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Ive been delving into the world of AWS and, with very little server management experience under my belt, I'm quickly getting lost!
I'm looking at creating a system that uses Route 53, Elastic Load Balancing, EC2, RDS, S3 (possibly with CloudFront as well) so I can host a user generated content website that also streams video.
So Ive been looking at the following books:
Host Your Web Site On The Cloud: Amazon Web Services Made Easy
Programming Amazon Web Services: S3, EC2, SQS, FPS, and SimpleDB
Programming Amazon EC2: Run Applications on Amazon's Infrastructure with EC2, S3, SQS, SimpleDB, and Other Services
If I had to go for one of these what would you recommend?
Most importantly are there any resources you can recommend for a newbie like myself to quickly learn and understand the nuances to AWS?
TIA
Although all of those resources are good, the best way to dive into using AWS is in my experience CloudFormation. With CloudFormation you are able to script most if not all of your AWS resources in a single json script. By writing your cloudformation scripts and looking through the documentation and sample scripts, you will start to get aquatinted with how all of the AWS toolsets work.
Most importantly are there any resources you can reconmend for a
newbie like myself to quickly learn and understand the nuances to AWS?
As mentioned above, CloudFormation
However to make sure I answer your question:
If I had to go for one of these what would you recommend?
I have read all 3 resources listed and I found Programming EC2 to be the most useful in understanding the AWS toolset
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Can somebody please recommend some sources on how best to approach refactoring a legacy AWS infrastructure? That is, how to reduce downtime, optimally migrate data stores (such as DynamoDB or S3), etc. Thanks in advance!
There are a number of approaches you can take to do this.
AWS have a lot of great resources on "migration", as an initial thought take a look at the 6 Strategies for Migrating Applications to the Cloud. Whilst you're already in the AWS Cloud it is a great time to evaluate whether you have anything you can replace or is no longer needed.
There are a number of services that assist with migration, for migrating data stores take a look at the below 2 services which might help to migrate most of your data needs:
Database Migration Service
Data Pipeline
Other services such as S3 you would need to migrate to another S3 bucket, as buckets are uniquely named. If you want to keep the name you will need to delete the origin bucket first. If it is being served publicly try using a CloudFront distribution and then switching the origin to the new S3 bucket afterwards.
For architecting your new infrastructure take a look at the AWS Well-Architected Framework.
There are a number of migration whitepapers that AWS has also produced, some are specific to particular technologies and some are more general.
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I have been going in details about all the major services of AWS like EC2, S3, VPC, Volumes, EIP, Subnets, Gateways, Route53, Auto Scaling, ELB, RDS, DynamoDb, Redshift, Kinesis, Video Transcoder etc .
But going in details about each topic from the official documentation of AWS is tough and hard to remember.
What are the patterns, guidelines, practise tests which I can follow
to clear the topics throughly.
Also do I need to purchase the Questions sets provided by many
websites, or just go with the free available ones.
There is no replacement for experience. Sit at the AWS console and spend time practicing with all the major AWS services (the ones you listed). Then take the time to read the FAQs and White Papers. For added knowledge watch the AWS videos on YouTube. Amazon has good training videos on their training website. I also recommend A Cloud Guru for training videos. Another good resource is QwikLabs.
It is possible to memorize enough to pass the exam by taking practice tests, but then your certification will be worthless to an employer. If your goal is a job, then take the time to really understand how the AWS cloud works and the services offered.
I have seven AWS certifications so I do have a real solid understanding of AWS and their exams. I also have more than 10 years actually working with AWS as part of my job.
[Update]
Time and again I see people put emphasis on taking practice tests. Don't do it. Take a practice test when you know what you are ready to take the exam. I recommend taking all the QwikLabs AWS labs. Do all of them (sometimes several times) and the above suggestions and you won't need a practice test. You will fly thru the exam.
RTFM: The AWS Documentation
The majority of AWS services revolve around Amazon EC2 and Amazon S3. Therefore, you would gain a lot by actually reading the manuals for these services:
Amazon S3 Developer Guide
Amazon EC2 User Guide for Linux InstancesorAmazon EC2 User Guide for Windows Instances
Yes, they are big. You don't have to read every word. Instead, download the PDF and look through the entire guide. Read the headings. Look at the pictures. Read the sections that grab your attention.
You'll actually learn quite a lot!
The other services are also important, but if you don't have the time do learn it all, at least read the FAQs, eg:
Amazon VPC FAQs
Amazon RDS FAQs
Amazon Redshift FAQs
Most important, however, is having actual experience using the services. The exams want to test your actual knowledge of AWS services, not how much you've crammed for the exam.
The best solution for preparing for AWS is to go through the FAQS of each topic mentioned in the official documentation.
Apart from official documentation you need to opt for some practise questions. You can try Whizlabs, Udemy , A Cloud Guru etc.
And for your final revision point to get through the topics in brief you can go for
http://jayendrapatil.com.
All the topics are covered with detailed explanations.
Preparing for AWS Solutions Architect will require you to plan before you start ahead the process.
First and foremost get the details of each topic like EC2, VPC, S3,
ELB from their official documentation and also videos available for
them as well. The details are mentioned in the [Whitepapers of AWS]1 for
CSAA exam.
After getting the details about the topic you need to go through the Practice tests from many sources available.
Please purchase the question sets rather than going through the free ones available as there's some conflicts in answers in the free version of the question sets.
When you are done the above process, now yo can purchase the official
Paper Sample from AWS.
Note: Please go through the Best Practices of each services in the current practical situations according to the requirement.
You will get more clarity of the overall services of AWS in terms of cost, availability, latency to make the infra and application durable and available.
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I am trying to develop a Spring Cloud microservices using Spring MVC and Spring boot. And I would like to deploy in AWS cloud. When I exploring the AWS I found the computing service EC2 and Storage services EBS and Elastic Beanstalk. I found that when creating EC2 getting a default EBS volume.
Here my doubt is that when I deploying my Spring Cloud microservice in Tomcat environment. I also need to create a RDS instance for my microservice, can I choose S3 as storage?
And also I need to deploy my Angular 2 application using S3 and static web site hosting method. So can I use separate buckets for both microservices and Angular application hosting?
I am new to AWS and cloud service platform.
On S3 you can save files; its more like extensible storage as a sevice.
RDS is like RDBMS as a service..
Surely you can use separate buckets ; or different folders in same buckets.
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We are getting ready to deploy a new app in the Amazon cloud, using EC2, RDS, and elastic load balancers. RDS would be sharded. Looking at the difficulties of manageing and monitoring anything beyond a few servers, one can see how quickly the task could become pretty crazy. Amazon's interfaces allow you to do all this, but we would have to script it all ourselves.
I was wondering what others have done. There is RightScale, for managed solutions. Has anyone found any other companies, or open source frame works, that do this kind of thing? Looking at:
Monitoring EC2, load balancers, RDS.
Spinning up new instances of the above automatically on predefined load levels.
Sending alerts and taking resources offline automatically when thesholds occur.
Promoting new software/upgrades in PHP and MySQL.
Taking numbers of servers offline for maintenance/troubleshooting.
Any thoughts would be much appreciated.
The type of services you are looking for - automated provisioning, scaling in/out and monitoring is generally referred as PaaS - Platform as a Service. The idea is that you submit your application to the PaaS system and it manages the complete life-cycle of your application.
There are several PaaS providers available that might fit your needs. There's a comparison available here: Looking for PaaS providers recommendations
You should consider your requirements carefully and see which provider is right for you in terms of:
Cloud Support: Do you need just EC2 or maybe additional clouds?
Language support: Some providers target specific coding frameworks and languages
Support
Pricing
Open/Closed source
Disclaimer: I work for GigaSpaces, developer of the Cloudify open-source PaaS Stack.
You could have a look at scalr. They offer this services on their own platform but you can also download the software they're using and set it up on your own.
After Amazon EC2 they started expanding into other cloud services as well, so you can run your scalr managed instances on literally all huge cloud providers.
Very feature rich, but so far I haven't tested it by myself.
You could try Xervmon. They offer integrated cloud management suite of tools to deploy, manage, monitor Amazon AWS along with several other providers. They do offer managed services as well.
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There are two major offering of cloud computing environment by Amazon through AWS and by Rackspace through Rackspace cloud. I wanted to know more about What are cons/pros of one platform over other. That will help me in deciding platform for my future applications.
Please see some of these links to better analyze & understand the difference between Amazon Cloud Server with Rackspace Cloud.
Things come into my mind:
Amazon server stack has CHOICES possibly everything, but Rackspace server stack is fixed.
Control everything on your server stack with Amazon but Rackspace - NOPE.
You can play around with various services (EBS, EIP, S3, etc) in Amazon server to suite your price, you can't with Rackspace, since you are priced for the whole stack.
In Amazon - single EBS AMI, you can have many different instance types of machine.
Difference:
http://www.distractable.net/tech/amazon-aws-ec2-vs-rackspace-high-level-comparison/
Goodby Rackspace:
http://code.mixpanel.com/amazon-vs-rackspace/
Performance Analysis:
http://www.thebitsource.com/featured-posts/rackspace-cloud-servers-versus-amazon-ec2-performance-analysis/