Challenge - 5 Problems
Live Monitoring Master
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Test your skills under time pressure!
💻 Command Output
intermediate1:30remaining
Understanding the default output of
topWhat does the first line of the
top command output typically show?Linux CLI
top -b -n 1Attempts:
2 left
💡 Hint
Look at the very top line of the
top output.✗ Incorrect
The first line of top shows system uptime, how many users are logged in, and the system load averages over 1, 5, and 15 minutes.
💻 Command Output
intermediate1:30remaining
Identifying process sorting in
htopBy default, how does
htop sort the list of processes when you open it?Linux CLI
htop
Attempts:
2 left
💡 Hint
Look at the column headers and which column is highlighted.
✗ Incorrect
htop sorts processes by CPU usage descending by default, showing the most CPU-intensive processes at the top.
❓ Configuration
advanced2:00remaining
Customizing
top to show only processes of a specific userWhich command will show
top output filtered to only display processes owned by user alice?Attempts:
2 left
💡 Hint
Check the
top manual for the option to filter by user.✗ Incorrect
The -u option in top filters processes by the specified username.
❓ Troubleshoot
advanced2:00remaining
Resolving
htop not showing colors correctlyIf
htop shows no colors and looks plain, which environment variable is most likely misconfigured?Attempts:
2 left
💡 Hint
This variable tells programs what kind of terminal you are using.
✗ Incorrect
The TERM environment variable defines terminal capabilities including color support. If it is set incorrectly, htop may not display colors.
✅ Best Practice
expert2:30remaining
Choosing the best tool for live system monitoring with process tree view
Which tool is best suited for live monitoring of system processes with an interactive tree view showing parent-child relationships?
Attempts:
2 left
💡 Hint
One tool provides an interactive interface and can show process trees.
✗ Incorrect
htop supports an interactive process tree view, making it ideal for visualizing parent-child process relationships live.