Clik here to view.
When Are Your SSL Certificates Expiring on AWS?
If you uploaded SSL certificates to Amazon Web Services for ELB (Elastic Load Balancing) or CloudFront (CDN), then you will want to keep an eye on the expiration dates and renew the certificates well...
View ArticleClik here to view.
AWS Lambda Walkthrough Command Line Companion
The AWS Lambda Walkthrough 2 uses AWS Lambda to automatically resize images added to one bucket, placing the resulting thumbnails in another bucket. The walkthrough documentation has a mix of aws-cli...
View ArticleClik here to view.
lambdash: AWS Lambda Shell Hack
An updated version of this hack is now available:https://alestic.com/2015/06/aws-lambda-shell-2/Please follow the simpler instructions in the above article instead of the obsolete instructions listed...
View ArticleClik here to view.
AWS Lambda: Pay The Same Price For Faster Execution
multiply the speed of compute-intensive Lambda functions without (much) increase in costGiven:AWS Lambda duration charges are proportional to the requested memory.The CPU power, network, and disk are...
View ArticleClik here to view.
S3 Bucket Notification to SQS/SNS on Object Creation
A fantastic new and oft-requested AWS feature was released during AWS re:Invent, but has gotten lost in all the hype about AWS Lambda functions being triggered when objects are added to S3 buckets. AWS...
View ArticleClik here to view.
Before You Buy Amazon EC2 (New) Reserved Instances
understand the commitment you are making to pay for the entire 1-3 yearsAmazon just announced a change in the way that Reserved Instances are sold. Instead of selling the old Reserved Instance...
View ArticleClik here to view.
Persistence Of The AWS Lambda Environment Between Function Invocations
AWS Lambda functions are run inside of an Amazon Linux environment (presumably a container of some sort). Sequential calls to the same Lambda function could hit the same or different instantiations of...
View ArticleClik here to view.
AWS Lambda Event-Driven Architecture With Amazon SNS
Today, Amazon announced that AWS Lambda functions can be subscribed to Amazon SNS topics.This means that any message posted to an SNS topic can trigger the execution of custom code you have written,...
View ArticleClik here to view.
Subscribing AWS Lambda Function To SNS Topic With aws-cli
The aws-cli documentation and command line help text have not been updated yet to include the syntax for subscribing an AWS Lambda function to an SNS topic, but it does work!Here’s the format:aws sns...
View ArticleClik here to view.
Alestic.com Site Redesign
The Alestic.com web site has been redesigned. The old design was going on 8 years old. The new design is:Mobile friendly (‘cause Google says so)Always secure (‘cause Google says so)Fast (‘cause Google...
View ArticleClik here to view.
Debugging AWS Lambda Invocations With An Echo Function
As I create architectures that include AWS Lambda functions, I find there are situations where I just want to know that the AWS Lambda function is getting invoked and to review the exact event data...
View ArticleClik here to view.
Schedule Recurring AWS Lambda Invocations With The Unreliable Town Clock (UTC)
public SNS Topic with a trigger event every quarter hourScheduled executions of AWS Lambda functions on an hourly/daily/etc basis is a frequently requested feature, ever since the day Amazon introduced...
View ArticleClik here to view.
Monitor an SNS Topic with AWS Lambda and Cronitor.io
get alerted when an expected event does NOT happenLast week I announced the availability of a public SNS Topic that may be used to run AWS Lambda functions on a recurring schedule. To encourage folks...
View ArticleClik here to view.
lambdash: AWS Lambda Shell Hack: New And Improved!
easier, simpler, faster, betterSeven months ago I published the lambdash AWS Lambda Shell Hack that lets you run shell commands to explore the environment in which AWS Lambda functions are executed.I...
View ArticleClik here to view.
Simple New Web Service: Testers Requested
Interested in adding scheduled job monitoring (dead man’s switch) to the existing monitoring and alerting framework you are already using (Nagios, Sensu, Zenoss, Zabbix, Monit, Pingdom, Montastic,...
View ArticleClik here to view.
TimerCheck.io - Countdown Timer Microservice Built On Amazon API Gateway and...
deceptively simple web service with super powersTimerCheck.io is a fully functional, fully scalable microservice built on the just-released Amazon API Gateway and increasingly popular AWS Lambda...
View ArticleClik here to view.
AWS SNS Outage: Effects On The Unreliable Town Clock
It took a while, but the Unreliable Town Clock finally lived up to its name. Surprisingly, the fault was not mine, but Amazon’s.For several hours tonight, a number of AWS services in us-east-1,...
View ArticleClik here to view.
Unreliable Town Clock Is Now Using AWS Lambda Scheduled Functions
Today at AWS re:Invent, Amazon has announced the ability to schedule AWS Lambda function invocations using cron syntax. Yay!I’m happy to announce that the The Unreliable Town Clock is now using this...
View ArticleClik here to view.
AWS IAM "ReadOnlyAccess" Managed Policy Is Missing Features
adding in some read-only permissions that Amazon missedAmazon has created a Managed Policy in IAM namedReadOnlyAccess, which grants read-only access to AWS resources and API calls that make no changes...
View ArticleClik here to view.
AWS IAM "ReadOnlyAccess" Managed Policy Is Too Permissive (For Us)
taking away some read-only permissions that Amazon allowsAmazon has created an IAM Managed Policy namedReadOnlyAccess, which grants read-only access to active resources on most AWS services. At Campus...
View Article
