Linux instance access issues

If you cannot access a Linux instance due to password, key pair, or port configuration issues, the following guide explains the procedures from diagnosing the cause to recovery.
Various recovery methods using the KakaoCloud console and OpenAPI are provided, allowing you to resolve the issue in a way that fits your environment.

📄️ Diagnosing SSH errors and troubleshooting

Learn how to identify and resolve SSH access issues for Linux servers.

📄️ Recover access when password authentication fails

Explains how to recover access by creating a new instance using OpenAPI and user_data when the password for an SSH account is lost.

📄️ Restore SSH access after port change

This guide explains how to recover from a situation where SSH access becomes unavailable after changing the SSH port, using OpenAPI and user scripts.

📄️ Recover instance by checking root volume

SSH 접속 불가 문제를 OpenAPI를 활용해 루트 볼륨 점검과 신규 인스턴스 복구로 해결하는 방법을 설명합니다.

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