SK Enterprise Support for AWS

[EC2] How do I extend a Linux file system after increasing an EBS volume on an EC2 instance?

Thu, Tháng 6 12, 2025 lúc 4:29 CH

Snapshot Backup  Go to AWS Console > EC2 > Elastic Block Store > Volumes > Select Volume > Actions > Create Snapshot Volume Expansion  Go to AWS ...
[EC2] A large number of postdrop error messages occur in /var/log/messages and /var/log/maillog.

Thu, Tháng 6 12, 2025 lúc 4:32 CH

In an AWS EC2 Linux environment, if the log size in /var/log increases rapidly and the log contains "postdrop permission denied" messages, take the following actions....
[EC2] Port 25 for SMTP integration is not connected.

Thu, Tháng 6 12, 2025 lúc 4:38 CH

Issue  SMTP integration failed when configuring SMTP settings in software installed on an EC2 (Windows) instance, intended to use an SMTP server located in an IDC.  Cause...
[EC2] An alarm setting is required when a Security Group change operation occurs.

Thu, Tháng 6 12, 2025 lúc 4:42 CH

Situation  An alert is required to track any changes to Security Groups made by users other than the administrator.  Resolution  Create an SNS Topic  Configure SNS ...
[EC2] Rescheduling of AWS events

Thu, Tháng 6 12, 2025 lúc 5:04 CH

Events in AWS with a deadline date can be rescheduled. In the case of EC2, events can be rescheduled as follows: Go to the EC2 Console (https://console.aws.amazon.com/ec2/)...
[EC2] How to handle Windows activation failure

Thu, Tháng 6 12, 2025 lúc 5:14 CH

Issue Windows was activated but is now in a deactivated state.  Cause  Windows instances use Microsoft's KMS (Key Management System) provided by AWS for activa...
[EC2] Copying an Instance Encrypted with KMS to Another Account

Thu, Tháng 6 12, 2025 lúc 5:17 CH

Issue An EC2 and RDS instance encrypted with AWS KMS (Key Management Service) is running in Account A. How can these resources be moved to Account B?  Description  To transf...
[EC2] I created an instance using an Intel CPU, but the architecture information for the instance shows AMD64.

Thu, Tháng 6 12, 2025 lúc 5:19 CH

Symptom  An instance was created with a type that uses Intel CPU, but the Architecture information of the instance shows AMD64.  Cause  The reason 'AMD64' appears ...
[EC2] If I Delete the DB Application on an EC2 Created with SQL Server, Can I Get Reduced Charges as a Regular Server?

Thu, Tháng 6 12, 2025 lúc 5:21 CH

Question  I am using an EC2 created with Windows with SQL Server Standard, but I do not want to use MS-SQL. If I delete only the MS-SQL program on the EC2, can I get the charg...
[S3] S3 buckets created with All Deny cannot be deleted.

Thu, Tháng 6 12, 2025 lúc 5:24 CH

Symptom  An S3 bucket created with All Deny cannot be accessed or deleted.  Solution  To delete an S3 bucket with All Deny applied, you must delete the S3 bucket policy at...