My terminal prompt on OS X 10.8.3 suddenly is not the machine or hostname anymore but something like:
minint-j4lfb2s:~
Where does that come from? I did not change it. How can that be?
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What does your `sudo nano /private/etc/hosts` says? – mirkobrankovic May 30 '13 at 13:24
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Never touched that. It has the default entries I guess - (127.0.0.1 localhost, 255.255.255.255 broadcast, ::1 localhost, fe80::1%lo0 localhost) – Joe D May 30 '13 at 13:39
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Figured out now, that it always happens when I am sitting in the office (of my new client). Is that a nt-domain thing? Is that normal? Back home everthing is fine again. – Joe D Jun 05 '13 at 07:47
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I've seen this happen on a few macs (including my own once), where the mac's "Computer Name"/"Local Hostname" gets corrupted.
Check System Preferences -> Sharing, and seem what the "Computer Name" text box. Then check the text under that to see if the "Local Hostname" is correct; if not, click the "Edit..." button to it's right.
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"Computer name" and hostname - both present and correct. Hostname equals computer name plus ".local". – Joe D May 30 '13 at 13:42
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The hostname can also be determined by a reverse DNS lookup (see this thread).
You can set a static hostname with sudo scutil --set HostName newname. It adds or changes the System:System:Hostname key in /Library/Preferences/SystemConfiguration/preferences.plist. Another way is to add HOSTNAME=newname to /etc/hostconfig.
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I am sure there are ways to set a hostname. Right now I am just scared and wonder how it happend. And where this cryptic name comes from - where is it defined. E.g. the key in the preferences.plist you mention is correct - it shows the same as in the System preferences. – Joe D May 30 '13 at 19:49
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I have had the same issue today. What was the reason in your case? I am also freaked out a little, since I am afraid someone might have obtained an access to my mac – Ahmadov Nov 10 '17 at 14:18