nameservers HowTo - Linux / Unix Q & A from nixCraft

How To: Make Sure /etc/resolv.conf Never Get Updated By DHCP Client

in BASH Shell, CentOS, Debian / Ubuntu, Fedora Linux, FreeBSD, Linux, Networking, RedHat and Friends, Ubuntu Linux last updated April 22, 2014

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?

How Do I Update The Root Hints Data File for BIND Named Server?

in Bind dns, CentOS, Debian / Ubuntu, FreeBSD, Linux, Networking, Solaris-Unix, Suse, Troubleshooting, Ubuntu Linux, UNIX last updated July 1, 2008

My local nameserver root zone file is outdated. It has no information about IPv6 and recently changed root server IP address. How do I update my root hints data file under Debian and Red Hat Bind 9 server?