01-14-2007
Probably not. It will depend to some extent on how you resolve hostnames. If you resolve locally, or the DNS server has not been updated, then telnet will still work, even if the host name has changed.
I don't think you will have a problem though, unless the system does not complete a normal reboot. Even then (if you have a hang or crash) you will probably get away with it.
I presume you didn't down or detach any ethernet interfaces, so the change never went into effect and the next time the system boots it will re-read the original hostname, so all should be OK.
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LEARN ABOUT DEBIAN
avahi-resolve-address
avahi-resolve(1) General Commands Manual avahi-resolve(1)
NAME
avahi-resolve - Resolve one or more mDNS/DNS host name(s) to IP address(es) (and vice versa) using the Avahi daemon
SYNOPSIS
avahi-resolve --name host-name ...
avahi-resolve-host-name host-name ...
avahi-resolve --address address ...
avahi-resolve-address address ...
DESCRIPTION
Resolve one or more mDNS/DNS host name(s) to IP address(es) (and vice versa) using the Avahi daemon.
OPTIONS
When passing -n, specify one or more fully qualified mDNS/DNS host name(s) (e.g. "foo.local") to resolve into IP addresses on the command
line. When passing -a, specify one or more IP address to resolve into host names.
avahi-resolve-host-name is equivalent to avahi-resolve --name.
avahi-resolve-address is equivalent to avahi-resolve --address.
-n | --name
Translate one or more fully qualified host names into addresses.
-a | --address
Translate one or more addresses into fully qualified host names.
-v | --verbose
Enable verbose mode.
-6 When resolving a host name, look for IPv6 addresses exclusively.
-4 When resolving a host name, look for IPv4 addresses exclusively.
-h | --help
Show help.
-V | --version
Show version information.
AUTHORS
The Avahi Developers <avahi (at) lists (dot) freedesktop (dot) org>; Avahi is available from http://avahi.org/
SEE ALSO
avahi-publish-address(1), avahi-daemon(8)
COMMENTS
This man page was written using xml2man(1) by Oliver Kurth.
Manuals User avahi-resolve(1)