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  1. Run a Security Audit of Exposed Ports and Services Using Nmap
  2. 5 Non-Technical Tips for the Linux Beginner
  3. Create and View Linux Cheat Sheets from the Command Line
  4. Linux uniq Command Usage and How It Differs from Sort -u
  5. Guess Access / Kiosk Mode on a Linux System
  6. Working with the Directory Stack - An In-Depth Look at Pushd, Popd and Dirs
  7. Using systemd Path Units to Monitor Files and Trigger Actions on Changes
  8. Beginners Guide to Command Substitution in Bash (And the Backslash Mystery)
  9. wc Command - Count Output by Lines, Words or Characters
  10. Photopea - A Web Based Photoshop Alternative for Linux
  11. 3 Privacy & Security Focused Operating Systems to Try in 2020
  12. How to Configure SSH Port Forwarding / SSH Tunneling
  13. GPaste Review - The Best Clipboard Manager for Gnome
  14. Prime Numbers, Factorization, Cryptography and the Linux Factor Command
  15. Linux du Command - Disk Usage NOT File Size
  16. Logname - Sometimes Less is More
  17. Using the Fold Command to Wrap Text at X Number of Columns or Characters
  18. An Introduction to DNF History and How to Rollback Updates
  19. Run Internet Speed Tests from the Command Line
  20. An Introduction to /dev/null A.K.A. The Bit Bucket
  21. 4 Methods to Find Which Process is Listening on a Specific Port
  22. Stat Command - Display File Attributes on the Linux Command Line
  23. Cluster SSH - Manage Multiple Linux Servers Simultaneously
  24. DHCP + PING = DHCPING - Testing DHCP Server Availability
  25. Display, Format & Set the Date on Linux Command Line
  26. Ping - Basic Network Troubleshooting in Linux
  27. How to Find your DHCP Server IP Address
  28. Traceroute - Troubleshooting Network Connections in Linux
  29. Linux Screen Command - Beginners Guide to Terminal Multiplexing
  30. Exec - Process Replacement and Redirection in Bash
  31. The Linux Find Command - Everything You Need to Know
  32. Using a Checksum for File Integrity Checks on Linux
  33. Using the timeout Command to Exit a Command After Specified Time Limit
  34. Using Bash Case Builtin for Complex Conditional Statements
  35. Linux Paste Command - Sequential Merging of Multiple Files
  36. The Linux df Command - Checking Disk Space Utilization
  37. Bash Lists of Commands - Using Control Operators
  38. Introduction to FirewallD Basics
  39. How to Configure Host Specific SSH Settings
  40. An In-Depth look at the Read Bash Builtin
  41. Using the Hash Command to Manipulate the Bash Command Hash Table
  42. The Linux Rename Command(s) Demystified
  43. How to Tail Multiple Files
  44. How to Create a Custom Login Banner or MOTD in Linux
  45. Linux Tail Command - Everything You Need to Know (Videos)
  46. The at Utility Suite, Deeper than your Thought
  47. Using Lock Files in Bash Scripts for Job Control
  48. How to Find and Delete Empty Files and Directories on Linux Command Line
  49. Safely Creating Temporary Files and Directories for Shell Scripting
  50. 4 Ways to Get your Systems IP Address from the Linux Command Line
  51. 3 Ways to Create an Encrypted Archive
  52. How to Mitigate ICMP Timestamp Vulnerabilities in Linux
  53. How to Generate a Random Number in Linux
  54. Hard Links vs Soft (Symbolic) Links in Linux and How to Create Them
  55. 5 Command Line Tools to Break Your Dependence on the GUI
  56. The Linux rev Command with 3 Practical Examples
  57. Using systemd Timer Units to Schedule Jobs and Their Benefits over Cron
  58. Get the Execution Time of a Shell Script
  59. Yes,it isn't completely useless. All about the Linux yes Command.
  60. Print the Time a Command took to Execute in Linux
  61. An interesting look at the Linux tr Command
  62. Creating a Password Policy in Linux
  63. How to Delete a User and Avoiding Residual Security Implications of Doing So
  64. How to Kick a User Off of a Linux System
  65. Linux tee Command Usage and Examples
  66. How to Use the PATH Environmental Variable
  67. 3 Ways to Mount a Windows Share in Linux
  68. Using Trap to Exit Bash Scripts Cleanly
  69. Using the Linux column command
  70. A Complete Guide to Using the tar Command with Examples
  71. Using the NL (Number Lines) Command Line Utility
  72. A Definitive Guide to Securing the SSH Daemon
  73. Top 5 Bash Tips and Tricks for Beginners
  74. 5 Methods to Generate a Random Password on the Command Line
  75. Basic dig Command Usage and Detailed Explanation of its Output.
  76. Using a Linux Command Line Dictionary
  77. How to make a countdown timer in bash.
  78. Introduction to Linux I/O, Standard Streams and Redirection.
  79. How to Password Protect and Encrypt a File on Linux Command Line
  80. How to Disable Tracker Processes and Reclaim Your Resources
  81. How to find your public IP address from the Linux command line