Shulou(Shulou.com)06/01 Report--

Use the ping command to detect which hosts are online in 192.168.0.0swap 16:

Online, expressed in green

Not online, indicated in red

The script is as follows:

Vim ping.sh

#! / bin/bash

#

For i in {0.255}; do

For j in {1... 254}; do

If ping-c 1-w 1 192.168.$i.$j & > / dev/null;then

Echo-e "\ 033 [32m192.168.$i.$j\ 033 [0m is up"

Else

Echo-e "\ 033 [31m192.168.$i.$j\ 033 [0m is down"

Fi

Done

Done

Grant executive authority

Chmod + x ping.sh

Execution result:

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