Question: What is the difference between Amazon S3 and Amazon EC2 instance?
Amazon S3: It is just storage service where you can upload photo, video, audio, pdf etc any type of files upto 5 terabytes (5Tb).
It store data as a object, you can't install any software like MS office, VLC player, Adobe etc.
You can import/export data from/to S3 and also can access via cloudfront.
EC2 instance: Launching a EC2 instance is similar a create virtual computer (windows, linux) where you can install software unlike S3. You can customize the configuration like volume(storage), RAM, CPU etc.
Question: How to copy files from one bucket to another?
- Login to SSH using ip address and ppk file.
- Make sure, it have AWS S3 access privilege
- Now just execute following command
aws s3 sync s3://source-bucket s3://destination-bucket --exclude *.tmp
Question: Can we change the availability zone of an existing EC2 t1.micro instance?
No, you can not do.
for this, you need to launch new instance from existing instance.
Question: What is Availability Zones?
Amazon EC2 is hosted in world-wide.
These locations are composed of regions and Availability Zones.
Each region has multiple, isolated locations known as Availability Zones.
Question: How to move files directly from one S3 account to another?
Bucket Explorer works on Mac
S3 Browser works on windows.
Question: AWS Difference between a snapshot and AMI?
A snapshot is of an EBS volume where you save at a certain point of time.
An AMI is similar, but its for the EC2 instances themselves. you can create a AMI but can't do snapshot.
Question: What is the maximum length of a filename in S3?
1024 characters.
Question: How to move a domain from Godaddy to AWS Route 53? =>Login on your aws console
=>Click on Route 53
=>Create Hosted Zone
=>Select your new created host title
=>click "Go to Record Sets", take note of the nameservers;
=>Login on your Godaddy account
=>Select your domain
=>Go to Nameservers and click SetNameservers;
=>paste all the four you took from Go to Record Sets;
Question: How to transfer files between from AWS ec2 to S3
aws s3 cp myfolder s3://mybucket/myfolder --recursive
Question: How to transfer files between from S3 to EC2
aws s3 cp s3://mybucket/myfolder myfolder --recursive
Question: Question: What is private hosted zone?
A private hosted zone is a container that holds information about how you want Amazon Route 53 to respond to DNS queries for a domain
Question: What is the AWS Storage Gateway service?
The AWS Storage Gateway service enables hybrid storage between on-premises environments and the AWS Cloud.
