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• Cant access EC2 hosted website

  - by Himanshu Page

  For some reason, I am unable to access our website www.doccaster.com (Bad request nginx). We are hosted on amazon EC2 with elastic ip associated to it. The weird part is a) I can access it through the public dns url http://ec2-184-73-195-180.compute-1.amazonaws.com b) My co founder who is located in another city can access it via www.doccaster.com. I observed that my instance was failing reachability check, so I launched a new one and assigned it the the elastic ip. I tried to ping the ip address 184.73.195.180 from my machine but no success. Any help will be really appreciated. More details I ran the following command on my server netstat -lntp | grep -E 'apache|httpd' and it displays :::80 for httpd . Is this accurate ? Should it be 0:0:0:80 ? or doesnt matter?

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• install clamav from surceforge

  - by maria

  I'm using Ubuntu 10.04. I'm affraid I've installed a virus on my computer (I've clicked a link which was a virus), I'd prefere to check if everything is fine. I've installed clamAV using Synaptic. The installed version was 0.96.5, while the most recent version is 0.97.6. When I was trying to update virus database, I got a warning that the version of clamAV I'm using is outdated. Since I didn't know how to update the software by Synaptic or apt (both show the installed version as the newest) I've uninstalled all and downloaded the recent version from sourceforge. I've unpacked the tar.gz archive, entered the folder but when I type ./configure I'm getting the message: configure: error: Please install zlib and zlib-devel packages When I type sudo aptitude install zlib zlib-devel The terminal output says there is no such packages (there is no package zlib-devel and there is many packages which name contain zlib). I suppose the link contained probably the Windows virus, but I'd prefere to make sure there is nothing in my computer. As well as I'm not sure if the virus, even without harming my system, can send itself to my e-mail contacts or not.

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• Banshee doesn't like opening websites

  - by Allan

  I have come across two bugs (which will be added to launchpad if it's not resolved here) When I open any of the websites in Banshee Amazon or Miro Guide as soon as the site is finished loading it crashes Banshee. If I play any video local or remote it will show 1 frame maybe 0.5 sec of video then I get a black screen and audio continues in the backgound. Specs & Details I have a Fujitsu Amilo 1718 laptop with 2 gig of ram (original 1 gig) graphics is provided by ATI Radeon Xpress 200M (don't laugh it works with compiz....just) I have a link to the output of banshee --debug Here Don't have time to read? Here are the Highlights [2 Warn 11:52:34.814] Caught an exception - System.ArgumentNullException: Argument cannot be null. then abit later Debug info from gdb: Could not attach to process. If your uid matches the uid of the target process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try again as the root user. For more details, see /etc/sysctl.d/10-ptrace.conf ptrace: Operation not permitted. ================================================================= Got a SIGSEGV while executing native code. This usually indicates a fatal error in the mono runtime or one of the native libraries used by your application. ================================================================= Aborted Not music to my ears as you can expect. The version I am using is 1.9.4 from the daily ppa but these bugs happen in any version of banshee from 1.8.1 and up. So if any one has come across a fix for this problem please share!! additional info Both VLC and Miro work on my system so there isn't a system wide problem with video and I haven't mentioned mono so no trolling it will get voted down.

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• Recursively apply ACL permissions on Mac OS X (Server)?

  - by mralexgray

  For years I've used the strong-armed-duo of these two suckers... sudo chmod +a "localadmin allow read,write,append,execute,\ delete,readattr,writeattr,readextattr,writeextattr,\ readsecurity,writesecurity,chown" sudo chmod +a "localadmin allow list,search,add_file,add_subdirectory,\ delete_child,readattr,writeattr,readextattr,\ writeextattr,readsecurity,writesecurity,chown" to, for what I figured was a recursive, and all-encompassing, whole-volume-go-ahead for each and every privilege available (for a user, localadmin). Nice when I, localadmin, want to "do something" without a lot of whining about permissions, etc. The beauty is, this method obviates the necessity to change ownership / group membership, or executable bit on anything. But is it recursive? I am beginning to think, it's not. If so, how do I do THAT? And how can one check something like this? Adding this single-user to the ACL doesn't show up in the Finder, so… Alright, cheers.

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• List all BPM Processes for a user

  - by kasriniv

  Hello, Happy to start contributing to this blog..  The title of the blog is probably deceptively simple and warrants an elaboration. Customized BPM workspaces/user interfaces are a fairly common requirement. One of our marquee customers in the online stock trading business, envisioned this user interaction for their BPM application: User logs in to the internal portal Use will have list of roles which he is granted as a drop down list Once user selects the role, a list of processes which user is part of appear. Logged in user can be part of any swimlane role of the process This can be a fairly common/reasonable user-UI interaction pattern. 1. and 2. are easily achievable and hence the subject matter of this blog is the requirement in 3. Objective: Given a username and a role, list all the BPM processes that the user is part of, in any swimlane of any process. Here is quick overview of the major steps/logic in the code: Intialize workflow/BPM  context as usual Get a handle on InstanceQueryService(getInstanceQueryService), InstanceManagementService,        ProcessMetadataService and ProcessModelService List all Processes for that bpmcontext (listProcessMetadataSumary) and get Granted roles to that user For each of the processes [method  getAccessibleProcesss(ProcessMetadataSummary, Set)]for each of the lanes in the process, check if the role granted to the user, matches the roleName for that swimlane. If so, add to output. Notes: The usual caveats apply including BPM APIs are subject to change.  JDeveloper method introspection is your better friend than API documentation :-)... (I am going to try upload the source code  and if it doesnt work, will follow this blog up with the corresponding source code.) Hope this helps.  Ack: Yogesh K, BPM Dev team.

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• What is the easiest way to do a direct file transfer of an extremely large file over the Internet?

  - by Kenneth Cochran

  I would like to transfer a 20+ GB file to a friend. I would like it to: Be fast Ensure data integrity Not require opening ports in either end's firewall Be free Not broadcast the file's existence to everyone on the Internet I've looked a several technologies and nothing seems to fit: Gnutella, BitTorrent, et al. satisfies 1, 2 and 4 JetBytes... 1, 3, 4 and 5 Yahoo Messenger, AIM, etc. 3, 4 and 5 FTP, SFTP... 1?, 4 and 5 rsync... 1, 2, 4 and 5 For a file this size speed and data integrity are the most important. No one wants a 20 GB file to fail a MD5 check after spending two days downloading it. Is there anything that meets all these requirements?

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• After reboot allocated node gets commissioned again

  - by cloudfan

  i had set up a maas with juju and deployed Openstack into it for testing. During my vacation i shut down all computers. Afterwards i started at first the maas server, then the node where juju was bootstrapped and juju-gui was deployed to. Sadly the node got commissioned again and so all my deployments are gone. I decomissioned the according node from the maas and bootstrapped it again. Afterwards i tested again juju bootstrapping the node, shutting down both nodes and starting them in the same order again. The Juju node gets commisioned again. After bootstrapping everything looked fine in the MAAS GUI (node was set to allocated to root, which was also the case after the restart) and also the JUJU GUI was available and juju status worked fine. Before my vacation i also had some other nodes deployed through juju. They all seem to be still available and have not been commisioned again. Do you have any ideas what might have happened? Is there any issue with a bootstrapped juju node and the commisioning? Any help or hints on what i could check are appreciated! Thank in advance for your help!

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• Rewrite for robots.txt and favicon.ico [closed]

  - by BHare

  I have setup some rules in which subdomains (my users) will default to where I have located the robots.txt, favicon.ico, and crossdomain.xml therefore if a user creates a site say testing.mywebsite.com and they don't make their own favicon.ico at testing.mywebsite.com/favicon.ico, then it will use the favicon.ico I have in /misc/favicon.ico This works perfect, but it doesn't work for the main website. If you attempt to go to mywebsite.com/favicon.ico it will check if "/" exists, in which it does. And then never redirects to /misc/favicon.ico How can I get it so both instances redirect to /misc/favicon.ico ? # Set all crossdomain (openpalace file) favorite icons and robots.txt doesnt exist on their # side, then redirect to site's just to have something to go on. RewriteCond %{REQUEST_URI} crossdomain.xml$ RewriteCond ^(.+)crossdomain.xml !-f RewriteRule ^(.*)$ /misc/crossdomain.xml [L] RewriteCond %{REQUEST_URI} favicon.ico$ RewriteCond ^(.+)favicon.ico !-f RewriteRule ^(.*)$ /misc/favicon.ico [L] RewriteCond %{REQUEST_URI} robots.txt$ RewriteCond ^(.+)robots.txt !-f RewriteRule ^(.*)$ /misc/robots.txt [L]

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• Network monitoring library, or objects, for a cloud

  - by Andrew Smith

  I am looking for library to support server / switch monitoring, to actually be able to check with the device if it's working OK. However this requires some sort of auto-detection and device support. Basically I need to automatically detect a new device, start monitoring it like CPU and PING. So how do I auto-detect the machine remotely, this is something I need library for. Rackspace has something like this - "Cloud Monitoring API". But is there anything opensource which can be used same way? The Nagios and others doesnt have such API, and the big and expensive systems are too big to handle in public cloud, so there must be some other network monitoring engine with API, which can add a new servers automatically and support user isolation for example so I dont see other servers except mine.

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• When Exchange receives a message, send notification to another address

  - by Rick Kierner

  I have an internal Exchange 2010 server that receives no outside email and sends no email outside. I'd like to send a notification email to an outside email when a user receives a message on the internal Exchange server. This message would simply say "A Message has been sent to your XYZ Email, go check it" Theoretically, the AD would have an external email address associated with the user's AD account. I'm hoping that a process could be triggered when an email is received on this Exchange server and I could take some type of action to look up the AD account for the recipient, grab the external email address and send a standard email to that user. This would be a global rule for all Exchange accounts. The problem is that I don't know where to start. Thanks!

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• Virtualbox install 12.04 guest: "pae not present"

  - by Peter.O

  I get this message while trying to install Ubuntu 12.04 as a guest in VirutalBox 4.1.18, on an Ubuntu 10.04 host. This kernel requires the following feature not present on the CPU: pae Some host specs: The host's kernel is: Linux 2.6.32-41-generic-pae GNU/Linux lscpu (host): Architecture: i686, CPU op-mode(s): 32-bit, 64-bit grep --color=always -i PAE /proc/cpuinfo   does show pae in its output. The 12.04 iso used is: ubuntu-12.04.0-desktop-i386.iso As a comparison/check, I downloaded and installed Linux Mint 13 Cinnamon to the same host on the exact same VM (I just changed the .iso image). It worked fine. Its iso is: linuxmint-13-cinnamon-dvd-32bit.iso It seems (to me) that I have pae.. what is going on here? Update: I had assumed that Linux Mint also required pae (being Ubuntu based), but I've just run;   grep --color=always -i PAE /proc/cpuinfo   in the Mint VM.   It showed no output.   So it seems the issue may lie with VirtualBox.   If that is the case, how can I get Virtualbox into pae mode?

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• Suggestion for setting web application parameters

  - by user40730

  I'm creating a web application on GWT. I'm using MVP pattern with activities and places. I have a xml config file containing some parameters to be used by the application. Content of this xml file is sent to the client using HttpRequest; I'm using a singleton class to hold the information from the xml file. Right now, the application is getting the data when the user starts the application in the home page, that is working well. Now, since I'm using activities and places, a user can bookmark a page and starts the application in any other page (Place). And here comes the problem: Since I'm using some of the information from the xml file to set some ui widgets, I have to check if the xml config file was read and the application already has the parameters (I do this by checking the singleton class). But the xml file is read by using an HttpRequest, so I got errors 'cause the application needs some parameters to initialize some ui widgets, but these parameters aren't ready on time. I was thinking on using an synchronous request to fix the problem, but it seems complicated and not recommendable to do that. So, I'd like to hear some other suggestions. Thanks.

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• Misbehaving Network Printers - options?

  - by Dan Kelly

  We are having some issue with printers on our network. We have 3 floors, 2 printers per floor (A3 & A4) all connected to the same Print Server. The issue is that the same printer may not behave the same on two different, seemingly identical desktops. The commonest place this is seen on our bulk print script in AutoCAD - occasionally drawings may print Landscape on Portrait paper, despite drawings always being Landscape... Does any one have any suggestions on what we can check / try? The current line of attack is to setup a new Print Server, with the HP universal print driver rather than the device specific drivers, and replace printers using exactly the same method on all desktops. Sound good?

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• Cannot get Virtual PC to install on my machine

  - by Brandon

  I'm not sure what I'm doing wrong. I ran the tool to check that hardware virtualization is enabled, and it is (i7-2600). I ran the proper version of the Virtual PC download (Windows 7 Professional x64) and I can see the Windows Virtual PC (KB958559) update in my installed updates list. The .msu file runs fine without errors, but even after multiple reboots I can't actually find a trace of Virtual PC anywhere. There is nothing in program files, the start menu, or system32. Am I missing a step?

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• Show Slave Status not working from console, nor client.

  - by Mr. Leinad

  Hello, I have a somewhat strange case. Whenever one of my coworkers executes this line: show slave status; from their MySQL clients, it works smoothly. But if I do that, it says: ERROR 1227 (42000): Access denied; you need the SUPER,REPLICATION CLIENT privilege for this operation We are all going against the same database, and if I check privileges I can see: GRANT ALL PRIVILEGES ON . TO 'usermysql'@'%' IDENTIFIED BY PASSWORD 'password' There's something wrong with my computer.. but I can't pinpoint where it is.. Thanks EDIT: It's kinda bizarre.. it goes through a VPN remotely. But if I change the internet connection, then it works.. If the previous internet connection is restored, it doesn't.. Could we classify this among the great mysteries of the world? Or someone has an idea?

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• JCP Open EC Meeting on 30 September 2012

  - by heathervc

  The JCP program office and Executive Committee invites all Java Community members to attend the OPEN EC Meeting on Sunday, 30 September at the Clift Hotel in San Francisco.  The meeting is adjacent to The Zone at JavaOne, but no JavaOne (or any other kind) of pass is required to attend.  It is OPEN to all!  Agenda topics include: JCP.Next status/overview of JSRs 355 and 358, improving communications between the EC and the community; Open Q&A and reminders of JCP events at JavaOne & Annual awards.  Any other suggestions?  This meeting is for you.  Let us know your questions pmo at jcp.org. Or bring them with you.  Details below. JCP Public Executive Committee Face-to-Face Meeting Open to Executive Committee Members and the Java Developer Community Location: Clift Hotel, 495 Geary Street, San Francisco - Rita Room (downstairs from Lobby) Date and Time: 9/30/12, 2:00 PM - 3:30 PM See you there.  Check out all of the JCP @ JavaOne events.

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• Need old version Firefox Java plugin

  - by Bryan

  I need to use Java 1.6.0_20 for the software I'm running. I went to the Oracle website and downloaded jre1.6.0_20 and installed it on my computer, but can't seem to get Firefox to load Java. If I download directly from http://www.java.com/en/download/manual.jsp, the plugin works fine but is the wrong version, and I can't find on www.java.com anywhere to download any of the previous versions. According to the help (can't post link because of spam prevention), I need to go into the Java Control Panel and enable it for Mozilla. I've done this multiple times, but every time I go in to the control panel and check the box, click Apply and Save, as soon as I go back in the box is unchecked. Does anyone know either why the box is unchecked, or where I can download the old JRE that also is configured for Firefox?

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• Toshiba Laptop Problem - Black Screen on Startup [using Win Vista]

  - by BubblySue

  Hi guys, can anyone help me on my problem? I only see black screen after the startup.. It just shows the logo and the status bar upon start, then it goes black screen with moveable cursor. I tried alt+ctrl+del, but it doesn't work. I pressed shift 5 times and it makes a sound. I already removed battery and restarted it, but still the same. I can go to safe mode and scanned thru there. Still, desktop won't show up. Don't know what else to check? Been searching the net for solutions. Please help? :(

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• Toshiba Laptop Problem - Black Screen on Startup [using Win Vista]

  - by BubblySue

  Hi guys, can anyone help me on my problem? I only see black screen after the startup.. It just shows the logo and the status bar upon start, then it goes black screen with moveable cursor. I tried alt+ctrl+del, but it doesn't work. I pressed shift 5 times and it makes a sound. I already removed battery and restarted it, but still the same. I can go to safe mode and scanned thru there. Still, desktop won't show up. Don't know what else to check? Been searching the net for solutions. Please help? :(

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• CMD: Append to path without duplicating it?

  - by Horst Walter

  For one CMD session I can easily set a new path: SET PATH=%PATH%;"insert custom path here" Doing so in a batch file does not consider whether the custom path is already included. How do I avoid duplicating it (i.e. check whether it is already contained in the PATH "string"). Remarks: Related: How do I append user-defined environment variables to the system variable PATH in Windows 7? Related: How can I permanently append an entry into the system's PATH variable, via command line? Same question for UNIX: Add directory to $PATH if it's not already there

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• For an ORM supporting data validation, should constraints be enforced in the database as well?

  - by Ramnique Singh

  I have always applied constraints at the database level in addition to my (ActiveRecord) models. But I've been wondering if this is really required? A little background I recently had to unit test a basic automated timestamp generation method for a model. Normally, the test would create an instance of the model and save it without validation. But there are other required fields that aren't nullable at the in the table definition, meaning I cant save the instance even if I skip the ActiveRecord validation. So I'm thinking if I should remove such constraints from the db itself, and let the ORM handle them? Possible advantages if I skip constraints in db, imo - Can modify a validation rule in the model, without having to migrate the database. Can skip validation in testing. Possible disadvantage? If its possible that ORM validation fails or is bypassed, howsoever, the database does not check for constraints. What do you think? EDIT In this case, I'm using the Yii Framework, which generates the model from the database, hence database rules are generated also (though I could always write them post-generation myself too).

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• Macbook Pro 2.2ghz 2011 (OSX 10.6.7) problem with NTFS 3G

  - by James

  I installed NTFS 3G but now get the following error message when I try to plug in my external drive. I also get it on startup about my Windows partition. Uninstall/ reinstall does not work. NTFS-3G could not mount /dev/disk1s1at /volumes/freeagent GoFlex Drive because the following error occured: /library/filesystems/fuse.fs/support/fusefs.kext failed to load- (libkern/kext) link error; check the system/ kernel logs for errors or try kextutil(8). The MacFUSE file system is not available (71) Any help would be great. I'd hope to avoid reinstalling OS X if possible!

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• LSB Script: how do i know if something goes wrong?

  - by ianaz

  How do I know if a LSB script fails to load or where do I check the log of the lsbs scripts? I added two scripts with the following command: update-rc.d scriptname defaults And just one launches the things I need. It does not seem to be a script error since if I launch it with /etc/init.d/scriptname it works. This is my script: #!/bin/bash ### BEGIN INIT INFO # Provides: nodes # Required-Start: $remote_fs $syslog # Required-Stop: $remote_fs $syslog # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: Starts all node apps # Description: Starts all node apps like AAM, AMT,... ### END INIT INFO echo "Launch Node applications with forever" export PATH=/usr/local/bin:$PATH # Starts the redis server redis-server # Starts AAM forever -o /var/log/AAM.log -e /var/log/AAM.log --spinSleepTime 2000 -m 5 start /var/nodejs/AAM/app.js

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• How to test Laptop NIC's throughput using a router and PC - without be bounded?

  - by 0x90

  My setup includes: Cisco router An i-7 PC running windows A laptop with high speed wifi nic, which I want to check its throughput. I would like to run an FTP server on the PC. hook the router over cables to the PC. I would like to have the PC create its own subnet accessible via the cisco router that would be hooked directly to the PC's nic. From the laptop I want to connect via wifi to the PC's wireless router and connect to the ftp server on the PC. is it possible? how do i connect the router to the PC nic and make it broadcast a subnet via wifi for my laptop to connect to? how do i configure an FTP server to operate only on this subnet?

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• Cannot add Windows 7 client to SBS 2008

  - by Sandokan

  I have just installed SBS 2008 R2 Standard on VMware Workstation 9 along with Windows 7 Pro N. Both are activated and running fine. I have followed the steps to configure SBS 2008 and am now at the point where I'm to add a computer to the domain. Here is where the problem begins. I have gone through the steps of using the webinterface. On the client I downloaded Launcher.exe. I then run it and get the error "Check computer requirements - Failed" (translated from swedish): "This computer doesn't reach the requirements for connecting to the network." "The computer doesn't reach the maximum requirements for the operating system with regards to connect to the network" The provided link for More information only leads to a general supportpage and doesn't handle this specific error. I have also checked the time settings and they are correct. Any clue as to what this problem could be?

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