How is checking if a name is already on the network *supposed* to work?
Asked by
Eliah Kagan
As documented in bug 738732, bug 760884, and now bug 828181, checking during installation if a computer name is already in use on the network seems badly broken. But how is it actually *supposed* to work? Is it supposed to warn if I make an Ubuntu system's computer name the same as the name I gave another machine? (Because it does not warn about that persistently--only in the way it warns about any name at all.) What network services are checked? Is it just DNS and/or mDNS/zeroconf? Or is it also supposed to check SMB/CIFS, NIS, AFS, and other protocols? How about SSDP and other UPnP protocols?
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