Detect if a certain device is on the network or not. This should work better then a regular ping when you want to check for example phones that go into deep sleep mode.
| # usage ./device-detect.sh 192.168.1.5 | |
| nmap -sn $1 | grep -q latency | |
| result=$? | |
| if [ "$result" -eq "1" ]; | |
| then | |
| echo "Device is offline" | |
| else | |
| echo "Device is online" | |
| fi |
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