Here is the way to change or modification ip address through command line. Do all the command in root privileged.
To set a static ip
#ip addr add 192.168.xxx.xxx dev eth0
to delete a static ip
#ip addr del 192.168.xxx.xxx dev eth0
to set dynamic ip
#dhclient eth0
to set route for static ip
#route add default gw xxx.xxx.xxx.xxx
to clear all ip setting
#ip addr flush dev eth0
Open dns is one of the free dns server in this planet. OpenDNS is a company and service that extends the Domain Name System (
I sign up in www.opendns.org in username xxxx@xxxxxxxxx and ********** password.
I use this site as a extra proxy to block certain material from office network.
This is what I set it up
1. in the server
change the nameserver in /etc/resolv.conf to
nameserver xxx.xxx.xxx.xxx
nameserver xxx.xxx.xxx.xxx
add the following line in /etc/squid/squid.conf
dns_nameservers xxx.xxx.xxx.xxx xxx.xxx.xxx.xxx
add the following line in /etc/dhcp3/dhcpd.conf
option domain-name-serversxxx.xxx.xxx.xxxxxx.xxx.xxx.xxx ;
I add above line for all dhcp client dns server.
but this is not enough. we need to set up client’s resolv.conf
change them exactly like resolv.conf of server