H is for Hosted Zone
#Amazon #Route53 is Amazons Domain Name System which routes users to Internet applications by translating names like example.com into IP addresses
Learn more about hosting a static website with @mariordev
J is for Job Flow
#Amazon #EMR provides a scalable framework so you can run Spark and Hadoop processes over an S3 data lake. Once the job completes, the EMR cluster is terminated.
Learn more with @julsimon
L is for Lifecycle
A lifecycle is a set of rules that allows you to transition #S3 objects through the storage classes as they move from “hot” to “cold”
Learn more in this practical example with @veermanhas
M is for Messages
#Amazon #SNS allows applications to send time-critical messages through a “push” mechanism, eliminating the need to periodically check or “poll” for updates
Learn more about how it all fits together with @FRosnerd
N is for NAT Gateway
A NAT gateway enables instances in a private subnet to connect to the internet but prevents the internet from initiating connections with the instances.
Learn more about networking and VPCs with @grahamlyons
O is for On Demand Instance
There are four ways to pay for #Amazon #EC2
Spot Instances - 90% off On-Demand
Reserved Instances - 75% off On-Demand
Learn more with @liquid_chickens
P is for Persistent storage
#Amazon #EBS is a persistent storage device that can be attached to a single EC2 instance for storage.
Q is for Query
#Amazon #RDS makes it easy to provision a managed relational database instance in the cloud. For cases when a NoSQL database is more appropriate #AWS offers #DynamoDB
Learn more about DynamoDB with @mushketyk
R is for Read replica
Read replication can be part of your disaster recovery plan. You can promote a read replica if the source database instance fails.
Learn more with @li_chastina
S is for Scaling
Auto Scaling launches and terminates #Amazon #EC2 instances automatically according to user-defined policies, schedules, and alarms.
Learn more with this overview from @LianaMelissa12
T is for Tagging
Using tags in your metadata helps to identify who is using each resource and gain control over costs.
Learn more about what you should consider when trying to manage costs with @PowerDownCloud
U is for Unit
Metrics represent a set of data points published to #AWS #CloudWatch to monitor over time.
Learn how to put this into practice with @alex_barashkov
V is for Virtual Private Cloud
A #VPC is a virtual data center is a logically isolated section of #AWS made of Internet Gateways/Virtual Private Gateways, route tables, network access control lists, subnets, and security groups.
W is for WAF
#AWS #WAF protects web applications from attacks, like specific user-agents, bad bots, or content scrapers, by filtering traffic based on rules that you create.
X is for X.509 certificate
Use x.509 certificates in #AWS Certificate Manager to identify users, computers, applications, services, servers, and other devices internally.
Learn how this works with @baensele
Y is for Yobibyte
OK, I cheated here, but this is a really interesting post from @codeanalogies that puts it all together.
Z is for Zones
There are multiple data centres or Availability Zones(AZs) in a Region so if there is a problem in one AZ another can pick up the slack.
Learn why you should take this into consideration with @FRosnerd
If you enjoyed this thread and would like to read it as a blog post check it out on my blog: helenanderson.co.nz/aws-a-z/