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Difference between revisions of "Ops535 get device name"

 
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#! /bin/bash
 
#! /bin/bash
 
# get all the NIC device name in the system
 
# get all the NIC device name in the system
dev_names=$(/sbin/ifconfig | grep HWaddr| awk '{print $1}')
+
dev_names=$(/sbin/ifconfig | grep HWaddr| awk -F: '{print $1}' | sort -u )
 +
 
 +
# for centos7 replace HWaddr with flags
 +
 
  
 
# set a loop to loop through each device name
 
# set a loop to loop through each device name
 
#
 
#
 
my_dev=
 
my_dev=
TARGET_IP=142.204.209
+
TARGET_IP=10.40
  
 
for d_name in ${dev_names}
 
for d_name in ${dev_names}

Latest revision as of 11:44, 11 September 2017

Sample script for locating the Network Device name that is connected to the Lab's network in TEL Buildinig.

#! /bin/bash
# get all the NIC device name in the system
dev_names=$(/sbin/ifconfig | grep HWaddr| awk -F: '{print $1}' | sort -u )

# for centos7 replace HWaddr with flags


# set a loop to loop through each device name
#
my_dev=
TARGET_IP=10.40

for d_name in ${dev_names}
do

echo "Checking device name $d_name ..."

status=$(/sbin/ifconfig $d_name|grep ${TARGET_IP})

if [ ! -z "$status" ]
then
        echo "$d_name contains the target IP $TARGET_IP"
        my_dev=$d_name
fi
done
echo "The target NIC device name should be $my_dev"