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• I need something substantial to do [on hold]

  - by Christian Delapena

  I'm a 19 year old computer geek who was recently exposed to Linux. I know quite a bit of it now and would like to do something substantial with it. I've visited websites like openhatch where you can get started on opensource projects but I'm more interested in something Linux-specific like hosting a website or tracking some important operation. Maybe running a script that will give me data on something important. I don't know. I'm essentially bored and I want to put my knowledge and love of Linux to good use. Someone please point me in the right direction.

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• Our Server Rooted but exploit doesnt work?

  - by Salina Odelva

  Hi everyone. My friend's hosting server got rooted and we have traced some of attacker's commands.. We've found some exploits under /tmp/.idc directory.. We've disconnected the server and are now testing some local kernel exploits that the attacker tried on our server. Here is our kernel version: 2.4.21-4.ELsmp #1 SMP We think that he got root access by the modified uselib() local root exploit but the exploit doesn't work! loki@danaria {/tmp}# ./mail -l ./lib [+] SLAB cleanup child 1 VMAs 32768 The exploit hangs like this.. I've waited over 5 minutes but nothing has happened. I've also tried other exploits but they didn't work.. Any ideas? or experimentations with this exploit? Because we need to find the issue and patch our kernel but we can't understand how he used this exploit to get root... Thanks

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• Is there a difference between only <NSXMLParserDelegate>, only setDelegate method, or the use of bot

  - by gotye

  Hey, I noticed that when I do this : [myParser setDelegate:self]; it works :D (even if I didn't add the code in the header file ... you know, the <delegateStuff, delegateOtherStuff> in the interface declaration) When are you supposed to modify the header file to make your delegate work ? Is the setDelegate method enough to make it work ? Cheers for any help ;) Gauthier

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• Not Able To Connect to Shared Resource

  - by bobber205

  We are using an older version of BartPE and are not able to connect to shared folders on our subnet. It says the network name could not be found. Connecting to the shared folder on the machine that is hosting it works fine. Any ideas on what might cause this? Thanks! Edit1: Got wireshark running and monitored traffic from the offending machine and tried to map. ZERO packets from the other machine were seen. :(

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• How to configure custom error page in Plesk 9.3 for non existing folder?

  - by Junior Mayhé

  I'm trying to configure Plesk in order to show website visitors a custom error html. The current hosted site is an ASP.NET site. This site shows its custom errors on error403.aspx and error404.aspx files. Now to comply with plesk, I've created error_docs with required files like forbidden.html, etc... When user try to navigate http://mysite.com/a_missing_page.aspx, the visitor is redirected to error404.aspx correctly. But when user try to navigate to a non existent directory http://mysite.com/a_missing_folder/ the site takes me to IIS 404 regular page. Plesk has Custom error documents activated on Web hosting settings. ASP.NET Error pages defined in web.config are showing fine. But it seems plesk wont show its custom html error documents. The bottom line here is about setting up a custom error page to a directory. Is it possible to do this using Plesk or do I have to change it manually on IIS?

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• want to fetch the friends list of facebook thorough fbconnect in iphone using objective-c ?

  - by uttam

  how to fetch the friends list of facebook in iphone through fbconnect in objective-c? I am using this code (void)getUserName { NSString *fql = [NSString localizedStringWithFormat: @"SELECT uid FROM user WHERE is_app_user = 1 AND uid IN (SELECT uid2 FROM friend WHERE uid1 = %lld)",[FBSession session].uid]; NSDictionary* params = [NSDictionary dictionaryWithObject:fql forKey:@"query"]; [[FBRequest requestWithDelegate:self] call:@"facebook.friends.get" params:params]; } - (void)request:(FBRequest*)request didLoad:(id)result { if ([request.method isEqualToString:@"facebook.fql.query"]) { NSArray* users = result; NSDictionary* user = [users objectAtIndex:0]; NSString* name = [user objectForKey:@"name"]; _label.text = [NSString stringWithFormat:@"Logged in as %@", name]; } else if ([request.method isEqualToString:@"facebook.users.setStatus"]) { NSString* success = result; if ([success isEqualToString:@"1"]) { _label.text = [NSString stringWithFormat:@"Status successfully set"]; } else { _label.text = [NSString stringWithFormat:@"Problem setting status"]; } } else if ([request.method isEqualToString:@"facebook.freinds.get"]) { if(myList==nil) { NSArray* users = result; myList =[[NSArray alloc] initWithArray: users]; for(NSInteger i=0;i<[users count];i++) { NSDictionary* user = [users objectAtIndex:i]; NSString* uid = [user objectForKey:@"uid"]; NSString* fql = [NSString stringWithFormat: @"select name from user where uid == %@", uid]; NSDictionary* params = [NSDictionary dictionaryWithObject:fql forKey:@"query"]; [[FBRequest requestWithDelegate:self] call:@"facebook.fql.query" params:params]; } } else { NSArray* users = result; NSDictionary* user = [users objectAtIndex:0]; NSString* name = [user objectForKey:@"name"]; //txtView.text=[NSString localizedStringWithFormat:@"%@%@,\n",txtView.text,name]; NSLog(name); }} I want to get the friends list from facebook and then search/modify then add it to my addressbook. I know this code is doing this but I don't know how to use it or where do I use it.. If you could please post something or just elaborate on how do I use your code thru fbconnect framework. I have implemented upto get permissions and publish feeds one's wall. But please can you post here about the layout details of the results, like what do Ineed to use on the layout point of view.

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• Can I Send An Email From An Email Account That Has Email Forwarding Set Up?

  - by mickburkejnr

  Stick with me on this one, I couldn't think of a correct way to ask the question! I have a domain registered, but it isn't attached to a hosting package or e-mail account. I will do soon, but not at the moment. Right now, I would like to set up an e-mail forwarding scenario. So, I could have the email [email protected] forward to [email protected]. I know this much is possible. What I would like to do, is using the gmail account is to keep the forwarded e-mail address when replying. So when I reply to emails sent to gmail through my e-mail forwarding, I would like any reply to say it came from [email protected] instead of [email protected]. Is this possible? If so how would I go about it?

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• iPhone SDK simple alert message question

  - by Paul

  char asd='a'; UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Are you sure?" message:asd delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"OK", nil]; [alert show]; [alert release]; above code not compiling in iPhone simulator. Why is that? :)

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• How do I profile in DrScheme?

  - by kunjaan

  How Do I profile my functions using DrScheme? (require profile) (define (factorial n) (cond ((= n 1) 1) (else (* n (factorial (- n 1)))))) (profile factorial) The above code returns Profiling results ----------------- Total cpu time observed: 0ms (out of 0ms) Number of samples taken: 0 (once every 0ms) ==================================== Caller Idx Total Self Name+srcLocal% ms(pct) ms(pct) Callee ==================================== > I tried: - (profile (factorial 100)) - (profile factorial) (factorial 100) But it gives me the same result. What am I doing wrong?

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• Asp.net hashing (using codesmith) when upgrading from .net 2.0 to 3.5

  - by user34505

  Hi, I'm administrating servers running IIS 6, hosting a website on ASP.NET 2.0. Yesterday I installed .Net framework 3.5, and all my user authentication system was lost. Users can't log in, because their password arn't getting authenticated, maybe because the hash function has changed in 3.5??? I can't really get to the code, but I know it uses an extention called CodeSmith. Do you know of any break my upgrade the 3.5 ugrade could couse? Please help. Thanks.

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• Prevent Server Restart after Windows Updates

  - by eidylon

  we have a number of servers in our office, as a small hosting company, and these servers are critical to business, ... web server, mail server, db server, etc. On a semi-regular basis, when the machines get automatic updates, they just automagically reboot themselves in the middle of the night. A number of them have software which must be running on the console session (bad practice, I know, but out of my control). When they reboot themselves, these programs obviously shut down, leaving customers upset and services interrupted. How do you set a Windows Server 2003 R2 machine to NEVER automagically reboot itself after updates? And perhaps, if possible, to instead email someone so that they are aware it needs a pending reboot and can schedule it for the best time? Thanks in advance!

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• Linux server cannot be pinged

  - by misamisa

  I have set up a Linux server in DMZ. There is another Windows server running in same DMZ. These two servers can be pinged via internet using my home PC. However, the another Linux server rented from a hosting service provider can only be pinged from the Windows Server and not from the Linux server (accessed via internet). So the situation is: Windows server (DMZ) ---ping--- Rented Server.....Successful Linux server (DMZ) ---ping--- Rented Server.......Unreachable Home PC ---ping--- Linux server (DMZ).......Successful Home PC ---ping--- Windows server (DMZ).....Successful When I ran tcpdump on my Linux Server(DMZ) and started ping from Rented Server, it showed that the Linux Server(DMZ) is receiving ping and replying. There is no restriction defined in hosts.deny and hosts.allow file that might cause this problem. What else should I check to get this working?

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• DNS Provider/Domain Registrar

  - by Arcath

  I have a whole bunch of domains with my current web host and when i got the package i got it with a few gig of web space and a bunch of mysql databases but times have changed and now and i don't use the hosting im paying for, and i just my host as a DNS server to forward everything else where. The process of removing the host is going to require me to transfer all the domains to another package etc... which is going to cause disruption so my question is: Who is the best provider for DNS only? I don't want any space or mail just someone to hold the domains and let me set any DNS options I want (A/MX/CNAME records for everything, even possibly the ability to point my domains at my own DNS server).

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• Adding a virtual directory IIS 7.5 Windows 7 Ultimate x64

  - by Dave

  Trying to get my IIS 7.5 playing nice with VS 2008 on Windows 7 Ultimate 64-bit. I'm getting this error: System.Security.SecurityException: Request for the permission of type 'System.Web.AspNetHostingPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. This happens when accessing a virtual directory outside C:\inetpub\wwwroot. I'd like to be able to create virtual directories outside the root if I can. I've added the NETWORK SERVICE to the folder hosting the virtual directory, still no luck. This folder is on my C: drive, not a share. TIA

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• replace selfjoin with analytic functions

  - by edwards

  Hi Any ideas how i go about replacing the following self join using analytics SELECT t1.col1 col1, t1.col2 col2, SUM((extract(hour FROM (t1.times_stamp - t2.times_stamp)) * 3600 + extract(minute FROM ( t1.times_stamp - t2.times_stamp)) * 60 + extract(second FROM ( t1.times_stamp - t2.times_stamp)) ) ) div, COUNT(*) tot_count FROM tab1 t1, tab1 t2 WHERE t2.col1 = t1.col1 AND t2.col2 = t1.col2 AND t2.col3 = t1.sequence_num AND t2.times_stamp < t1.times_stamp AND t2.col4 = 3 AND t1.col4 = 4 AND t2.col5 NOT IN(103,123) AND t1.col5 != 549 GROUP BY t1.col1, t1.col2

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• IIS 7 AppPool logs an error after recycle due to inactivity

  - by ddysart

  We have Windows 2008 RS Server running IIS hosting an ASP.NET site. This morning there was a weird sequence. First a notice that the AppPool was being recycled due to inactivity: "A worker process with process id of '6896' serving application pool 'xxxx' was shutdown due to inactivity. Application Pool timeout configuration was set to 20 minutes. A new worker process will be started when needed." This makes sense and jibes with out timeout settings, but 30 seconds later we see: "A process serving application pool 'xxxx' terminated unexpectedly. The process id was '6896'. The process exit code was '0xc0000005'." I found an older KB article that explains a condition where this might happend on IIS6 due to permission issues, but am curious what might cause this on IIS7.5, especially since we are not seeing it regularly.

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• Can many addon domains slow down cPanel or create problems?

  - by Marco Demaio

  I actually resell hosting plans by using one single cPanel account and many addon domains under it. Basically for each new user I don't create a new cP account, but I simply create a new ADDON domain and give him the necessary space. I know in this way the final user won't be able to manage his emails and he won't be able to access all cPanel features, but that's ok. I know in my account I'm allowed to add unlimited addon domains, but adding many addon domains is there something that might happen that slows down cPanel or could create problems? Any suggestions you could give me about the way i'm using cPanel which might not be the usual way of using it. (As for instance: "be aware that mails from different addon domains under the same CP account could create many problems.", etc.) Thanks!

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• Why are my USB 2.0 devices hanging Windows XP?

  - by BenAlabaster

  Background on the machine I'm having a problem with: The machine was inherited and appears to be circa 2003 (there's a date stamp on the power supply which leads me to this conclusion). I've got it set up as a Skype terminal for my 2 year old to keep in touch with her grandparents and other members of the family - which everyone loves. It has a DFI CM33-TL/G ATX (identified using SiSoft Sandra) motherboard hosting an Intel Celeron 1.3GHz CPU, 768Mb PC133 SDRAM, a D-LINK WDA-2320 54G Wi-Fi network card and a generic USB 2.0 expansion board based on the NEC uPD720102 chipset containing 3 external and 1 internal USB sockets. It's also hosting a 1.44Mb floppy drive on FDD0, a new 80Gb Western Digital hard drive running as master on IDE0 and a Panasonic DVD+/-RW running as master on IDE1. All this is sitting in a slimline case running off a Macron Power MPT-135 135W Flex power supply. The motherboard is running a version of Award BIOS 05/24/2002-601T-686B-6A6LID4AC-00. Could this be updated? If so, from where? I've raked through the manufacturer's website but can't find any hint of downloads for either drivers or BIOS updates. The hard disk is freshly formatted and built with Windows XP Professional/Service Pack 3 and is up to date with all current patches. In addition to Windows XP, the only other software it's running is Skype 4.1 (4.2 hangs the whole machine as soon as it starts up, requiring a hard boot to recover). It's got a Daytek MV150 15" touch screen hooked up to the on board VGA and COM1 sockets with the most current drivers from the Daytek website and the most current version of ELO-Touchsystems drivers for the touch component. The webcam is a Logitech Webcam C200 with the latest drivers from the Logitech website. The problem: If I hook any devices to the USB 2.0 sockets, it hangs the whole machine and I have to hard boot it to get it back up. If I have any devices attached to the USB 2.0 sockets when I boot up, it hangs before Windows gets to the login prompt and I have to hard boot it to recover. Workarounds found: I can plug the same devices into the on board USB 1.0 sockets and everything works fine, albeit at reduced performance. I've tried 3 different kinds of USB thumb drives, 3 different makes/models of webcams and my iPhone all with the same effect. They're recognized and don't hang the machine when I hook them to the USB 1.0 but if I hook them to the USB 2.0 ports, the machine hangs within a couple of seconds of recognizing the devices were connected. Attempted solutions: I've seen suggestions that this could be a power problem - that the PSU just doesn't have the wattage to drive these ports. While I'm doubtful this is the problem [after all the motherboard has the same standard connector regardless of the PSU wattage], I tried disabling all the on board devices that I'm not using - on board LAN, the second COM port, the AGP connector etc. through the BIOS in what I'm sure is a futile attempt to reduce the power consumption... I also modified the ACPI and power management settings. It didn't have any noticeable affect, although it didn't do any harm either. Could the wattage of the PSU really cause this problem? If it can, is there anything I need to be aware of when replacing it or do I just need to make sure it's got a higher wattage than the current one? My interpretation was that the wattage only affected the number of drives you could hook up to the power connectors, is that right? I've installed the USB card in another machine and it works without issue, so it's not a problem with the USB card itself, and Windows says the card is installed and working correctly... right up until I connect a device to it. The only thing I haven't done which I only just thought of while writing this essay is trying the USB 2.0 card in a different PCI slot, or re-ordering the wi-fi and USB cards in the slots... although I'm not sure if this will make any difference - does anyone have any experience that would suggest this might work? Other thoughts/questions: Perhaps this is an incompatibility between the USB 2.0 card and the BIOS, would re-flashing the BIOS with a newer version help? Do I need to be able to identify the manufacturer of the motherboard in order to be able to find a BIOS edition specific for this motherboard or will any version of Award BIOS function in its place? Question: Does anyone have any ideas that could help me get my USB 2.0 devices hooked up to this machine?

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• Why can't I find `len(list)` in Python?

  - by FarmBoy

  I'm new to Python. I have a method that begins: def foo(self, list): length = len(list) I've called len() successfully in other cases, but here I get: TypeError: object of type 'type' has no len() How do I convince Python that this object passed in is a list? What am I missing?

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• Original sender is not correctly identified when spam is forwarded

  - by Stephan Burlot

  I have a forwarding rule with Postfix that forwards all messages to my main email address. When a spam message is sent to one of my emails, it is forwarded but the sender is shown as being the forwarding domain, not the spammer's domain. Real example: mywebsite.com is hosted on Linode. [email protected] sends an email to [email protected] the mail is forwarded to [email protected] my email hosting (anotherwebsite.com) sees it's spam and sends a message to [email protected] and Linode reports a TOS violation. I have modified my postfix settings so I now use RBL, but if a message goes through, it may happen again. How can I prevent this to happen again? Is there some settings to change on Postfix so the original sender is correctly identified? Thanks Stephan EDIT: The steps I did to prevent this to happen again are: Add RBL checking to Postfix Add postgrey to Postfix And finally fix the MX record which was incorrect. I checked with a test email on Spamcop.net and the original sender is correctly identified.

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• Using TTMessageController with Multiple Data Sources

  - by PF1

  Hi Everyone: I am wondering if there is some way to set a separate .datasource for each custom field in a TTMessageController. Right now I am using a TTMessageController subclass (and referencing the data source controller delegate) and simply setting the data source of the message controller to self. But I only believe this will work for one field with one set of options. Thanks for any help!

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• Why does a pdf file download result in varying bytes logged, all with sc-status 200

  - by Pat James

  I have a mojoportal CMS installation on an IIS7 server where users are reporting problems downloading a pdf file. It always downloads fine for me and most others, either displaying in browser or in Adobe Reader. Using logparser to query the IIS logs, all the responses are status 200 (OK) or 304 (Not modified), but the bytes sent vary quite a bit. Sometimes zero, some 211, some about half the full file size of 27059, and lots in between. Plenty show the full size of 27059. Do these other entries for smaller byte counts represent errors of some kind, correlating with the problems reported? Is this likely to be a browser/client issue or a server side problem? If there is any other info that would be helpful let me know. This is a shared hosting server though so I am somewhat limited in what I can dig into on the server.

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• Kohonen SOM Maps in R Tutorial

  - by Btibert3

  Hi Everyone, I am simply looking for a good tutorial that will walk me through how to create a SOM in R. I am reading Kohonen and Kaski's paper on using the maps to identify the structure of Welfare, and want to try the technique my self. I think many of the examples in R have a lot to be desired. I have looked on the web and didn't find anything that I thought made the process easy to understand. Any help you can provide will be greatly appreciated.

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• Modify database for the SharePoint 2010 Enterprise Search administration web site

  - by Mark Hall

  Does anyone know how to modify the database settings for the Enterprise Search administration web site? When you configure the service application via Central Administration, SharePoint just decides to use the default database server and gives a name like Enterprise_Search_DB_Identifier. I want to modify this to atleast give a name that makes scense like SharePoint_Search_AdministrationWebContent, and it might be nice to move it to the database server that is hosting the crawl and property database. I figured out how to move the Central Administration web content database, but this database is not listed as a content database. It is listed as a Microsoft.Office.Server.Search.Administration.SearchAdminDatabase. I have not tested to see if the same process would work but because you are doing a RemoveContentDatabase and NewContentDatabase, I would assume not. Any help would be appreciated.

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• UIIMageView, warning: check_safe_call: could not restore current frame

  - by lukya

  Hi, I am changing the image in UIImageView based on accelerometer input. The images are stored in an array. The application runs fine for a while and then crashes. warning: check_safe_call: could not restore current frame I am not using "UIImage ImageNamed" method when populating the array. The total size of all images is around 12 Mb. But individual images are very light (<100 kb) and i am using only one image at a time from the array. Just in case there are any autoreleases, I have allocated a NSAutoreleasePool in view did load and am draining it in the didReceiveMemoryWarning method (which does get called 2, 3 times before the app crashes?). Following is the code that creates images array: //create autorelease pool as we are creating many autoreleased objects NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; NSMutableArray *finalarr = [[NSMutableArray alloc] initWithCapacity:9]; NSLog(@"start loading"); for(int y = 0; y < 100; y+=10) { NSMutableArray *arr = [[NSMutableArray alloc] initWithCapacity:10]; for(int x = 0; x < 10; x++) { NSString *imageName = [[NSString alloc] initWithFormat:@"0%d",y + x]; UIImage *img = [[UIImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:imageName ofType:@"png"]]; [arr addObject:img]; [imageName release]; [img release]; } [finalarr addObject:arr]; [arr release]; } NSLog(@"done loading"); // Override point for customization after app launch viewController.imagesArray = finalarr; [finalarr release]; //retain the array of images [viewController.imagesArray retain]; //release the aurtorelease pool to free memory taken up by objects enqued for release [pool release]; As the app runs smoothly for a while, which means array creation is definitely not the problem. After this the following method is called from [accelerometer didAccelerate] -(BOOL)setImageForX:(int)x andY:(int)y { [self.imageView setImage:(UIImage*)[(NSArray*)[self.imagesArray objectAtIndex:y] objectAtIndex:x]]; return TRUE; } So the only code being executed is the "UIImageView setImage". But no objects are being created here. Please let me know if the code seems to have any leaks or i am doing something wrong. Thanks, Swapnil

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