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Special Forums IP Networking Can I change my hostname without messing things up? Post 302958227 by Ultrix on Tuesday 20th of October 2015 10:28:49 AM
Old 10-20-2015
Can I change my hostname without messing things up?

I noticed my hostname is <my-full-name>s-macbook.local. I'm not sure exactly what information leaves the local network, and whether the hostname is included, but if it is, this would mean people on the Internet can look at my hostname and see who I am. Before anyone says that's not possible, there was a time when someone addressed me by my full name on YouTube, and that was when I was on an account that I had created through a GMail account that didn't have my real name on it, so they must have gotten my real name by looking at my hostname, or at least something similar to that.

So I would like to change my hostname, but I'm not sure if I can do this without messing things up on my local host. I'm afraid if I change things like my IP address or my hostname, I won't be able to use the Internet anymore. Can anyone explain to me how this works? I guess I basically have three questions: 1) Will changing my hostname affect my ability to log onto a network. 2) If so, why? 3) If so, what other information do I need to reconfigure so I can log onto a network again?

Additional information that may be relevant: I have no home network. I always use public WiFi networks.
 

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SSH-ARGV0(1)                                                BSD General Commands Manual                                               SSH-ARGV0(1)

NAME
ssh-argv0 -- replaces the old ssh command-name as hostname handling SYNOPSIS
hostname | user@hostname [-l login_name] [command] hostname | user@hostname [-afgknqstvxACNTX1246] [-b bind_address] [-c cipher_spec] [-e escape_char] [-i identity_file] [-l login_name] [-m mac_spec] [-o option] [-p port] [-F configfile] [-L port:host:hostport] [-R port:host:hostport] [-D port] [command] DESCRIPTION
ssh-argv0 replaces the old ssh command-name as hostname handling. If you link to this script with a hostname then executing the link is equivalent to having executed ssh with that hostname as an argument. All other arguments are passed to ssh and will be processed normally. OPTIONS
See ssh(1). FILES
See ssh(1). AUTHORS
OpenSSH is a derivative of the original and free ssh 1.2.12 release by Tatu Ylonen. Aaron Campbell, Bob Beck, Markus Friedl, Niels Provos, Theo de Raadt and Dug Song removed many bugs, re-added newer features and created OpenSSH. Markus Friedl contributed the support for SSH protocol versions 1.5 and 2.0. Jonathan Amery wrote this ssh-argv0 script and the associated documentation. SEE ALSO
ssh(1) Debian Project September 7, 2001 Debian Project
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