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  • Justification of Amazon EC2 Performance

    - by Adroidist
    I have a .jar file that represents a server which receives over TCP an image in bytes (of size at most 500 kb) and writes it file. It then sobels this image and sends it over TCP socket to the client side. I ran it on my laptop and it was very fast. But when I put it on Amazon EC2 server m1.large instance, i found out it is very slow - around 10 times slower. It might be the inefficiency in the code algorithm but in fact my code is nothing but receive image (like any byte file) run the sobel algorithm and send. I have the following questions: 1- Is it normal performance of Amazon EC2 server- I have read the following links link1 and link2 2- Even if the code is not that efficient, the server is finally handling a very low load (just one client), does the "inefficient" code justify such performance? 3- My laptop is dual core only...Why would the amazon ec2 server have worse performance that my laptop? How is this explained? Excuse me for my ignorance.

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  • amazon web services and sql server support

    - by user25011
    Hi All, I have built my application using sql server 2008 and .net framework 3.5 I am looking for a sclable hosting service and have come to think of amazon web services. Does amazon also support hosting of sql server 2008 databases? What hosting services do you advise Thank you.

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  • Setup Domain with Amazon EC2

    - by saturngod
    I have domain from name.com and I want to add in Amazon EC2 server. I got Public DNS ec2-xxx-xx-x-xxx.compute-1.amazonaws.com Can I add A-Record in this DNS ? When I add Elastic IPs , I can't use ssh and public DNS. So, how to connect domain to Amazon EC2 ?

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  • Amazon EC2 and Named Virtual Hosts

    - by user71718
    I am running ubuntu apache2 on an Amazon EC2 instance running behind an Amazon ELB (load balancer) I am trying to get multiple domain running pointing to different virtual hosts. The problem is I cannot get virtual hosts working with name - I can only get it working with I am trying to get www.domain1.com and www.domain2.com working When I setup my virtual hosts to it doesnt work Any ideas please??

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  • "tshark: There are no interfaces on which a capture can be done" in Amazon Linux AMI

    - by user1264304
    My goal is to capture packets with tshark in Amazon Linux AMI. While typing tshark in the command line there's an error: "tshark: There are no interfaces on which a capture can be done" How to implement the solution from Wireshark setup Linux for nonroot user $ sudo apt-get install wireshark $ sudo dpkg-reconfigure wireshark-common $ sudo usermod -a -G wireshark $USER $ gnome-session-quit --logout --no-prompt in Amazon Linux AMI (it's not Ubuntu)? Thanks.

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  • How does Amazon EC2 operating system licensing work?

    - by JP
    Hello, I'm new to the cloud and EC2 and am wondering how licensing of operating systems works. Specifically, i spent some time looking at amazon machine images (ami's) and some contain windows and sql server. My question is how does the licensing work: a) Do I install my own licenses once the boxes are available? b) Are these licenses covered by my Amazon bill c) what are any costs associated with this software? Thank in advance, JP

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  • Test Amazon Ec2 instance Small

    - by user102130
    I have some questions about amazon ec2 and especially on small instance. I want to host my new website (the beta version) on this kind of instance, but before i want to know about how many simultaneous users can be connected on one small instance. You can see the caracteristics of a small one here : http://aws.amazon.com/ec2/instance-types/ My website is a kind of social network in PHP. Is someone had already test this type of instance ?

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  • What's your opinion in Amazon S3 ?

    - by Space Cracker
    i searching for best online file storage and i found a lot with different features ... i feel that Amazon S3 is the best ... Could any who try such a service give me his opinion on it and if is there any others that are most valuable Amazon S3 ?

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  • Amazon S3 not sending Content-Type header

    - by Luke____
    I have an application that downloads content from various sources. It relies on the "Content-Type" header being set on images. The majority of web-servers do this correctly but it appears Amazon S3 server is not setting the Content-Type. I assume Amazon servers are configured correctly so what could be the problem? Are these images not uploaded correctly? Or should I not be relying on content type being set? Example Thanks

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  • Amazon EC2, still cant ping or "http" it

    - by DarkFire21
    I am new at Amazon Cloud technologies. I ve set up an Amazon Linux instance created my keys and assigned elastic IP. Also, I opened all TCP, UDP, ICMP ports(ok, it's very dangerous, but I am using it for test purposes). I ve also installed Apache server and enabled it. But still cant ping or access my instance via IP. Any ideas? EDIT: Please see a screenshot of the security groups settings. All ports are open... Check this out

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  • IPSec Tunnel to Amazon EC2 - Netkey, NAT, and routing problem

    - by Ernest Mueller
    Hey all, I'm working on getting an IPSec VPN working between Amazon EC2 and my on-premise. The goal is to be able to safely administer stuff, up/download data, etc. over that tunnel. I have gotten the tunnel up in openswan between a Fedora 12 instance with an elastic IP and a Cisco router that's also NATted. I think the ipsec part is OK, but I'm having trouble figuring out how to route traffic that way; there's no "ipsec0" virutal interface because on Amazon you have to use netkey and not KLIPS for the vpn. I hear iptables may be required and I'm an iptables noob. On the left (Amazon), I have a 10. network. Box 1 is privately 10.254.110.A, publically IP 184.73.168.B. Netkey tunnel is up. Box 2 is publically 130.164.26.C, privately 130.164.0.D And my .conf is: conn ni type= tunnel authby= secret left= 10.254.110.A leftid= 184.73.168.B leftnexthop= %defaultroute leftsubnet= 10.254.0.0/32 right= 130.164.26.C rightid= 130.164.0.D rightnexthop= %defaultroute rightsubnet= 130.164.0.0/18 keyexchange= ike pfs= no auto= start keyingtries= 3 disablearrivalcheck=no ikelifetime= 240m auth= esp compress= no keylife= 60m forceencaps= yes esp= 3des-md5 I added a route to box 1 (130.164.0.0/18 via 10.254.110.A dev eth0) but that doesn't do it for predictable reasons, when I traceroute the traffic's still going "around" and not through the vpn. Routing table: 10.254.110.0/23 dev eth0 proto kernel scope link src 10.254.110.A 130.164.0.0/18 via 10.254.110.178 dev eth0 src 10.254.110.A 169.254.0.0/16 dev eth0 scope link metric 1002 Anyone know how to do the routing with a netkey ipsec tunnel where both sides are NATted? Thanks...

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  • A-2-Z web hosting on Amazon AWS

    - by JDelage
    All, I am studying web dvp, and one of my classes is project-based. We have to build a functional site that demonstrate our understanding of: HTML, CSS, Javascript, php, MySQL, And potentially Ajax or some other web component. For the project, we can use a local server using WampServer and basically build the site entirely on our laptop. If I have time, I would like to create a real site, and I thought it would be a good way to familiarize myself with Amazon's AWS services. So if I purchase a domain name, can I rely on AWS to host the site from A-to-Z? I understand I can use AWS to host content, the database, and do the background computations, if needed. What else do I need and what are the parts that AWS cannot help me with? Second, is there good documentation for a beginner to navigate AWS and learn how to use it (either on Amazon, or some 3rd party sites, or even a good book, as long as is up to date). The ideal documentation would be a tutorial on creating a web site from a-to-z on AWS, as detailed as possible. As you can guess, I have limited understanding of the IT issues. I have 0 Linux or sysadmin experience, but this is a good opportunity to change that. I hope you can help me. Thank you, JDelage PS: Please keep the answers AWS-specific. At this point, I am only interested in alternative services to the extent that they plug a hole in Amazon's offering.

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  • IPSec Tunnel to Amazon EC2 - Netkey, NAT, and routing issue

    - by Ernest Mueller
    I'm working on getting an IPSec VPN working between Amazon EC2 and my on-premise. The goal is to be able to safely administer stuff, up/download data, etc. over that tunnel. I have gotten the tunnel up in openswan between a Fedora 12 instance with an elastic IP and a Cisco router that's also NATted. I think the ipsec part is OK, but I'm having trouble figuring out how to route traffic that way; there's no "ipsec0" virutal interface because on Amazon you have to use netkey and not KLIPS for the vpn. I hear iptables may be required and I'm an iptables noob. On the left (Amazon), I have a 10. network. Box 1 is privately 10.254.110.A, publically IP 184.73.168.B. Netkey tunnel is up. Box 2 is publically 130.164.26.C, privately 130.164.0.D And my .conf is: conn ni type= tunnel authby= secret left= 10.254.110.A leftid= 184.73.168.B leftnexthop= %defaultroute leftsubnet= 10.254.0.0/32 right= 130.164.26.C rightid= 130.164.0.D rightnexthop= %defaultroute rightsubnet= 130.164.0.0/18 keyexchange= ike pfs= no auto= start keyingtries= 3 disablearrivalcheck=no ikelifetime= 240m auth= esp compress= no keylife= 60m forceencaps= yes esp= 3des-md5 I added a route to box 1 (130.164.0.0/18 via 10.254.110.A dev eth0) but that doesn't do it for predictable reasons, when I traceroute the traffic's still going "around" and not through the vpn. Routing table: 10.254.110.0/23 dev eth0 proto kernel scope link src 10.254.110.A 130.164.0.0/18 via 10.254.110.178 dev eth0 src 10.254.110.A 169.254.0.0/16 dev eth0 scope link metric 1002 Anyone know how to do the routing with a netkey ipsec tunnel where both sides are NATted? Thanks...

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  • Using AWS or Azure, what to do about emails?

    - by Paul
    I'm coming from a background of paying a hosting company X amount per month for a server. This server comes with IIS, WebsitePanel and Smartermail all bundled together. When I create a new domain using WebsitePanel it automatically creates my email account. All I then need to do is configure my DNS to point to the server. I've decided that it is more cost efficient to move to AWS / Azure. Has anyone come from a similar background and moved onto a cloud system? I'd be interested to know what you did regarding emails. So far, these are the suggestions I've seen: Use Google Apps for each domain Use something like Elastic Email to sent out emails Launch a new instance and host an email server on that The first option seems like quite a lot of manual configuration, the second one works good with outgoing emails but what about receiving? Option 3 would make it less cost effective. What is your experience?

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  • Can I host multiple sites with one Amazon EC2 instance [duplicate]

    - by user22
    This question already has an answer here: Can you help me with my capacity planning? 2 answers I currently have VPS server and I pay around $75 per month and I get: 40GB HD 2Gb RAM 100GB BW 6 core cpu (but i dont use much) I have only one live website running and traffic is only max 100 user visit per day. I mostly do the my testing stuff and some of my inter sites for playing with coding. But I do need one server. I am thinking of moving to Amazon EC2 if the price diff is not so much because then I can learn some more stuff. I am thinking of getting the 3 years Heavy utilization Reserved instance because my server will be running all day and night. I tried their online caluclator with Medium Instance Heavy reserved for 3 years for EC2 it comes $31 per month(effective price) and for EBS and S3 , I think even if thats it $40 for all other stuff. I will be at no loss for what I am getting at present. Am i correct or I missed something?? Now In my current VPS I have Apache for PHP sites and MOD wsgi for python sites. I am not sure if I will be able to do all that stuff in Amazon EC2. Can I host python and PHP sites both in Amazon EC2 instance using Named Virtual Hosts and Ngnix

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  • How can I deploy my .NET app to Amazon EC2?

    - by Khash
    I have a .NET Windows service and a .NET Web Application that I would like to deploy to my Amazon EC2 Windows 2008 instances. At this point, all I need to do is to copy the zipped files across to the EC2 box and remote desktop to the EC2 instance and finish the deployment. In order to do this, I have tried LogMeIn Hamachi2 to create a P2P VPN and use RoboCopy to copy the files, however it seems Hamachi doesn't work on Windows EC2. What is your solution for deploying your .NET apps to Windows EC2 instances? I want to avoid running an FTP server on the box just to get my files up on the server and don't have a VPN server (like OpenVPN) running to run a cloud based VPN solution. Perhaps I can find a simple way of using Amazon S3 as a strategy? Any ideas? Suggestions?

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  • ItemSearch totally different from Amazon.com search - What am I doing wrong?

    - by RadiantHex
    I'm using ItemSearch in order to get a list of books ordered by 'salesrank' aka 'bestselling', problem is that the books that pop up for any BrowseNode are totally different from the Amazon list. Test Case Author:"J R R Tolkien", SearchIndex:"Books", Sort:"salesrank" Using the API: J.R.R. Tolkien Boxed Set (The Hobbit and The Lord of the Rings) The Hobbit: 70th Anniversary Edition The Lord of the Rings: 50th Anniversary, One Vol. Edition The Legend of Sigurd and Gudrun The Silmarillion The Lord of the Rings The Children of Hurin The Fellowship of the Ring: Being the First Part of The Lord of the Rings The Return of the King: Being the Third Part of The Lord of the Rings Using Amazon.com Adv. Search: The Lord of the Rings (Trilogy) The Hobbit J.R.R. Tolkien Boxed Set (The Hobbit and The Lord of the Rings) The Legend of Sigurd and Gudrun The Lord of the Rings: 50th Anniversary, One Vol. Edition The Silmarillion The Fellowship of the Ring The Children of Hurin Lord of the Rings, The Return of the King, The (Vol 3) Help would very much appreciated

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  • Amazon Upgrades FreeTime; More Content for the Kid-Friendly Walled Garden

    - by Jason Fitzpatrick
    Earlier this year Amazon introduced FreeTime, a walled garden area intended to provide a kids-only app gallery on the Kindle Fire. It was up to parents to populate the content but now, with the recent update, Amazon brings together unlimited books, movies, games, and apps. Intended for children ages 3-8 the upgraded service eschews the you-pick-it-all approach and goes with a hand-curated collection of games, educational apps, books and more. In addition to the pile of hand-curated content, FreeTime also has built in time limits and individual profiles for different children. Every Kindle Fire, Kindle Fire HD, and Kindle Fire HD 8.9″ user can try out the service for thirty days without charge. After the thirty day trial the subscription price is $4.99 per month ($2.99 for Prime members). Hit up the link below to check out the full description of the service. Amazon FreeTime [Amazon] Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode HTG Explains: Does Your Android Phone Need an Antivirus?

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  • Shared to Dedicated or Amazon CloudFront to improve performances and keep secured?

    - by user978548
    I have a Wordpress which currently takes about 1.8s to 2.5s for the home page to completely load in my country. The page weight is about 700Ko (static content included). In order to increase performances, I'm considering two solutions: Switching to a dedicated host. Using amazon s3 cloudfront to serve static contents. My current shared hosting have servers in a neighboring country but not exactly in mine, and both amazon and the dedicated hosting have some, so that's already an advantage. So considering all that, I still have three questions remaining: Currently having a low traffic (100 unique visitors/days, but growing) will it make a huge difference between my shared hosting and a dedicated server ? Knowing that I already use a cookie-less domain to deliver static contents (but using a redirection to the same server), would using amazon s3 make a real difference ? Talking about the cons of dedicated vs amazon s3, if I choose for the dedicated server something like Ubuntu server and do daily package updates and have only port 80 open, would it be sufficient in terms of security (in comparison with my current shared hosting which manage everything for me) ?

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  • Does AWS resolve same-datacenter hostnames to 10.* addresses for different customer accounts?

    - by Scott Ritchie
    If I bring up two Amazon EC2 instances and run nslookup on one for the other's hostname, amazon will return a 10.* address. This is routable within amazon, and works just fine. But does this work between different accounts? If I use one of my nodes to nslookup a hostname belonging to another customer (but still in the same datacenter) will it resolve as a 10.* address or will it give the standard public IP?

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  • What happens when I delete the first of several AWS EBS snapshots?

    - by Jepper
    On http://aws.amazon.com/ebs/pricing/ it says: "EBS Snapshots [...] For the first snapshot of a volume, Amazon EBS saves a full copy of your data to Amazon S3. For each incremental snapshot, only the changed part of your Amazon EBS volume is saved." I intend to snapshot some of my instances daily and keep snapshots for 7 days after which the snapshots are destroyed. What happens when, eventually, I destroy the first snapshot? Will the subsequent snapshots be worthless given the first is no longer available?

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  • Integrating Amazon EC2 in Java via NetBeans IDE

    - by Geertjan
    Next, having looked at Amazon Associates services and Amazon S3, let's take a look at Amazon EC2, the elastic compute cloud which provides remote computing services. I started by launching an instance of Ubuntu Server 14.04 on Amazon EC2, which looks a bit like this in the on-line AWS Management Console, though I whitened out most of the details: Now that I have at least one running instance available on Amazon EC2, it makes sense to use the services that are integrated into NetBeans IDE:  I created a new application with one class, named "AmazonEC2Demo". Then I dragged the "describeInstances" service that you see above, with the mouse, into the class. Then the IDE automatically created all the other files you see below, i.e., 4 Java classes and one properties file: In the properties file, register the access ID and secret keys. These are read by the other generated Java classes. Signing and authentication are done automatically by the code that is generated, i.e., there's nothing generic you need to do and you can immediately begin working on your domain-specific code. Finally, you're now able to rewrite the code in "AmazonEC2Demo" to connect to Amazon EC2 and obtain information about your running instance: public class AmazonEC2Demo { public static void main(String[] args) { String instanceId1 = "i-something"; RestResponse result; try { result = AmazonEC2Service.describeInstances(instanceId1); System.out.println(result.getDataAsString()); } catch (IOException ex) { Logger.getLogger(AmazonEC2Demo.class.getName()).log(Level.SEVERE, null, ex); } } } From the above, you'll receive a chunk of XML with data about the running instance, it's name, status, dates, etc. In other words, you're now ready to integrate Amazon EC2 features directly into the applications you're writing, without very much work to get started. Within about 5 minutes, you're working on your business logic, rather than on the generic code that anyone needs when integrating with Amazon EC2.

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