2Shirt
c3ebdee5d0
* If $IP was empty then HOSTNAME would remain set to the current HOSTNAME * This allowed the redundant set-hostname call
23 lines
520 B
Bash
Executable file
23 lines
520 B
Bash
Executable file
#!/bin/env bash
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#
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## Setup network and update hostname
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# Add saved networks to NetworkManager
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sudo setup-wifi
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sudo systemctl restart NetworkManager
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# Set hostname
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IP="$(ip a show scope global \
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| grep inet \
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| head -1 \
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| sed -r 's#.*inet ([0-9]+.[0-9]+.[0-9]+.[0-9]+.)/.*#\1#')"
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if [[ "${IP:+x}" ]]; then
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NEW_HOSTNAME="$(dig +noall +answer +short -x "$IP" \
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| grep -v ';' \
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| head -1 \
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| sed 's/\.$//')"
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fi
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if [[ "${NEW_HOSTNAME:+x}" ]]; then
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sudo hostnamectl set-hostname "${NEW_HOSTNAME}"
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fi
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