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    • TiVo Conversion
      • Grabbing the Files
      • Decoding the Files
      • Editing the Files
  • Hacker Public Radio
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    • LibreOffice
      • LibreOffice Writer
      • LibreOffice Calc
      • LibreOffice Impress
    • Security and Privacy
      • Linux Under Attack
    • Health and Healthcare
    • HPR – Better Social Media
    • HPR – GIMP
  • Published
    • eBooks
      • eBook Software in Linux
      • Finding eBooks
    • The “top” command
    • Freedom is not Free
    • Who Owns Your Files
    • Google Play Music All Access
  • Security and Privacy
    • Why Do We Need Privacy, And Isn’t It A Waste Of Time Anyway?
    • Encryption and E-mail
      • Encryption Basics
      • Creating a Key Pair – Command Line
      • Creating a Key Pair – GUI Client
      • Encryption and E-mail with Thunderbird
      • Encryption and Gmail
      • Encrypting E-mail on Android; Importing Keys
    • Hashing, Passwords, and Certificates
      • Hashing and Password Security
      • Passwords, Entropy, and Good Password Practices
      • Symmetric vs. Asymmetric Encryption
      • Digital Signatures and Certificates
      • TLS/SSL Certificate Issues and Solutions
    • True Crypt, Heartbleed, and Lessons Learned
    • Sensible Security: The Schneier Model
    • TrueCrypt and GnuPG: An Update
    • TrueCrypt, Heartbleed, and Lessons Learned
    • LastPass Hacked: What Does This Mean?
    • SSH and Tunneling
      • SSH Introduction
      • Home ssh server
      • SSH Basics
      • SSH Authentication: Keys
      • SSH Authentication: Server and Agents
      • SSH options, Port Forwarding over SSH, Keepalives
      • SSH, Tunneling, and VPNs
      • SOCKS Proxy
    • Security Best Practices from SOUPS
    • NIST’s New Password Rules
    • Diffie-Hellman-Merkle Key Exchange
    • Diffie-Hellman and Forward Secrecy
    • TLS 1.3
    • NIST Cybersecurity Framework
    • Encryption and Quantum Computing
    • NotPetya and Maersk: An Object Lesson
    • News update on Firefox
    • NIST’s Quantum Cryptography Update 20200815
    • NIST Quantum Cryptography Update 20221008
    • Passkeys
  • Slide Shows
    • Introduction to Linux
    • Linux Directory Structure
    • The find and locate Commands
    • Installing Software in Linux
      • Installing Software in Linux, Part 1: Repositories
      • Installing Software in Linux, Part 2: Working With Packages
      • Installing Software in Linux, Part 3: Command Line and Compiling From Source
    • The Shell Game
      • The Shell Game, Part 1: What is a Shell?
      • The Shell Game, Part 2: What are the choices in shells?
      • The Shell Game, Part 3: Introduction to Bash
      • The Shell Game, Part 4: Bash Shortcuts
    • Hardware Discovery Commands
    • The ps Command
    • Installing Linux: Partitioning and File System Considerations
    • The ifconfig Command
    • Help, My Computer is Sluggish!
    • Passwords
    • Encryption Basics
    • SSL Certificates
    • Password Best Practices and the LastPass Hack
    • Diffie-Hellman-Merkle Key Exchange
    • Forward Secrecy
    • TLS 1.3
  • Better Social Media?
    • Pluspora
    • MeWe
    • Diaspora
    • Mastodon
    • The Fediverse
    • ActivityPub Conference 2019
      • Opening Keynote 9/7/19: “ActivityPub: past, present, future”
      • Is ActivityPub Paving The Way to Web 3.0?
      • The Semantic Social Network
      • Keep unwanted messages off the Fediverse
      • Decentralised Hashtag Search and Subscription in Federated Social Networks
      • OSS compliance with privacy by default and design
      • Advice to new Fediverse administrators and developers
      • The case for the unattributed message
      • Federated Blogging with WriteFreely
      • I don’t know what I’m talking about: a newbie’s introduction to ActivityPub
      • Architectures of Robust Openness
    • OcapPub
    • PixelFed
    • ActivityPub Conference 2020
      • ActivityPub 2020: Evan Prodromou
      • ActivityPub Conference 2020: Nilesh Trivedi
    • BookWyrm
    • Fediverse Update May, 2022
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