Wolfgang Karall writes:
> I'm trying to back up several notebooks in an environment where they are
> sometimes connected via wired LAN, sometimes via WLAN, both times with
> fixed IP addresses, no DHCP, different subnets for LAN and WLAN. I have
> a DNS server available (if that helps in my situation), and it's really
> no problem if the backup takes longer when using WLAN.
>
> Reading the docs $Conf{ClientNameAlias} doesn't seem to be the right
> route to go (correct me if I'm wrong), since that allows multiple
> backuppc-internal hosts for the same DNS hostname or address.
>
> I even tried to use round-robin DNS for the names I put into the hosts
> file (not the perfect solution, but I'm just trying to get it to work
> somehow atm), but that didn't work out, gethostbyname called via perl's
> -e switch did return alternating results for the IP address, but
> backuppc always tried to ping the same address (checked with tcpdump
> while trying to initiate a couple of backups from the web interface).
>
> Maybe I'm blind and it's dead easy to do, so could someone please give
> me a shove in the right direction?
It's not that easy when the host name changes.
The easiest way is use netbios names. That's built-in to WinXX and
can be support on linux usign nmbd from samba. So long as your
notebook responds to nmblookup multicasts with a name/ipaddress
that BackupPC recognizes, then it should work correctly for various
IP addressess.
By the way, I only use WLAN for my laptop backups using BackupPC/rsync.
It works very nicely.
Craig
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