2 debug_peer_list = simendsjo.me .. And _level = 999 and _list = gmail.com where I'm trying to send emails from. but nothing is logged. When sending mails from a local mailbox (but from an outside computer, not localhost), a lot is logged. I don't have any rules in iptables either. Any ideas how I can get some debug messages for postfix?

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