[root@dltasoam001jeguan ~]# vi /etc/resolv.conf
nameserver 135.111.105.157
nameserver 135.111.105.156
nameserver 135.111.105.155
nameserver 135.111.105.154
; generated by /usr/sbin/dhclient-script
search openstacklocal
nameserver 135.111.105.129
nameserver 135.111.105.130
[root@dltasoam001jeguan ~]# sed -i -e '/^;/,$d' /etc/resolv.conf
[root@dltasoam001jeguan ~]# cat /etc/resolv.conf
nameserver 135.111.105.157
nameserver 135.111.105.156
nameserver 135.111.105.155
nameserver 135.111.105.154