获取ip地址

ip=$((ip addr||ifconfig) |grep -v 255.0.0.0|grep -v 255.255.0.0|grep -v docker| sed -En 's/127.0.0.1//;s/.*inet (addr:)?(([0-9]*\.){3}[0-9]*).*/\2/p' |head -1)
network=$(echo $ip|sed  -r "s/([0-9]+\.[0-9]+\.[0-9]+)\..*$/\1.0\/24/g")

echo IP: $ip
echo NETWORK: $network