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110.3 Securing data with encryption
Topic 105: Shells and Shell Scripting
105.1 Customize and use the shell environment
  • 105.1 Lesson 1
  • 105.1 Lesson 2
  • 105.1 Lesson 3
105.2 Customize or write simple scripts
  • 105.2 Lesson 1
  • 105.2 Lesson 2
Topic 106: User Interfaces and Desktops
106.1 Install and configure X11
  • 106.1 Lesson 1
106.2 Graphical Desktops
  • 106.2 Lesson 1
106.3 Accessibility
  • 106.3 Lesson 1
Topic 107: Administrative Tasks
107.1 Manage user and group accounts and related system files
  • 107.1 Lesson 1
  • 107.1 Lesson 2
107.2 Automate system administration tasks by scheduling jobs
  • 107.2 Lesson 1
  • 107.2 Lesson 2
107.3 Localisation and internationalisation
  • 107.3 Lesson 1
Topic 108: Essential System Services
108.1 Maintain system time
  • 108.1 Lesson 1
  • 108.1 Lesson 2
108.2 System logging
  • 108.2 Lesson 1
  • 108.2 Lesson 2
108.3 Mail Transfer Agent (MTA) basics
  • 108.3 Lesson 1
108.4 Manage printers and printing
  • 108.4 Lesson 1
Topic 109: Networking Fundamentals
109.1 Fundamentals of internet protocols
  • 109.1 Lesson 1
  • 109.1 Lesson 2
109.2 Persistent network configuration
  • 109.2 Lesson 1
  • 109.2 Lesson 2
109.3 Basic network troubleshooting
  • 109.3 Lesson 1
  • 109.3 Lesson 2
109.4 Configure client side DNS
  • 109.4 Lesson 1
Topic 110: Security
110.1 Perform security administration tasks
  • 110.1 Lesson 1
110.2 Setup host security
  • 110.2 Lesson 1
110.3 Securing data with encryption
  • 110.3 Lesson 1
  • 110.3 Lesson 2
  1. Topic 110: Security
  2. 110.3 Securing data with encryption

110.3 Securing data with encryption

Reference to LPI objectives

LPIC-1 version 5.0, Exam 102, Objective 110.3

Weight

4

Key knowledge areas
  • Perform basic OpenSSH 2 client configuration and usage.

  • Understand the role of OpenSSH 2 server host keys.

  • Perform basic GnuPG configuration, usage and revocation.

  • Use GPG to encrypt, decrypt, sign and verify files.

  • Understand SSH port tunnels (including X11 tunnels).

Partial list of the used files, terms and utilities
  • ssh

  • ssh-keygen

  • ssh-agent

  • ssh-add

  • ~/.ssh/id_rsa and id_rsa.pub

  • ~/.ssh/id_dsa and id_dsa.pub

  • ~/.ssh/id_ecdsa and id_ecdsa.pub

  • ~/.ssh/id_ed25519 and id_ed25519.pub

  • /etc/ssh/ssh_host_rsa_key and ssh_host_rsa_key.pub

  • /etc/ssh/ssh_host_dsa_key and ssh_host_dsa_key.pub

  • /etc/ssh/ssh_host_ecdsa_key and ssh_host_ecdsa_key.pub

  • /etc/ssh/ssh_host_ed25519_key and ssh_host_ed25519_key.pub

  • ~/.ssh/authorized_keys

  • ssh_known_hosts

  • gpg

  • gpg-agent

  • ~/.gnupg/

© 2020 Linux Professional Insitute Inc. All rights reserved. Visit the Learning Materials website: https://learning.lpi.org
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The following lessons are available for this objective:

  • 110.3 Lesson 1
  • 110.3 Lesson 2

Next Lesson

110.3 Lesson 1

Proceed to first lesson

© 2020 Linux Professional Insitute Inc. All rights reserved. Visit the Learning Materials website: https://learning.lpi.org
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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