dhcp protocol

Q. I’m using GNU/Linux with the Internet Systems Consortium DHCP Client. dhclient, provides a means for configuring one or more network interfaces using the Dynamic Host Configuration Protocol. It also updates my /etc/resolv.conf each time my laptop connects to different network. I would like to keep my existing nameservers. How do I skip /etc/resolv.conf update?

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Q. In Windows XP / 2000 / Vista ipconfig /all command will show me DNS server and DHCP server ip address. But, how to know DHCP server address in Linux? A. The DHCP protocol allows a host to contact a central server which maintains a list of IP addresses which may be assigned on one […]

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I’m using Ubuntu Linux. How to force Linux to reacquire a new IP address from the DHCP server? What is the command in Linux equivalent to Windows’ “ipconfig /renew” command?

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