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  • Fresh Red Hat Enterprise Linux fails to install httpd using yum

    - by Julian
    I'm trying to install a LAMP stack in a fresh red hat server but yum is misbehaving. Being linux illiterate I'm at a loss. $yum install httpd Loaded plugins: security Setting up Install Process No package httpd available. Nothing to do My yum config $ cat /etc/yum.conf [main] cachedir=/var/cache/yum keepcache=0 debuglevel=2 logfile=/var/log/yum.log distroverpkg=redhat-release tolerant=1 exactarch=1 obsoletes=1 gpgcheck=1 plugins=1 # Note: yum-RHN-plugin doesn't honor this. metadata_expire=1h # Default. # installonly_limit = 3 # PUT YOUR REPOS HERE OR IN separate files named file.repo # in /etc/yum.repos.d Other stuff in the yum.repos.d dir $ ls -lah /etc/yum.repos.d/ total 12K drwxr-xr-x 2 root root 4.0K Feb 4 01:15 . drwxr-xr-x 59 root root 4.0K Feb 4 01:28 .. -rw-r--r-- 1 root root 561 Mar 10 2010 rhel-debuginfo.repo What could be going on? I thought "out of the box" RHEL5.5 would be friendlier :)

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  • Graphing new users by date in a Rails app using Seer

    - by Danger Angell
    I'd like to implement a rolling graph showing new users by day over the last 7 days using Seer. I've got Seer installed: http://www.idolhands.com/ruby-on-rails/gems-plugins-and-engines/graphing-for-ruby-on-rails-with-seer I'm struggling to get my brain around how to implement. I've got an array of the Users I want to plot: @users = User.all( :conditions = {:created_at = 7.days.ago..Time.zone.now}) Can't see the right way to implement the :data_method to roll them up by created_at date. Anyone done this or similar with Seer? Anyone smarter than me able to explain this after looking at the Seer sample page (linked above)?

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  • How do I remove a repository of yum

    - by sunil
    When I search for a package in yum(centos 6), it tries to search in a repro named 'c6-media' And it gives a bunch of errors as follows file:///media/CentOS/repodata/repomd.xml: [Errno 14] Could not open/read file:///media/CentOS/repodata/repomd.xml Trying other mirror. file:///media/cdrecorder/repodata/repomd.xml: [Errno 14] Could not open/read file:///media/cdrecorder/repodata/repomd.xml Trying other mirror. file:///media/cdrom/repodata/repomd.xml: [Errno 14] Could not open/read file:///media/cdrom/repodata/repomd.xml Trying other mirror. Error: Cannot retrieve repository metadata (repomd.xml) for repository: c6-media. Please verify its path and try again Obviously the error seems to say that yum is trying to search for the CD/DVD which installed the OS. I do not have it now. All I want to do now is to delete this repository from yum. I went to the package manager graphical tool and removed this from the sources. Seems yum and the graphical tool do not use the same config. This is just my guess.

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  • Using Knockout.js to bind bootstrap daterange picker and parse span contents

    - by jmkr
    I'm new to knockout and trying to get what should be a simple task up and running. I'm working on an MVC4 .NET app with the intention of binding a date range picker to make ajax requests for updating Highchart graph data. I'm using Dan Grossman's bootstrap-themed date picker and it's been great so far (https://github.com/dangrossman/bootstrap-daterangepicker). The basic goal is to watch the span that this jQuery date ranger picker updates, and then use knockout to pass this value to another part of the app for the ajax request. I've tried everything I can find online.. valueUpdate:change on the span to using some jQuery within knockout to get the same goal done, to using a subscribe function to watch the value of the span before and after the date picker is used. Apparently this uses the jQuery .change() event handler, which is only good on inputs, selects, and textareas.. not spans. Here's the fiddle of what I have so far: http://jsfiddle.net/eyygK/9/ Appreciate any help and input.

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  • MySQL Federated Tables Escaped Table Names

    - by Gordon
    I am trying to use MySQL federated tables. The problem is that the documentation specified at http://dev.mysql.com/doc/refman/5.0/en/federated-use.html says that a federated table should be created using the following format for the CONNECTION parameter: scheme://user_name[:password]@host_name[:port_num]/db_name/tbl_name E.G. CONNECTION='mysql://username:password@hostname:port/database/tablename' CONNECTION='mysql://username@hostname/database/tablename' CONNECTION='mysql://username:password@hostname/database/tablename' The problem is that the table I am trying to connect to has non-standard characters in it and I cannot find the proper way to scape them in the connections tring. For example, a table named `Table (one)` . Which has the space and the parenthesis, requiring backticks surrounding it inside any SQL code. Anyone know the proper way to do this?

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  • invalid property id error while passing data in json format

    - by robezy
    I have a some data in JSON format(which comes from php) to be passed to a javascript function. I'm getting 'invalid property id' error when I try to do this. Error: invalid property id Source File: http://localhost/MathVoyager/index.php/test Line: 1, Column: 15 Source Code: draw_quadratic({ Below is the js function signature(both data and options are in JSON format) function draw_quadratic(data, options, alpha, beta) Below is a sample function call. `draw_quadratic({"label":"(((1)*x^((1))+(4))*((1)*x^((1))+(6))) = (0)","data":[[-8,8],[-7.5,5.25],[-7,3],[-6.5,1.25],[-6,0],[-5.5,-0.75],[-5,-1],[-4.5,-0.75],[-4,0],[-3.5,1.25],[-3,3],[-2.5,5.25],[-2,8]],"xaxis":1,"yaxis":1}, {"series":{"points":{"show":true},"lines":{"show":true}},"grid":{"hoverable":true,"clickable":true}}, 4, 8); ` (I'm trying to plot some graph using flot js library) Thanks in advance

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  • Drawing and Animating with UIView or CALayer?

    - by Markus
    hello, i am trying to implement a graph which a uiview draws. There are 3 UIViews to animate a left/right slide. The problem is, that i can't cancel the UIView animation. So I replaced the UIViews by CALayer. Now, the question is if CALayer is appicable for this? Is it normal to draw on a CALayer like this? And why is a CALayer so slow when I manipulate the frame properties. CGRect frame = curve.frame; frame.origin.x -= diffX; [curve setFrame:frame]; Is there a alternativ? P.S. I am a german guy. Sorry for mistakes.

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  • MS SQL Server not running on Win7

    - by Anas
    I have installed available all components of "MS_SQL_05" as give named instance on Win-7. I had a default instance running of MSSQL08. While Installing MSSQL05 Instance I choose to use windows authentication. But now I got a problem and my database engine is not running, actually no components are working except I am just able to login to Integration service. I think there is some Username issue, coz It using UsrNm :'Anas-PC\Anas' which seems incorrect. Here below is the detail =================================== Cannot connect to ANAS-PC\MS_SQL_05. =================================== Login failed for user 'Anas-PC\Anas'. (.Net SqlClient Data Provider) Server Name: ANAS-PC\MS_SQL_05 Error Number: 18456 Severity: 14 State: 1 Line Number: 65536

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  • Naming conventions and field naming question for CakePHP

    - by jphenow
    Okay so two questions very related: 1) Does following the naming convention for classes, controllers, database fields, etc. affect the framework's ability to work the way it was intended? (I'm a little new to working with a framework from the beginning of app development) 2) This question is more important if 1 is a yes. Say I have a table, A, that has 2 foreign keys pointing at the same table, B, but different entries (they're like edges of a graph that point at two vertices) how would I follow the naming convention of their database fields? All I can think to do is something like vertex_1_id and vertex_2_id but I don't know how the framework would handle that if the naming conventions are necessary for its functioning correctly.

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  • Problem with tomcat and getLocalHost exception

    - by xain
    I'm running a Linux server named S1 in a "cloud" server, and when tomcat 6.0.24 starts, I get the exception: org.apache.catalina.connector.Connector pause SEVERE: Protocol handler pause failed java.net.UnknownHostException: S1: S1 at java.net.InetAddress.getLocalHost(InetAddress.java:1353) at org.apache.jk.common.ChannelSocket.unLockSocket(ChannelSocket.java:485) Which then leads to: ERROR ehcache.Cache - Unable to set localhost. This prevents creation of a GUID. Cause was: Sjira1: S1 java.net.UnknownHostException: S1: S1 at java.net.InetAddress.getLocalHost(InetAddress.java:1353) at net.sf.ehcache.Cache.<clinit>(Cache.java:143) My hosts file is: 127.0.0.1 localhost localhost.localdomain (valid-ip-address) S1 S1.(valid domain name) ping S1 and S1.(valid domain name) return valid ip address nslookup S1.(valid domain name) returns valid ip address nslookup S1 throws ** server can't find S1: NXDOMAIN Any ideas about how to fix this ? Thanks

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  • Problem with tomcat and getLocalHost exception

    - by xain
    I'm running a Linux server named S1 in a "cloud" server, and when tomcat 6.0.24 starts, I get the exception: org.apache.catalina.connector.Connector pause SEVERE: Protocol handler pause failed java.net.UnknownHostException: S1: S1 at java.net.InetAddress.getLocalHost(InetAddress.java:1353) at org.apache.jk.common.ChannelSocket.unLockSocket(ChannelSocket.java:485) Which then leads to: ERROR ehcache.Cache - Unable to set localhost. This prevents creation of a GUID. Cause was: Sjira1: S1 java.net.UnknownHostException: S1: S1 at java.net.InetAddress.getLocalHost(InetAddress.java:1353) at net.sf.ehcache.Cache.<clinit>(Cache.java:143) My hosts file is: 127.0.0.1 localhost localhost.localdomain (valid-ip-address) S1 S1.(valid domain name) ping S1 and S1.(valid domain name) return valid ip address nslookup S1.(valid domain name) returns valid ip address nslookup S1 throws ** server can't find S1: NXDOMAIN Any ideas about how to fix this ? Thanks

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  • Installing a wiki on Snow Leopard

    - by JPCF
    Hi... I want to instal twiki on my mac and server it from ~/Sites. Because the wiki has code to be run, I have to modify the user and group of wiki's files and directories, but I'm not sure about: 1) It is secure to change the user and group to the web server's group? If not what can I do having into account that I'll not put 777 permissions on those files? 2) How are named apache and web user groups? Thanks...

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  • How can I successfully dechiper Instruments Messages for iPhone Leak

    - by dubbeat
    Hi, I have a memory leak in my app. (This is the first of many I'm sure :() I've being trying to use Instruments to find it. Instruments gives me a lot of information but I think I must just not know how to use this information. What I did so far was 1) Run the app with Instruments 2) Memory Leak Occurs named general -stack 16 3) Find general - stack 16 in the object allocations part of instruments 4) The information here says the event type is a malloc, that webcore is responsible and the something named WKSetCurrentGraphicContext is the responsible caller. How can I use this given information to discover where in my code the leak is being caused? If I comment out the following function I don't get the leak warning so I guess it should be in there somewhere but I can't see where -(void)constructFeatured { NSString *imageName =[[NSString alloc] initWithFormat:@"%@%@%@",@"http://myweb/avatar_", featuredValueObject.featured_promo_artistid, @".jpg"]; NSURL *url = [NSURL URLWithString:imageName]; CGRect frame; frame.size.width=100; frame.size.height=100; frame.origin.x=20; frame.origin.y=39; [imageName release]; imageName=nil; SDWebImageManager *manager = [SDWebImageManager sharedManager]; UIImage *cachedImage = [manager imageWithURL:url]; if (cachedImage) { cachedImage =[ImageManipulator makeRoundCornerImage:cachedImage : 10 : 10]; UIImageView *avatarimageview = [[UIImageView alloc]initWithImage:cachedImage ]; avatarimageview.frame=frame; [self.view addSubview:avatarimageview]; UIView *spinny = [self.view viewWithTag:SPINNY_TAG]; [spinny removeFromSuperview]; [avatarimageview release]; } else { [manager downloadWithURL:url delegate:self]; } NSURL *url2 =[NSURL URLWithString:[NSString stringWithFormat:@"%@%@%@",@"http://myweb/", featuredValueObject.featured_promo_artistcountry , @".png"]]; CGRect flagframe; flagframe.size.width=16; flagframe.size.height=11; flagframe.origin.x=130; flagframe.origin.y=40; NSData* data = [[NSData alloc] initWithContentsOfURL:url2]; UIImage* img = [[UIImage alloc] initWithData:data]; UIImageView *imageflagview = [[UIImageView alloc] initWithImage: img]; imageflagview.frame=flagframe; [self.view addSubview:imageflagview]; [imageflagview release]; imageflagview=nil; [data release]; [img release]; [url release]; artistname =[[UILabel alloc]initWithFrame:CGRectMake(130,75, 200, 15)]; [artistname setFont:[UIFont fontWithName:@"Arial" size:(16.0)]]; artistname.backgroundColor= [UIColor clearColor]; artistname.textColor=[UIColor whiteColor]; artistname.text=featuredValueObject.featured_promo_artistname; [self.view addSubview:artistname]; [artistname release]; hasConstructedFeatured=YES; [featuredValueObject release]; featuredValueObject=nil; }

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  • Sql Server 2005 cluster - unable to rename to old server name

    - by Paul2020
    We have a sql 2005 cluster on W2K8 cluster. It is a named instance say SRV1\A. Then I built a new W2K8 (with a diff cluster service name) but the same service account. Then I installed a new sql 2005 cluster say SRV2\A. Now when I bring down the sql server resources on SRV1 and try to rename SRV2\A to SRV1\A through the cluster admin, I get the error the network name already exists. I have tried bringing an old cluster and installing a new cluster with the same name and it works. Why am I not able to rename the name? Any advice would very helpful.

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  • Creating an Excel 2007 bubble chart with date values in axis

    - by Shadowfoot
    I'm trying to create a graph showing the duration of issue resolution. I believe a bubble chart in excel will show what I want but I can't manage to get it working correctly. For each date I have a number of days (duration) and a number of issues (magnitude). Most dates have a duration of 1 with a large magnitude, and I want to avoid the outliers dominating the chart. e.g. 1-Feb, 1, 15 1-Feb, 2, 10 1-Feb, 9, 1 2-Feb, 1, 11 2-Feb, 2, 14 2-Feb, 6, 2 2-Feb, 18, 1 etc. I want the data in this example to give me 2 columns of bubbles. When I try to get excel to create the chart I can't get the date to appear at on the x axis; I get a count (representing the row of the data) instead, and as each row is a separate column, the values don't line up for the date. Can this be done in Excel 2007 without using VBA?

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  • Using an allowed user list with VSFTPD

    - by Naftuli Tzvi Kay
    According to the Wiki here, you can only allow certain users to log in over FTP using the following configuration in your /etc/vsftp.conf file: userlist_enable=YES userlist_file=/etc/vsftp.user_list userlist_deny=NO I've configured my system to use this configuration, and I only have one user which I'd like to expose over FTP named streams, so my /etc/vsftp.user_list looks like this: streams Interestingly enough, I cannot log in once I enable to user list. If I change userlist_enable to NO, then things work properly, but if I enable it, I can't log in all, it just keeps trying to reconnect. I don't get a login failed message, it just keeps trying to reconnect when using lftp. My /etc/vsftp.conf file is available on Pastebin here and my /etc/vsftp.user_list is available here. What am I doing wrong here? I'd just like to only make the streams user able to log in.

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  • DELL switch 6248 port and mac mapping using SNMP

    - by Brad
    I have a Dell 6248 switch. I connect some of my servers to it and want to know which server nic connected to which switch port. I try using snmpwalk to get this information, but I just can get mac/ip mapping of my server nic from switch, I still can't get which switch port it connect. I try a tool named Managed Switch Port Mapping tool, it can show which switch port is connected to which nic/ip. I use WireShare to get all snmp packets but still can't find what's the snmp oid to get this information. Anyone knows how to get this?

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  • Gantt Chart online

    - by Luca
    I need to insert a horizontal bar chart in a web page. The thing I have to do is very similar to a Gantt Chart. I'd like to use a javascript library for the purpose. I tried jsgantt, but actually it is not very beautiful. I could evaluate also a server generation of the graph. In case my server side language is Python. It will be part of an internal project with no internet access, so Google Charts isn't an option.

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  • win2008 r2 IIS7.5 - setting up a custom user for an application pool, and trust issues

    - by Ken Egozi
    Scenario: blank win2008 r2 install the goal was to have a couple of sites running with isolated pool and dedicated users A new folder for a new website - c:\web\siteA\wwwroot, with the app (asp.net) deployed there in the /bin folder created a user named "appuser" and added it to the IIS_USERS group gave the website folder read and execute permissions for IIS_USERS and the appuser created the IIS site. set the app=pool identity to the appuser now I'm getting YSOD telling me that the trust-level is too low - SecurityException: That assembly does not allow partially trusted callers Added <trust level="Full" /> on the web-config, did not help changing the app-pool user to Administrator makes the site run Setting "anonymous user identity" to either IUSR or the app pool identity makes no difference any idea? is there a "step by step" howto guide for setting up users for isolated app pools on IIS7.5?

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  • Find coordinate by angle

    - by George Johnston
    I am developing in application in XNA which draws random paths. Unfortunately, I'm out of touch with graphing, so I'm a bit stuck. My application needs to do the following: Pick a random angle from my origin (0,0), which is simple. Draw a circle in relation to that origin, 16px away (or any distance I specify), at the angle found above. (Excuse my horrible photoshoping) The second circle at (16,16) would represent a 45 degree angle 16 pixels away from my origin. I would like to have a method in which I pass in my distance and angle that returns a point to graph at. i.e. private Point GetCoordinate(float angle, int distance) { // Do something. return new Point(x,y); } I know this is simple, but agian, I'm pretty out of touch with graphing. Any help? Thanks, George

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  • Installed mountain lion, getting a python virtual env error?

    - by user27449
    I recently installed mountain lion (10.8) and when I open up my terminal I get this message: Traceback (most recent call last): File "<string>", line 1, in <module> ImportError: No module named virtualenvwrapper.hook_loader virtualenvwrapper.sh: There was a problem running the initialization hooks. If Python could not import the module virtualenvwrapper.hook_loader, check that virtualenv has been installed for VIRTUALENVWRAPPER_PYTHON=/usr/bin/python and that PATH is set properly. Before I try and fix this, I was hoping someone could guide me as I haven't touched python in a while and I don't want to mess up this installation.

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  • Gre Tunnel Cisco Linux traffic forwarding

    - by mezgani
    I setup a gre tunnel a cisco router and a Linux machine, the tunnel interface in the Linux box named pic. Well i have to forward traffic coming from cisco through the Linux box. the rules i've set in the Linux box is described as follow: echo "1" /proc/sys/net/ipv4/ip_forward iptables -A INPUT -p 47 -j ACCEPT iptables -A FORWARD -i ppp0 -j ACCEPT iptables -A FORWARD -i pic -o ppp0 -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A FORWARD -i ppp0 -o pic -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE I see the traffic coming from tunnel and forwarded to internet but no reply from sent packet. May i miss something like a routing rule.

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  • How do special folders work on Windows 7?

    - by Martin
    Hello, I did something silly and accidentally moved my my special folders (My Documents, My Music etc.) to the Desktop. Once I noticed my mistake I quickly moved them back. But now my System acts erratically. It continuously creates new empty folders on my Desktop. And I have now two folders named "My Pictures" in my home directory. One of which is magically linked to the one in Desktop while on the command line one one is actually visible. If I delete the superfluous folders on Desktop then the explorer crashes. It is all a big mess. Of course I checked HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\User Shell Folders and it looks all ok there. So here the question: As anybody got any informations on how Windows 7 handles the special folders which might help be clean up the mess? I am well versed in using both the command line or the registry editor.

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  • Windows XP computer can't see Windows 7 shares

    - by Alex Brault
    I am building a network containing notably a laptop running XP and a computer running Windows 7. Both computer have shared folders and the 7 has a shared printer, to which another laptop running 7 is able to print. If I attempt to see the laptop's network shares on the PC, everything works perfectly: I am able to see and enter the folders. The reverse operation however doesn't work. Xp doesn't see the Windows 7 PC. Other things to note: As mentioned above, another Windows 7 computer is able to see the printer and I can ping both computers from either PC. Both computers are in the same workgroup named ALLAITEMENT Password-protected shares are turned off on the PC. The 7 Computer uses 40/56 bit encryption The Windows XP laptop has SP3

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  • How to provide multiple input to ffmpeg?

    - by tomm89
    I'm using ffmpeg to create time-lapses and it's working great. As input I have images named 001.jpg, 002.jpg, etc. and then with the command ffmpeg -i %3d.jpg -sameq -s 1440x1080 video.mp4 I create the video. But my problem comes when I want to create a video using multiple sets as input. For example, I'm in a dir where I have two folders set1 and set2, each with photos in it in the format explained previously. I tried doing ffmpeg -i ./set1/%3d.jpg -i ./set2/%3d.jpg -sameq -s 1440x1080 video.mp4 but it ends up doing a video using only the first set. Is there an easy way to do this? Thanks!

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