SK Enterprise Support for AWS

[EKS] Difference Between Assigned IP Addresses and Available IPs in Subnet

pt, Cze 13, 2025 o 9:32 RANO

Question  There is a difference between the number of IP addresses assigned to Pods or EC2 instances and the number of available IP addresses in the subnet.  Answer  Accordi...
[EKS] Identifying the Resource Assigned to an IP Address in a Subnet

pt, Cze 13, 2025 o 9:36 RANO

Question  I want to know which resource is using a specific IP address assigned in a subnet.  Resolution  You can identify the resource by following the steps below. [1]  ...
[ACM] Download Amazon SSL certificate

pt, Cze 13, 2025 o 9:44 RANO

Question  I need an Amazon SSL certificate for a newly added domain. Is there a way to download the Amazon SSL certificate that is currently in use on AWS or receive it separa...
[ACM] Created a Public Certificate and recorded it in Route53, but validation failed

pt, Cze 13, 2025 o 9:51 RANO

Issue  A public certificate was created and recorded in Route53, but validation failed after 72 hours.  Despite repeated attempts, the status remains in Pending.  Caus...
[Account] Changed phone but do not remember Root account MFA

pt, Cze 13, 2025 o 9:54 RANO

The procedure for logging into the account when AWS Root MFA is lost is as follows.  Email verification  Phone verification (enter the 6-digit number displayed on the web...
[Organization] Centralized Backup Management from Payer Account

pt, Cze 13, 2025 o 9:57 RANO

Question  Currently, the Organization is activated under the Payer account to provide services to multiple linked accounts. I want to centrally manage backups of multiple lin...
[EFS] Timeout Occurs When Deploying Application to AWS EFS

pt, Cze 13, 2025 o 9:59 RANO

Issue  The application team is performing deployment work to EFS as usual. However, during the application deployment, a write timeout occurs. Recently, there have been many m...
[IAM] How to Trigger Alarms When Creating or Deleting IAM Users

pt, Cze 13, 2025 o 10:05 RANO

Create SNS Topic  To trigger alarms for IAM User creation/deletion, you must create the topic in us-east-1 as well (because IAM is a global resource).  Keep encryption,...
Situation After entering the MFA code at initial login, even with continuous activity, the user must re-enter the code after about 30 to 60 minutes. You want to extend this period. Explanation In the AWS Management Console, you can swit

pt, Cze 13, 2025 o 10:08 RANO

Situation  After entering the MFA code at initial login, even with continuous activity, the user must re-enter the code after about 30 to 60 minutes. You want to extend this p...
[VPC] How to Register Routing Table for Using Overlay IP in Multi-Account Setup

pt, Cze 13, 2025 o 10:11 RANO

Situation  Account A owns the VPC, and Account B owns EC2 instances. You want to connect Account B’s EC2 instances to the VPC owned by Account A, but routing table changes a...