bootstrap2 EC2 Metadata and User Data ▶ What is EC2 Metadata? - EC2 metadata is simply data about your EC2 instance. - This can include information such as private IP address, public IP address, hostname, security groups, etc. curl http://169.254.169.254/latest/meta-data/local-ipv4 [ec2-user@ip-172-31-95-207 ~]$ sudo su [root@ip-172-31-95-207 ec2-user]# curl http://169.254.169.254/latest/meta-data/local-ipv4 172.31.95.207 [root@ip-1.. 2023. 7. 28. Security Groups, Bootstrap Scripts ▶ Security Groups Security groups are virtual firewalls for your EC2 instance. By default, everything is blocked. ▶ Bootstrap Scripts A script that runs when the instance first runs. #!/bin/bash yum install httpd -y #installs apache yum service httpd start #starts apache Adding these tasks at boot time adds to the amount of time it takes to boot the instance. However, it allows you to automate t.. 2023. 7. 28. 이전 1 다음