My $PS1 \h is showing as “unknown”. Being set in .bash_profile [closed]

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My $PS1 in Bash is set to:

\[${BOLD}${MAGENTA}\]\u \[$WHITE\]at \[$ORANGE\]\h \[$WHITE\]in \[$GREEN\]\w\[$WHITE\]\$([[ -n \$(git branch 2> /dev/null) ]] && echo \" on \")\[$PURPLE\]\$(parse_git_branch)\[$WHITE\]

But is showing up like:

Jesse at unknown2837371d98a2 in ~

Why is my hostname (\h) showing up as unknown?

Answer 1

The problem is that you have such hostname. Please check it using hostname.