requirement As a security requirement, physical servers should not be shared with other companies. Furthermore, even if they belong to the same AWS root accou...
What is AutoScaling (EC2)? Reference Site AWS Auto Scaling What is Amazon EC2 Auto Scaling? Why use ELB and Auto Scaling? ELB and AutoScaling with EC2 insta...
What is Amazon_SQS? SQS Overview Amazon SQS is used for system isolation. It stores requests to process video handled by worker processes, allowing for reliabl...
EC2 Redundancy (Using Floating IP) When ELB or Route53 is configured on an EC2 instance, when a failure occurs on a particular EC2 instance, the system switche...
-e If an error (non-zero exit code) occurs in a series of shell script operations, exit there and return an error. RESULT=｀bash -e example.sh｀ if then ～処理～ fi ...
