We have a relatively large spending on AWS NAT Gateway Processed Bytes, and it became interesting to know what exactly is processed through it.
It would seem that everything is simple – just turn on VPC Flow Logs and see what’s what. But when it comes to AWS Elastic Kubernetes Service and NAT Gateways, things get a little more […]

https://rtfm.co.ua/en/aws-vpc-flow-logs-nat-gateways-and-kubernetes-pods-a-detailed-overview/

Маємо відносно великі витрати на AWS NAT Gateway Process Bytes, і стало цікаво що ж саме процеситься через нього.
Здавалося б, все просто – включи собі VPC Flow Logs, да подивись, що до чого. Але як діло […]

https://rtfm.co.ua/aws-vpc-flow-logs-nat-gateways-ta-kubernetes-pods-detalnij-obzor/

Each WorkerNode in a Kubernetes cluster can have a limited number of Pods running, and this limit is determined by three parameters:

CPU: the total number of requests.cpu cannot be more than the number of CPUs on the Node
Memory: the total number of requests.memory cannot be more than the Memory on the Node
IP: the total number of Pods cannot be […]

https://rtfm.co.ua/en/aws-vpc-prefix-and-maximum-of-pods-on-kubernetes-workernodes/

Кожна WorkerNode в Kubernetes може мати обмежену кількість подів, і цей ліміт визначається трьома параметрами:

CPU: загальна кількість requests.cpu не може бути більше, ніж є CPU на Node
Memory: загальна кількість […]

https://rtfm.co.ua/aws-vpc-prefix-ta-maksimalna-kilkist-podiv-na-kubernetes-workernodes/

Fix Elastic IP Address Could not be Associated

https://techdirectarchive.com/2023/03/26/how-to-fix-elastic-ip-address-could-not-be-associated/

#AssociateEIP, #AWSEIP, #AWSVPC, #EC2Instance, #ElasticIPAddress, #InternetGateways, #VirtualPrivateCloud