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    • TiVo Conversion
      • Grabbing the Files
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    • 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
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      • Encrypting E-mail on Android; Importing Keys
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      • Passwords, Entropy, and Good Password Practices
      • Symmetric vs. Asymmetric Encryption
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      • TLS/SSL Certificate Issues and Solutions
    • True Crypt, Heartbleed, and Lessons Learned
    • Sensible Security: The Schneier Model
    • TrueCrypt and GnuPG: An Update
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    • LastPass Hacked: What Does This Mean?
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      • SSH Introduction
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      • SSH options, Port Forwarding over SSH, Keepalives
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    • NIST Quantum Cryptography Update 20221008
    • Passkeys
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    • Introduction to Linux
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      • 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?
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    • 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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LibreOffice Calc

  • LibreOffice 25 Calc What Is A Spreadsheet
  • LibreOffice 26 Calc Cells
  • LibreOffice 27 Calc – Calculations and the Formula Bar
  • LibreOffice 28 Calc – Fills, an Introduction
  • LibreOffice 29 Calc – Models and “What-If” Analysis
  • LibreOffice 30 Calc – A Savings Model
  • LibreOffice 31 Calc – Sheet Editing and Navigation
  • LibreOffice 32 Calc – Introduction to Charts and Graphs
  • LibreOffice 33 Calc – Creating Charts
  • LibreOffice 34 Calc – More on Chart Editing
  • LibreOffice 35 Calc – Introduction to Functions
  • LibreOffice 36 Calc – Financial Functions – Loan Payments
  • LibreOffice 37 Calc – More Financial Functions
  • LibreOffice 38 Calc – Simple Descriptive Statistics
  • LibreOffice 39 Calc – Inferential Statistics Functions
  • LibreOffice 40 Calc – Other Functions
  • LibreOffice 41 Calc – Data Manipulation 1: Sorting and AutoFilter
  • LibreOffice 42 Calc – Data Manipulation 2: Standard and Advanced Filters
  • LibreOffice 43 Calc – Creating Pivot Tables
  • LibreOffice 44 Calc – Working With Pivot Tables
  • LibreOffice 45 Calc – Styles and Templates Introduced
  • LibreOffice 46 Calc – The Object Model and Using Templates
  • LibreOffice 47 Calc – Page Styles and Page Settings
  • LibreOffice 48 Calc – Cell Styles
  • LibreOffice 49 Calc – Creating a Template with Styles
  • Free tutorials for teachers
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