Linux CLI - Networking Commands
You want to write a script that pings a server once and checks if it is reachable. Which command correctly pings
192.168.1.1 once and returns success if reachable?You want to write a script that pings a server once and checks if it is reachable. Which command correctly pings 192.168.1.1 once and returns success if reachable?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Use correct ping syntax for one request
The-c 1option sends exactly one ping request in Linux.Step 2: Use logical AND to echo only if ping succeeds
The&&operator runs the echo command only if ping returns success (reachable).Step 3: Analyze other options
ping 192.168.1.1 -c 1 || echo 'Server reachable' uses||which runs echo on failure, not success. ping -n 1 192.168.1.1 && echo 'Server reachable' uses Windows syntax-n. ping -c 1 192.168.1.1; echo 'Server reachable' always echoes regardless of ping result.Final Answer:
ping -c 1 192.168.1.1 && echo 'Server reachable' -> Option DQuick Check:
Use -c 1 and && for success check [OK]
Quick Trick: Use '-c 1' and '&&' to confirm ping success [OK]
Common Mistakes:
- Using Windows ping options in Linux
- Using '||' instead of '&&' for success
- Echoing message regardless of ping result
Master "Networking Commands" in Linux CLI
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