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• How to collect figures of traffic used per-host, broken up by time and destination?

  - by Seishun

  We have a relatively small network, all PSs in one subnet. One PC with two NICs and pfSense installed works as a firewall/router. There is an OpenVPN tunnel to a remote location, created as a site-to-site connection to another pfSense box there. I have an assignment to capture, store and show (via a web interface) information on traffic generated (both incoming and outcoming) by each host on our subnet and present it in several views: megabytes per calendar hours / days / months / years (that is, not just "one month back", but "in Dec 2010" and so on); megabytes per destination: VPN to remote location / other destinations / Google Apps servers. I tried the software packages in pfSense that offer traffic montoring - but it seems they don't store the information fixed by months, instead showing the amounts of traffic generated in periods (days/months/etc) calculated from the present moment. I'm also interested in understanding what would be the best way for me to break up traffic by hosts and destinations. I'm open to all suggestions, even if they mean that I will have to understand something new to me.

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• Apache mod_rewrite - remove extension/add trailing slash/preserve directory structure

  - by Henry Wrinkler

  I am currently using the following .htaccess file to remove the .php extension from my files and add a trailing slash to all URLs: RewriteEngine on RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME}\.php -f RewriteRule ^([^/]+)/$ $1.php # Forces a trailing slash to be added RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_URI} !(\.[a-zA-Z0-9]{1,5}|/)$ RewriteRule (.*)$ /$1/ [R=301,L] This is working great, however, when I have a php file in a directory, and I want to serve that file from a directory I get a 404 error. Is there a way to do this with 1 .htaccess file in the root. I really don't want to remember to put a .htaccess file in each directory. Right now www.myexample.com/information/ Serves /information.php. Great! However www.myexample.com/categories/category-1/ this throws a 404 even though the file /categories/category-1.php does exist. I would like to modify my .htaccess file so this serves /categories/category-1.php.

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• VMWare Workstation 6.5.5 on Ubuntu 10.04 Install Freezes

  - by Android Eve

  I am trying to install VMWare Workstation 6.5.5 (64-bit) on Ubuntu 10.04 (64-bit), but at about 2/3 of the progress bar, it freezes where it says: Installing VMWare Player 2.5.5 Configuring... Interestingly, it is so frozen, that even after I hit cancel, it is still stuck. CPU consumption is at 0% and the command with which I launched the installer is: sudo sh VMware-Workstation-6.5.5-328052.x86_64.bundle Anyone has seen this before? Any idea why this is happening and how to solve this?

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• Ubuntu 12.10 Crashing Compiz/Unity (not Nvidia related)

  - by iamronen

  I've upgraded from 12.04 to 12.10 and compiz and/or unity are constantly crashing rendering my computer useless (no top bar, no dash, no window decorations). I have just discovered that when I login with the guest account everything seems to be working OK. I've been through all the threads I could find and haven't found a resolution. This isn't Nvidia related (I am running on a System76 laptop with ATI Radeon). Is there any way I can go about isolating the problem and restore my user account?

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• TraceTune shows Reads graphically

  - by Bill Graziano

  TraceTune now shows a graphical view of logical reads for each SQL statement in a trace file.  The width of the colored bar in the screen capture below is the percentage of logical reads for that statement.  The absolute number of reads is shown to the right. Any statement that has a user entered comment is shown in bold.  If you hover over the statement it will show the most recent comment for that statement.

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• join ZFS/Solaris to windows AD 2003/2008 domain

  - by user95587

  I have a client trying to join his newly updated ZFS/Solaris box to my Windows AD 2003/2008 domain. Here is the command he is using and the error he is getting; Console: root@xxx:/etc/inet# smbadm join -u USER DOMAIN After joining DOMAIN the smb service will be restarted automatically.Would you like to continue? [no]: yes Enter domain password: Joining DOMAIN ... this may take a minute ... failed to join DOMAIN: UNSUCCESSFUL Please refer to the system log for more information. From /var/adm/messages: Sep 22 10:12:00 xxx smbd[593]: [ID 702911 daemon.error] smbrdr_exchange[116]: failed (-3) Sep 22 10:12:01 xxx smbd[593]: [ID 232655 daemon.notice] ldap_modify: Insufficient access Sep 22 10:12:01 xxx smbd[593]: [ID 898201 daemon.notice] Unable to set the TRUSTED_FOR_DELEGATION userAccountControl flag on the machine account in Active Directory. Please refer to the Troubleshooting guide for more information. Sep 22 10:12:01 xxx smbd[593]: [ID 526780 daemon.notice] Failed to establish NETLOGON credential chain Sep 22 10:12:01 xxx smbd[593]: [ID 871254 daemon.error] smbd: failed joining DOMAIN (UNSUCCESSFUL)

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• What is your approach to draw a representation of your network ?

  - by Kartoch

  Hello, I'm looking to the community to see how people are drawing their networks, i.e. using symbols to represent complex topology. You can have hardware approach, where every hardware unit are represented. You can also have "entity" approach, where each "service" is shown. Both are interesting but it is difficult to have both on the same schema (but this is needed, especially using virtualization environment). Furthermore, it is difficult to have complex informations on such representation. For instance security parameters (encrypted link, need for authentication) or specific details (protocol type, ports, encapsulation). So my question is: where your are drawing a representation of your network, what is your approach ? Are you using methodology and/or specific softwares ? What is your recommendations for information to put (or not) ? How to deal with the complexity when the network becomes large and/or you want to put a lot of information on it ? Examples and links to good references will be appreciated.

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• Is there any way to automatically prevent running out of memory?

  - by NoahY

  I am often running out of memory on my VPS ubuntu server. I wish there was a way to simply restart apache2 when it starts running out of memory, as that seems to solve the problem. Or am I just too lazy to fix the problem? I do have limited memory on the server... Okay, more information: I'm running apache2 prefork, here are my memory settings (i've been tweaking them...): StartServers 3 MinSpareServers 1 MaxSpareServers 5 MaxClients 150 MaxRequestsPerChild 1000 The VPS has 1 GB of ram, running ubuntu 11.04 32-bit. As for scripts, I have a wordpress network with 5 blogs, an install of AskBot (a python/django stackexchange clone), and an install of MediaWiki that isn't really used. There is also a homebrewed mp3 script that accesses the getid3 library to display information on lists of podcasts, and it seems to be throwing some php errors, not sure if that's the culprit...

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• Preventing apps to access info from wifi device?

  - by heaosax

  Browsers like Chrome and Firefox can use my wifi device to get information about the surrounded APs and pin point my physical location using Google Location Services, I know these browser always ask for permissions to do this, and that these features can also be "turned off". But I was wondering if there's a better way to prevent ANY application to access this information from my wifi device. I don't like anyone on the internet knowing where I live, and I am worried some software could do the same as these browsers but without asking for permissions. I am using Ubuntu 10.04.

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• Empathy minimizing automatically

  - by 168335

  I am able to login into empathy, but the thing is whenever i am clicking over it from the right top task bar so that I could open it and see who all are online, it opens just for a second and minimises automatically. I am still logged in only, no issues with that , but i am not able to open the client at all, its like i am restricted tot he panel and its notifications only whenever someone sends me a message. so can anyone suggest a method via which I can stop this automation of empathy?

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• The Oracle EMEA Partner Event of the Year- FREE, LIVE & ONLINE!

  - by Claudia Costa

  New products. New specializations. New opportunities. Find out how you can use them to build your Oracle business even faster and more effectively in 2010/11. The date for your diary is the 29th of June 2010, at 11:00 GMT. And this summer's event is bigger and better than ever. You will learn: What Oracle's acquisition of Sun Microsystems means for your business and your customers How Oracle Specialization can help you grow faster and smarter, and how Oracle partners from across the region are already benefitting Why Oracle's latest technology, applications, middleware and hardware products and solutions offer you unbeatable new business opportunities How Oracle's partner program is evolving to help partners succeed with a live link to the Oracle FY11 Global Partner Kickoff How specialization has helped a former Microsoft executive become one of the world's most successful social entrepreneurs You'll also have the chance to network with Oracle experts and other partners, and download valuable collateral from specially constructed virtual information booths. Plus, at the end of the event, submit your feedback form for the chance to win two passes to Oracle OpenWorld in San Francisco this September! Don't miss out! REGISTER TODAY!  for this exciting, exclusive online event. Visit here for more information and to view the complete agenda We look forward to welcoming you on the 29th of June! Yours sincerely, Stein SurlienSenior Vice President, Alliances & Channels, Oracle EMEA PS. The Oracle PartnerNetwork Days Virtual Event will be followed by "Oracle PartnerNetwork Days Executive Forums", and "Oracle PartnerNetwork Days Satellite Events" in various countries. Please look out for further communications from your local Oracle team.

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• Securing a Cloud-Based Data Center

  - by Orgad Kimchi

  No doubt, with all the media reports about stolen databases and private information, a major concern when committing to a public or private cloud must be preventing unauthorized access of data and applications. In this article, we discuss the security features of Oracle Solaris 11 that provide a bullet-proof cloud environment. As an example, we show how the Oracle Solaris Remote Lab implementation utilizes these features to provide a high level of security for its users. Note: This is the second article in a series on cloud building with Oracle Solaris 11. See Part 1 here.  When we build a cloud, the following aspects related to the security of the data and applications in the cloud become a concern: • Sensitive data must be protected from unauthorized access while residing on storage devices, during transmission between servers and clients, and when it is used by applications. • When a project is completed, all copies of sensitive data must be securely deleted and the original data must be kept permanently secure. • Communications between users and the cloud must be protected to prevent exposure of sensitive information from “man in a middle attacks.” • Limiting the operating system’s exposure protects against malicious attacks and penetration by unauthorized users or automated “bots” and “rootkits” designed to gain privileged access. • Strong authentication and authorization procedures further protect the operating system from tampering. • Denial of Service attacks, whether they are started intentionally by hackers or accidentally by other cloud users, must be quickly detected and deflected, and the service must be restored. In addition to the security features in the operating system, deep auditing provides a trail of actions that can identify violations,issues, and attempts to penetrate the security of the operating system. Combined, these threats and risks reinforce the need for enterprise-grade security solutions that are specifically designed to protect cloud environments. With Oracle Solaris 11, the security of any cloud is ensured. This article explains how.

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• how do I install an add on from zip in xbmc 12?

  - by jcollum

  http://wiki.xbmc.org/index.php?title=Add-ons#How_to_install_from_zip The wiki is pretty straighforward but those options are not present when I follow the steps in the wiki. I select this: System -- Settings -- AddOns All I see is a list of add ons like Youtube and Railscasts. There's no option for installing from a zip file like the wiki says. Pressing ".." just takes me to the list of AddOn types like "Album Information" and "Artist Information" etc. The wiki looks to be out of date.

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• Can I run Ubuntu directly under Windows 8?

  - by huahsin68

  Text below is extract from the article, Windows 8 Tip: Virtualize with Hyper-V. Better still, Windows Virtual PC offered a feature called XP Mode, free for users of Windows 7 Professional, Enterprise, and Ultimate, which included a full working copy of Windows XP with Service Pack 3. But the big deal here is that as you installed applications in the virtual copy of XP, they would be made available through Windows 7’s Start Menu. And you could run these applications, side-by-side, with Windows 7 applications on the Windows 7 desktop. It was a seamless, integrated experience, ideal for those one-off application compatibility issues. I was thinking to install VirtualBox in Windows 8 and then run Ubuntu as guess OS. Since Hyper-V is a Type-0 hipervisor, may I know does this bring the same benefit if I have Ubuntu Linux install as a virtual guess OS? Meaning, if I turning the Ubuntu on (the guess OS), does the Ubuntu still able to access the hardware information like nVidia display card or processor information? I'm just curious to know can this be done?

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• Upgraded from 10.04 to 12.04, how can I make Thunderbird marks the indicators envelope blue?

  - by josvazg

  Upgraded from 10.04 to 12.04 now I don't have notifications on incoming email to Thunderbird on the indicator bar, neither when thunderbird is running nor when it's not. None of the other similar questions answers have helped me. Still no blue envelope. I DO get a notification when the email comes as a temporary OSD, ut the envelope in the indicators menu does not get blue and there is no line for received email under "Mail" althougth it is working for Google Mail.

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• How to Correctly Optimize Title Tags

  With the SERPs becoming increasingly competitive, more and more businesses are turning to search engine optimization to help improve their rankings and drive more customers to their website. When optimizing a website one of the most important factors of on page optimization is the title tag. The title tag is the text that is the text that is displayed in the blue bar at the top of the browser window and is also displayed at the top of each result in the SERPs.

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• Architecture for dashboard showing aggregated stats [on hold]

  - by soulnafein

  I'd like to know what are common architectural pattern for the following problem. Web application A has information on sales, users, responsiveness score, etc. Some of this information are computationally intensive and or have a complex business logic (e.g. responsiveness score). I'm building a separate application (B) for internal admin tasks that modifies data in web application A and report on data from web application A. For writing I'm planning to use a restful api. E.g. create a new entity, update entity, etc. In application B I'd like to show some graphs and other aggregate data for the previous 12 months. I'm planning to store the aggregate data for each month in redis. Some data should update more often, e.g every 10 minutes. I can think of 3 ways of doing this. A scheduled task in app B that connects to an api of app A that provides some aggregated data. Then app B stores it in Redis and use that to visualise pages. Cons: it makes complex calculation within a web request, requires lot's of work e.g. api server and client, storing, etc., pros: business logic still lives in app A. A scheduled task in app A that aggregates data in an non-web process and stores it directly in Redis to be accessed by app B. A scheduled task in app A that aggregates data in a non-web process and uses an api in app B to save it. I'd like to know if there is a well known architectural solution to this type of problems and if not what are other pros/cons for the solution I've suggested?

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• One sentence descriptions of the various common software licenses?

  - by Rich

  Instead of having to read entire documentation and sift through all the legalese, can someone outline the more common licenses in language that is short and sweet and gets right to the point? Specifically, I'm using a 3rd party control that uses the Apache 2.0 license. My intention is to use this in a proprietary application that I am building for a corporation's use (not resold, but I'm being paid for my work). Does this mean I can or cannot use this control? Does it mean that I must maintain copyright/license information in my code? Does it mean that I must mention copyright/license information in a clearly visible location in the app? EDIT In response to an answer below with a link to an article by Jeff Atwood, the Apache license is described as follows: Apache License Open Permissive 9 Requires derivative works to provide notification of any licensed or proprietary code in a common location. Does this notification need to be in a "common location" in my source code or a common location visible within the app? What if this were a non GUI app (I'm assuming that could very well be my answer)? Thanks for the responses!!!

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• WGet a Page that Requires Logging in

  - by Synetech inc.

  I’m trying to figure out a way to use WGET or a similar tool so that I can schedule a web page to be downloaded regularly as a sort of updating log. The problem is that the page requires that I be logged in otherwise I get a different page, generic. Further, the page does not take login information as GET parameters in the URL, it uses POST to log in on the login page and cookies to save the login information that’s read by the regular page. I’m currently using GNU Wget 1.10.2 for Windows. I’ve tried using WGET’s cookie functionality but have had mixed results, usually skewing towards it not working. Can anyone please advise on a way to accomplish this? Thanks a lot.

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• Gnome fallback move to workspace not working - Ubuntu 14.04

  - by iulianis

  I have recently switched to Ubuntu 14.04 but using the gnome fallback desktop environment. The thing that is not working for me is that when I right click on a window's top bar and then click Move to Workspace Up for example, it puts the window in that workspace but it also keeps it in the current workspace. I've tried all options but it just wouldn't work :( Anyone experienced the same and found a solution?

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• New Solaris 11.2 beta features: SMF stencils

  - by user13366125

  As much as there is often a lot discussion about configuration items inside the SMF repository (like the hostname), it brings an important advantage: It introduces the concept of dependencies to configuration changes. What services have be restarted when i change a configuration item. Do you remember all the services that are dependent on the hostname and need a restart after changing it? SMF solves this by putting the information about dependencies into it configuration. You define it with the manifests. However, as much configuration you may put into SMF, most applications still insists to get it's configuration inside the traditional configuration files, like the resolv.conf for the resolver or the puppet.conf for Puppet. So you need a way to take the information out of the SMF repository and generate a config file with it. In the past the way to do so, was some scripting inside the start method that generated the config file before the service started. Solaris 11.2 offers a new feature in this area. It introduces a generic method to enable you to create config files from SMF properties. It's called SMF stencils. (read more)

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• Why is Wine not installable on my system?

  - by RawX

  So I upgraded on a fresh install to Ubuntu 12.10, not beta, and I've tried installing wine many many times now many different ways but the jist of it is this: This error could be caused by required additional software packages which are missing or not installable. Furthermore there could be a conflict between software packages which are not allowed to be installed at the same time. The following packages have unmet dependencies: wine: Any ideas? It won't let me install the dependencies either it says it needs another set of dependencies to install them -_- im on asus kj50 64bit os dual boot with windows 7 sudo apt-get install wine1.5 Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: wine1.5 : Depends: wine1.5-i386 (= 1.5.15-0ubuntu1) but it is not installable Recommends: gnome-exe-thumbnailer but it is not going to be installed or kde-runtime but it is not going to be installed Recommends: ttf-droid Recommends: ttf-mscorefonts-installer but it is not going to be installed Recommends: ttf-umefont but it is not going to be installed Recommends: ttf-unfonts-core but it is not going to be installed Recommends: winbind but it is not going to be installed Recommends: winetricks but it is not going to be installed E: Unable to correct problems, you have held broken packages.

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• Partner Spotlight: Compasso

  - by Joe Diemer

  EVERY MONDAY at 2 PM Eastern Time (USA) Join Compasso, one of Oracle's Enterprise Manager partners that is Specialized in Application Quality Management, for a series of presentations focused on Oracle end to end performance management. The objective is to provide a comprehensive overview of Oracle's Enterprise Manager 12c software.  Attendees will learn how Oracle can provide a complete end to end management  solution, for not only for Oracle Databases, but also other aspects of the Oracle technology, such as Middleware and Oracle applications.  Key areas include: 1. Next-Generation Management Framework which cover: Better performance and scalability Modular, extensible architecture Easier to manage and diagnose Enhanced security Web 2.0 UI 2. Enhanced Application-to-Disk Management End-to-end application performance management Fusion Applications management Exadata and Exalogic management 3. Complete Lifecycle Management for Enterprise Private Cloud Self-service provisioning Policy based resource and workload management Chargeback There are two ways you can sign up: 1. Call Nicole Wakefield of Compasso at +1 (971) 245-5042 2. Email [email protected] with Subject Line of "Monday Enterprise Manager Presentations" WebEx Conference details will be provided with your confirmation For more information about partner opportunities with Enterprise Manager, including becoming Specialized, click here. For more information about Compasso, click here.

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• Did you know documentation is built-in to usp_ssiscatalog?

  - by jamiet

  I am still working apace on updates to my open source project SSISReportingPack, specifically I am working on improvements to usp_ssiscatalog which is a stored procedure that eases the querying and exploration of the data in the SSIS Catalog. In this blog post I want to share a titbit of information about usp_ssiscatalog, that all the actions that you can take when you execute usp_ssiscatalog are documented within the stored procedure itself. For example if you simply execute EXEC usp_ssiscatalog @action='exec' in SSMS then switch over to the messages tab you will see some information about the action: OK, that’s kinda cool. But what if you only want to see the documentation and don’t actually want any action to take place. Well you can do that too using the @show_docs_only parameter like so: EXEC dbo.usp_ssiscatalog @a='exec',@show_docs_only=1; That will only show the documentation. Wanna read all of the documentation? That’s simply: EXEC dbo.usp_ssiscatalog @a='exec',@show_docs_only=1; EXEC dbo.usp_ssiscatalog @a='execs',@show_docs_only=1; EXEC dbo.usp_ssiscatalog @a='configure',@show_docs_only=1; EXEC dbo.usp_ssiscatalog @a='exec_created',@show_docs_only=1; EXEC dbo.usp_ssiscatalog @a='exec_running',@show_docs_only=1; EXEC dbo.usp_ssiscatalog @a='exec_canceled',@show_docs_only=1; EXEC dbo.usp_ssiscatalog @a='exec_failed',@show_docs_only=1; EXEC dbo.usp_ssiscatalog @a='exec_pending',@show_docs_only=1; EXEC dbo.usp_ssiscatalog @a='exec_ended_unexpectedly',@show_docs_only=1; EXEC dbo.usp_ssiscatalog @a='exec_succeeded',@show_docs_only=1; EXEC dbo.usp_ssiscatalog @a='exec_stopping',@show_docs_only=1; EXEC dbo.usp_ssiscatalog @a='exec_completed',@show_docs_only=1; I hope that comes in useful for you sometime. Have fun exploring the documentation on usp_ssiscatalog. If you think the documentation can be improved please do let me know. @jamiet

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• NSMutableURLRequest returns null on real device, while returning image on simulator

  - by Yanchi

  I was testing my app that I've been working on for past 2 months. Basically it requests for JSON, that contains info about items. One field of JSON file is image_url. When I want to display this image, I need to download it from another server, that needs additional credentials. So it goes like this- In my cellForRowAtIndexPath I'm doing NSDictionary *aucdict = [jsonAukResults objectAtIndex:indexPath.row]; NSURL *imageURL = [NSURL URLWithString:[aucdict objectForKey:@"img_url"]]; NSString *authPString = [[[NSString stringWithFormat:@"login:password"]dataUsingEncoding:NSUTF8StringEncoding] base64EncodedString]; NSString *verifPString = [NSString stringWithFormat:@"Image %@",authPString]; NSMutableURLRequest *Prequest = [[NSMutableURLRequest alloc] initWithURL:imageURL]; [Prequest setValue:verifPString forHTTPHeaderField:@"Authorization"]; NSError *error = nil; NSURLResponse *resp = nil; NSData *picresult = [NSURLConnection sendSynchronousRequest:Prequest returningResponse:&resp error:&error]; UIImage *imageLoad = [[UIImage alloc] initWithData:picresult]; Now, I just obscured credentials (they are not login:password :)). My problem is, that right now, I get 3 items. All 3 have image on same server. I can get two of them with this code no problem. However third one is problematic, I always get (NULL) imageLoad. On my simulator, everything works fine, I get all 3 pictures. On real device I get error. I tried to NSURLConnection with error and response so I could debug better. This is what I got in my error. Printing description of error: Error Domain=NSURLErrorDomain Code=-1202 "The certificate for this server is invalid. You might be connecting to a server that is pretending to be “server name” which could put your confidential information at risk." UserInfo=0x1e5a3080 {NSErrorFailingURLStringKey=pictureLink.jpg, NSLocalizedRecoverySuggestion=Would you like to connect to the server anyway?, NSErrorFailingURLKey=pictureLink.jpg, NSLocalizedDescription=The certificate for this server is invalid. You might be connecting to a server that is pretending to be “server name” which could put your confidential information at risk., NSUnderlyingError=0x1e5a30e0 "The certificate for this server is invalid. You might be connecting to a server that is pretending to be “server name” which could put your confidential information at risk.", NSURLErrorFailingURLPeerTrustErrorKey=} I dont use SSL so Im really confused as what could cause this error. Btw, everything worked fine until now (this is my initial screen, so it's been done for good month and a half). Now I started to do graphics and this problem popped up :(

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