Linux command line to get IP address __linux

/sbin/ifconfig | Grep-a1 ' ^eth1 ' | grep ' inet addr: ' | Awk-f: ' {print $} ' | awk ' {print $} ' | Grep-e ' ^10\.| ^172\.| ^192\. ' | Head-n1

Analysis of each parameter

/sbin/ifconfig display information for all IP addresses

Grep-a1 ' ^eth1 ' filters out two lines that start with eht1

grep ' inet addr: ' In the information selected in the last step of the race, further races are selected to inet addr:

Awk-f: ' {print $} ' to: Print the second field for the split symbol, inet addr:10.12.193.226 bcast:10.12.193.255 mask:255.255.255.0, where the first field is inet add R: The second one is

10.12.193.226 Bcast

awk ' {print '} ' continues to filter further in the information from the previous step, where the default is to use a space as a separator, and to output the first field 10.12.193.226

Grep-e ' ^10\.| ^172\.|  ^192\. ' This is to filter the IP address that starts with 10, 172, 192, | This is or is meant to be,------------This parameter indicates that the regular expression

HEAD-N1 Output First line