Ububtu 13.04 Rename Computer

Posted by Sourabh on Ask Ubuntu See other posts from Ask Ubuntu or by Sourabh
Published on 2013-06-30T21:08:48Z Indexed on 2013/06/30 22:27 UTC
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13.04

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hosts

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sublime-text

How can I rename my computer? Renaming it in /etc/hosts and /etc/hostname does something weird. Before renaming it, I am able to open these files via sublime using

sudo subl /etc/hosts

but when I rename my Computer (using nano) and open any of these files using subl, I get this message:

No protocol specified

(sublime_text:20071): Gtk-WARNING **: cannot open display: :0.0

So I guess renaming in the above files is not the only thing I have to do.

PS: If I rename using sublime, after renaming one of the files, I get same message when I try to open other file

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