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Oracle Linux: Understanding and Resolving "Failed Publickey" Errors in SSH on Oracle Linux (Doc ID 3064723.1)

Last updated on JANUARY 27, 2025

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Linux OS - Version Oracle Linux 7.0 and later
Linux x86-64
Linux ARM 64-bit

Goal

 This document explains why "Failed publickey" errors appear in SSH logs and how to resolve or suppress them while ensuring proper key-based authentication between nodes.

Solution

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In this Document
Goal
Solution
 1. Why "Failed Publickey" Occurs
 2. Suppressing "Failed Publickey" Errors
 3. Quick Diagnostic Commands
References

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