Thank you. Not the "lightweight" solution I was hoping for, using just the
hosts file and maybe dnsmasq. But this is certainly do-able, especially
with the helpful examples you've provided. If bind and dhcpd are what's
called for, that's what I'll do.
...after I spend a bit more time studying your examples and digesting the
info, that is!
On Wednesday, February 28, 2018 at 3:22:00 PM UTC-5, mwall wrote:
>
> robb,
>
> put two NICs on the computer that weewx runs on. lets call them thing1
> and thing2.
>
> thing1 should be the regular network configuration - it provides
> connectivity for the computer. it should be your LAN subnet, lets say
> 192.168.25.0/24. your router would be 192.168.25.1 and your computer
> would be something like 192.168.25.30, with subnet mask of 255.255.255.0
> and broadcast mask of 192.168.25.255.
>
> thing2 will be a private network that serves only the acurite device.
> give it its own subnet, lets say 192.168.100.0/24. so the computer will
> show up on that LAN as 192.168.100.1.
>
> configure dhcpd to run on the computer, but only serve the thing2
> interface. if you want, get the mac addr of the acurite device and make
> dhcp give it the same address every time.
>
> configure bind to run on the computer, but to only serve the thing2
> interface. in your bind configuration, make hubapi.myacurite.com map to
> 192.168.100.1.
>
> so what does look like? (i am using the traditional linux configurations,
> because i find them easier to express/manage than the networkmanager junk -
> nmcli and nmtui)
>
> this is NOT a recipe - do not just copy/paste!
>
> sudo apt-get install bind9 dhcpd
>
> /etc/network/interfaces should be something like this:
>
> auto lo
> iface lo inet loopback
> # thing1
> allow-hotplug eth0
> iface eth0 inet static
> address 192.168.25.30
> netmask 255.255.255.0
> network 192.168.25.255
> gateway 192.168.25.1
> # thing2
> allow-hotplug eth1
> iface eth1 inet static
> address 192.168.100.1
> netmask 255.255.255.0
> network 192.168.100.255
> gateway 192.168.100.1
>
> the bind configuration should be something like this in
> /etc/bind/named.conf.local:
>
> zone "hubapi.myacurite.com" {
> type master;
> file "/etc/bind/myacurite.com";
> };
>
>
> in the file /etc/bind/myacurite.com:
>
> $TTL 604800
> @ IN SOA dns.hubapi.myacurite.com. root.hubapi.myacurite.com. (
> 2016032001 ; Serial
> 604800 ; Refresh
> 86400 ; Retry
> 2419200 ; Expire
> 604800 ) ; Negative Cache TTL
> ;
> @ IN NS dns.hubapi.myacurite.com.
> @ IN A Y.Y.Y.Y
> * IN A Y.Y.Y.Y
> * IN AAAA ::1
>
>
> /etc/dhcp/dhcpd.conf should be something like this:
>
> subnet 192.168.100.0 netmask 255.255.255.0 {
> option routers 192.168.100.1;
> option subnet-mask 255.255.255.0;
> option domain-name-servers 192.168.100.1;
> range 192.168.100.100 192.168.100.254;
> default-lease-time 3600;
> max-lease-time 7200;
>
> # host hub {
> # hardware ethernet xx:xx:xx:xx:xx:xx;
> # fixed-address 192.168.100.10;
> # }
> }
>
>
>
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