Dangerous Linux Commands Worth Knowing

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This week we’re sharing some of the most dangerous Linux commands ever created (and how to make sure they don’t cause issues with your system). We also share a popular Python project, and some time-reversal news from the tech world.

Resources

• The 10 Most Dangerous Linux Commands

• This Week’s Job Opportunities in Tech

• DataCamp Announces Black Friday Sale Pricing (DataCamp)

• How to Program a Python Hangman Game with a GUI

• How Using Spreadsheets Could Hurt Your Business (MSN)

• HTML 101: How to Make an Animated Business Card

• Superconductor Breaks Time-Reversal Symmetry Temperatures (PHYS)

The 10 Most Dangerous Linux Commands

These are seriously powerful. They can wipe out your data, crash your system, or lock you out. Each command is explained in detail along with its devastating effects. Viewer discretion is advised, as running these commands on your main system can have serious consequences.

Remember to experiment with these carefully on a virtual machine or isolated system to avoid damage.

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How to Code a Hangman Game with Python

Here’s a popular Python project. It’s a game we all played during childhood. And it's an exceptional way to show off some basic Python skills. But best yet, if you’re building a portfolio of coding projects, this one looks great because it has a GUI.

So how do you build it? Here’s a preview of the source code. You can get the full source code for free at Hackr.io.

import tkinter as tk
import random

class HangmanGame:
  def __init__(self, master):
      self.master = master
      self.master.title("Hangman Game")
      self.master.geometry("900x650")
      self.master.configure(bg='light blue')
      self.word_list = ["PYTHON", "JAVASCRIPT", "KOTLIN", "JAVA", "RUBY", "SWIFT"]
      self.secret_word = self.choose_secret_word()
      self.correct_guesses = set()
      self.incorrect_guesses = set()
      self.attempts_left = 7
      self.initialize_gui()

  def initialize_gui(self):
      button_bg = "#4a7a8c"
      button_fg = "white"
      button_font = ("Helvetica", 12, "bold")
      self.hangman_canvas = tk.Canvas(self.master, width=300, height=300, bg="white")
      self.hangman_canvas.pack(pady=20)
      self.word_display = tk.Label(self.master, text="_ " * len(self.secret_word), font=("Helvetica", 30), bg='light blue')
      self.word_display.pack(pady=(40, 20))
      self.reset_button = tk.Button(self.master, text="Reset Game", command=self.reset_game, width=20, height=2, bg=button_bg, fg=button_fg, font=button_font)
      self.reset_button.pack(pady=(10, 0))
      self.buttons_frame = tk.Frame(self.master)
      self.buttons_frame.pack(pady=20)
      self.setup_alphabet_buttons()
 
  def setup_alphabet_buttons(self):
      button_bg = "#4a7a8c"
      button_fg = "white"
      button_font = ("Helvetica", 12, "bold")

      alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
      upper_row = alphabet[:13]
      lower_row = alphabet[13:]
     
      upper_frame = tk.Frame(self.buttons_frame)
      upper_frame.pack()
      lower_frame = tk.Frame(self.buttons_frame)
      lower_frame.pack()

      for letter in upper_row:
          button = tk.Button(upper_frame, text=letter, command=lambda l=letter: self.guess_letter(l), width=4, height=2, bg=button_bg, fg=button_fg, font=button_font)
          button.pack(side="left", padx=2, pady=2)

      for letter in lower_row:
          button = tk.Button(lower_frame, text=letter, command=lambda l=letter: self.guess_letter(l), width=4, height=2, bg=button_bg, fg=button_fg, font=button_font)
          button.pack(side="left", padx=2, pady=2)

 # Visit hackr.io for the full, free source code

For the rest of the process, follow our step-by-step guide to building a hangman game with Python.

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The Matrix in a Linux Terminal?

Do you know the command to turn your Linux machine into a computer from The Matrix? The effect is pretty satisfying. And better yet, it’s super easy to do. Here’s what it looks like.

We covered this in detail in our article on the best-ever Linux easter eggs. These are sometimes hidden commands that allow your machine to do interesting (often funny) things.

Is this something you’ve tried? Is there another Linux easter egg you know about that we haven’t already covered? We’d love to hear about it. Please let us know when you respond to the survey below.

This Week’s Highlighted Community Comment

We’re now highlighting a few of our favorite community comments. Here’s one on our

And we’re happy to share the latest tech jobs for the community.

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We’re always looking out for useful tools for programmers, developers, designers, and project managers. Here’s one that caught our attention.

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