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  • Display Song Lyrics in Windows Media Player with Lyrics Plugin

    - by DigitalGeekery
    Looking for a way to display song lyrics in Windows Media Player? Today we look at a very simple method to accomplish this with Lyrics Plugin for Windows Media Player. Download and run the Lyrics Plugin install. (See download link below) When the installation is finished you’ll be prompted to run Windows Media Player. Click Yes. Begin playing your song or playlist then switch to Now Playing mode.   You should now see the full song lyrics of the currently playing track. To toggle the lyrics on and off, select Tools from the Menu in Library view, choose Plug-ins, and click Lyrics Plugin. If you don’t see the Menu bar, you can enable it by going to Organize, Layout, and Show Menu Bar. When Lyrics Plugin is turned off, Windows Media Player will switch back to it’s default visualization.   Whether you just want to know the lyrics or you’d like to hone your karaoke chops, Lyrics Plugin makes a nice addition to Windows Media Player 12. Download Lyrics Plugin for Windows Media Player 12. Similar Articles Productive Geek Tips Install and Use the VLC Media Player on Ubuntu LinuxInstalling Windows Media Player Plugin for FirefoxFixing When Windows Media Player Library Won’t Let You Add FilesQuickly Preview Songs in Windows Media Player 12 in Windows 7Foobar2000 is a Fully Customizable Music Player TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 Microsoft’s “How Do I ?” Videos Home Networks – How do they look like & the problems they cause Check Your IMAP Mail Offline In Thunderbird Follow Finder Finds You Twitter Users To Follow Combine MP3 Files Easily QuicklyCode Provides Cheatsheets & Other Programming Stuff

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  • High mysql server load, sar output

    - by eric
    I have a MySQL Server that should be performing better than it seems to be. We're running ubuntu on a Amazon Cluster Compute (cc1.4xlarge) Linux ip-10-0-1-60 3.2.0-25-virtual #40-Ubuntu SMP Wed May 23 22:20:17 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux Distributor ID: Ubuntu Description: Ubuntu 12.04 LTS Release: 12.04 Codename: precise I have several output files from sar that i'm not really sure how to interpret. For example, I ran: # Individual block device I/O activities sar -d 1 180 > logs/block_device_io.log & which gave me what looks like really high utilisation of my disk (turns out this block device maps to /dev/xvdh on /var/lib/mysql type ext4 (rw,_netdev) The output from my log: 10:48:59 PM DEV tps rd_sec/s wr_sec/s avgrq-sz avgqu-sz await svctm %util 10:49:00 PM dev202-16 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:49:00 PM dev202-32 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:49:00 PM dev8-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:49:00 PM dev202-112 1008.00 31040.00 1416.00 32.20 1.02 1.01 0.89 90.00 10:49:00 PM dev202-80 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Am I wrong in thinking this is a problem? I have it above 90% almost the entire time we're seeing slowness. Or does this just mean MySQL is doing what it's supposed to do?

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  • Why is uploading to S3 so slow?

    - by Tom Marthenal
    I am using s3cmd to upload to S3: # s3cmd put 1gb.bin s3://my-bucket/1gb.bin 1gb.bin -> s3://my-bucket/1gb.bin [1 of 1] 366706688 of 1073741824 34% in 371s 963.22 kB/s I am uploading from Linode, which has an outgoing bandwidth cap of 50 Mb/s according to support (roughly 6 MB/s). Why am I getting such slow upload speeds to S3, and how can I improve them? Update: Uploading the same file via SCP to an m1.medium EC2 instance (SCP from my Linode to the instance's EBS drive) gives about 44 Mb/s according to iftop (any compression done by the cipher is not a factor). Traceroute: Here's a traceroute to the server it's uploading to (according to tcpdump). # traceroute s3-1-w.amazonaws.com. traceroute to s3-1-w.amazonaws.com. (72.21.194.32), 30 hops max, 60 byte packets 1 207.99.1.13 (207.99.1.13) 0.635 ms 0.743 ms 0.723 ms 2 207.99.53.41 (207.99.53.41) 0.683 ms 0.865 ms 0.915 ms 3 vlan801.tbr1.mmu.nac.net (209.123.10.9) 0.397 ms 0.541 ms 0.527 ms 4 0.e1-1.tbr1.tl9.nac.net (209.123.10.102) 1.400 ms 1.481 ms 1.508 ms 5 0.gi-0-0-0.pr1.tl9.nac.net (209.123.11.62) 1.602 ms 1.677 ms 1.699 ms 6 equinix02-iad2.amazon.com (206.223.115.35) 9.393 ms 8.925 ms 8.900 ms 7 72.21.220.41 (72.21.220.41) 32.610 ms 9.812 ms 9.789 ms 8 72.21.222.141 (72.21.222.141) 9.519 ms 9.439 ms 9.443 ms 9 72.21.218.3 (72.21.218.3) 10.245 ms 10.202 ms 10.154 ms 10 * * * 11 * * * 12 * * * 13 * * * 14 * * * 15 * * * 16 * * * 17 * * * 18 * * * 19 * * * 20 * * * 21 * * * 22 * * * 23 * * * 24 * * * 25 * * * 26 * * * 27 * * * 28 * * * 29 * * * 30 * * * The latency looks reasonable, at least until the server stopped responding to ping requests.

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  • Switching Timezones in Perl's Template::Toolkit plugin Template::Plugin::Date

    - by aidan
    I have a calendar on my website, generated in Perl using Template::Toolkit and Template::Plugin::Date. It highlights the current day. I achieve this by iterating through all the dates (as I print the calendar) and comparing against the current date. Something like this: [% IF cur_date == date.format(format = '%Y-%m-%d') %] ... [% END %] It all works well until someone in Australia looks at it. (They are in a different timezone to me and my server in the UK). What's the best way to get Template::Plugin::Date to use a different time zone? It accepts a 'locale' parameter, but AFAIK this is only used for formatting.

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  • Openfire on EC2 with Jingle

    - by Bjorn Roche
    I would like to run Openfire (or another XMPP server) on EC2. At the moment this is just for testing, so easy setup and configuration are important, as is low cost. At some point, however, if things go well, it will be important to scale this. Ideally, it would be nice to not have to switch software when the scaling happens, but if a switch needs to happen later it certainly can. My requirements are: basic XMPP services, including muc and pubsub. Logins controlled from an external API. Preferably, when a user attempts to connect, the XMPP server checks with the api to see if their username and password are correct, but I can also have the API keep the XMPP server up to date on new users, deleted users, pasword changes and so on. I see Openfire has a "user service" API. Not ideal, but it looks workable. Jingle, including relay and STUN. It's not at all clear to me if the Jingle Nodes plugin takes care of this. I'm a bit confused about what's required to set this up, and I'd rather know in advance than be confused along the way :). eg It seems like STUN servers require more than one IP address. Can Openfire do all this for me, including stun and media relay on a single machine? Is this hard to configure on EC2 with Openfire? What are the basic steps? Would this be easier with something else like, say Tigase? What about database? Should I use amazon's database service, or run a db on the same machine? Would the server be compatible with a service like http://www.siteuptime.com/ Thanks!

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  • Copying files from a Rails plugin into the application upon plugin install

    - by Lou Z.
    When someone installs this plugin, I would like a file to be copied into the config/initializers directory of the app. I could do this in install.rb by copying a template file that resides somewhere in the plugin. Another option would be to require the user to run a generator after install. I know rspec-rails makes you run a generator after you install it, is that the recommended behavior? And is there anything wrong with copying files into the application in install.rb? Thanks! Lou

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  • How do I configured postfix and to use SES, and still be able to forward email from unverified external addresses?

    - by Jeff
    We are using postfix for email group lists (eg "[email protected]" will go to all members) from Amazon EC2 systems. For a variety of reasons (scalability and reliability) we would like to use SES for all outgoing emails. I was able to configure postfix to use SES as the SMTP for outgoing emails. This works fine for all verified emails. But of course, when an outsider emails me at "[email protected]", it chokes. Postfix is configured to forward to my gmail account (via the virtual table), the SES rejects it because the outside user is not verified. So none of our mailing groups configured through postfix will work this way. I would be happy to rewrite all "From" addresses before sending (and simply leave the Reply To as the original sender), but I cannot seem to find a working configuration. No matter what I set in canonical or generic regexps, SES seems to reject all forwarded emails. Surely somebody must have configured postfix with SES to handle virtual addresses? How does this work?

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  • CDN Rerouting on 404 (file not yet in synch with original storage)

    - by Alan Ristic
    Here is the problem. I've setup my app(on EC2) to store uploaded images directly on Amazon S3. I'd like to be able to serve static files(cdn) from my 'home' server so I wrote script that does sync from S3. But there is a window of (at least) one minute in synch. Now I see two solutions on the problem of pics not been available on 'home' server here: 1.I write script on EC2 (where the app resides) to fetch from DB pics that have status of "not-yet-synch", which is default state when user uploads picture. The script then does a ping to picture and if it gets OK response, updates DB from "not-yet-synch" to "synch". 2.Prefered solution would be to let apache (in this case) redirect request for an image if it sees 404 (e.g. doesent find image requested) to S3. This way I wouldn't need script from solution 1. So what approach do you suggest I take in solving this redundancy problem? Or what is practice in production environments? To further clarify; I'd like so serve images first from 'home' server, if that fails serve them from S3. Tnx, Alan

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  • Cloudfront - How to invalidate objects in a distribution that was transformed from secured to public?

    - by Gil
    The setting I have an Amazon Cloudfront distribution that was originally set as secured. Objects in this distribution required a URL signing. For example, a valid URL used to be of the following format: https://d1stsppuecoabc.cloudfront.net/images/TheImage.jpg?Expires=1413119282&Signature=NLLRTVVmzyTEzhm-ugpRymi~nM2v97vxoZV5K9sCd4d7~PhgWINoTUVBElkWehIWqLMIAq0S2HWU9ak5XIwNN9B57mwWlsuOleB~XBN1A-5kzwLr7pSM5UzGn4zn6GRiH-qb2zEoE2Fz9MnD9Zc5nMoh2XXwawMvWG7EYInK1m~X9LXfDvNaOO5iY7xY4HyIS-Q~xYHWUnt0TgcHJ8cE9xrSiwP1qX3B8lEUtMkvVbyLw__&Key-Pair-Id=APKAI7F5R77FFNFWGABC The distribution points to an S3 bucket that also used to be secured (it only allowed access through the cloudfront). What happened At some point, the URL singing expired and would return a 403. Since we no longer need to keep the same security level, I recently changed the setting of the cloudfront distribution and of the S3 bucket it is pointing to, both to be public. I then tried to invalidate objects in this distribution. Invalidation did not throw any errors, however the invalidation did not seem to succeed. Requests to the same cloudfront URL (with or without the query string) still return 403. The response header looks like: HTTP/1.1 403 Forbidden Server: CloudFront Date: Mon, 18 Aug 2014 15:16:08 GMT Content-Type: text/xml Content-Length: 110 Connection: keep-alive X-Cache: Error from cloudfront Via: 1.1 3abf650c7bf73e47515000bddf3f04a0.cloudfront.net (CloudFront) X-Amz-Cf-Id: j1CszSXz0DO-IxFvHWyqkDSdO462LwkfLY0muRDrULU7zT_W4HuZ2B== Things I tried I tried to set another cloudfront distribution that points to the same S3 as origin server. Requests to the same object in the new distribution were successful. The question Did anyone encounter the same situation where a cloudfront URL that returns 403 cannot be invalidated? Is there any reason why wouldn't the object get invalidated? Thanks for your help!

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  • AWS VPC ELB vs. Custom Load Balancing

    - by CP510
    So I'm wondering if this is a good idea. I have a Amazon AWS VPC setup with a public and private subnets. So I all ready get the Internet Gateway and NAT. I was going to setup all my web servers (Apache2 isntances) and DB servers in the private subnet and use a Load Balancer/Reverse Proxy to pick up requests and send them into the private subnets cluster of servers. My question then, is Amazons ELB's a good use for these, or is it better to setup my own custom instance to handle the public requests and run them through the NAT using nginx or pound? I like the second option just for the sake of having a instance I can log into and check. As well as taking advantage of caching and fail2ban ddos prevention, as well as possibly using fail safes to redirect traffic. But I have no experience with their ELB's, so I thought I'd ask your opinions. Also, if you guys have an opinion on this as well, would using the second option allow me to only have 1 public IP address and be able to route SSH connections through port numbers to respective instances? Thanks in advance!

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  • Amazon java.lang.VerifyError Android

    - by easycheese
    I have been trying to submit 2 separate apps into the Amazon App store but they keep being rejected. Here is the stack trace for the first: 11-05 11:14:36.488 E/AndroidRuntime(28128): FATAL EXCEPTION: AsyncTask #1 11-05 11:14:36.488 E/AndroidRuntime(28128): java.lang.RuntimeException: An error occured while executing doInBackground() 11-05 11:14:36.488 E/AndroidRuntime(28128): at android.os.AsyncTask$3.done(AsyncTask.java:200) 11-05 11:14:36.488 E/AndroidRuntime(28128): at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:273) 11-05 11:14:36.488 E/AndroidRuntime(28128): at java.util.concurrent.FutureTask.setException(FutureTask.java:124) 11-05 11:14:36.488 E/AndroidRuntime(28128): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:307) 11-05 11:14:36.488 E/AndroidRuntime(28128): at java.util.concurrent.FutureTask.run(FutureTask.java:137) 11-05 11:14:36.488 E/AndroidRuntime(28128): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1068) 11-05 11:14:36.488 E/AndroidRuntime(28128): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:561) 11-05 11:14:36.488 E/AndroidRuntime(28128): at java.lang.Thread.run(Thread.java:1096) 11-05 11:14:36.488 E/AndroidRuntime(28128): Caused by: java.lang.VerifyError: com.companionfree.WLThemeViewer.AmazonClientManager 11-05 11:14:36.488 E/AndroidRuntime(28128): at com.companionfree.WLThemeViewer.UpdateDBs.doInBackground(UpdateDBs.java) 11-05 11:14:36.488 E/AndroidRuntime(28128): at com.companionfree.WLThemeViewer.UpdateDBs.doInBackground(UpdateDBs.java) 11-05 11:14:36.488 E/AndroidRuntime(28128): at android.os.AsyncTask$2.call(AsyncTask.java:185) 11-05 11:14:36.488 E/AndroidRuntime(28128): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305) 11-05 11:14:36.488 E/AndroidRuntime(28128): ... 4 more And the relevant logcat for the second 10-12 15:41:48.929 D/dalvikvm( 2451): GC_FOR_MALLOC freed 8099 objects / 524416 bytes in 34ms 10-12 15:41:49.327 I/RPC ( 1563): rx thread timeout (1 clients): 10-12 15:41:49.828 I/RPC ( 1563): rx thread timeout (1 clients): 10-12 15:41:50.089 I/ActivityManager( 1563): Starting activity: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.companionfree.pushup/.MainScreen } 10-12 15:41:50.099 D/SurfaceFlinger( 1563): Layer::setBuffers(this=0xeafa50), pid=1563, w=1, h=1 10-12 15:41:50.099 D/SurfaceFlinger( 1563): Layer::setBuffers(this=0xeafa50), pid=1563, w=1, h=1 10-12 15:41:50.139 D/SurfaceFlinger( 1563): Layer::requestBuffer(this=0xeafa50), index=0, pid=1563, w=480, h=800 success 10-12 15:41:50.189 I/ActivityManager( 1563): Start proc com.companionfree.pushup for activity com.companionfree.pushup/.MainScreen: pid=2644 uid=10129 gids={1015, 3003} 10-12 15:41:50.319 I/RPC ( 1563): rx thread timeout (1 clients): 10-12 15:41:50.359 W/dalvikvm( 2644): VFY: Lcom/companionfree/pushup/WorkoutDbAdapter; is not instance of Landroid/app/Activity; 10-12 15:41:50.369 W/dalvikvm( 2644): VFY: bad arg 0 (into Landroid/app/Activity;) 10-12 15:41:50.369 W/dalvikvm( 2644): VFY: rejecting call to Lcom/amazon/android/Kiwi;.onActivityResult (Landroid/app/Activity;IILandroid/content/Intent;)Z 10-12 15:41:50.369 W/dalvikvm( 2644): VFY: rejecting opcode 0x71 at 0x0000 10-12 15:41:50.369 W/dalvikvm( 2644): VFY: rejected Lcom/companionfree/pushup/WorkoutDbAdapter;.onActivityResult (IILandroid/content/Intent;)V 10-12 15:41:50.369 W/dalvikvm( 2644): Verifier rejected class Lcom/companionfree/pushup/WorkoutDbAdapter; 10-12 15:41:50.369 D/AndroidRuntime( 2644): Shutting down VM 10-12 15:41:50.369 W/dalvikvm( 2644): threadid=1: thread exiting with uncaught exception (group=0x40025a70) 10-12 15:41:50.369 E/AndroidRuntime( 2644): FATAL EXCEPTION: main 10-12 15:41:50.369 E/AndroidRuntime( 2644): java.lang.VerifyError: com.companionfree.pushup.WorkoutDbAdapter 10-12 15:41:50.369 E/AndroidRuntime( 2644): at com.companionfree.pushup.MainScreen.onCreateMainScreen(MainScreen.java) 10-12 15:41:50.369 E/AndroidRuntime( 2644): at com.companionfree.pushup.MainScreen.onCreate(MainScreen.java) 10-12 15:41:50.369 E/AndroidRuntime( 2644): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1088) 10-12 15:41:50.369 E/AndroidRuntime( 2644): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2802) 10-12 15:41:50.369 E/AndroidRuntime( 2644): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2859) 10-12 15:41:50.369 E/AndroidRuntime( 2644): at android.app.ActivityThread.access$2300(ActivityThread.java:136) 10-12 15:41:50.369 E/AndroidRuntime( 2644): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2179) 10-12 15:41:50.369 E/AndroidRuntime( 2644): at android.os.Handler.dispatchMessage(Handler.java:99) 10-12 15:41:50.369 E/AndroidRuntime( 2644): at android.os.Looper.loop(Looper.java:143) 10-12 15:41:50.369 E/AndroidRuntime( 2644): at android.app.ActivityThread.main(ActivityThread.java:5073) 10-12 15:41:50.369 E/AndroidRuntime( 2644): at java.lang.reflect.Method.invokeNative(Native Method) 10-12 15:41:50.369 E/AndroidRuntime( 2644): at java.lang.reflect.Method.invoke(Method.java:521) 10-12 15:41:50.369 E/AndroidRuntime( 2644): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858) 10-12 15:41:50.369 E/AndroidRuntime( 2644): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 10-12 15:41:50.369 E/AndroidRuntime( 2644): at dalvik.system.NativeStart.main(Native Method) 10-12 15:41:50.379 W/ActivityManager( 1563): Force finishing activity com.companionfree.pushup/.MainScreen 10-12 15:41:50.399 D/SurfaceFlinger( 1563): Layer::setBuffers(this=0xeff6b8), pid=1563, w=1, h=1 10-12 15:41:50.399 D/SurfaceFlinger( 1563): Layer::setBuffers(this=0xeff6b8), pid=1563, w=1, h=1 10-12 15:41:50.419 D/SurfaceFlinger( 1563): Layer::requestBuffer(this=0xeff6b8), index=0, pid=1563, w=480, h=337 success 10-12 15:41:50.469 D/dalvikvm( 2451): GC_FOR_MALLOC freed 7889 objects / 521072 bytes in 105ms 10-12 15:41:50.819 I/RPC ( 1563): rx thread timeout (1 clients): I see the same verify error on both but I can't figure it out. The only common library used between the 2 apps is the FlurryAgent.jar for analytics. For the top app I have For the bottom app I have in the manifests. The only information I have been able to find out is about libraries (GSON) and needing to use dx but I am using Eclipse so that doesn't help. To make this more difficult, the error does NOT occur on the Android Market. Yet the testers at Amazon say that it FC 5/5 times on each of their devices (I tried using an emulator for their test devices and they worked fine). I know they use "wrapper" code around my app and I think it must be interfering in some way. Does anyone have any experience with this?

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  • Setup a Reverse Proxy with Nginx and Apache on EC2

    - by heavymark
    Good Day, I am currently using the free Amazon EC2 micro instance to learn Linux and server setup. I wish to setup Nginx as a reverse web proxy. I found a great article on mediatemple on how to do it: http://wiki.mediatemple.net/w/Using_Nginx_as_a_Reverse_Web_Proxy The directions work for most any server except for EC2.One difference between EC2 and MediaTemple is how IPs work. Overall EC2 instances do not know their elastic IP. So when following the wiki directions in the virtual hosts for instance instead of myip:80 for instance I put *:80. When just using Apache this works perfectly. In the apache virtual hosts I did "127.0.0.1:80" and in the Nginx I put *:80. Apache restarts, by Nginx provides an error that it cannot bind because the ip is already in use. If I could add an actual IP in the Nginx file it would work but since EC2 requires me to put in the asterisk it ends up conflicting with the apache virtual hosts entry. Anyone know a simple way around this (other than not using EC2) ;-) Thank you! Cheers, Christopher

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  • Monitoring AWS Systems Behind ElasticBeanStalk

    - by A. Avadis
    So I'm getting a company set up in the Amazon Cloud -- creating IAAS protocol/solutions/standardized implementation, etc while also being the SysAdmin for individual systems, app environments, and day-to-day uptime. One of the biggest issues I'm having is tracking various system/application logs, as well as logging/monitoring/archiving system metrics like memory usage, cpu usage, etc etc In a centralized fashion. E.g. -- Nagios + Urchin. The BIGGEST impediment to my endeavors is the following: The company application is deployed in the form of a Java *.WAR file, uploaded to an Elastic BeanStalk application environment, load balancing and auto-scaling between 3(min) and 10(max) servers, and the EC2's that run the application are fired up and disposed of ad-hoc. That is to say, I can't monitor the individual EC2's for very long because so many are being terminated then auto-provisioned/auto-scaled on the fly -- so I'd constantly be having to "monitor what I'm monitoring", and continuously remove/add EC2 machine addresses to my monitoring lists. IS there some sort of way to use monitoring tools like Zabbix or Nagios to monitor the ElasticBeanStalk, and have it automatically add on new EC2's, and remove terminated/failed EC2's from its monitoring list automatically? Furthermore, is there anything I can do with GrayLog to achieve similar results with the aggregation/centralization of my application logs from multiple EC2 instances into ONE consolidated set of logs/events? If not GrayLog, is there ANYTHING LIKE GrayLog that can automatically detect what EC2 members are being added/removed from the environment, and collect the logs from them automatically? Any and all advice or direction is appreciated. Thanks much, and cheers!!

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  • How to make the ec2 ami work on the Xen on Debian

    - by user67103
    Hi. Here is the scenario. We are creating a cloud App. We have a Debian on which we create a customized image and upload it to the Amazon EC2. After uploading it to the cloud we have made some more customizations and are trying to rebundle it. We are facing some issues in rebundling it. We would like to know if we could do something like this. a. Create an AMI Image on Debian b. Load it on to the Xen Hypervisor which would be over the Debian c. Customize the image d. Save the customized image e. Upload it to EC2. The issue is that I am unable to find a proper solution on how to install Xen on Debian and will the AMI on Xen work on EC2. Any suggestions/Help would be greatly appreciated. thanks. Krishna

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  • SQL queries break our game! (Back-end server is at capacity)

    - by TimH
    We have a Facebook game that stores all persistent data in a MySQL database that is running on a large Amazon RDS instance. One of our tables is 2GB in size. If I run any queries on that table that take more than a couple of seconds, any SQL actions performed by our game will fail with the error: HTTP/1.1 503 Service Unavailable: Back-end server is at capacity This obviously brings down our game! I've monitored CPU usage on the RDS instance during these periods, and though it does spike, it doesn't go much over 50%. Previously we were on a smaller instance size and it did hit 100%, so I'd hoped just throwing more CPU capacity at the problem would solve it. I now think it's an issue with the number of open connections. However, I've only been working with SQL for 8 months or so, so I'm no expert on MySQL configuration. Is there perhaps some configuration setting I can change to prevent these queries from overloading the server, or should I just not be running them whilst our game is up? I'm using MySQL Workbench to run the queries. Here's an example.... SELECT * FROM BlueBoxEngineDB.Transfer WHERE Amount = 1000 AND FromUserId = 4 AND Status='Complete'; As you can see, it's not overly complex. There are only 5 columns in the table. Any help would be very much appreciated - Thanks!

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  • Amazon Linux AMI release 2010.11.1 corresponds to which RHEL version (4/5/6)?

    - by Jayesh
    I am using the default Amazon Linux AMI in an EC2 instance - Amazon Linux AMI release 2010.11.1. I can see that it's a Redhat based system, but after trying many tools (/etc/issues, uname -a, lsb_release), I cannot tell which version of RHEL or CentOS is it based on. I need to get some packages that are not available in Amazon's package repos. I have list of custom yum repos that I can use, but since I don't know which RHEL version is the Amazon AMI based on, I cannot choose from different versions of repos. How can I find whether it's running RHEL 4/5/6 (or their CentOS counterparts)?

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  • Thoughts on GoGrid vs EC2

    - by Jason
    I am currently hosting my SaaS application at GoGrid (Microsoft stack). Here's what I have: Database Server - physical box, 12 GB RAM, 2 X Quad Core CPU (2.13 GHz Xeon E5506) 2 Web / App servers - cloud servers, 2 GB RAM, 2 VCPUs 300 GB monthly bandwidth I am paying around $900 / month for this. My web / app servers are busting at the seams and need to be upgraded to 4 GB of RAM. I also need a firewall, and GoGrid just added this service for an additional $200. After the upgrade, I will be paying around $1,400. I started looking at Amazon EC2, specifically this config: Database server - "High Memory Double Extra Large Instance" - 34 GB RAM, 13 EC2 compute units 2 Web / App servers - "Large Instance" - 7.5 GB RAM, 4 EC2 compute units If I go with 1 year reserved instances, my upfront cost would be $4,500 and my monthly would be $700. This comes to $1,075 / month when amortized. Amazon also includes a firewall for free. Here are my questions: Do any of you have experience running a database (especially SQL Server) on an EC2 instance? How did it perform compared to a dedicated machine? One of my major concerns is with disk I/O. Amazon's description of a compute unit is fairly vague. Any ideas on how the CPU performance on the database servers would compare? I am hoping that the Amazon solution will provide significantly better performance than my current or even improved GoGrid setup. Having a virtual database server would also be nice in terms of availability. Right now I would be in serious trouble if I had any hardware issues. Thanks for any insight...

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  • Java Plugin a huge security risk? How to preseve Java plugin from privilege escalation?

    - by Johannes Weiß
    Installing a regular Java plugin is IMHO a real security risk for non-IT people. Normally Java applets run in a sandbox and the applet cannot do anything harmful to your computer. If an applet, however, needs to do something like read-only accessing your filesystem e.g. uploading an image, you have to give it more privileges. Usually that's ok but I think not everyone knows that you give the applet the same privileges to your computer as your user has! And that's everything Java asks you: That looks as 'harmful' as a self-signed SSL certificate on a random page where no sensitive data is exchanged. The user will click on Run! You can try that at home using JyConsole, that's Jython (Python on Java)! Simply type in python code, e.g. import os os.system('cat /etc/passwd') or worse DON'T TYPE IN THAT CODE ON YOUR COMPUTER!!! import os os.system('rm -rf ~') ... Does anyone know how you can disable the possibily of privilege escalation? And by the way, does anyone know why SUN displays only a dialog as harmless as the one shown above (the self-signed-SSL-certificate-dialog from Firefox 3 and above is much clearer here!)? Live sample from my computer:

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  • Alternative to Amazon’s S3 service?

    - by Cory
    Just wondering if there is good alternative to Amazon's S3 service? I like S3 but the bandwidth cost is high. I looked at CouldFiles from Rackspace but the cost is even higher. I don't mind prepaying or having monthly payment in order to reduce the bandwidth cost greatly. Thank you for any help

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  • activemq-maven-plugin ignore files in classpath?

    - by Oscar Chan
    I have been trying to get activemq-maven-plugin to run activemq with configuration in classpath of the bundle. However, I don't have much luck. It seems that the activemq-maven-plugin just ignore resources (resources/main/conf/activemq.properties) the local bundle. I checked the jar and target/classes and they are built into the right local. I am able to get plugin to run (mvn activemq:run) if I take out the PropertyPlaceholderConfigurer bean in the activemq.xml Did I do anything wrong? Here is the output [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Failed to start ActiveMQ Broker Embedded error: Could not load properties; nested exception is java.io.FileNotFoundException: class path resource [conf/activemq.properties] cannot be opened because it does not exist [INFO] ------------------------------------------------------------------------ [INFO] For more information, run Maven with the -e switch [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2 seconds [INFO] Finished at: Mon May 03 15:56:05 PDT 2010 [INFO] Final Memory: 11M/79M [INFO] ------------------------------------------------------------------------ Here is the pom.xml, which I specific the plugin to look up activemq.xml via file, that works. However, in the activemq.xml <?xml version="1.0"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>oc.test</groupId> <artifactId>mq</artifactId> <version>0.1</version> <name>mq</name> <url>http://maven.apache.org</url> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.activemq.tooling</groupId> <artifactId>maven-activemq-plugin</artifactId> <version>5.3.1</version> <configuration> <configUri>xbean:file:src/main/resources/conf/activemq.xml</configUri> <fork>false</fork> <systemProperties> <property> <name>javax.net.ssl.keyStorePassword</name> <value>password</value> </property> <property> <name>org.apache.activemq.default.directory.prefix</name> <value>./target/</value> </property> </systemProperties> </configuration> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring</artifactId> <version>2.5.5</version> </dependency> </dependencies> </plugin> </plugins> </build> </project> Here is the src/main/resources/conf/activemq.xml <?xml version="1.0"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:amq="http://activemq.apache.org/schema/core" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd "> <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations"> <value>classpath:conf/activemq.properties</value> </property> <property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE"/> </bean> <broker xmlns="http://activemq.apache.org/schema/core" brokerName="localhost" dataDirectory="./data"> <!-- The transport connectors ActiveMQ will listen to --> <transportConnectors> <transportConnector name="openwire" uri="tcp://localhost:61616"/> </transportConnectors> </broker> </beans> Here is the src/main/resources/conf/activemq.properties activemq.port=61616

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  • install ejabberd on amazon

    - by cometta
    Hi, I app-get and success install ejabberd on amazon , mounted esb drive as /dev/sda , but then, i terminated the image and fire any new 'same image', attached my esb drive , all my previous installation was lost. anyway to persist my installation or files i added to the os?

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  • ISBN Search from google/amazon/isbndb

    - by parminder
    Hi Experts, I working on a website(ASP.NET C#) where I need to search for an item according to the ISBN. I am reading from Amazon webservice, google books api, isbndb etc. What is the best option, I should choose. At present my requirment is just to query the given ISBN. Help will be appretiated. Regards Parminder

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