NOTE: if you’re using something other than OSX, say, FreeBSD, then a previous blog post might be the solution you are looking for. I suggest skipping to the final paragraph before you implement any of what is below. You fire up your laptop, connect via WIFI, you get an IP address. You plug in an […]
Assigning static IP addresses via dhcp Read More »
Running dhcpd with dynamic DNS? Seeing messages like this? Dec 20 17:16:18 toiler dhcpd: Unable to add reverse map from 8.2.5.10.in-addr.arpa. to Apple-TV.example.org: not found But that IP address is static/fixed? If so, you can to add an option to that host. Make it look like this: # Apple-TV host Apple-TV { hardware ethernet 14:99:e2:0f:48:23;
dhcpd: Unable to add reverse map – not found Read More »
I don’t yet have IPv6 native at home. Perhaps Verizon FiOS will provide it soon. In the meantime, I make use of Hurricane Electric, which seems to be everyone’s go-to ISP for tunnels. This post isn’t about creating an IPv6 tunnel. It’s about making sure that tunnel is rebuilt after you have an IP address
Updating your IPv6 tunnel after an IP address change Read More »
If you see this: Dec 28 12:48:07 toiler dhcpd: Forward map from dent.unixathome.org to 10.55.0.60 FAILED: REFUSED Perhaps you forgot to unfreeze a domain. In my case: rndc unfreeze 1.8.10.in-addr.arpa. For more info, see this blog post on dynamic dns.
dhcpd: Forward map FAILED: REFUSED Read More »
I’m in the process of setting up a new gateway/firewall. The new hardware will be faster and have more space. At present, the old firewall is also providing DHCP and DNS services. I want to move those off the gateway and onto another server. Why? I want the gateway to run only services that are
Creating a FreeBSD jail to run DHCP and DNS Read More »
One of the challenges of providing hands-on demonstrations is giving everyone their own sandbox to play in. I don’t want people to spend time on installing software. I want people to learn about the software in question, specifically Bacula. With this in mind, I’ve been building up a solution based on FreeBSD 9.1, ZFS, and
The Bacula Tutorial jail server Read More »
I have a special HDD. It runs FreeBSD 9.1 and contains a bunch of tools that I use when setting up new servers. I hook it up to a new server when I’m working on it. Or I hook it up to a server which is in pain and fix it. I want it to
dhclient: sending a host identifier to the DHCP server Read More »
When my IP address at home changes, what do I need to do? I have servers out there on the Internet, which need to know the new IP address. I need to ssh to each of them and update: /etc/pf.conf – the IP address of my home gateway /etc/hosts /usr/local/etc/nrpe.conf restart stunnel It’s kind of
When my IP address changes… Read More »