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  • Store profile image of all users into single directory or per subdirectory id?

    - by Luccas
    I'm using amazon s3 as storage for users profile pic. I see that many websites generates large random filenames and put them into the same root directory like: http://xxx.us-east-1.amazonaws.com/aHR0cHM6Ly9mYmNkbi1wcm9maWxlLWEuYWthbWFpaGQubmV0L2hwcm9maWxlLWFrLWFzaDIvMjczMzkxXzEwMDAwMDMxMjAxMzg5OV81NTk3MjM4Mzdfbi5qcGc.jpg And my question is: What are the pros and cons of that approach? If I palce them into different directories, what problems I will have in future? http://xxx.us-east-1.amazonaws.com/users/id/username.jpg or http://xxx.us-east-1.amazonaws.com/users/id/random_number.jpg Thanks!

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  • simple and reliable centralized logging inside Amazon VPC

    - by Nakedible
    I need to set up centralized logging for a set of servers (10-20) in an Amazon VPC. The logging should be as to not lose any log messages in case any single server goes offline - or in the case that an entire availability zone goes offline. It should also tolerate packet loss and other normal network conditions without losing or duplicating messages. It should store the messages durably, at the minimum on two different EBS volumes in two availability zones, but S3 is a good place as well. It should also be realtime so that the messages arrive within seconds of their generation to two different availability zones. I also need to sync logfiles not generated via syslog, so a syslog-only centralized logging solution would not fulfill all the needs, although I guess that limitation could be worked around. I have already reviewed a few solutions, and I will list them here: Flume to Flume to S3: I could set up two logservers as Flume hosts which would store log messages either locally or in S3, and configure all the servers with Flume to send all messages to both servers, using the end-to-end reliability options. That way the loss of a single server shouldn't cause lost messages and all messages would arrive in two availability zones in realtime. However, there would need to be some way to join the logs of the two servers, deduplicating all the messages delivered to both. This could be done by adding a unique id on the sending side to each message and then write some manual deduplication runs on the logfiles. I haven't found an easy solution to the duplication problem. Logstash to Logstash to ElasticSearch: I could install Logstash on the servers and have them deliver to a central server via AMQP, with the durability options turned on. However, for this to work I would need to use some of the clustering capable AMQP implementations, or fan out the deliver just as in the Flume case. AMQP seems to be a yet another moving part with several implementations and no real guidance on what works best this sort of setup. And I'm not entirely convinced that I could get actual end-to-end durability from logstash to elasticsearch, assuming crashing servers in between. The fan-out solutions run in to the deduplication problem again. The best solution that would seem to handle all the cases, would be Beetle, which seems to provide high availability and deduplication via a redis store. However, I haven't seen any guidance on how to set this up with Logstash and Redis is one more moving part again for something that shouldn't be terribly difficult. Logstash to ElasticSearch: I could run Logstash on all the servers, have all the filtering and processing rules in the servers themselves and just have them log directly to a removet ElasticSearch server. I think this should bring me reliable logging and I can use the ElasticSearch clustering features to share the database transparently. However, I am not sure if the setup actually survives Logstash restarts and intermittent network problems without duplicating messages in a failover case or similar. But this approach sounds pretty promising. rsync: I could just rsync all the relevant log files to two different servers. The reliability aspect should be perfect here, as the files should be identical to the source files after a sync is done. However, doing an rsync several times per second doesn't sound fun. Also, I need the logs to be untamperable after they have been sent, so the rsyncs would need to be in append-only mode. And log rotations mess things up unless I'm careful. rsyslog with RELP: I could set up rsyslog to send messages to two remote hosts via RELP and have a local queue to store the messages. There is the deduplication problem again, and RELP itself might also duplicate some messages. However, this would only handle the things that log via syslog. None of these solutions seem terribly good, and they have many unknowns still, so I am asking for more information here from people who have set up centralized reliable logging as to what are the best tools to achieve that goal.

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  • How to measure the conversion rate of your Amazon affiliate program?

    - by user359650
    I plan on selling products through the Amazon affiliate program. What I know I can track is: -what products people view on my website (default Google Analytics pageview behaviour). -what affiliate links people click on my website (with GA _trackEvent). What am I missing is: -what products people end up buying after clicking on the affiliate links. Does the Amazon affiliate program offers you any mechanism for linking a purchase with some data from your website? I noticed that I was able to add custom parameters and values to my affiliate links and the link checker was still happy with them, if Amazon gave the links that initiated an order then I would be able to cross reference the orders using custom parameters...

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  • What are some potential issues in blocking all incoming requests from the Amazon cloud?

    - by ElHaix
    Recently I, along with the rest of the world, have seen a significant increase in what appears to be scraping from Amazon AWS-related sources. So simply put, I blocked all incoming requests from the Amazon cloud for our hosted application. I know that some good services/bots are now hosted on the cloud, and I'm wondering if certain IP addresses should be allowed, as they may gather data that would in the end benefit our site's SEO rankings? -- UPDATE -- I added a feature to block requests from the following hosts: Amazon Softlayer ServerDeals GigAvenue Since then, I have seen my network traffic decrease (monitored by network out bytes). Average operation is around 10,000,000 bytes. You can see where last week I was not blocking, then started blocking. I've since removed the blocks and will see what the outcome is.

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  • Rails based S3 file manager

    - by Jim Jones
    Hi, I'm looking for an open source project that provides a file manager type interface to S3. The ability to view files and "folders", add/edit/delete files/folders, etc. I've seen http://s3fm.com, but I'd like to host something like that myself. Does anything like this exist? Thanks.

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  • Rails Deployment: moving static files to S3

    - by Joseph Silvashy
    Someone posted something similar but it didn't really solve the problem. I want to move all my static files (images, javascript, css) to an Amazon S3 bucket when I deploy my app, as well as rewrite those paths in my app, is there a simple way to accomplish this? or am I in for a huge amount of work here?

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  • Google App Engine + AWS S3 file protection!

    - by grep
    Hi all, I have an application running on GAE/J that streams video from AWS S3. I need a solution for protecting the video from being stolen and I found that pre-signed URLs might be it (??). How can I create pre-signed URLs from GAE/J or there's a better solution to secure the videos? thanks

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  • Setting up Ubuntu Server on Amazon EC2 for hosting multiple domains with wildcard subdomains

    - by Ashish Kumar
    I'm trying to set up multiple domains on my Amazon EC2 micro instance running Ubuntu Server 12.04. I installed Apache correctly and set up virtual hosts but having problems with wildcard subdomains. This is what my httpd.conf file looks like NameVirtualHost *:80 <VirtualHost *:80> UseCanonicalName Off VirtualDocumentRoot /home/username/domains/%0/html/ </VirtualHost> My DNS records (on Amazon Route 53) are: domain.tld A 1.2.3.4 *.domain.tld A 1.2.3.4 If i create a test.domain.tld directory with the html subdirectory, it works fine. But what I want to do is to redirect *.domain.tld to domain.tld in case there is no directory for the sub-domain accessed. I would also like www.domain.tld to redirect to domain.tld. The system should also work if I decide to host another website, example.com, on the server. I tried Googling a lot but without any luck. Suggestions?

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  • Amazon RDS Pros/Cons of Multiple DBs per instance

    - by Joe Flowers
    I run two completely independent websites. I am moving their MySQL databases to Amazon RDS. I'm not going to do Multi A/Z deployment - let's remove that variable from this question. I'm not sure whether to create a single RDS instance with two databases, or two Amazon RDS instances with a single database. Ignore cost for the sake of this question. I will not hit the 1 TB data limit so let's ignore that. However, it is extremely important that crashing one of the websites doesn't impact the other. Based on this document - http://docs.amazonwebservices.com/AmazonRDS/latest/UserGuide/Concepts.DBInstance.html I'm assuming that if I write terrible code that crashes one of the databases in a given RDS instance, it could possibly take down the entire RDS instance (and thus inadvertantly affect the other database). Is that correct? Thanks

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  • How to configure Apache on Amazon Elastic Beanstalk

    - by Ian
    My PHP5.3 application is currently running on a Windows 2003 server running XAMPP 1.7.7 I've decided it will be better if I can get it moved onto the cloud, and Amazon Elastic Beanstalk looks like the easiest way to go. I'm starting with a 64bit Amazon Linux running PHP 5.3 container. My next step is to limit access to the website with an htpasswd file. I'd rather not use .htaccess files. How do I configure Beanstalk Apache conf file settings (on Windows the settings are stored in httpd.conf)?

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  • Windows 2008 Server in Amazon EC2 stops responding when SSTP/VPN connection is closed

    - by user38349
    All, I have a single Windows 2008 server running in Amazon's EC2 cloud. It's running a web application that is running fine and is accessible to the outside world. I need 3-5 developers to be able to work on database on the server, and was intending to accomplish this by setting up SSTP/RRAS on the server and letting them VPN in. This has been a bit of an ordeal due to the amount of server roles and messing with certificates that has been needed, but my VPN connection works now (all clients will be Windows 7). My problem is that when I drop my VPN connection (from the client side) the server hangs. The only way that I've found to get it back is to reboot it from the Amazon management console. Thanks for any guidance. Duncan

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  • Windows 2008 Server in Amazon EC2 stops responding when SSTP/VPN connection is closed

    - by user38349
    All, I have a single Windows 2008 server running in Amazon's EC2 cloud. It's running a web application that is running fine and is accessible to the outside world. I need 3-5 developers to be able to work on database on the server, and was intending to accomplish this by setting up SSTP/RRAS on the server and letting them VPN in. This has been a bit of an ordeal due to the amount of server roles and messing with certificates that has been needed, but my VPN connection works now (all clients will be Windows 7). My problem is that when I use my VPN connection (from the client side) the server hangs - although not at any any consistent place, sometimes it's when I close the connection, some times when I'm making the connection). The only way that I've found to get it back is to reboot it from the Amazon management console. Thanks for any guidance. Duncan

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  • Amazon SES domain verification TXT DNS record

    - by Skittles
    I currently am trying to get my domain verified on Amazon's SES and running int a problem that google searches are not helping me get any closer to solving. According to SES, I have to create a TXT record in my DNS for the domain I'm trying to verify. Amazon gives you the following (value changed for security purposes); TYPE: TXT NAME: _amazonses.somedomain.com VALUE: M2sXTycXkgZXXuMuWI8TczngaPIDDMToPefzGhZ3uYA= I have tried numerous entries in my registrar's DNS manager, but SES still fails to find what it's looking for. I am not a DNS guru, so, I have tried to construct the TXT record from very sparse examples, at best, to try to get this right. My present TXT record is this; "v=DKIM1 s=_domainkey d=_amazonses.somedomain.com p=M2sXTycXkgZXXuMuWI8TczngaPIDDMToPefzGhZ3uYA=" Am I doing something incorrect? Thanks

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  • Backup Dropbox to Amazon Glacier

    - by joekr
    i'm using Dropbox for Backup which means i keep all my files in my Dropbox folder (encrypted using encfs but that should not be relevant). I like this solution because it is automatic and keeps copies of my files on several machines at different locations. The only thing i could see go wrong is that Dropbox has some sort of bug that tells all my machines to delete the files. So currently i do a Backup of the Dropbox folder to an external Harddrive. With Amazon Glacier it seems affordable to automate Backup snapshots of my Dropbox. What i am looking for is a tool that will do this for me - the base case scenario would be that files would go from Dropbox (using their API) directly to Amazon as uploading the ~80GB from my home connection would take forever... Thanks!

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  • ASP.NET MVC multi-instance session management on amazon ec2

    - by gandil
    I have a web application written in asp.net mvc2. Currently hosted on amazon cloud ec2. Because of growing traffic we want move multi instance enviorenment. I have a custom session class which currently initiate at session start (global asax) and i am using via getter or setter class in application. Because of multi instance chore i have to handle hole security architecture. I am looking a better way to handle this problem. I am looking for good implementation of session and how to apply on amazon ec2 multi instance environment. What is road blocks for system architecture?

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  • Amazon EC2- many micro-instances vs single small/medium instance

    - by shashankaholic
    I have a chat application using stack of Openfire, Tomcat6 and MySQL. Currently, i have installed all these servers on single Linux micro-instance(613 MB memory). Even in low user base 10-20 i am encountering CPU overload which is quite obvious here. As, i am new to Amazon EC2 can somebody suggest me how to scale up my architecture according to traffic use? should i use separate micro instances for every app server(openfire,mysql,tomcat6) should i use single small or medium instance for whole server stack. Some factors in context: high reliance on MYSQL high memory usage due to file transfer web-application interacting with other Amazon service like S3,SES

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  • Amazon EC2- micro-instance vs single small/medium instance

    - by shashankaholic
    I have a chat application using stack of Openfire, Tomcat6 and MySQL. Currently, i have installed all these servers on single Linux micro-instance(613 MB memory). Even in low user base 10-20 i am encountering CPU overload which is quite obvious here. As, i am new to Amazon EC2 can somebody suggest me how to scale up my architecture according to traffic use? should i use separate micro instances for every app server(openfire,mysql,tomcat6) should i use single small or medium instance for whole server stack. Some factors in context: high reliance on MYSQL high memory usage due to file transfer web-application interacting with other Amazon service like S3,SES

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  • Root access amazon ec2

    - by mazzzzz
    Hey guys, I am very new to linux, and amazon-ec2. I wanted to put a quick server. For some reason, when I sign in with my key pair, it prompts me for a username, I input ec2-user, and I'm in. The problem is that I don't have root access (and can't find the root password). I need to install screen to run the server in the background, and also create a new user, that doesn't have root, to run the server. Neither of which I can do without root.. Any help? Edit: I am using Basic 32-bit Amazon Linux AMI 2010.11.1 Beta as the 'AMI'. Thanks, Max

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  • Creating user accounts in Amazon EC2

    - by Tvanover
    I am putting together a test environment using Amazon's EC2 for me and some friends to collaborate on a project. I am not a server guy but I do know my way around a bash prompt and have done some work on ubuntu before. I am using Amazon Linux AMI i386 EBS and have gotten apache and php running. Now I need to create the user accounts my friends and I will use to upload files (sftp) and work on the project (ssh). How should I go about this? Should I just use adduser and configure it like normal? Or should I use the AWS IAM groups?

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  • Amazon and bandwidth limits

    - by Dave
    This question may sound weird to some of you but I have never really used cloud and above all I'm still beginner in the web development and would be really thankful if someone could answer few of my question though they may sound weird So I would like to deploy simple website to Amazon, however, I'm concerned about bandwidth as they charge 0.12GB and I'm not able to set budget limit. My problem is that I wouldn't like to pay for 1000GB of bandwidth if someone for some reason decides to download one file constantly So could some of you, who have experience with amazon, tell what happens if my app is able to handle (say 50 req/sec 30kb/page) does that mean that in the worst case I would have to pay req * sec * min * hours * days * page size 50 * 60 * 60 * 24 * 30 * 30kb = 3888GB

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