(For the Korean version, click here) Introduction: Why Services Stop Without Warning When operating AWS Lightsail or small cloud instances (with 1GB to 2GB of RAM), the most common issue you’ll face is the ‘DB going down due to out-of-memory’ errors. (Though I haven’t personally encountered this on AWS Lightsail yet!) When available memory is … 더 읽기
(For the Korean version, click here) Introduction: Why Use a Personal Account Instead of the Default? When you first create an AWS Lightsail or EC2 instance, you are typically provided with a default account like bitnami or ubuntu. However, to manage a server effectively or to leave a clear trail of your own administrative actions, … 더 읽기
(For the Korean version, click here) Introduction: Why Should We Manage Hostnames? When you first access a cloud instance like AWS Lightsail via terminal (SSH), you often see a prompt like bitnami@ip-172-26-xx-xx. This default setting uses an arbitrary internal IP as the hostname. While it works, there are several critical reasons why experienced engineers change … 더 읽기
(For the Korean version, click here) Introduction: Understanding Your Environment is Key When you first log in to a terminal (SSH) after creating an AWS Lightsail or cloud instance, what should be your first task? It’s accurately identifying the “System Environment” you are working in. Linux has various distributions like Ubuntu, CentOS, and Debian. Even … 더 읽기