Archive for the 'DHCP' Category

OpenBSD, dynamic and static IP address on the same interface

0 Comments Published by Felipe Alfaro Solana May 8th, 2009 in DHCP, OpenBSD

Today I was faced with the following problem: I was trying to configure one of the Ethernet interfaces of an OpenBSD 4.5 box with both a dynamic address leased via DHCP, but also a static IP address. Initially, I tried this:

# cat /etc/hostname.vr2
dhcp
inet 1.1.1.11 255.255.255.0 NONE
up
# sh /etc/netstart vr2

The problem with this approach is that [...]

Configuring a diskless Ubuntu

3 Comments Published by Felipe Alfaro Solana December 9th, 2007 in DHCP, NFS, PXE, TFTP, Ubuntu

This post is not about doing a PXE-based network installation of Ubuntu. There are already many posts describing how to do this. This post is about setting up an Ubuntu workstation in diskless mode, such as the workstation boots via PXE and the root filesystem is mounted over NFS.
The process consists on the following main [...]

Integrated DHCP and DNS services using OpenWRT

0 Comments Published by Felipe Alfaro Solana May 15th, 2006 in DHCP, DNS, OpenWRT

dnsmasq offers a lightweight, functional and integrated DHCP and DNS service. Using it on OpenWRT brings up and embedded, flexible DNS service, with a very small footprint, for small or home offices.
dnsmasq acts as a caching DNS server and DHCP server. It reserves a DNS domain, called the local DNS domain and usually being .lan, [...]