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• "Cannot allocate memory" while no process seems to be using up memory

  - by omat

  I am not competent on server issues, any help is much appreciated. When try to start a python/django shell on a linux box, I am getting OSError: [Errno 12] Cannot allocate memory. free -m seems to confirm I am out of memory: total used free shared buffers cached Mem: 590 560 29 0 3 37 -/+ buffers/cache: 518 71 Swap: 0 0 0 But I cannot see what is eating up the memory with top or ps aux: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1 root 20 0 24336 908 0 S 0.0 0.2 0:00.68 init 2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd 3 root 20 0 0 0 0 S 0.0 0.0 0:04.85 ksoftirqd/0 How can I identify the leak? Thanks. BTW, I am not sure if it is relevant, but the machine I am talking about is an AWS EC2 instance with Ubuntu 12 running.

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• Disk full, how to move mysql database files?

  - by kopeklan

  my database files located in /var/lib/mysql which located in partition /dev/sda5 this partition is full (refer here for details) so I'm going to move the location of database files from /var/lib/mysql to /home/lib/mysql What is the right way to move this database files? Im going to do this steps: Stop http server and PHP Change datadir=/var/lib/mysql to become datadir=/home/lib/mysql in /etc/my.cnf move all database files to the new location run killall -9 mysql, then /etc/init.d/mysqld start Start http server and PHP Is this right? Correct me if I'm wrong added: currently, mysql won't stop. refer here: mysql wont stop, mysqld_safe appeared in top

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• Entire filesystem restore from rdiff-backup snapshot

  - by atmosx

  I'm trying to make a complete system restore from an rdiff-backup. The cli for backing was: rdiff-backup --exclude-special-files --exclude /tmp --exclude /mnt --exclude /proc --exclude /sys / /mnt/backup/ebox/ I created a new partition mounted the partition at /mnt/gentoo and did: rdiff-backup -r /mnt/vol2 /mnt/gentoo However when I try to chroot to this system (following gentoo's manual, which means mounting /dev/ and /proc) I get the following error: chroot: failed to run command/bin/bash': No such file or directory` All this takes place on a Parallels (virtual machine) Debian installation. Any ideas on how to proceed in order to fully restore the system? Best Regards ps. /mnt/gentoo/bin/bash works fine if I execute it. All files and permissions are in place rdiff-backup seems to work just fine. However the system cannot neither boot (exits with kernel panic - cannot find init) or be chrooted.

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• data not reloading into tableview from core data on minor update

  - by Martin KS

  I've got a basic photo album application, on the first view a list of albums is displayed with a subtitle showing how many images are in each album. I've got everything working to add albums, and add images to albums. The problem is that the image count lines are accurate whenever the app loads, but I can't get them to update during execution. The following viewdidload correctly populates all lines of the tableview when the app loads: - (void)viewDidLoad { [super viewDidLoad]; // Set the title. self.title = @"Photo albums"; // Configure the add and edit buttons. self.navigationItem.leftBarButtonItem = self.editButtonItem; addButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(addAlbum)]; addButton.enabled = YES; self.navigationItem.rightBarButtonItem = addButton; /* Fetch existing albums. Create a fetch request; find the Album entity and assign it to the request; add a sort descriptor; then execute the fetch. */ NSFetchRequest *request = [[NSFetchRequest alloc] init]; NSEntityDescription *entity = [NSEntityDescription entityForName:@"Album" inManagedObjectContext:managedObjectContext]; [request setEntity:entity]; // Order the albums by name. NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"albumName" ascending:NO]; NSArray *sortDescriptors = [[NSArray alloc] initWithObjects:sortDescriptor, nil]; [request setSortDescriptors:sortDescriptors]; [sortDescriptor release]; [sortDescriptors release]; // Execute the fetch -- create a mutable copy of the result. NSError *error = nil; NSMutableArray *mutableFetchResults = [[managedObjectContext executeFetchRequest:request error:&error] mutableCopy]; if (mutableFetchResults == nil) { // Handle the error. } LocationsAppDelegate *mainDelegate = (LocationsAppDelegate *)[[UIApplication sharedApplication] delegate]; // Set master albums array to the mutable array, then clean up. [mainDelegate setAlbumsArray:mutableFetchResults]; [mutableFetchResults release]; [request release]; } But when I run similar code inside viewdidappear, nothing happens: { /* Fetch existing albums. Create a fetch request; find the Album entity and assign it to the request; add a sort descriptor; then execute the fetch. */ NSFetchRequest *request = [[NSFetchRequest alloc] init]; NSEntityDescription *entity = [NSEntityDescription entityForName:@"Album" inManagedObjectContext:managedObjectContext]; [request setEntity:entity]; // Order the albums by creation date, most recent first. NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"albumName" ascending:NO]; NSArray *sortDescriptors = [[NSArray alloc] initWithObjects:sortDescriptor, nil]; [request setSortDescriptors:sortDescriptors]; [sortDescriptor release]; [sortDescriptors release]; // Execute the fetch -- create a mutable copy of the result. NSError *error = nil; NSMutableArray *mutableFetchResults = [[managedObjectContext executeFetchRequest:request error:&error] mutableCopy]; if (mutableFetchResults == nil) { // Handle the error. } LocationsAppDelegate *mainDelegate = (LocationsAppDelegate *)[[UIApplication sharedApplication] delegate]; // Set master albums array to the mutable array, then clean up. [mainDelegate setAlbumsArray:mutableFetchResults]; [self.tableView reloadData]; [mutableFetchResults release]; [request release]; } Apologies if I've missed the answer to this question elsewhere, but what am I missing?

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• Sendmail Alias for Nonlocal Email Account

  - by Mark Roddy

  I admin a server which is running a number of web applications for a software dev team (source control, bug tracking, etc). The server has sendmail running solely as a transport to the departmental email server over which I have no control. We have someone who is still in the department but no longer on the dev team so I need to configure the transport agent to redirect all outgoing email (which would be coming from these applications) to the person that has taken their place. I added an entry in /etc/aliases like such: [email protected]: [email protected] But when I run /etc/init.d/sendmail newaliases I get the following error: /etc/mail/aliases: line 32: [email protected]... cannot alias non-local names So clearly I'm doing something I shouldn't. Is there a way to get aliases to work with non-local names or alternatively is their a way to accomplish my goal of redirecting outgoing mail for this user to another one? Technical Specs if the matter: Ubuntu 6.06 sendmail 8.13 (ubuntu provided package)

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• Help accessing Beagle over serial with Minicom/GTKTerm

  - by mrgordon

  I am trying to access a brand new Beagle Board from Ubuntu or Mac over serial using the setup seen here: http://specialcomp.com/beagleboard/RevC1.htm I got Minicom and GTKTerm installed on the Ubuntu box. I set up the correct baud rate, turned off flow control, and have tried ttyUSB0 and ttyS0. Once minicom is configured properly, I should just see the init text from the board appear if I have minicom open in terminal while I plug in the board, correct? dmesg shows ttyUSB0 on the computer has been connected to ttyS0 on the beagle.

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• NTP configuration not recognized?

  - by Eugene S

  I'm trying to configure NTP on my machine but it seems that the parameters I set are not being read by the system. Below is my /etc/ntp.conf file. (I applied the most basic configuration to eliminate other issues) server 10.45.68.47 server 127.0.0.1 After I set the above configuration, I restart the ntpd process by doing the following: service ntpd restart And then I get the following output: Shutting down ntpd: [ OK ] ntpd: Synchronizing with time server: [FAILED] Starting ntpd: [ OK ] Moreover, I can see the following in /var/etc/messages: Apr 2 10:54:07 hsystem1a ntpd[21067]: ntpd exiting on signal 15 Apr 2 10:54:07 hsystem1a ntpdate[21537]: can't find host ntpServer1 Apr 2 10:54:07 hsystem1a ntpdate[21537]: can't find host ntpServer2 Apr 2 10:54:07 hsystem1a ntpdate[21537]: no servers can be used, exiting So it seems that the ntpServer1 and the ntpServer2 are being read from somewhere instead of the IPs I configured in /etc/ntp.conf. NOTE: I done init 6 on the machine just in case. Thanks!

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• Removing google mail markers with jquery after getting them from xml

  - by sebastian

  Hi there, I'm trying to create a page that contains a google map. The map is filled with markers from an xml file. I just can't figure out how to remove "old" markers, that don't match the latest user input. At the moment my js stops after the very first xml item. The clearList.push(marker); is supposed to put the generated marker away for later usage. When the user hits the search button I want all markers to be gone and use clearMarkers();. Maybe someone here can help Sebastian Here is my JavaScript: $(document).ready(function() { $("#map").css({height: 650}); var clearList = []; var myLatLng = new google.maps.LatLng(52.518143, 13.372879); MYMAP.init('#map', myLatLng, 11); $("#showmarkers").click(function(e){ clearMarkers(); MYMAP.placeMarkers('markers.xml'); }); }); function clearMarkers() { $(clearList).each(function () { this.setmap(null); }); clearList = []; } var MYMAP = { map: null, bounds: null } MYMAP.init = function(selector, latLng, zoom) { var myOptions = { zoom:zoom, center: latLng, mapTypeId: google.maps.MapTypeId.HYBRID } this.map = new google.maps.Map($(selector)[0], myOptions); this.bounds = new google.maps.LatLngBounds(); } MYMAP.placeMarkers = function(filename) { $.get(filename, function(xml){ $(xml).find("marker").each(function(){ // read values from xml for searching var platzart = $(this).find('platzart').text(); var ort = $(this).find('ort').text(); var open = $(this).find('open').text(); if (platzart =="Kunstrasen" && $('#kunstrasen').attr('checked') || platzart =="Rasen" && $('#rasen').attr('checked') || platzart =="Tartan" && $('#tartan').attr('checked') || platzart =="Boltzplatz" && $('#boltzplatz').attr('checked') ){ // read values from xml for additional info var name = $(this).find('name').text(); var plz = $(this).find('plz').text(); var note = $(this).find('note').text(); var adress = $(this).find('adress').text(); // create a new LatLng point for the marker var lat = $(this).find('lat').text(); var lng = $(this).find('lng').text(); var point = new google.maps.LatLng(parseFloat(lat),parseFloat(lng)); // extend the bounds to include the new point MYMAP.bounds.extend(point); // create new marker var marker = new google.maps.Marker({ position: point, map: MYMAP.map }); clearList.push(marker); // add onclick overlay var infoWindow = new google.maps.InfoWindow(); var html='<strong>'+name+'</strong.><br />'+platzart; google.maps.event.addListener(marker, 'click', function() { infoWindow.setContent(html); infoWindow.open(MYMAP.map, marker); }); } MYMAP.map.fitBounds(MYMAP.bounds); }); }); } Thanks in advance

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• Private Git repo using Smart HTTP with LDAP authentification

  - by ALOToverflow

  I've been crawling the interwebz and getting my hands dirty for the last few days, but I can't seem to make it all work together. I managed to get a HTTP repo working with Ubuntu 10.04 over Smart HTTP (pull and push over HTTP) for a single repo. This means that I do the initial setup over SSH to the server (git init --bare) and after that the clients can pull and push to it (git clone http://servername/allgitrepos/repo.git). Unfortunately it's impossible to add a new repo without SSHing to the server and adding it manually) i.e. git push http://servername/allgitrepos/repo2.git (allgitrepos is available for everyone to read-write and execute) would fail talking about git update-server-info (which seems to be a general error message). So far the repository is anonymous, so I would like to authenticate using LDAP and also use the LDAP creds to make the git commit. So, how can I push new repos to the server and how can I use the LDAP creds to make the git commit. Thanks

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• lighttpd silently stops logging

  - by Max Cantor

  I'm on a Slicehost 256MB VPS with Ubuntu 9.04 (Jaunty). lighttpd is the only web server process running; it listens on port 80. My lighttpd.conf can be found here. I'm using Ubuntu's default logrotate setup for lighty. At seemingly random times, lighttpd will stop logging. It is not correlated with log rotation--that is, the errors do not occur when logrotate kicks in. What happens is, I will verify that the server is serving files by hitting a URL with my browser, and I will verify that it is not logging by checking access.log and seeing that the GET request I just made is not there. Using init.d to restart the process starts logging again, without truncating or rotating the log file. That is, new requests will be logged at the end of the existing access.log file. There are no cron jobs running on this box. Any ideas?

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• Can Autodesk Flame run with an nVidia Quadro FX3800 SDI and output to preview through SDI???

  - by cragno

  I am running on Linux RHEL 4.3, DKU 5.0.1. Everything seems to be ok on the xorg.conf and init.cfg, but when I start my projects and Flame enables output to preview I start having preview on my SDI monitor and stop seeing on my main monitor (which is connected to the DisplayPort). Could it be posible that Flame needs Quadro FX4x00/5x00 series with dual DVI to output both monitors?? Cause the FX3800 has only one DVi (which is connected to the SDI card) and 2 DisplayPorts as additional output monitors. Anyone knows a config or workaround this problem?? Thanks ahead!!!

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• GitLab on a fresh Ubuntu 13 EC2 instance

  - by Polly

  I've spun up a fresh Amazon EC2 instance for a micro Ubuntu 13 server to be used as a GitLab server. I know the specs are a little low, but it should serve well for my purposes. It has an elastic (static) IP address that I have created an A record for git.mydomain.com. The first thing I did to the instance was add 1GB of swap to keep it happy from a memory perspective. I then set the hostname of the box to be git.mydomain.com and followed https://github.com/gitlabhq/gitlabhq/blob/6-2-stable/doc/install/installation.md to the letter. Everything seems to have worked, except for the web server side of things. Doing a gitlab:check shows the following: Checking Environment ... Git configured for git user? ... yes Has python2? ... yes python2 is supported version? ... yes Checking Environment ... Finished Checking GitLab Shell ... GitLab Shell version >= 1.7.4 ? ... OK (1.7.4) Repo base directory exists? ... yes Repo base directory is a symlink? ... no Repo base owned by git:git? ... yes Repo base access is drwxrws---? ... yes update hook up-to-date? ... yes update hooks in repos are links: ... can't check, you have no projects Running /home/git/gitlab-shell/bin/check Check GitLab API access: /usr/local/lib/ruby/2.0.0/net/http.rb:878:in `initialize': Connection refused - connect(2) (Errno::ECONNREFUSED) from /usr/local/lib/ruby/2.0.0/net/http.rb:878:in `open' from /usr/local/lib/ruby/2.0.0/net/http.rb:878:in `block in connect' from /usr/local/lib/ruby/2.0.0/timeout.rb:52:in `timeout' from /usr/local/lib/ruby/2.0.0/net/http.rb:877:in `connect' from /usr/local/lib/ruby/2.0.0/net/http.rb:862:in `do_start' from /usr/local/lib/ruby/2.0.0/net/http.rb:851:in `start' from /home/git/gitlab-shell/lib/gitlab_net.rb:62:in `get' from /home/git/gitlab-shell/lib/gitlab_net.rb:29:in `check' from /home/git/gitlab-shell/bin/check:11:in `<main>' gitlab-shell self-check failed Try fixing it: Make sure GitLab is running; Check the gitlab-shell configuration file: sudo -u git -H editor /home/git/gitlab-shell/config.yml Please fix the error above and rerun the checks. Checking GitLab Shell ... Finished Checking Sidekiq ... Running? ... yes Number of Sidekiq processes ... 1 Checking Sidekiq ... Finished Checking GitLab ... Database config exists? ... yes Database is SQLite ... no All migrations up? ... yes GitLab config exists? ... yes GitLab config outdated? ... no Log directory writable? ... yes Tmp directory writable? ... yes Init script exists? ... yes Init script up-to-date? ... yes projects have namespace: ... can't check, you have no projects Projects have satellites? ... can't check, you have no projects Redis version >= 2.0.0? ... yes Your git bin path is "/usr/bin/git" Git version >= 1.7.10 ? ... yes (1.8.3) Checking GitLab ... Finished It seems like I'm very nearly there. Searching on this error I have only found advice that unfortunately hasn't helped. I'm not using any kind of SSL setup, which a lot of the posts I found were about. I have tried appending 127.0.0.1 git.mydomain.com to /etc/hosts and giving the instance a reboot but there was no change. My config/gitlab.yml file has host: git.mydomain.com in it, and my gitlab-shell/config.yml has gitlab_url: "http://git.mydomain.com/" in it. I'm sure I'm missing something simple, but I've been through every relevant link I can find and have had no positive results; thank you in advance for any help!

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• Apache Custom Log Format

  - by Shishant

  Hello, I am trying to write a reward system wherein users will be given reward points if they download complete files, So what should be my log format. After searching alot this is what I understand its my first time and havent done custom logs before. First of all which file should I edit for custom logs because this thing I cant find. I am using ubuntu server with default apache, php5 and mysql installation # I use this commands and they work fine nano /etc/apache2/apache2.conf /etc/init.d/apache2 restart I think this is what I need to do for my purpose LogLevel notice LogFormat "%f %u %x %o" rewards CustomLog /var/www/logs/rewards_log rewards This is as it is command or there is something missing? and is there any particular location where I need to add this? and one more thing %o is for filesize that was sent and is it possible to log only files from a particular directory? or for files with size more than 10mb. Thank You.

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• Why doe my UITableView only show two rows of each section?

  - by Mike Owens

  I have a UITableView and when I build it only two rows will be displayed. Each section has more than two cells to be displayed, I am confused since they are all done the same?`#import #import "Store.h" import "VideoViewController.h" @implementation Store @synthesize listData; // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { [self createTableData]; [super viewDidLoad]; } (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } (void)viewDidUnload { //self.listData = nil; //[super viewDidUnload]; // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } pragma mark - pragma mark Table View Data Source Methods // Customize the number of sections in the table view. - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return [videoSections count]; } //Get number of rows -(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [self.listData count]; } -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *StoreTableIdentifier = @"StoreTableIdentifier"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:StoreTableIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:StoreTableIdentifier] autorelease]; } cell.textLabel.text = [[[listData objectAtIndex:indexPath.section] objectAtIndex:indexPath.row] objectForKey:@"name"]; //Change font and color of tableView cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; cell.textLabel.font=[UIFont fontWithName:@"Georgia" size:16.0]; cell.textLabel.textColor = [UIColor brownColor]; return cell; } -(NSString *)tableView: (UITableView *)tableView titleForHeaderInSection: (NSInteger) section { return [videoSections objectAtIndex:section]; } -(void)tableView: (UITableView *)tableView didSelectRowAtIndexPath: (NSIndexPath *)indexPath { VideoViewController *videoViewController = [[VideoViewController alloc] initWithNibName: @"VideoViewController" bundle:nil]; videoViewController.detailURL = [[NSURL alloc] initWithString: [[[listData objectAtIndex:indexPath.section] objectAtIndex:indexPath.row] objectForKey:@"url"]]; videoViewController.title = [[[listData objectAtIndex:indexPath.section] objectAtIndex:indexPath.row] objectForKey:@"name"]; [self.navigationController pushViewController:videoViewController animated:YES]; [videoViewController release]; } pragma mark Table View Methods //Data in table cell -(void) createTableData { NSMutableArray *beginningVideos; NSMutableArray *intermediateVideos; videoSections = [[NSMutableArray alloc] initWithObjects: @"Beginning Videos", @"Intermediate Videos", nil]; beginningVideos = [[NSMutableArray alloc] init]; intermediateVideos = [[NSMutableArray alloc] init]; [beginningVideos addObject:[[NSMutableDictionary alloc] initWithObjectsAndKeys:@"Shirts", @"name", @"http://www.andalee.com/iPhoneVideos/testMovie.m4v", @"url", nil]]; [beginningVideos addObject:[[NSMutableDictionary alloc] initWithObjectsAndKeys:@"Posters", @"name", @"http://devimages.apple.com/iphone/samples/bipbopall.html", @"url", nil]]; [beginningVideos addObject:[[NSMutableDictionary alloc] initWithObjectsAndKeys:@"Stickers",@"name", @"http://www.andalee.com/iPhoneVideos/mov.MOV",@"url",nil]]; [beginningVideos addObject:[[NSMutableDictionary alloc] initWithObjectsAndKeys:@"Egyptian",@"name", @"http://www.andalee.com/iPhoneVideos/2ndMovie.MOV",@"url",nil]]; [intermediateVideos addObject:[[NSMutableDictionary alloc] initWithObjectsAndKeys:@"Drum Solo", @"name", @"http://www.andalee.com", @"url", nil]]; [intermediateVideos addObject:[[NSMutableDictionary alloc] initWithObjectsAndKeys:@"Veil", @"name", @"http://www.andalee.com", @"url", nil]]; [intermediateVideos addObject:[[NSMutableDictionary alloc] initWithObjectsAndKeys:@"Three Quarter Shimmy",@"name", @"http://www.andalee.com", @"url",nil]]; listData = [[NSMutableArray alloc] initWithObjects:beginningVideos, intermediateVideos, nil]; [beginningVideos release]; [intermediateVideos release]; } (void)dealloc { [listData release]; [videoSections release]; [super dealloc]; } @end `

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• Memory management in iphone cocos2d

  - by muthu

  i am iphone developer very new to this field....i am developing a ebook app in iphone using cocos2d...i use more than 150 images(i guess) the problem while turning from one page to another images get hanged randomly...... i tried this also [[TextureMgr sharedTextureMgr] removeAllTextures]; but went in vain...i guess the the problem is with the memory.....this my coding for all the pages -(id)init { if( (self=[super init] )) { self.isTouchEnabled = YES; [SimpleAudioEngine sharedEngine]; NSLog(@"b4 cover"); Sprite *bg1 = [Sprite spriteWithFile:@"a.jpg"]; bg1.anchorPoint = CGPointZero; [self addChild:bg1 z:-1]; once = TRUE; soundId = [[SimpleAudioEngine sharedEngine] playEffect:@".mp3"]; } return self; } -(void) transitionfront:(id) sender { [[SimpleAudioEngine sharedEngine] stopEffect:soundId]; soundId1 = [[SimpleAudioEngine sharedEngine] playEffect:@"page_turn.mp3"]; flip = [[Sprite spriteWithFile:@"a.jpg"] retain]; [self addChild: flip z:1]; [flip setPosition:ccp(160,240)]; Animation* animation1 = [Animation animationWithName:@"Page1" delay:0.09]; for( int i=1;i<4;i++) [animation1 addFrameWithFilename: [NSString stringWithFormat:@".jpg", i]]; id action = [Animate actionWithAnimation: animation1]; //id action = [RepeatForever actionWithAction:[Animate actionWithAnimation: animation1]]; [flip runAction:action]; [NSTimer scheduledTimerWithTimeInterval:0.3 target:self selector:@selector(moveforward) userInfo:nil repeats:NO]; } -(void) moveforward { [[SimpleAudioEngine sharedEngine] stopEffect:soundId1]; [[Director sharedDirector] replaceScene: [ [Scene node] addChild: [nextpage node] z:0] ]; } -(void) transitionback:(id) sender { [[SimpleAudioEngine sharedEngine] stopEffect:soundId]; soundId1 = [[SimpleAudioEngine sharedEngine] playEffect:@".mp3"]; flip = [[Sprite spriteWithFile:@".jpg"] retain]; [self addChild: flip z:1]; [flip setPosition:ccp(160,240)]; Animation* animation1 = [Animation animationWithName:@"Page1" delay:0.09]; for( int i=3;i>0;i--) [animation1 addFrameWithFilename: [NSString stringWithFormat:@".jpg", i]]; id action = [Animate actionWithAnimation: animation1]; //id action = [RepeatForever actionWithAction:[Animate actionWithAnimation: animation1]]; [flip runAction:action]; [NSTimer scheduledTimerWithTimeInterval:0.3 target:self selector:@selector(movebackward) userInfo:nil repeats:NO]; } -(void) movebackward{ //[[SimpleAudioEngine sharedEngine]stopEffect:@".mp3"]; [[Director sharedDirector]replaceScene:[[Scene node]addChild:[b4page node] z:0]]; } -(void) glossary :(id) sender { [[SimpleAudioEngine sharedEngine]stopEffect:soundId]; [[Director sharedDirector]replaceScene:[[Scene node]addChild:[ node] z:0]]; } -(BOOL)ccTouchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *touch = [touches anyObject]; CGPoint cocosTouchPoint = [touch locationInView: [touch view]]; CGPoint point = [[Director sharedDirector] convertToGL:cocosTouchPoint]; NSLog(@"pointx: %f pointy:%f", point.x, point.y); // Was a tab touched, if so, which one... if (CGRectContainsPoint(CGRectMake(220, 0, 100, 70), point)) { if(once) { NSLog(@"enterred page1"); [self transitionfront:nil]; once = FALSE; } } if (CGRectContainsPoint(CGRectMake(0,0,60,60), point)) { if(once) { NSLog(@"enterred cover"); [self transitionback:nil]; once = FALSE; } } if (CGRectContainsPoint(CGRectMake(100, 15, 30, 30), point)) { if(once){ [self glossary :nil]; once = FALSE; } } return kEventHandled; } -(void)playEffect:(NSString*)sound{ if(effectPlayer!=nil){ [effectPlayer release]; } NSURL *url = [NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:sound ofType:@"mp3"]]; effectPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:nil]; [effectPlayer setDelegate:self]; [effectPlayer play]; } -(void)stopEffect { [effectPlayer stop]; } -(void) dealloc{ [super dealloc]; } do pls help me........ do give me a exact coding this is the err..... *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSCFDictionary setObject:forKey:]: attempt to insert nil value (key: aesop.mp3)' 2010-05-27 10:43:09.834 abc[276:20b] Stack: ( 11674715, 2476006971, 11758651, 11758490, 5126917, 660698, 660881, 661061, 131577, 448857, 120432, 153433, 630890, 23694899, 23603228, 23630005, 47120081, 11459456, 11455560, 47114125, 47114322, 23633923, 9928, 9814 )

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• Ubuntu hang, and cannot be soft-reset after resuming from stand by mode

  - by Phuong Nguyen

  I have downgrade my xorg drivers, so I can hibernate and stand by my ubuntu smoothly. However, in some case, there's a problem. My ubuntu get hang. When I tried to switch to console mode (Ctrl+Alt+F1), then I cannot login. The system always reply with an error whenever I tried to press a key. When I press Ctrl+Alt+Del to perform a softreset, here what's it said: [80141.320122] end_request: I/O error, dev sda, sector 193687181 init: control-alt-delete main process (5660) terminated with status 2. This error is not even recorded in syslog. I guess this should be a problem with my hard disk since it said something about a bad sector. Exactly, what kind of error is this?

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• Received memory warning on setimage

  - by Sam Budda

  This problem has completely stumped me. This is for iOS 5.0 with Xcode 4.2 What's going on is that in my app I let user select images from their photo album and I save those images to apps document directory. Pretty straight forward. What I do then is that in one of the viewController.m files I create multiple UIImageViews and I then set the image for the image view from one of the picture that user selected from apps dir. The problem is that after a certain number of UIImage sets I receive a "Received memory warning". It usually happens when there are 10 pictures. If lets say user selected 11 pictures then the app crashes with Error (GBC). NOTE: each of these images are at least 2.5 MB a piece. After hours of testing I finally narrowed down the problem to this line of code [button1AImgVw setImage:image]; If I comment out that code. All compiles fine and no memory errors happen. But if I don't comment out that code I receive memory errors and eventually a crash. Also note it does process the whole CreateViews IBAction but still crashes at the end. I cannot do release or dealloc since I am running this on iOS 5.0 with Xcode 4.2 Here is the code that I used. Can anyone tell me what did I do wrong? - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. [self CreateViews]; } -(IBAction) CreateViews { paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask ,YES); documentsPath = [paths objectAtIndex:0]; //here 15 is for testing purposes for (int i = 0; i < 15; i++) { //Lets not get bogged down here. The problem is not here UIImageView *button1AImgVw = [[UIImageView alloc] initWithFrame:CGRectMake(10*i, 10, 10, 10)]; [self.view addSubview:button1AImgVw]; NSMutableString *picStr1a = [[NSMutableString alloc] init]; NSString *dataFile1a = [[NSString alloc] init]; picStr1a = [NSMutableString stringWithFormat:@"%d.jpg", i]; dataFile1a = [documentsPath stringByAppendingPathComponent:picStr1a]; NSData *potraitImgData1a =[[NSData alloc] initWithContentsOfFile:dataFile1a]; UIImage *image = [[UIImage alloc] initWithData:potraitImgData1a]; // This is causing my app to crash if I load more than 10 images! //[button1AImgVw setImage:image]; } NSLog(@"It went to END!"); } //Error I get when 10 images are selected. App does launch and work 2012-10-07 17:12:51.483 ABC-APP[7548:707] It went to END! 2012-10-07 17:12:51.483 ABC-APP [7531:707] Received memory warning. //App crashes with this error when there are 11 images 2012-10-07 17:30:26.339 ABC-APP[7548:707] It went to END! (gdb)

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• best way to record local modifications to an application's configuration files

  - by Menelaos Perdikeas

  I often install applications in Linux which don't come in package form but rather one just downloads a tarball, unpacks it, and runs the app out of the exploded folder. To adjust the application to my environment I need to modify the default configuration files, perhaps add an odd script of my own and I would like to have a way to record all these modifications automatically so I can apply them to another environment. Clearly, the modifications can not be reproduced verbatim as things like IP addresses or username need to change from system to system; still an exhaustive record to what was changed and added would be useful. My solution is to use a pattern involving git. Basically after I explode the tarball I do a git init and an initial commit and then I can save to a file the output of git diff and a cat of all files appearing as new in the git status -s. But I am sure there are more efficient ways. ???

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• How to kill an openvz container?

  - by johannes

  An openvz container can be stopped with vzctl stop <id> , but this needs the cooperation from the init inside the container. In case a container is compromised a way is needed to stop the container withouts its cooperation. Something like a vzctl kill <id> is needed which kills all processes inside the container and puts it into the stopped state. Such a kill command is not listed in the manpage. How can an openvz container be killed/stopped without needing it's cooperation?

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• How to troubleshoot git "unable to set permission" on adding project?

  - by Brian Knoblauch

  Finally decided to move from Subversion to Git, but am having problems with my first project. Did my "git init" and am trying to do a "git add" of my project, but it's failing with: $ git add . error: unable to set permission to '.git/objects/6b/6018c1c76dc5ec159d5cb65bab72 fa300d52f6' error: build.xml: failed to insert into database error: unable to index file build.xml fatal: adding files failed I have full permissions to the directories in question. The only odd thing about it is that it's a drive mounted (and mapped) from a server over CIFS. No problems creating/editing files/permissions with other applications. The host is Windows Vista x64 and I'm running git under Cygwin. Server is Windows 2008. Any other ideas on what I might be doing wrong?

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• Problems bringing up a second virtual network interface

  - by tubaguy50035

  I'm having issues adding a second IP address to one interface. Below is my /etc/networking/interfaces # The loopback network interface auto lo iface lo inet loopback #eth0 is our main IP address auto eth0 iface eth0 inet static address 198.58.103.* netmask 255.255.255.0 gateway 198.58.103.1 #eth0:0 is our private address auto eth0:0 iface eth0:0 inet static address 192.168.129.134 netmask 255.255.128.0 #eth0:1 is for www.site.com auto eth0:1 iface eth0:1 inet static address 198.58.104.* netmask 255.255.255.0 gateway 198.58.104.1 When I run /etc/init.d/networking restart, I get a fail error about bringing up eth0:1: RTNETLINK answers: File exists Failed to bring up eth0:1. Any reason this would be? I didn't have any problems with I first set up eth0 and eth0:0.

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• gluCylinder() how works OpenGL

  - by amin__

  I wanted to build a cricket ground with OpenGL. I made several polygons to indicate field, pitch and bowling lines. But the problem is when I am trying to use gluCylinder to make stumps I made depth glEnable(GL_DEPTH_TEST), but my polygons are then not working. I just want to know how Can I use gluCylinder to make stumps with those polygons I have made. I have following code, but want to add stumps here but I cant, #include <GL/gl.h> #include <GL/glut.h> static double deg=0.0; void display(void) { glClear (GL_COLOR_BUFFER_BIT); glRotatef(deg, 0.0, 0.0, 1.0); // Rotate by deg // field glColor3f (0.0, 0.5, 0.0); glBegin(GL_POLYGON); glVertex3f (0, 0, 0.0); glVertex3f (1, 0, 0.0); glVertex3f (1, 0.75, 0.0); glVertex3f (0.8, 0.82, 0.0); glVertex3f (0.6, 0.85, 0.0); glVertex3f (0.4, 0.85, 0.0); glVertex3f (0.2, 0.82, 0.0); glVertex3f (0.0, 0.75, 0.0); glEnd(); // pitch glColor3f (0.25, 0.30, 0.0); glBegin(GL_POLYGON); glVertex3f(0.5,0.65,0.0); glVertex3f(0.47,0.35,0.0); glVertex3f(0.60,0.35,0.0); glVertex3f(0.57,0.65,0.0); glEnd(); //ump line glColor3f (1.0, 1.0, 1.0); glBegin(GL_POLYGON); glVertex3f(0.49,0.63,0.0); glVertex3f(0.49,0.6315,0.0); glVertex3f(0.58,0.6315,0.0); glVertex3f(0.58,0.63,0.0); glEnd(); //bat line glColor3f (1.0, 1.0, 1.0); glBegin(GL_POLYGON); glVertex3f(0.46,0.40,0.0); glVertex3f(0.46,0.4025,0.0); glVertex3f(0.61,0.4025,0.0); glVertex3f(0.61,0.40,0.0); glEnd(); glFlush (); } void init (void) { glClearColor (0.0, 0.0, 0.0, 0.0); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0); } void keyboard(unsigned char key, int x, int y) { switch (key) { case 27: // "esc" on keyboard exit(0); break; case 97: // "a" on keyboard deg = deg+5.0; glutPostRedisplay(); break; case 100: deg = deg-5.0; glutPostRedisplay(); break; } } int main(int argc, char** argv) { glutInit(&argc, argv); glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB); glutInitWindowSize (600, 600); glutInitWindowPosition (100, 100); glutCreateWindow ("hello"); init (); glutDisplayFunc(display); glutKeyboardFunc(keyboard); glutMainLoop(); return 0; }

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• Multiple MySQL instances via mysqlmanager under Debian

  - by Karolis T.

  Has anyone got multiple MySQL instances running on Debian with mysqlmanager? Problem is, Debian doesn't ship with init.d script that takes mysqlmanager into account. Oh, and it doesn't work for me. I'm trying to run 3 instances, here's what I get after starting mysqlmanager # mysqlmanager --defaults-file=/etc/mysql/my.cnf ... 090614 0:42:10 starting instance 'mysqld2'... 090614 0:42:10 guardian: starting instance 'mysqld1'... 090614 0:42:10 starting instance 'mysqld1'... 090614 0:42:10 starting instance 'mysqld3'... 090614 0:42:10 guardian: starting instance 'mysqld3'... 090614 0:42:10 guardian: starting instance 'mysqld2'... 090614 0:42:10 starting instance 'mysqld2'... 090614 0:42:10 guardian: starting instance 'mysqld1'... 090614 0:42:10 starting instance 'mysqld1'... ... It just keeps "starting" and "restarting", but no MySQL instance ever starts up.

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• Random Server shutdown? - CentOS

  - by Kevin Hammett

  My system was working fine, and then it just had a random restart. Anyone have any idea of the problem? The message log: Jul 6 22:56:34 909I7 shutdown[719711]: shutting down for system halt Jul 6 22:56:34 909I7 init: Switching to runlevel: 0 Jul 6 22:56:35 909I7 smartd[10743]: smartd received signal 15: Terminated Jul 6 22:56:35 909I7 smartd[10743]: smartd is exiting (exit status 0) Jul 6 22:56:42 909I7 hcid[8749]: Got disconnected from the system message bus Jul 6 22:56:42 909I7 auditd[8430]: The audit daemon is exiting. Jul 6 22:56:42 909I7 kernel: audit(1341640602.922:344412): audit_pid=0 old=8430 by auid$ Jul 6 22:56:43 909I7 pcscd: pcscdaemon.c:572:signal_trap() Preparing for suicide Jul 6 22:56:43 909I7 pcscd: hotplug_libusb.c:376:HPRescanUsbBus() Hotplug stopped Jul 6 22:56:44 909I7 pcscd: readerfactory.c:1379:RFCleanupReaders() entering cleaning f$ Jul 6 22:56:44 909I7 pcscd: pcscdaemon.c:532:at_exit() cleaning /var/run Jul 6 22:56:44 909I7 kernel: Kernel logging (proc) stopped. Jul 6 22:56:44 909I7 kernel: Kernel log daemon terminating. Jul 6 22:56:45 909I7 exiting on signal 15

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• apache running but site not accessible

  - by Shyam

  Am pretty new to server administration. So I am not able to get to the root of the problem. I am running Apache2 with mod_php on a 1GB Rackspace Cloud Server (Ubuntu 9.10). My site goes down often, and I have to restart apache2 to get the site working. I checked the "error.log" file. There were no signs of any error messages. I even searched for words like [error] / error / warn / [warn] . But no results. The site goes down and even then apache is running. When the site was down, the checked the status /etc/init.d/apache2 status and it gave ** * Apache is running (pid 433). ** Any suggestions where I should look for the problem. Thanks a lot.

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