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Quickly remove the conflicting line (key) from current users known_hosts file when there is an SSH host conflict. Very nice when you get tired of writing out full commands. Ideally you would place this into your .bash_profile
Usage: rhost [n]
Example: rhost 33 (removes line 33 from ~/.ssh/known_hosts)
Function assumes the $HOME exists, you could alternatively use "~/.ssh/known_hosts"
Mac OSX likes a space for sed -i "$1" d
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