I'm using Amazon EC2 services and would like to publish my WCF application to this server using the visual studio 2008. Instead of opening so many ports on the amazon firewall, I'll use the ftp ACTIVE mode which will need to open only two ports (20,21). Alas, visual studio 2008 is determine to use only PASSIVE ftp connection, why?! ...
Has anybody compared SimpleDB and Tokyo Cabinet for performance and scalability? I'm coding my project against SimpleDB at the moment and considering benchmarking TC, be nice if somebody had already done it and could tell me whether it's worth testing my specific storage and searching operations. If not I'll run some direct comparisons a...
I am using the standard fedora AMI with the LAMP stack bundled and I want to upload files onto the server from my Windows desktop. What is the "normal" approach for this? I am not a UNIX admin by any stretch, although I am more than comfortable with FTP and the basics of a BASH shell. As far as I can see there is no FTP server install...
What is the difference between Windows Azure and Amazon Elastic Compute Cloud? Should I go with Azure or EC2? ...
I want to be able to run an EC2 instance (CentOS LAMP based) as a mail server and create email addresses for users when they sign up so that they can upload files via email. The emails would be parsed and attached files processed and added to S3 for storage. Is this feasible? What mail package would I need for this? I would like to ...
When using external developers to help with EC2/S3 administration and development tasks what would be the normal protocol for sharing account information? I'm a little reluctant to give the Amazon account password away. If the developer has the access id and secret key, would he need a password? Also, what are the possible pitfalls of gi...
Amazon just announced "Spot Instances" for their EC2 based infrastructure. I was wondering what sort of workloads would be appropriate for such service? Spot Instances enable you to bid for unused Amazon EC2 capacity. Instances are charged the Spot Price set by Amazon EC2, which fluctuates periodically depending on the supply...
Hi, I have setup an amazon EC2 intance using the command line tools. I have create a key pair for it etc. and it is up and running. I try to SSH into it using the following (I am running bash in Snow Leopard): $ ssh -i ec2-keypair [email protected] Snow Leopard pops up a box saying "Enter you password for ...
I am planning to deploy my web app to EC2. I have several webserver instances. I have 1 primary database instance. I have 1 failover database instance. I need a strategy to redirect the webservers to the failover database instance IP when the primary database instance fails. I was hoping I could use an Elastic IP in my connection st...
I have set up an Amazon EC2 instance and am able to SSH into it. Can anyone please tell me how I could allow additional users to SSH into this instance from a different location? Max. ...
EDIT: rephrasing the question Say you have two tasks. The first one determines a host name dynamically, and wants to invoke the second class only on that host. task :first_task do host_name = ... second_task, :hosts => hostname end task :second_task do run "some stuff" end As far as I can tell passing in :hosts doesn't work....
Hello - I have set up several EC2 instances and intend to give multiple users access to them via SSH. Is there any file on the server that monitors who logs in and when? Any help greatly appreciated. Max. ...
I want to remove as much complexity as I can from administering Python in on Amazon EC2 following some truly awful experiences with hosting providers who claim support for Python. I am looking for some guidance on which AMI to choose so that I have a stable and easily managed environment which already included Python and ideally an Apac...
How can I evaluate the capacity of Amazon EC2 Amis for my different templates; A) Webserver (Apache/PHP) - pages/sec. B) Database (MySql) - connections/sec. C) App Server (Tomcat) - pages/sec. I was hoping there was some kind of baseline tool that I can use to evaluate the many choices available on EC2 without using my System Under Deve...
Consider a web app in which a call to the app consists of php script running several MySQL queries, some of them memcached. The PHP does not do very complex job. it is mainly serving the mysql data with some formatting. In the past it used to be recommended to put mysql and the app engine (PHP/Apache) on seperate boxes. However, whe...
Hello, buddies! I'm currently studying WebLogic's integration capabilities, to develop a system that ensures high performance, availability and scalability; fail-over and crash recovery and 24/7 availability on a WebLogic integration scenario. I've been exploring some concepts and evaluating potential solutions to the problem I want to...
I am writing a script using boto and Python to automatically launch an Amazon EC2 instance and interact with it using SSH. Everything works fine except that every time I establish the connection, SSH prompts me to confirm the authenticity of the host like this: The authenticity of host 'ec2-174-129-121-25.compute-1.amazonaws.com (174.12...
Hey all so I am working on a project and I won't get into the details but it will be programmed/designed by me and will allow customers to sign up for their own instance of it where they will be able to customize it. Think of it as something along the lines of phpbb where they are a bunch of them being hosted by me that clients will pay...
On an app server in which a few source files change frequently, Is the following approach recommended? Use a cron job with S3tools to sync the source files with S3 private bucket (every 15 mins for example). On server start up - Use user data script to sync with the sources bucket to retrieve the latest sources. Advantages: 1. No nee...
I'm currently spec'ing out a solution running on EC2. Setting up web servers, utilizing S3, Cloud Front, Cloud Watch, etc have been straightforward enough. Using Elastic Load Balancers for HA cross Availability Zone for our web servers has also been straightforward. I would really like to have cross Region Availability in addition to cr...