42 Trolls

Never leave your computer unlocked again. 😈

Welcome to 42 Trolls! Here’s the ultimate guide to prank your friends at 42 School.

We’ve organized the pranks into four categories:

• 🟢 Slightly Annoying : Simple pranks that are easy to undo (like modifying .zshrc)
• 🟡 Moderately Annoying : A step up! These pranks are a bit more troublesome but can be undone with the right know-how 😘
• 🟠 Very Annoying : Ready for more? These pranks involve taking control of hardware features… like sound, graphics, and storage!
• 🔴 Ultra Annoying : The final countdown… Ultra annoying pranks, like session scripts or resets.

🟢 Slightly Annoying

Simple pranks that are easy to undo (like modifying .zshrc)

🔒 Lock your friend's screen

Lock the screen of the person you’re pranking.

ft_lock

🎬 Lowcost Matrix

Always wanted to be an actor in The Matrix? Create a Matrix effect, but without the budget to hire developers.

echo 'cat /dev/urandom' >> ~/.zshrc

🧹 How to remove ?

Use this command :

sed -i '' "s/cat \/dev\/urandom//g" ~/.zshrc

Or remove the line at end of the .zshrc file.

🐱 Tac or Cat ?

Replace the cat command with rev, which prints the file in reverse.

echo 'alias cat="rev"' >> ~/.zshrc

🧹 How to remove ?

Use this command :

sed -i '' "s/alias cat=\"rev\"//g" ~/.zshrc

Or remove the line at end of the .zshrc file.

📖 Where is the fucking manual ?

Replace the man command with a message saying No manual entry for {command}.

echo 'man() { echo "No manual entry for $1"; }' >> ~/.zshrc

🧹 How to remove ?

Use this command :

sed -i '' "s/man() { echo \"No manual entry for $1\"; }//g" ~/.zshrc

Or remove the line at end of the .zshrc file.

🥸 Hieroglyph Title Bar

Replace the font in the title bar of some apps with a symbol font, but with a really big size...

gsettings set org.gnome.desktop.wm.preferences titlebar-uses-system-font false
gsettings set org.gnome.desktop.wm.preferences titlebar-font 'wasy10 256'

🧹 How to remove ?

Use this command :

gsettings set org.gnome.desktop.wm.preferences titlebar-uses-system-font true

🖱️ Cursor Finder

This command make the cursor at size of 256px.

Note

Some cursor are not avaible at a size of 256px. In this case, Gnome will take the larger.

gsettings set org.gnome.desktop.interface cursor-size 256

🧹 How to remove ?

Use this command :

gsettings set org.gnome.desktop.interface cursor-size 24

❌ XXX ?

Update the buttons of the title bar with 3 close buttons

gsettings set org.gnome.desktop.wm.preferences button-layout ':close,close,close'

🧹 How to remove ?

Use this command :

gsettings set org.gnome.desktop.wm.preferences button-layout ':minimize,maximize,close'

🙅 Useless window

Remove all the buttons of the title bar

gsettings set org.gnome.desktop.wm.preferences button-layout ':'

🧹 How to remove ?

Use this command :

gsettings set org.gnome.desktop.wm.preferences button-layout ':minimize,maximize,close'

🟡 Moderately Annoying

A bit more annoying, but still easy to remove.

📺 AdSh - Ads in your shell

Tired of an ad-free terminal? Now you can add ads to pop up when you type commands in your terminal.

curl https://raw.githubusercontent.com/godetremy/42-trolls/refs/heads/main/adsh/install.sh | bash

🧹 How to remove ?

Use this command :

curl https://raw.githubusercontent.com/godetremy/42-trolls/refs/heads/main/adsh/uninstall.sh | bash

Or remove the line at end of the .zshrc file, then delete the folder .adsh in your home.

🪄 Want to contribute ?

You can add your own ads in the adsh/video folder, but remember:

• Max video size: 2MB: This will make downloads faster, which is crucial for pranking.
• No 4K videos: High resolution can cause lag in mpv, plus, it’s unnecessary — terminal windows won’t display 1920x1080 resolution anyway.

Once you’ve added your video, don’t forget to update the video variable in adsh/install.sh and adsh/adsh.sh

🍎 FallingKey

A feeling like Isac Newton, when you type letter are falling from the top of your screen.

curl https://raw.githubusercontent.com/godetremy/42-trolls/refs/heads/main/fallingkey/run.sh | bash

🧹 How to remove ?

The easy way is to logout, but if you don't want to do this you can find ft_keyboard in the sytem monitor.

🟠 Very Annoying

Time to take control of hardware capabilities… like sound, graphics, and storage.

🕺 Rickrolled

Set the volume to 75%, and play Never Gonna Give You Up by Rick Astley in VLC fullscreen.

pactl set-sink-mute @DEFAULT_SINK@ false && pactl set-sink-volume @DEFAULT_SINK@ 75% && cvlc https://dn720407.ca.archive.org/0/items/rick-roll/Rick%20Roll.ia.mp4 -f --no-video-title-show --mouse-hide-timeout 0

🔑 NoLock

Replace the lock button. Now when you lock, Mario say "Non".

curl https://raw.githubusercontent.com/godetremy/42-trolls/refs/heads/main/nolock/install.sh | bash

🧹 How to remove ?

Use this command :

curl https://raw.githubusercontent.com/godetremy/42-trolls/refs/heads/main/nolock/uninstall.sh | bash

🎲 Random Mouse

The default configuration of mouse is so boring... Why not randomize all the button of your mouse every 2s ?

while true; do
	xmodmap -e "$(echo "pointer = $(shuf -e 1 2 3 | paste -sd " ")")"
	sleep 2
done & disown

🧹 How to remove ?

The simplest method is to disconnect, but we wish you good luck finding the right button... 😘

Then you can use this command to reset the original mapping.

	xmodmap -e "pointer = 1 2 3"

🔴 Ultra Annoying

The final (countdown?) — ultra annoying pranks, like session scripts or resets. Only use these if your friend is really your enemy. 😈

💾 420T

Because 5GB is too small, experience the 420T session.

echo '/usr/bin/zenity --error --title="bocal" --text="Your home is full! (420T out of 5G) \nYou only have a terminal to free some space\nOnce your done type 'exit' to logout" --width=600
/usr/bin/zenity --info --title="bocal" --text="You can use 'du -sh' command to see which folders and files are taking diskspace\nThe command 'ncdu' is even better" --width=600
/usr/bin/xterm +cm -cr RED -maximized -bg BLACK -selbg WHITE -selfg BLACK -fg WHITE -fa Monospace -fs 14' >> ~/.profile

🗑️ Files? What files?

Delete all files in the session — this will reset the session completely.

Caution

This action cannot be undone. This is more than just a troll. All files in the session will be deleted. Make sure you have your friend’s permission before using this.

touch ~/.reset