These machines are portable. they will likely start out on a lan where I control the dhcp server; the os apps and config are setup, then they are moved to another room. They live there for a few days to a week, and then are put back in storage, with a few being left out for R&D to experiment with.
There isn't always a dhcp server on the network. Sometimes there isn't even a network with the exception of a single run of cat 5 between 2 machines. This is what is going on: https://debconf-video-team.pages.debian.net/docs/room_setup.html#room-setup Sometimes there isn't a link to "DHCP – Gigabit feed out" (thus there is no live stream, just recording to local disk) This is what I want the static IP for: The "Opsis PC" has a systemd script that connects to "Voctomix PC" The script uses a hostname, the hostname is set in /etc/hosts If there is a network with dhcp, then it will be nice to get the gateway and be able to ssh into machines. On Sun, Jun 27, 2021 at 12:03 AM Dominik <[email protected]> wrote: > Hey Carl, > > On Sat, 2021-06-26 at 19:16 -0500, Carl Karsten wrote: > > I'm looking for advice on haveing some boxes to have both dynamic and > > static IPs. > > Why use a static IP at all? We have often enough seen people use static > addresses for the wrong reasons. > > Consider using only DHCP and > > (a) use a hostname to access the device. In the end, memorizing some- > service.lan is more reliable than 192.168.1.149. You may think > differently, but let's see what you say after not having logged into > the box for half a year - do you still know the address without looking > it up? However, you may still recall a good hostname. > > (b) use a deterministic DHCP server like dnsmasq. It always tries to > assign the same IP addresses to the same devices (instead of numbering > them sequentially based on their appearance like cheap routers often > do). > > Using (a), (b) or (a)+(b) doesn't require you to have a static IP at > all. > > Best, > Dominik > > -- Carl K
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