- All Exams Instant Download
Which of the following commands should be used in a bash script that needs a variable containing the IP address of the eth0 interface?
Which of the following commands should be used in a bash script that needs a variable containing the IP address of the eth0 interface?
The output for the command ifconfig eth0 is shown below:
eth0 Link encap:Ethernet HWaddr 00:0C:29:CB:FA:30
inet addr:192.168.246.11 Bcast:192.168.246.255 Mask:255.255.255.0 UP BROADCAST
RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4721 errors:0 dropped:0 overruns:0 frame:0 TX packets:3216 errors:0
dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000
RX bytes:445184 (434.7 Kb) TX bytes:512968 (500.9 Kb) Interrupt:185 Base address:0x1080
A . IP=LANG= ifconfig eth0 | awk ‘{ print $2 }’ | cut -f2
B . IP=`LANG= ifconfig eth0 | grep inet | cut -d: -f2 | awk { print $1 }`
C . IP=`LANG= ifconfig eth0 | awk ‘{ print $3 }’`
D . IP=$(LANG= ifconfig eth0 | grep inet | awk ‘{ print $2 }’ | cut -d: -f2)
E . IP=$(LANG= ifconfig eth0 | grep inet | cut -d: -f2)
Answer: D
Latest 201-450 Dumps Valid Version with 369 Q&As
Latest And Valid Q&A | Instant Download | Once Fail, Full Refund
no one seem work fine… the variable LANG have no sense
however…
the right grep is..
ifconfig eth0 | grep inet | awk ‘{ print $2 }’ | cut -d: -f2)
better should be.. ifconfig eth0 | grep ‘inet ‘ | awk ‘{ print $2 }’ #but less accademic