shell获取linux系统参数方法总结

Mask

 ifconfig |grep inet| sed -n '1p'|awk '{print $4}'|awk -F ':' '{print $2}'

IP

ifconfig |grep inet| sed -n '1p'|awk '{print $2}'|awk -F ':' '{print $2}'

MAC

ifconfig |grep eth0|awk '{print $5}'

DNS

cat /etc/resolv.conf | awk '{print $2}'

GATEWAYE

route -n | grep UG | awk '{print $2}'