Template - https://github.com/sangitaccount/AWS/blob/master/cfn-templates/AWS_AutoScale_ELB_Notification.template used to create single EC2 Instance with AutoScaling behind ELB. EC2 Instance provisioned ( take a note of AMI ). Using the same Cloud Formation Template I've update the stack with new AMI I did take screenshots of instance changes ( it is keeping the old instance alive till the new instance … Continue reading AWS – Update AMI through CF Template
I am writing Cloud Formation template for web service instances with auto scaling and elastic load balancer. My plan is to place the ELB in public subnet and instances in private subnets behind the load balancer. My private subnets are fully restricted without any NAT Gateway. SSH Access is also enabled through ELB. In Cloud Formation … Continue reading AWS cfn-signal not working
We are doing SSL offloading on public facing load balancer - recently received a request to not to allow weak SSL ciphers. If you go to the Load Balancer in question - Listerners section 2. SSL version, SSL Ciphers options can be changed
I've seen instances where instance is not registering to AWS ECS cluster. Check ECS agent running - "docker ps" if not then start it. Check if "ECS_CLUSTER=<cluster_name>" defined in /etc/ecs/ecs.config Remove the file if already exists in /var/lib/ecs/data/ecs_agent_data.json and restart the ECS agent - "restart ecs".
** This page is to capture the errors related to AWS ECS. It is not the complate list but I will update as I see further** Out of Memory Before Container Start: While running the "ecs-cli compose up" hit the error INFO Couldn't run containers reason=RESOURCE:MEMORY – Check the total memory of containers and check … Continue reading AWS ECS -Errors Ref
** This post is more of the issue I've seen with the setup in one of our environments than implementation**. So here is what happened. Issue: Accessing the URL ( lets say http://www.example.com ) is going to maintenance static page running in S3 but none of the nodes are offline. As in general we have … Continue reading AWS – Hosted site under maintenance