Oracle® Linux

Connecting to Remote Systems With OpenSSH

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Legal Notice and Copyright Information

F22963-04

June 2020

Abstract

Oracle® Linux: Connecting to Remote Systems With OpenSSH describes how to configure and use OpenSSH to securely connect to systems on the network.

Document generated on: 2020-06-08 (revision: 10129)

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Table of Contents

• Preface
• 1 About OpenSSH
• 2 About OpenSSH Configuration
  • 2.1 OpenSSH User Configuration Files
    • 2.1.1 User Configuration Files in ~/.ssh on the Client
    • 2.1.2 User Configuration Files in ~/.ssh on the Server
• 3 Installing and Configuring an OpenSSH Server and Client
  • 3.1 Installing and Configuring an OpenSSH Server
  • 3.2 Installing OpenSSH Client Packages
• 4 Administering OpenSSH
  • 4.1 Using OpenSSH Utilities
    • 4.1.1 Using the ssh Command to Connect to Another System
    • 4.1.2 Using the scp and sftp Commands to Copy Files Between Systems
    • 4.1.3 Generating Pairs of Authentication Keys by Using the ssh-keygen Command
    • 4.1.4 Enabling Remote System Access Without Requiring a Password
  • 4.2 Restricting Access to SSH Connections

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