Run cp /etc/nginx/sites-available/learn.conf lab/learn.conf.copy.
cp /etc/nginx/sites-available/learn.conf lab/learn.conf.copy
Click any instruction for the command details, the why, and the common mistake to avoid.
Run cp /etc/nginx/sites-available/learn.conf lab/learn.conf.copy.
cp /etc/nginx/sites-available/learn.conf lab/learn.conf.copy
Run nano lab/learn.conf.copy.
nano lab/learn.conf.copy
Run diff /etc/nginx/sites-available/learn.conf lab/learn.conf.copy.
diff /etc/nginx/sites-available/learn.conf lab/learn.conf.copy
Create a free account to sync completed lessons, XP, streaks, course status, and your next lesson across sessions.
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Progress sync stores completion IDs, scores, streaks, badges, and game settings. Terminal contents, editor snippets, lab scratch, email, and real names are never published on leaderboards or share cards.
Copy config into lab before editing notes.
Run the commands in order and compare the outputs.
Junior operators build confidence by gathering evidence before changing systems.
nano <file>
Open a simulated nano editor.
diff <left> <right>
Compare two lab text files.
cp <src> <dst>
Copy a file.